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order_n to_o our_o present_a design_n be_v the_o difference_n in_o weight_n betwixt_o water_n and_o quicksilver_n and_o though_o this_o have_v be_v define_v already_o by_o the_o illustrious_a verulam_n and_o some_o other_o inquisitive_a person_n that_o have_v compare_v the_o weight_n of_o several_a body_n and_o cast_v their_o observation_n into_o table_n yet_o we_o shall_v not_o scruple_n to_o annex_v our_o own_o trial_n about_o it_o partly_o because_o we_o find_v author_n considerable_o to_o disagree_v partly_o because_o we_o use_v exacter_n scales_n and_o a_o somewhat_o more_o wary_a method_n than_o other_o seem_v to_o have_v do_v and_o partly_o also_o because_o have_v prosecute_v our_o inquiry_n by_o two_o or_o three_o several_a way_n the_o small_a difference_n between_o the_o event_n may_v assure_v we_o that_o we_o be_v not_o much_o mistake_v we_o take_v then_o a_o glass_n pipe_n of_o the_o form_n of_o a_o invert_v siphon_n who_o shape_n be_v delineate_v in_o the_o sixteen_o figure_n and_o pour_v into_o it_o a_o quantity_n of_o quicksilver_n we_o hold_v it_o so_o that_o the_o superficies_n of_o the_o liquor_n both_o in_o the_o long_o and_o short_a leg_n lay_v in_o a_o horizontal_a line_n denote_v in_o the_o scheme_n by_o the_o prick_v line_n e_o f_o then_o pour_v water_n into_o the_o long_a leg_n of_o the_o siphon_n till_o that_o be_v almost_o fill_v we_o observe_v the_o surface_n of_o the_o quicksilver_n in_o that_o leg_n to_o be_v by_o the_o weight_n of_o the_o water_n depress_v as_o from_o e_z to_z b_o and_o in_o the_o short_a leg_n to_o be_v as_o much_o impel_v upward_o as_o from_o f_o to_o c_o whereupon_o have_v former_o stick_v mark_n as_o well_o at_o the_o point_n b_o as_o at_o the_o opposite_a point_n d_o we_o measure_v both_o the_o distance_n d_o c_o to_n have_v the_o height_n of_o the_o cylinder_n of_o quicksilver_n which_o be_v raise_v above_o the_o point_n d_o level_n with_o the_o surface_n of_o the_o quicksilver_n in_o the_o other_o leg_n by_o the_o weight_n of_o the_o water_n and_o the_o distance_n b_o a_o which_o give_v we_o the_o height_n of_o the_o cylinder_n of_o water_n so_o that_o the_o distance_n d_o c_o amount_v to_o 2_o 13\54_n inches_n and_o the_o height_n of_o the_o water_n amount_v 30_o 45\54_n inch_n and_o the_o whole_a number_n on_o both_o side_n which_o the_o annex_v fraction_n be_v reduce_v to_o improper_a fraction_n of_o the_o same_o denomination_n the_o proportion_n appear_v to_o be_v the_o denominator_n be_v leave_v out_o as_o equal_v on_o both_o side_n as_o 121_o to_o 1665_o or_o by_o reduction_n as_o one_o to_o 92_o 121._o beside_o this_o unusual_a way_n of_o determine_v the_o gravity_n of_o some_o thing_n we_o measure_v the_o proportion_n betwixt_o quicksilver_n and_o water_n by_o the_o help_n of_o so_o exact_a a_o balance_n as_o lose_v its_o aequilibrium_fw-la by_o the_o hundred_o part_n of_o a_o grain_n but_o because_o there_o be_v wont_a to_o be_v commit_v a_o oversight_n in_o weigh_v quicksilver_n and_o water_n especial_o if_o the_o orifice_n of_o the_o vessel_n wherein_o they_o be_v put_v be_v any_o thing_n wide_a in_o regard_n that_o man_n heed_v not_o that_o the_o surface_n of_o water_n in_o vessel_n will_v be_v concave_a but_o that_o of_o quicksilver_n notable_o convex_a or_o protuberant_a to_o avoid_v this_o usual_a oversight_n i_o say_v we_o make_v use_v of_o a_o glass_n bubble_n blow_v very_o thin_a at_o the_o flame_n of_o a_o lamp_n that_o it_o may_v not_o be_v too_o heavy_a for_o the_o balance_n and_o terminate_n in_o a_o very_a slender_a neck_n wherein_o the_o concavity_n or_o convexity_n of_o a_o liquor_n can_v not_o be_v considerable_a this_o glass_n weigh_v 23½_n grain_n we_o fill_v almost_o with_o quicksilver_n and_o fasten_v a_o mark_n over_o against_o the_o middle_n of_o the_o protuberant_a superficies_n as_o near_o as_o our_o eye_n can_v judge_v we_o find_v that_o the_o quicksilver_n alone_o weigh_v 299_o 7_o 12_o grain_n then_o the_o quicksilver_n be_v pour_v out_o and_o the_o same_o glass_n be_v fill_v as_o full_a of_o common_a water_n we_o find_v the_o liquor_n to_o weigh_v 21⅞_n grain_n whereby_o it_o appear_v the_o weight_n of_o water_n to_o quicksilver_n be_v as_o one_o to_o 13_o 19_o 28_o though_o our_o illustrious_a verulam_n questionless_a not_o for_o want_v of_o judgement_n or_o care_n but_o of_o exact_a instrument_n make_v the_o proportion_n betwixt_o those_o two_o liquor_n to_o be_v great_a than_o of_o 1_o to_o 17._o and_o to_o add_v that_o upon_o the_o bye_n since_o quicksilver_n and_o well_o rectify_v spirit_n of_o wine_n be_v how_o just_o i_o say_v not_o account_v the_o one_o the_o heavy_a and_o the_o other_o the_o light_a of_o liquor_n we_o think_v to_o fill_v the_o same_o glass_n and_o with_o the_o same_o scale_n to_o observe_v the_o difference_n betwixt_o they_o which_o we_o find_v to_o be_v as_o of_o 1_o to_o 16_o 641_o 1084_o whereby_o it_o appear_v that_o the_o difference_n betwixt_o spirit_n of_o wine_n that_o may_v be_v make_v to_o burn_v all_o away_o such_o as_o be_v we_o and_o common_a water_n be_v as_o betwixt_o 1_o and_o 1_o 44_o 171._o we_o may_v here_o take_v occasion_n to_o admire_v that_o though_o water_n as_o appear_v by_o the_o experiment_n former_o mention_v of_o the_o pewter_n vessel_n seem_v not_o capable_a of_o any_o considerable_a condensation_n and_o seem_v not_o to_o have_v intersperse_v in_o it_o any_o store_n of_o air_n yet_o quicksilver_n of_o no_o great_a bulk_n than_o water_n shall_v weigh_v near_o fourteen_o time_n as_o much_o but_o have_v only_o point_v at_o this_o as_o a_o thing_n worthy_a of_o consideration_n we_o will_v proceed_v in_o our_o inquiry_n after_o the_o height_n of_o the_o atmosphere_n and_o to_o avoid_v the_o trouble_n of_o fraction_n we_o will_v assume_v that_o quicksilver_n be_v fourteen_o time_n as_o heavy_a as_o water_n since_o it_o want_v so_o little_a of_o be_v so_o wherefore_o have_v now_o give_v we_o the_o proportion_n of_o air_n to_o water_n and_o water_n to_o quicksilver_n it_o will_v be_v very_o easy_a to_o find_v the_o proportion_n betwixt_o air_n and_o quicksilver_n in_o case_n we_o will_v suppose_v the_o atmosphere_n to_o be_v uniform_o of_o such_o a_o consistence_n as_o the_o air_n we_o weigh_v here_o below_o for_o since_o our_o engine_n have_v sufficient_o manifest_v that_o it_o be_v the_o aequilibrium_fw-la with_o the_o external_a air_n that_o in_o the_o torricellian_a experiment_n keep_v the_o quicksilver_n from_o subside_v and_o since_o by_o our_o accurate_a experiment_n former_o mention_v it_o appear_v that_o a_o cylinder_n of_o mercury_n able_a to_o balance_v a_o cylinder_n of_o the_o whole_a atmosphere_n amount_v to_o near_a about_o thirty_o inch_n and_o since_o consequent_o we_o may_v assume_v the_o proportion_n of_o quicksilver_n to_o air_n to_o be_v as_o fourteen_o thousand_o to_o one_o it_o will_v follow_v that_o a_o cylinder_n of_o air_n capable_a to_o maintain_v a_o aequilibrium_fw-la with_o a_o mercurial_a cylinder_n of_o two_o foot_n and_o a_o half_a in_o height_n must_v amount_v to_o 35000_o foot_n of_o our_o english_a measure_n and_o consequent_o reckon_v five_o foot_n to_o a_o geometrical_a pace_n and_o one_o thousand_o such_o pace_n to_o a_o mile_n to_o seven_o full_a mile_n but_o this_o as_o we_o late_o intimate_v proceed_v upon_o the_o supposition_n that_o the_o air_n be_v every_o where_o of_o the_o same_o consistence_n that_o we_o find_v it_o near_o the_o surface_n of_o the_o earth_n but_o that_o can_v with_o any_o safety_n be_v conclude_v not_o only_o for_o the_o reason_n i_o find_v to_o have_v be_v take_v notice_n of_o by_o the_o ancient_n and_o thus_o express_v in_o seneca_n omnis_fw-la aër_fw-la say_v he_o quo_fw-la propior_fw-la est_fw-la terris_fw-la hoc_fw-la crassior_fw-la quemadmodum_fw-la in_o aqua_fw-la &_o in_fw-la omni_fw-la humour_n faex_fw-la 10._o ima_fw-la est_fw-la ita_fw-la in_o aëre_fw-la spississima-quaeque_a desidunt_fw-la but_o much_o more_o because_o the_o springy_a texture_n of_o the_o aerial_a corpuscle_n make_v they_o capable_a of_o a_o very_a great_a compression_n which_o the_o weight_n of_o the_o incumbent_a part_n of_o the_o atmosphere_n be_v very_o sufficient_a to_o give_v those_o that_o be_v undermost_a and_o near_o the_o surface_n of_o the_o earth_n and_o if_o we_o recall_v to_o mind_v those_o former_a experiment_n whereby_o we_o have_v manifest_v that_o air_n much_o rarefy_v without_o heat_n may_v easy_o admit_v a_o far_a rarefaction_n from_o heat_n and_o that_o the_o air_n even_o without_o be_v expanded_a by_o heat_n be_v capable_a of_o be_v rarefy_v to_o above_o one_o hundred_o and_o fifty_o time_n the_o extent_n it_o usual_o possess_v here_o below_o how_o can_v it_o be_v demonstrate_v that_o the_o atmosphere_n may_v not_o for_o aught_o we_o know_v or_o at_o least_o for_o aught_o can_v be_v determine_v by_o our_o
a_o digression_n 90_o the_o 23_o experiment_n contain_v a_o far_a enquiry_n touch_v bubble_n make_v with_o common_a and_o distil_a water_n 91_o the_o 24_o experiment_n wherein_o the_o enquiry_n be_v prosccute_v with_o other_o liquor_n as_o with_o salad_n oil_n oil_n of_o turpentine_n a_o solution_n of_o tartar_n spirit_n of_o vinegar_n red-wine_n milk_n hen_n egg_n spirit_n of_o urine_n spirit_n of_o wine_n and_o water_n spirit_n of_o wine_n 94_o etc._n etc._n the_o wonderful_a expansion_n of_o the_o spirit_n of_o wine_n 97_o the_o 25_o experiment_n touch_v the_o expansion_n and_o gravity_n of_o the_o air_n under_o water_n 98_o etc._n etc._n the_o 26_o experiment_n touch_v the_o vibration_n of_o a_o pendulum_n 102_o etc._n etc._n the_o 27_o experiment_n touch_v the_o propagation_n of_o sound_n and_o the_o author_n intention_n of_o try_v some_o other_o experiment_n for_o the_o further_a elucidation_n thereof_o 103_o the_o 28_o experiment_n touch_v the_o sudden_a eruption_n of_o bubble_n from_o the_o water_n when_o the_o air_n be_v pressure_n be_v speedy_o remove_v 108_o the_o 29_o experiment_n touch_v the_o cause_n of_o the_o ascent_n of_o fume_n and_o vapour_n whereined_a be_v prove_v from_o the_o several_a motion_n which_o the_o fume_n of_o a_o strange_a smoke_a liquor_n of_o the_o author_n be_v observe_v to_o have_v in_o the_o receiver_n upon_o the_o exsuction_n of_o the_o air_n that_o the_o reason_n of_o their_o ascent_n proceed_v from_o the_o gravity_n of_o the_o ambient_fw-la air_n and_o not_o from_o any_o positive_a levity_n of_o their_o own_o 110_o etc._n etc._n the_o 30_o experiment_n concern_v the_o nature_n of_o a_o fluid_a body_n illustrate_v by_o the_o example_n of_o smoke_n which_o in_o several_a circumstance_n seem_v very_o much_o to_o resemble_v the_o property_n of_o a_o fluid_a body_n 113._o a_o conjecture_n of_o the_o cause_n of_o the_o sun_n undulation_n 115_o the_o 31_o experiment_n concern_v the_o phaenomena_n of_o two_o flat_a marble_n exact_o plain_v and_o wrought_v together_o and_o the_o true_a reason_n thereof_o the_o author_n intention_n for_o the_o further_a prosecution_n thereof_o and_o what_o hinder_v he_o the_o reason_n why_o the_o under_o marble_n do_v not_o fall_v from_o the_o upper_a be_v only_o conjoin_v with_o spirit_n of_o wine_n when_o the_o receiver_n be_v evacuate_v and_o a_o notable_a relation_n concern_v the_o cohesion_n of_o flat_a body_n 116_o etc._n etc._n the_o 32_o experiment_n touch_v the_o forcible_a pressure_n of_o the_o air_n against_o the_o outward_a superficies_n of_o a_o valve_n fasten_v upon_o the_o stop-cock_n of_o the_o receiver_n the_o diameter_n of_o it_o and_o the_o weight_n it_o sustain_v 118_o etc._n etc._n the_o 33_o experiment_n touch_v the_o great_a pressure_n of_o the_o air_n against_o the_o under_o superficies_n of_o the_o sucker_n 120_o etc._n etc._n what_o weight_n be_v requisite_a to_o depress_v it_o and_o what_o weight_n it_o will_v lift_v and_o carry_v up_o with_o it_o 121_o etc._n etc._n what_o improvement_n and_o use_n there_o may_v be_v make_v of_o this_o experiment_n ib._n a_o discourse_n touch_v the_o nature_n of_o suction_n prove_v that_o suga_o vacui_fw-la be_v not_o the_o adequate_a cause_n thereof_o 123_o etc._n etc._n the_o 34_o experiment_n contain_v several_a attempt_n for_o the_o weigh_v of_o light_a body_n in_o the_o exhaust_a receiver_n 131_o etc._n etc._n the_o 35_o experiment_n touch_v the_o cause_n of_o a_o filtration_n and_o the_o rise_n of_o mater_fw-la in_o siphons_n 133_o etc._n etc._n a_o relation_n of_o a_o new_a kind_n of_o siphon_n of_o the_o author_n upon_o the_o occasion_n of_o try_v the_o experiment_n late_o observe_v by_o some_o frenchman_n and_o further_o improve_v by_o himself_o and_o some_o conjecture_n touch_v the_o cause_n of_o the_o exhibit_v phaenomena_n 136_o etc._n etc._n the_o 36_o experiment_n touch_v the_o weigh_v of_o a_o parcel_n of_o air_n in_o the_o exhaust_a vessel_n and_o some_o other_o observation_n for_o the_o explication_n thereof_o 138_o etc._n etc._n a_o accidental_a experiment_n tend_v to_o the_o further_a confirmation_n of_o the_o author_n reflection_n upon_o the_o first_o experiment_n with_o a_o digressive_a observation_n note_v the_o subtle_a penetrancy_n of_o some_o spirit_n to_o exceed_v by_o far_o that_o of_o the_o air_n 140_o etc._n etc._n and_o some_o other_o experiment_n to_o show_v the_o difficulty_n of_o the_o ingress_n of_o the_o air_n into_o the_o pore_n or_o hole_n of_o some_o body_n into_o which_o water_n will_v ready_o insinuate_v itself_o with_o a_o conjecture_n at_o the_o cause_n thereof_o 142._o the_o author_n return_v to_o the_o prosecution_n of_o the_o inquiry_n after_o the_o gravity_n of_o the_o air_n but_o first_o upon_o the_o occasion_n of_o the_o tenacity_n of_o a_o thin_a bubble_n of_o glass_n set_v down_o his_o thought_n concern_v the_o strange_a exuperancy_n of_o strength_n in_o air_n agitate_a by_o heat_n above_o what_o the_o same_o have_v unagitated_a and_o then_o proceed_v to_o the_o examination_n of_o the_o weight_n of_o the_o air_n by_o a_o aeolipile_n and_o compare_v the_o result_n thereof_o with_o that_o of_o mersennus_n 143_o 144_o etc._n etc._n the_o opinion_n and_o experiment_n of_o divers_a author_n and_o some_o of_o his_o own_o touch_v the_o proportion_n of_o weight_n betwixt_o water_n and_o air_n be_v compare_v and_o examine_v by_o the_o author_n 145._o the_o result_n thereof_o ibid._n mersennus_n his_o observation_n reconcile_v with_o that_o of_o the_o author_n and_o the_o proportion_n between_o the_o gravity_n of_o water_n and_o air_n about_o london_n 146_o etc._n etc._n after_o the_o recital_n of_o the_o opinion_n of_o several_a writer_n touch_v the_o proportion_n of_o gravity_n between_o water_n and_o quicksilver_n the_o author_n set_v down_o his_o own_o trial_n make_v several_a way_n together_o with_o his_o conclusion_n therefrom_o 147_o etc._n etc._n the_o use_n he_o make_v of_o this_o inquiry_n for_o the_o guess_v at_o the_o height_n of_o the_o atmosphere_n 148._o what_o other_o experiment_n be_v requisite_a to_o the_o determination_n thereof_o 149_o the_o 37_o experiment_n touch_v the_o strange_a and_o odd_a phaenomenon_n of_o the_o sudden_a flash_n of_o light_n in_o the_o cavity_n of_o the_o receiver_n the_o several_a circumstance_n and_o difficulty_n of_o it_o with_o some_o attempt_n towards_o the_o render_v a_o reason_n thereof_o 153_o etc._n etc._n the_o difficulty_n of_o so_o do_v far_o show_v from_o the_o consideration_n of_o the_o various_a change_n of_o air_n which_o do_v not_o immediate_o fall_v under_o our_o sense_n this_o last_o proposition_n prove_v by_o several_a observation_n 156_o 157_o the_o 38_o experiment_n touch_v the_o freeze_a of_o water_n a_o problem_n concern_v the_o great_a force_n wherewith_o a_o freeze_a liquor_n extend_v itself_o propose_v upon_o the_o consideration_n of_o divers_a admirable_a effect_n wrought_v thereby_o 162_o the_o 39_o experiment_n contain_v a_o inquisition_n after_o the_o temperature_n of_o the_o substance_n that_o remain_v in_o the_o cavity_n of_o the_o receiver_n after_o the_o air_n be_v well_o exhaust_v the_o relation_n of_o a_o phaenomenon_n seem_v to_o proceed_v from_o the_o swell_n of_o the_o glass_n with_o a_o advertisement_n concern_v the_o pliableness_n of_o glass_n in_o small_a piece_n 164_o the_o 40_o experiment_n touch_v the_o difficulty_n that_o occur_v in_o make_v trial_n whether_o rarefy_a air_n be_v able_a to_o sustain_v fly_v infect_v 166_o the_o 41_o experiment_n exhibit_v several_a trial_n touch_v the_o respiration_n of_o divers_a sort_n of_o animal_n include_v in_o the_o receiver_n 167_o etc._n etc._n with_o a_o digression_n contain_v some_o doubt_n touch_v respiration_n wherein_o be_v deliver_v several_a experiment_n relate_v thereunto_o 171_o the_o 42_o experiment_n touch_v the_o differ_a operation_n of_o corrosive_a liquor_n in_o the_o empty_v receiver_n and_o in_o the_o open_a air._n 196_o the_o 43_o experiment_n touch_v the_o spontaneous_a ebullition_n of_o warm_a liquor_n in_o the_o exhaust_a receiver_n 198_o the_o conclusion_n 201_o to_o the_o lord_n of_o dungarvan_n my_o honour_a and_o dear_a nephew_n my_o dear_a lord_n receive_v in_o your_o last_o from_o paris_n a_o desire_n that_o i_o will_v add_v some_o more_o experiment_n to_o those_o i_o former_o send_v you_o over_o i_o can_v not_o be_v so_o much_o your_o servant_n as_o i_o be_o without_o look_v upon_o that_o desire_n as_o a_o command_n and_o consequent_o without_o think_v myself_o oblige_v to_o consider_v by_o what_o sort_n of_o experiment_n it_o may_v the_o most_o acceptable_o be_v obey_v and_o at_o the_o same_o time_n perceive_v by_o letter_n from_o some_o other_o ingenious_a person_n at_o paris_n that_o several_a of_o the_o virtuoso_n there_o be_v very_a intent_n upon_o the_o examination_n of_o the_o interest_n of_o the_o air_n in_o hinder_v the_o descent_n of_o the_o quicksilver_n in_o the_o famous_a experiment_n touch_v a_o vacuum_n i_o think_v i_o can_v not_o
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be_v thorough_o wet_v in_o fair_a water_n that_o the_o side_n of_o it_o be_v squeeze_v together_o there_o may_v be_v no_o air_n leave_v in_o its_o fold_n as_o indeed_o we_o can_v not_o afterward_o upon_o trial_n discern_v any_o the_o neck_n of_o this_o bladder_n be_v strong_o tie_v about_o that_o of_o a_o small_a glass_n capable_a of_o hold_v five_o full_a drachma_n of_o water_n the_o bladder_n be_v first_o so_o compress_v that_o all_o the_o include_v air_n be_v only_o in_o the_o glass_n without_o be_v press_v there_o then_o the_o pump_n be_v set_v on_o work_n after_o a_o few_o exsuction_n the_o air_n in_o the_o little_a viol_n begin_v to_o dilate_v itself_o and_o produce_v a_o small_a tumour_n in_o the_o neck_n of_o the_o bladder_n and_o as_o the_o ambient_fw-la air_n be_v more_o and_o more_o draw_v away_o so_o the_o include_v air_n penetrate_v far_o and_o far_o into_o the_o bladder_n and_o by_o degree_n list_v up_o the_o side_n and_o display_v its_o fold_n till_o at_o length_n it_o 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experiment_n this_o will_v perhaps_o make_v it_o seem_v strange_a that_o have_v take_v another_o glass_n bubble_v blow_v at_o the_o same_o time_n and_o like_v for_o aught_o we_o discern_v for_o size_n thickness_n and_o figure_n to_o that_o thin_a one_o former_o mention_v and_o have_v seal_v it_o up_o hermetical_o and_o suspend_v it_o in_o the_o receiver_n the_o exsuction_n of_o the_o ambient_fw-la air_n do_v not_o enable_v the_o imprison_a air_n to_o break_v or_o in_o the_o least_o to_o crack_v the_o bubble_n though_o the_o experiment_n be_v laborious_o try_v and_o that_o several_a time_n with_o bubble_n of_o other_o size_n but_o that_o perhaps_o the_o heat_n of_o the_o candle_n or_o lamp_n wherewith_o such_o glass_n be_v hermetical_o seal_v not_o to_o mention_v the_o warmth_n of_o his_o hand_n that_o seal_v it_o may_v so_o rarefy_v the_o contain_v air_n as_o much_o to_o weaken_v its_o spring_n may_v seem_v probable_o by_o the_o follow_a experiment_n experiment_n ix_o we_o take_v a_o 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change_n happen_v in_o the_o neighbour_a part_n of_o the_o outward_a air_n either_o by_o the_o ascension_n of_o gross_a or_o copious_a exhalation_n or_o by_o any_o other_o cause_n of_o which_o there_o may_v be_v divers_a as_o be_v capable_a to_o make_v considerable_a alteration_n in_o the_o consistence_n of_o the_o air_n as_o to_o rarity_n and_o density_n may_v be_v able_a proportionable_o to_o alter_v the_o height_n of_o the_o quicksilver_n i_o rather_o say_v that_o such_o alteration_n may_v be_v than_o that_o they_o be_v the_o cause_n of_o our_o phaenomenon_n because_o i_o think_v it_o sufficient_a if_o i_o have_v propose_v conjecture_n not_o altogether_o irrational_a about_o a_o new_a mystery_n of_o nature_n touch_v which_o the_o chief_a thing_n i_o pretend_v to_o be_v to_o give_v occasion_n to_o the_o curious_a to_o inquire_v far_o into_o it_o than_o i_o have_v be_v yet_o able_a to_o do_v experiment_n xix_o the_o same_o reason_n that_o move_v we_o to_o conclude_v that_o by_o the_o draw_n of_o the_o air_n out_o of_o the_o receiver_n the_o mercury_n will_v descend_v in_o a_o tube_n short_a than_o six_o and_o twenty_o digit_n induce_v we_o also_o to_o expect_v that_o by_o the_o same_o mean_n water_n may_v be_v bring_v to_o subside_v in_o glass_n tubes_fw-la of_o a_o moderate_a length_n though_o by_o the_o noble_a experiment_n say_v to_o have_v be_v accurate_o make_v in_o france_n by_o mounseur_fw-fr paschal_n we_o be_v inform_v that_o a_o tube_n of_o no_o less_o than_o about_o two_o and_o thirty_o foot_n be_v find_v requisite_a to_o make_v the_o experiment_n de_fw-fr vacuo_fw-la succeed_v with_o water_n instead_o of_o quicksilver_n so_o tall_a a_o cylinder_n of_o that_o light_a liquor_n be_v it_o seem_v requisite_a to_o equal_v the_o weight_n of_o a_o mercurial_a cylinder_n of_o six_o or_o seven_o and_o twenty_o digit_n and_o surmount_v the_o pressure_n of_o the_o atmosphere_n we_o take_v then_o a_o tube_n of_o glass_n hermetical_o seal_v at_o one_o end_n of_o about_o four_o foot_n in_o length_n and_o not_o very_o slender_a this_o at_o the_o open_a end_n we_o fill_v with_o common_a water_n and_o then_o stop_v that_o end_n till_o we_o have_v invert_v the_o tube_n and_o open_v it_o beneath_o the_o surface_n of_o a_o quantity_n of_o the_o like_a water_n contain_v in_o a_o somewhat_o deep_a and_o slender_a vessel_n this_o vessel_n with_o the_o tube_n in_o it_o be_v let_v down_o into_o the_o receiver_n and_o the_o receiver_n be_v close_v up_o after_o the_o accustom_a manner_n the_o pump_n be_v set_v on_o work_n as_o much_o of_o the_o event_n as_o concern_v our_o present_a purpose_n be_v this_o that_o till_o a_o considerable_a part_n of_o the_o air_n be_v draw_v out_o of_o the_o receiver_n the_o tube_n continue_v topful_a of_o water_n as_o when_o it_o be_v put_v in_o it_o be_v requisite_a that_o a_o great_a part_n of_o the_o air_n former_o contain_v
in_o the_o receiver_n shall_v be_v draw_v out_o to_o bring_v the_o remain_a air_n to_o a_o aequilibrium_fw-la with_o so_o short_a and_o light_v a_o cylinder_n of_o water_n but_o when_o once_o the_o water_n begin_v to_o fall_v in_o the_o tube_n than_o each_o exsuction_n of_o air_n make_v it_o descend_v a_o little_a low_o though_o nothing_o near_o so_o much_o as_o the_o quicksilver_n at_o the_o beginning_n do_v in_o the_o experiment_n former_o mention_v nor_o do_v there_o appear_v so_o much_o inequality_n in_o the_o space_n transmit_v by_o the_o water_n in_o its_o descent_n as_o there_o it_o do_v in_o those_o observe_v in_o the_o fall_n of_o the_o quicksilver_n of_o which_o the_o cause_n will_v scarce_o seem_v abstruse_a to_o he_o that_o shall_v due_o reflect_v upon_o what_o have_v be_v already_o deliver_v and_o whereas_o we_o draw_v down_o the_o quicksilver_n in_o the_o tube_n so_o far_o as_o to_o bring_v it_o within_o a_o inch_n of_o the_o surface_n of_o the_o other_o quicksilver_n into_o which_o it_o be_v to_o fall_v the_o low_a we_o be_v able_a to_o draw_v down_o the_o water_n be_v by_o our_o conjecture_n to_o about_o a_o foot_n or_o more_o above_o the_o surface_n of_o that_o in_o the_o vessel_n of_o which_o i_o know_v not_o whether_o it_o will_v be_v needful_a to_o assign_v so_o obvious_a a_o cause_n as_o that_o though_o the_o little_a air_n remain_v in_o the_o receiver_n can_v not_o hinder_v a_o cylinder_n of_o above_o on_o inch_n high_a of_o quicksilver_n from_o subside_v yet_o it_o may_v be_v very_o well_o able_a by_o its_o pressure_n to_o countervail_v the_o weight_n of_o a_o cylinder_n of_o a_o foot_n long_o or_o more_o of_o a_o liquor_n so_o much_o less_o ponderous_a than_o quicksilver_n as_o water_n be_v and_o in_o fine_a to_o conclude_v our_o experiment_n when_o the_o water_n be_v draw_v down_o thus_o low_a we_o find_v that_o by_o let_v in_o the_o outward_a air_n it_o may_v be_v immediate_o impel_v up_o again_o to_o the_o high_a part_n of_o the_o tube_n we_o will_v add_v no_o more_o concern_v this_o experiment_n save_o that_o have_v try_v it_o in_o one_o of_o our_o small_a receiver_n we_o observe_v that_o upon_o the_o first_o exsuction_n of_o the_o air_n the_o water_n do_v usual_o subside_o divers_a inch_n and_o at_o the_o second_o exsuction_n fall_v down_o much_o low_a subside_v sometime_o near_o two_o foot_n as_o also_o that_o upon_o the_o let_n in_o of_o the_o air_n from_o without_o the_o water_n be_v impel_v up_o with_o very_a great_a celerity_n experiment_n xx._n that_o the_o air_n have_v a_o notable_a elastical_a power_n whencesoever_o that_o proceed_v we_o have_v i_o suppose_v abundant_o evince_v and_o it_o begin_v to_o be_v acknowledge_v by_o the_o eminent_a modern_a naturalist_n but_o whether_o or_o no_o there_o be_v in_o water_n so_o much_o as_o a_o languid_a one_o seem_v hitherto_o to_o have_v be_v scarce_o consider_v nor_o have_v be_v yet_o for_o aught_o i_o know_v determine_v either_o way_n by_o any_o writer_n which_o invite_v we_o to_o make_v the_o follow_a experiment_n there_o be_v take_v a_o great_a glass_n bubble_n with_o a_o long_a neck_n such_o as_o chemist_n be_v wont_a to_o call_v a_o philosophical_a egg_n which_o be_v fill_v with_o common_a water_n till_o the_o liquor_n reach_v about_o a_o span_n above_o the_o bubble_n and_o a_o piece_n of_o paper_n be_v there_o past_v on_o be_v put_v unstopped_a into_o the_o receiver_n and_o then_o the_o air_n be_v suck_v out_o after_o the_o wont_a manner_n the_o event_n be_v this_o that_o a_o considerable_a part_n of_o the_o air_n pen_v up_o in_o the_o receiver_n be_v draw_v out_o before_o we_o discern_v any_o expansion_n of_o the_o water_n but_o continue_v the_o labour_n of_o pump_v the_o water_n manifest_o begin_v to_o ascend_v in_o the_o stem_n of_o the_o glass_n and_o divers_a bubble_n loosen_a themselves_o from_o the_o low_a part_n of_o the_o vessel_n make_v their_o way_n through_o the_o body_n of_o the_o water_n to_o the_o top_n of_o it_o and_o there_o break_v into_o the_o receiver_n and_o after_o the_o water_n once_o appear_v to_o swell_v then_o at_o each_o time_n the_o stop_n cock_n be_v turn_v to_o let_v out_o the_o air_n from_o the_o receiver_n into_o the_o pump_n the_o water_n in_o the_o neck_n of_o the_o glass_n do_v sudden_o rise_v about_o the_o breadth_n of_o a_o barleycorn_n in_o the_o neck_n of_o the_o glass_n and_o so_o attain_v by_o degree_n to_o a_o considerable_a height_n above_o the_o mark_n former_o mention_v and_o at_o length_n to_o make_v the_o expansion_n of_o the_o water_n more_o evident_a the_o outward_a air_n be_v sudden_o let_v in_o and_o the_o water_n immediate_o subside_v and_o desert_v all_o the_o space_n it_o have_v new_o gain_v in_o the_o glass_n and_o on_o this_o occasion_n it_o will_v not_o perhaps_o be_v amiss_o to_o acquaint_v your_o lordship_n here_o though_o we_o have_v already_o mention_v it_o in_o another_o paper_n to_o another_o purpose_n with_o another_o expedient_a that_o we_o make_v use_v of_o two_o or_o three_o year_n ago_o to_o try_v whether_o or_o no_o water_n have_v a_o spring_n in_o it_o about_o that_o time_n then_o that_o great_a and_o learned_a promoter_n of_o experimental_a philosophy_n dr._n wilkins_n do_v i_o the_o honour_n to_o come_v himself_o and_o bring_v some_o of_o his_o inquisitive_a friend_n to_o my_o lodging_n we_o there_o have_v in_o readiness_n a_o round_a and_o hollow_a vessel_n of_o pewter_n great_a enough_o to_o contain_v two_o pound_n of_o water_n and_o exact_o close_v every_o where_o but_o at_o one_o little_a hole_n where_o it_o be_v to_o be_v fill_v then_o partly_o by_o suck_v out_o the_o air_n and_o partly_o by_o inject_v water_n with_o a_o syringe_n it_o be_v not_o without_o some_o difficulty_n fill_v up_o to_o the_o top_n and_o that_o hole_n be_v place_v direct_o upward_o there_o be_v a_o little_a more_o water_n leisurely_o force_v in_o by_o the_o syringe_n upon_o which_o though_o the_o vessel_n be_v permit_v to_o rest_n and_o the_o hole_n keep_v in_o its_o former_a posture_n yet_o the_o compress_v water_n leisurely_o swell_v above_o the_o orifice_n of_o the_o hole_n and_o divers_a drop_n run_v over_o along_o the_o side_n of_o the_o vessel_n after_o this_o we_o cause_v a_o skilful_a pewterer_n who_o have_v make_v the_o globe_n to_o close_v it_o up_o in_o our_o presence_n with_o soder_n so_o exquisite_o that_o none_o suspect_v there_o be_v any_o thing_n leave_v in_o it_o beside_o water_n and_o last_o the_o vessel_n thus_o solder_a up_o be_v wary_o and_o often_o strike_v in_o divers_a place_n with_o a_o wooden_a mallet_n and_o thereby_o be_v manifest_o compress_v whereby_o the_o enclose_a water_n be_v crowd_v into_o less_o room_n than_o it_o have_v before_o and_o thereupon_o we_o take_v a_o needle_n and_o with_o it_o and_o the_o mallet_n perforate_v the_o vessel_n and_o draw_v out_o the_o needle_n again_o the_o water_n but_o in_o a_o very_a slender_a stream_n be_v sudden_o throw_v after_o it_o into_o the_o air_n to_o the_o height_n of_o two_o or_o three_o foot_n as_o for_o the_o other_o phaenomena_n of_o this_o experiment_n since_o they_o belong_v not_o to_o our_o present_a purpose_n and_o be_v partly_o mention_v in_o another_o of_o our_o paper_n we_o shall_v instead_o of_o record_v they_o here_o give_v this_o advertisement_n that_o as_o evident_o as_o this_o experiment_n and_o that_o make_v in_o our_o receiver_n seem_v to_o prove_v a_o power_n in_o the_o water_n to_o expand_v and_o restore_v itself_o after_o compression_n yet_o for_o a_o reason_n to_o be_v meet_v with_o ere_o long_o i_o judge_v it_o not_o safe_a to_o infer_v that_o conclusion_n from_o these_o premise_n till_o i_o have_v make_v some_o of_o the_o follow_a trial_n to_o the_o mention_n of_o which_o i_o will_v therefore_o hasten_v experiment_n xxi_o to_o discover_v whether_o the_o expansion_n of_o the_o water_n real_o proceed_v from_o a_o elastical_a power_n in_o the_o part_n of_o the_o water_n itself_o we_o think_v it_o requisite_a to_o try_v two_o thing_n the_o one_o whether_o or_o no_o the_o atmosphere_n gravitates_fw-la upon_o body_n under_o water_n and_o the_o other_o whether_o in_o case_n it_o do_v gravitate_fw-la the_o intumescence_n of_o the_o water_n may_v not_o be_v ascribe_v to_o some_o substance_n subtle_a than_o itself_o reside_v in_o it_o in_o order_n to_o the_o satisfy_n myself_o about_o the_o first_o of_o these_o i_o intend_v to_o let_v down_o into_o the_o receiver_n a_o vessel_n of_o water_n wherein_o shall_v be_v immerse_v a_o very_a small_a oil_a bladder_n almost_o devoid_a of_o air_n but_o strong_o tie_v up_o at_o the_o neck_n with_o a_o string_n and_o detain_v a_o little_a under_o water_n by_o such_o a_o weight_n fasten_v to_o that_o string_n as_o shall_v just_o be_v able_a to_o keep_v
the_o bladder_n from_o swim_v and_o no_o more_o for_o i_o suppose_v that_o if_o when_o all_o thing_n be_v thus_o order_v the_o receiver_n be_v empty_v in_o case_n there_o be_v any_o such_o pressure_n of_o the_o atmosphere_n upon_o water_n as_o i_o be_v incline_v to_o believe_v the_o air_n within_o the_o bladder_n be_v upon_o the_o exsuction_n of_o the_o air_n within_o the_o receiver_n free_v from_o that_o pressure_n and_o be_v press_v only_o by_o the_o small_a weight_n of_o the_o incumbent_a water_n will_v considerable_o expand_v itself_o but_o whilst_o we_o be_v prepare_v bladder_n for_o this_o experiment_n there_o occur_v a_o easy_a way_n for_o the_o make_n at_o once_o both_o the_o discovery_n i_o desire_v we_o take_v then_o a_o glass_n viol._n contain_v by_o guess_v a_o pound_n and_o some_o ounce_n of_o water_n this_o we_o fill_v top_n full_a and_o then_o we_o put_v into_o the_o neck_n of_o it_o a_o glass_n pipe_v a_o pretty_a deal_n big_a than_o a_o goose_n quill_n open_a at_o both_o end_n and_o of_o divers_a inch_n in_o length_n one_o end_n of_o this_o pipe_n be_v so_o put_v into_o the_o neck_n of_o the_o viol_n as_o to_o reach_v a_o little_a below_o it_o and_o then_o be_v careful_o cement_v thereto_o that_o no_o air_n may_v get_v into_o the_o viol_n nor_o any_o water_n get_v out_o of_o it_o otherwise_o than_o through_o the_o pipe_n and_o then_o the_o pipe_n be_v wary_o fill_v about_o half_a way_n up_o to_o the_o top_n with_o more_o water_n and_o a_o mark_n be_v past_v over_o against_o the_o upper_a surface_n of_o the_o liquor_n the_o viol_n thus_o fit_v with_o the_o pipe_n be_v by_o string_n let_v down_o into_o the_o receiver_n and_o according_a to_o the_o wont_a manner_n exquisite_o close_v up_o in_o it_o this_o do_v we_o begin_v to_o pump_v out_o the_o air_n and_o when_o a_o pretty_a quantity_n of_o it_o have_v be_v draw_v away_o the_o water_n in_o the_o pipe_n begin_v to_o rise_v high_o in_o the_o pipe_n at_o the_o side_n of_o which_o some_o little_a bubble_n discover_v themselves_o after_o a_o little_a while_n long_o the_o water_n still_o swell_v there_o appear_v at_o the_o bottom_n of_o the_o pipe_n a_o bubble_n about_o the_o bigness_n of_o a_o small_a pea_n which_o ascend_v through_o the_o pipe_n to_o the_o top_n of_o the_o water_n stay_v there_o a_o while_n and_o then_o break_v but_o the_o pump_n be_v nimble_o ply_v the_o expansion_n of_o the_o water_n so_o increase_v that_o quick_o get_v up_o to_o the_o top_n of_o the_o pipe_n some_o drop_n of_o it_o begin_v to_o run_v down_o along_o the_o outside_n of_o it_o which_o oblige_v we_o to_o forbear_v pump_v a_o while_n and_o give_v the_o water_n leave_v to_o subside_o within_o less_o than_o two_o inch_n of_o the_o bottom_n of_o the_o pipe_n after_o this_o the_o pump_n be_v again_o set_v on_o work_n the_o bubble_n begin_v to_o ascend_v from_o the_o bottom_n of_o the_o pipe_n be_v not_o all_o of_o a_o size_n but_o yet_o so_o big_a that_o estimate_v one_o with_o another_o they_o 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ratione_fw-la erat_fw-la longitudo_fw-la sive_fw-la altitudo_fw-la camerae_fw-la ah_o 5_o pedum_n latitudine_fw-la 3_o ferè_fw-la ex_fw-la lateribus_fw-la constructa_fw-la in_fw-la figure_n medio_fw-la duo_fw-la tenebat_fw-la diaphragmata_fw-la cd_o &_o of_o in_o modum_fw-la cribri_fw-la pluribus_fw-la foraminibus_fw-la pertusi_fw-la paulo_n infra_fw-la canalis_fw-la g_o aquam_fw-la advehens_fw-la inserebatur_fw-la in_o h_n eidem_fw-la epistomium_fw-la parabat_fw-la exitum_fw-la aqua_fw-la itaque_fw-la per_fw-la canalem_fw-la g_o maximo_fw-la impetu_fw-la ruens_fw-la vehementissimum_fw-la ventum_fw-la mox_fw-la intus_fw-la excitabat_fw-la qui_fw-la ventus_fw-la nimiâ_fw-la humiditate_fw-la imbutus_fw-la ut_fw-la purior_fw-la exiret_fw-la sicciórque_fw-la diaphragmata_fw-la illa_fw-la in_o cribri_fw-la modum_fw-la pertusa_fw-la ordinata_fw-la sunt_fw-la intra_fw-la haec_fw-la enim_fw-la aquae_fw-la vehemens_fw-la agitatio_fw-la rupta_fw-la fractáque_fw-la aerem_fw-la puriorem_fw-la 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former_o interspersed_a air._n be_v willing_a likewise_o to_o try_v whether_o distil_a water_n be_v by_o have_v be_v divide_v into_o minute_n part_n and_o then_o reunite_v more_o or_o less_o dispose_v to_o expand_v itself_o than_o water_n not_o distil_v we_o take_v out_o of_o our_o laboratory_n some_o careful_o distil_a rain-water_n and_o put_v about_o two_o ounce_n of_o it_o into_o a_o round_a glass-bubble_n with_o a_o very_a small_a neck_n not_o exceed_v the_o six_o part_n of_o a_o inch_n in_o diameter_n which_o we_o fill_v half_a way_n to_o the_o top_n and_o then_o convey_v it_o into_o the_o receiver_n the_o issue_n be_v that_o though_o we_o draw_v out_o more_o air_n than_o ordinary_a yet_o there_o appear_v not_o the_o least_o intumescence_n of_o the_o water_n nor_o any_o ascend_a bubble_n but_o suspect_v that_o either_o the_o small_a quantity_n of_o the_o water_n or_o
the_o figure_n of_o the_o vessel_n may_v have_v a_o interest_n in_o this_o odd_a phaenomenon_n we_o take_v the_o late_o mention_v philosophical_a egg_n and_o another_o not_o much_o differ_v from_o it_o the_o former_a we_o fill_v up_o with_o distil_a rain-water_n to_o the_o old_a mark_n and_o into_o the_o latter_a we_o put_v a_o long_o cylinder_n or_o rod_n of_o solid_a glass_n to_o straiten_v the_o cavity_n of_o the_o neck_n by_o almost_o fill_v it_o up_o and_o then_o pour_v some_o distil_a water_n into_o that_o also_o till_o it_o reach_v within_o some_o finger_n breadth_n of_o the_o top_n the_o egg_n be_v let_v down_o into_o the_o receiver_n in_o this_o experiment_n the_o air_n be_v so_o far_o draw_v forth_o before_o there_o appear_v any_o bubble_n in_o either_o of_o the_o glass_n that_o the_o disparity_n betwixt_o this_o and_o common_a water_n be_v manifest_a enough_o but_o at_o length_n when_o the_o air_n be_v almost_o quite_o pump_v out_o the_o bubble_n begin_v to_o disclose_v 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bubble_n in_o the_o oil_n much_o soon_o than_o in_o the_o water_n and_o afterward_o they_o also_o ascend_v much_o more_o copious_o in_o the_o former_a liquor_n than_o in_o the_o latter_a nay_o and_o when_o by_o have_v quite_o tire_v the_o pumper_n and_o almost_o our_o own_o patience_n we_o give_v over_o the_o bubble_n rise_v almost_o if_o not_o altogether_o in_o as_o great_a number_n as_o ever_o insomuch_o that_o none_o of_o the_o various_a liquor_n we_o try_v either_o before_o or_o since_o seem_v to_o abound_v more_o with_o aerial_a particle_n than_o do_v this_o oil_n in_o which_o it_o be_v far_o remarkable_a that_o between_o the_o time_n it_o be_v set_v into_o the_o receiver_n and_o that_o at_o which_o we_o can_v get_v ready_a to_o pump_v it_o subside_v notable_o by_o guess_n about_o half_a a_o inch_n below_o the_o mark_v it_o reach_v before_o it_o be_v put_v in_o after_o this_o express_a oil_n we_o make_v trial_n of_o a_o distil_a one_o and_o for_o that_o purpose_n make_v choice_n of_o the_o common_a oil_n or_o spirit_n for_o in_o the_o shop_n where_o it_o be_v sell_v the_o same_o liquor_n be_v promiscuous_o call_v by_o either_o name_n of_o turpentine_n because_o it_o be_v only_o of_o that_o chemical_a oil_n we_o have_v a_o sufficient_a quantity_n which_o be_v put_v into_o a_o small_a glass_n bubble_n with_o a_o slender_a neck_n so_o as_o to_o fill_v it_o about_o two_o inch_n from_o the_o top_n do_v upon_o the_o evacuate_n of_o the_o receiver_n present_v we_o with_o great_a store_n of_o bubble_n most_o of_o which_o rise_v from_o the_o bottom_n expanded_a themselves_o exceed_o in_o their_o ascent_n and_o make_v the_o liquor_n in_o the_o neck_n to_o swell_v so_o much_o by_o degree_n that_o at_o length_n it_o divers_a time_n run_v over_o at_o the_o top_n by_o which_o mean_n we_o be_v hinder_v from_o be_v able_a to_o discern_v upon_o the_o let_n in_o of_o the_o air_n how_o much_o the_o subsidence_n of_o the_o oil_n below_o the_o first_o mark_n be_v due_a to_o the_o recess_n of_o the_o bubble_n have_v likewise_o a_o mind_n to_o try_v whether_o as_o strong_a a_o solution_n of_o salt_n of_o tartar_n in_o fair_a water_n as_o can_v be_v make_v we_o have_v then_o no_o oil_n of_o tartar_n per_fw-la deliquium_fw-la at_o hand_n though_o it_o be_v account_v quicksilver_n except_v the_o heavy_a of_o liquor_n will_v afford_v we_o any_o bubble_n we_o put_v in_o a_o glass_n egg_n full_a of_o it_o at_o the_o same_o time_n with_o other_o liquor_n and_o find_v that_o they_o do_v long_o yield_v store_n of_o bubble_n before_o any_o discover_v themselves_o in_o the_o liquor_n of_o tartar_n and_o have_v pursue_v the_o experiment_n it_o appear_v that_o of_o all_o the_o liquor_n we_o make_v trial_n of_o this_o afford_v the_o few_o and_o small_a bubble_n spirit_n of_o vinegar_n be_v try_v after_o the_o same_o manner_n exhibit_v a_o moderate_a number_n of_o bubble_n but_o scarce_o any_o thing_n else_o worth_a the_o mention_v nor_o can_v we_o in_o red_a wine_n try_v in_o a_o glass_n egg_n take_v notice_n of_o any_o thing_n very_o observable_a for_o though_o upon_o the_o exsuction_n of_o the_o air_n the_o bubble_n ascend_v in_o this_o liquor_n as_o it_o be_v in_o shoal_n and_o shift_v place_n among_o themselves_o in_o their_o ascent_n yet_o the_o intumescence_n of_o the_o whole_a bulk_n of_o the_o liquor_n be_v scarce_o at_o all_o sensible_a the_o bubble_n most_o common_o break_v very_o soon_o after_o their_o arrival_n at_o the_o top_n where_o during_o their_o stay_n they_o compose_v a_o kind_n of_o shallow_a froth_n which_o alone_o appear_v high_o in_o the_o neck_n of_o the_o glass_n than_o be_v the_o wine_n when_o it_o be_v let_v down_o neither_o yet_o do_v milk_n convey_v into_o our_o pneumatical_a vessel_n present_v we_o with_o any_o thing_n memorable_a save_o
that_o as_o it_o seem_v by_o reason_n of_o some_o unctuousness_n of_o the_o liquor_n the_o bubble_n not_o easy_o break_v at_o the_o top_n and_o thrust_v up_o one_o another_o make_v the_o intumescence_n appear_v much_o great_a than_o that_o of_o common_a water_n we_o likewise_o convey_v hen_n egg_n into_o the_o receiver_n but_o after_o the_o exsuction_n of_o the_o air_n take_v they_o out_o whole_a again_o that_o which_o invite_v we_o to_o put_v they_o in_o be_v that_o as_o perhaps_o we_o mention_v in_o other_o paper_n we_o have_v among_o other_o experiment_n of_o cold_a make_v egg_n burst_v by_o freeze_v they_o within_o door_n with_o snow_n and_o salt_n the_o ice_n into_o which_o the_o aqueous_a part_n of_o the_o egg_n be_v turn_v by_o the_o cold_a so_o distend_v probable_o by_o reason_n of_o the_o numerous_a bubble_n wont_a to_o be_v observable_a in_o ice_n the_o outward_a part_n of_o the_o egg_n that_o it_o usual_o crack_v the_o shell_n though_o the_o inner_a membrane_n that_o involve_v the_o several_a liquor_n of_o the_o egg_n because_o it_o will_v stretch_v and_o yield_v remain_v unbroken_a and_o hereupon_o we_o imagine_v that_o in_o our_o engine_n it_o may_v appear_v whether_o or_o no_o there_o be_v any_o considerable_a spring_n either_o in_o any_o of_o the_o liquor_n or_o in_o any_o other_o more_o spirituous_a substance_n include_v in_o the_o egg._n we_o take_v also_o some_o spirit_n of_o urine_n careless_o enough_o deflegm_v and_o put_v it_o into_o the_o same_o glass_n first_o careful_o scour_v and_o cleanse_v wherein_o we_o have_v put_v the_o oil_n olive_n abovementioned_a we_o take_v also_o another_o glass_n differ_v from_o a_o glass_n egg_n only_o in_o that_o its_o bottom_n be_v flat_a and_o fill_v it_o up_o to_o about_o â…”_n of_o the_o neck_n which_o be_v wide_a than_o that_o of_o the_o egg_n with_o rectify_a spirit_n of_o wine_n we_o take_v also_o another_o glass_n egg_n and_o have_v fill_v it_o with_o common_a water_n till_o it_o reach_v to_o the_o middle_n of_o the_o neck_n we_o pour_v to_o it_o of_o the_o same_o spirit_n of_o wine_n till_o it_o reach_v about_o a_o inch_n high_o these_o three_o glass_n have_v mark_n set_v on_o they_o over_o against_o the_o edge_n of_o the_o contain_v liquor_n be_v put_v into_o the_o receiver_n and_o that_o beginning_n to_o be_v evacuate_v the_o bubble_n in_o all_o the_o three_o liquor_n begin_v to_o appear_v the_o mixture_n of_o the_o spirit_n of_o wine_n and_o water_n disclose_v a_o great_a store_n of_o bubble_n especial_o towards_o the_o top_n but_o scarce_o afford_v we_o any_o thing_n worth_a the_o remember_n the_o spirit_n of_o urine_n appear_v to_o swell_v near_o a_o inch_n and_o a_o half_a above_o the_o mark_n and_o beside_o that_o send_v forth_o store_n of_o bubble_n which_o make_v a_o kind_n of_o froth_n at_o the_o upper_a part_n of_o it_o and_o above_o that_o spume_n there_o appear_v eight_o or_o ten_o great_a bubble_n one_o above_o another_o in_o a_o very_a decent_a order_n each_o of_o they_o constitute_v as_o it_o be_v a_o cylinder_n of_o about_o half_a a_o inch_n high_a and_o as_o broad_a as_o the_o internal_a cavity_n of_o the_o neck_n so_o that_o all_o the_o upper_a part_n of_o the_o neck_n for_o these_o bubble_n reach_v to_o the_o top_n seem_v to_o be_v divide_v into_o almost_o equal_a part_n by_o certain_a diaphragme_n consist_v of_o the_o coat_n of_o the_o bubble_n who_o edge_n appear_v like_o so_o many_o ring_n suspend_v one_o above_o another_o in_o the_o spirit_n of_o wine_n there_o do_v arise_v a_o great_a multitude_n of_o bubble_n even_o till_o weariness_n do_v make_v we_o give_v over_o the_o experiment_n and_o in_o these_o bubble_n two_o or_o three_o thing_n be_v remarkable_a as_o first_o that_o they_o ascend_v with_o a_o very_a notable_a celerity_n next_o that_o be_v arrive_v at_o the_o top_n they_o make_v no_o stay_n there_o and_o yet_o notwithstanding_o the_o great_a thinness_n and_o spirituousness_n of_o the_o liquor_n do_v before_o they_o break_v lift_v up_o the_o upper_a surface_n of_o it_o and_o for_o a_o moment_n or_o two_o form_n thereof_o a_o thin_a film_n or_o skin_n which_o appear_v protuberant_a above_o the_o rest_n of_o the_o superficies_n like_o a_o small_a hemisphere_n three_o that_o they_o ascend_v straight_o up_o whereas_o those_o produce_v at_o the_o low_a part_n of_o the_o vessel_n contain_v the_o mixture_n of_o the_o water_n and_o spirit_n of_o wine_n ascend_v with_o a_o waver_a or_o wriggle_v motion_n whereby_o they_o describe_v a_o indent_a line_n last_o it_o be_v observable_a in_o the_o spirit_n of_o wine_n and_o we_o take_v notice_n of_o the_o like_a in_o the_o oil_n of_o turpentine_n late_o mention_v that_o not_o only_o the_o bubble_n seem_v to_o rise_v from_o certain_a determinate_a place_n at_o the_o bottom_n of_o the_o glass_n but_o that_o in_o their_o ascension_n they_o keep_v a_o almost_o equal_a distance_n from_o each_o other_o and_o follow_v one_o another_o in_o a_o certain_a order_n whereby_o they_o seem_v part_n of_o small_a bracelet_n consist_v of_o equal_o little_a incontiguous_a bead_n the_o low_a end_n of_o each_o bracelet_n be_v as_o it_o be_v fasten_v to_o a_o certain_a point_n at_o the_o bottom_n of_o the_o glass_n the_o air_n be_v spare_o let_v into_o the_o receiver_n the_o great_a bubble_n former_o mention_v as_o incumbent_n upon_o one_o another_o in_o that_o glass_n that_o contain_v the_o spirit_n of_o urine_n be_v by_o orderly_a degree_n lessen_v till_o at_o length_n they_o whole_o subside_v notwithstanding_o the_o recess_n of_o so_o many_o bubble_n as_o break_v on_o the_o top_n of_o the_o spirit_n of_o urine_n during_o all_o the_o time_n of_o the_o experiment_n yet_o it_o scarce_o appear_v at_o all_o to_o be_v sink_v below_o the_o mark_n nor_o do_v the_o mixture_n of_o spirit_n of_o wine_n and_o water_n considerable_o subside_o but_o that_o be_v nothing_o to_o what_o we_o observe_v in_o the_o spirit_n of_o wine_n for_o not_o only_o it_o conspicuous_o expanded_a itself_o in_o the_o neck_n of_o the_o vessel_n that_o contain_v it_o notwithstanding_o the_o largeness_n of_o it_o and_o that_o the_o bubble_n be_v wont_a to_o break_v at_o the_o top_n of_o it_o almost_o as_o soon_o as_o they_o arrive_v there_o but_o upon_o the_o readmission_n of_o the_o external_a air_n the_o spirit_n of_o wine_n retain_v its_o new_o acquire_v expansion_n and_o though_o we_o let_v it_o alone_o for_o near_o a_o hour_n together_o in_o expectation_n that_o it_o may_v subside_o yet_o when_o we_o take_v it_o out_o we_o find_v it_o still_o swell_v between_o a_o quarter_n and_o half_a a_o inch_n above_o the_o mark_n and_o although_o it_o be_v not_o easy_o imaginable_a how_o this_o phaenomenon_n can_v proceed_v from_o any_o mistake_n in_o try_v the_o experiment_n yet_o the_o strangeness_n of_o it_o invite_v i_o to_o repeat_v it_o with_o fresh_a spirit_n of_o wine_n which_o swell_v in_o the_o neck_n as_o former_o i_o leave_v all_o night_n in_o the_o receiver_n 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the_o atmosphere_n be_v in_o very_o great_a measure_n if_o not_o when_o it_o be_v total_o take_v off_o from_o the_o liquor_n and_o the_o body_n though_o it_o be_v worth_a inquire_v what_o it_o be_v that_o so_o plentiful_o concur_v to_o fill_v the_o bubble_n make_v in_o our_o experiment_n by_o the_o so_o much_o expanded_a air._n for_o to_o say_v with_o the_o old_a peripatetic_a school_n that_o the_o air_n in_o rarefaction_n may_v acquire_v a_o new_a extent_n without_o the_o admission_n of_o any_o new_a substance_n will_v be_v a_o account_n of_o the_o phaenomenon_n very_o much_o out_o of_o date_n and_o which_o i_o suppose_v our_o modern_a naturalist_n will_v neither_o give_v nor_o acquiesce_v in_o i_o know_v not_o whether_o it_o may_v be_v requisite_a to_o add_v that_o in_o this_o experiment_n as_o in_o the_o former_a the_o outward_a air_n be_v let_v in_o do_v soon_o precipitate_a the_o float_a viol._n but_o i_o think_v it_o will_v not_o be_v amiss_o to_o note_n that_o congruous_o to_o 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confirmation_n of_o the_o same_o truth_n the_o follow_a experiment_n which_o will_v have_v accompany_v the_o 20_o but_o the_o paper_n wherein_o the_o one_o be_v write_v chance_v not_o to_o be_v at_o hand_n when_o the_o other_o be_v send_v away_o we_o convey_v into_o the_o receiver_n a_o new_a glass_n viol._n capable_a of_o hold_v about_o 6_o or_o 7_o ounce_n of_o water_n into_o which_o we_o have_v before_o put_v 2_o or_o 3_o spoonful_n of_o that_o liquor_n and_o stop_v it_o close_o with_o a_o fit_a cork_n the_o pneumatical_a vessel_n be_v empty_v there_o appear_v not_o any_o change_n in_o the_o enclose_v water_n the_o air_n imprison_v with_o it_o not_o have_v the_o force_n to_o blow_v out_o the_o stopple_n which_o event_n though_o it_o be_v no_o other_o than_o we_o expect_v be_v differ_v from_o what_o we_o desire_v for_o we_o will_v glad_o have_v see_v what_o change_n will_v have_v appear_v in_o the_o water_n upon_o the_o bottle_n be_v sudden_o unstop_v in_o a_o place_n where_o the_o 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that_o without_o seal_v up_o the_o glass_n this_o experiment_n may_v be_v try_v in_o one_o of_o our_o small_a receiver_n for_o there_o the_o exsuction_n of_o the_o ambient_fw-la air_n may_v be_v perform_v so_o nimble_o that_o immediate_o the_o bubble_n lurk_v in_o the_o water_n be_v allow_v to_o display_v themselves_o and_o ascend_v in_o throng_n insomuch_o as_o have_v in_o such_o a_o receiver_n try_v the_o experiment_n with_o wine_n as_o a_o more_o spirituous_a liquor_n instead_o of_o water_n the_o red-wine_n appear_v all_o cover_v with_o a_o copious_a but_o vanish_v white_a froth_n almost_o as_o if_o a_o vessel_n full_a of_o bottled_a drink_n have_v be_v unwary_o open_v experiment_n xxix_o it_o may_v not_o a_o little_a conduce_v to_o the_o clear_a explication_n of_o divers_a point_n in_o the_o doctrine_n of_o meteor_n and_o perhaps_o of_o some_o other_o physiological_a difficulty_n to_o discover_v what_o the_o air_n do_v to_o the_o motion_n of_o those_o steam_n or_o exhalation_n that_o ascend_v into_o it_o namely_o whether_o they_o mount_v upward_o by_o virtue_n of_o any_o such_o positive_a levity_n as_o some_o peripatetic_n speak_v acquire_v together_o with_o their_o aërial_a nature_n as_o enable_v they_o to_o pierce_v through_o part_n of_o the_o atmosphere_n and_o overcome_v its_o resistance_n or_o else_o whether_o these_o steam_n be_v once_o raise_v above_o the_o earth_n by_o their_o agitation_n have_v their_o ascent_n and_o sustentation_n aloft_o rather_o promote_v than_o hinder_v by_o the_o air_n as_o the_o inferior_a part_n of_o that_o be_v thick_a and_o heavy_a than_o the_o superior_a the_o steam_n can_v more_o easy_o continue_v for_o a_o while_o their_o agitation_n upward_o than_o downward_o and_o afterward_o be_v by_o the_o same_o fluidity_n and_o thickness_n of_o the_o air_n carry_v to_o and_o fro_o in_o it_o and_o keep_v from_o relapse_v to_o the_o earth_n as_o in_o the_o sea-water_n the_o saline_a part_n be_v keep_v from_o subside_v by_o those_o aqueous_a one_o wherewith_o they_o be_v associate_v we_o hope_v to_o illustrate_v this_o matter_n by_o observe_v the_o motion_n of_o the_o smoke_n proceed_v from_o kindle_a or_o flame_a body_n in_o our_o exhaust_a receiver_n but_o as_o we_o former_o note_v upon_o the_o exsuction_n of_o the_o air_n the_o smoke_n of_o those_o body_n present_o cease_v we_o have_v thought_n also_o of_o convey_v into_o our_o pneumatical_a glass_n a_o hot_a iron_n with_o some_o body_n easy_a to_o be_v dissipate_v into_o smoke_n set_v upon_o it_o but_o consider_v that_o neither_o be_v that_o way_n free_a from_o inconvenience_n especial_o this_o that_o the_o hot_a body_n will_v make_v the_o imprison_v air_n circulate_a within_o the_o receiver_n and_o consequent_o make_v it_o questionable_a whether_o the_o ascent_n of_o the_o steam_n will_v not_o be_v due_a to_o the_o new_a and_o acquire_v motion_n of_o the_o air._n wherefore_o i_o bethink_v myself_o of_o another_o way_n to_o satisfy_v in_o some_o measure_n my_o curiosity_n to_o wit_n by_o mean_n of_o a_o certain_a liquor_n which_o i_o call_v to_o mind_n that_o some_o year_n ago_o i_o have_v for_o a_o design_n that_o belong_v not_o to_o our_o present_a purpose_n prepare_v which_o i_o suppose_v i_o show_v your_o lordship_n and_o which_o have_v the_o luck_n to_o be_v take_v notice_n of_o by_o divers_a very_o ingenious_a and_o famous_a men._n for_o this_o liquor_n though_o most_o of_o its_o ingredient_n be_v metal_n and_o all_o of_o they_o ponderous_a enough_o be_v yet_o of_o that_o nature_n that_o whilst_o the_o viol_n wherein_o it_o be_v keep_v be_v stop_v how_o slight_a a_o cover_n soever_o both_o the_o liquor_n and_o the_o glass_n be_v transparent_a and_o so_o be_v that_o upper_a half_n of_o the_o glass_n to_o which_o the_o liquor_n reach_v not_o but_o as_o soon_o as_o ever_o the_o stopple_n be_v take_v out_o and_o full_a access_n be_v give_v to_o the_o external_a air_n both_o the_o inward_a part_n of_o the_o cork_n and_o the_o liquor_n itself_o do_v present_o send_v upward_o and_o scatter_v abroad_o asume_v as_o thick_a and_o white_a as_o if_o there_o be_v a_o quantity_n of_o alabaster-dust_n throw_v up_o into_o the_o air_n and_o this_o smoke_n of_o the_o liquor_n last_v till_o my_o unwillingness_n to_o waste_v it_o invite_v i_o to_o stop_v it_o again_o and_o then_o the_o ascension_n of_o the_o fume_n sudden_o cease_v till_o the_o viol_n be_v again_o unstopped_a this_o fume_a liquor_n than_o i_o think_v will_v much_o conduce_v to_o the_o discovery_n i_o desire_v to_o make_v since_o it_o save_v i_o the_o need_n of_o convey_v any_o hot_a body_n with_o it_o into_o the_o receiver_n and_o will_v not_o darken_v it_o with_o fume_n before_o the_o time_n wherefore_o have_v tie_v to_o the_o viol_n a_o great_a weight_n of_o lead_n to_o keep_v it_o from_o be_v
lift_v up_o by_o the_o draw_v out_o of_o the_o cork_n and_o have_v tie_v to_o the_o stopple_n one_o end_n of_o a_o string_n of_o which_o the_o other_o end_n be_v make_v fast_o to_o the_o cover_n of_o the_o pneumatical_a glass_n the_o liquor_n be_v careful_o close_v up_o after_o the_o wont_a manner_n then_o the_o air_n be_v diligent_o pump_v out_o the_o viol_n be_v unstopped_a in_o the_o empty_v receiver_n and_o though_o immediate_o upon_o the_o draw_v out_o of_o the_o cork_n there_o appear_v to_o be_v as_o it_o be_v throw_v up_o some_o white_a fume_n which_o seem_v to_o proceed_v from_o the_o air_n before_o imprison_v in_o the_o viol_n and_o diffuse_v itself_o sudden_o into_o the_o capacity_n of_o the_o receiver_n yet_o we_o afterward_o observe_v as_o we_o expect_v that_o the_o fume_n do_v not_o amount_v and_o disperse_v themselves_o as_o they_o use_v to_o do_v in_o the_o open_a air_n but_o that_o when_o by_o reason_n of_o the_o agitation_n of_o the_o corpuscle_n of_o the_o liquor_n which_o can_v not_o continue_v their_o motion_n in_o so_o narrow_a a_o space_n as_o the_o viol_n afford_v they_o and_o be_v therefore_o reduce_v to_o thrust_v one_o another_o out_o of_o it_o when_o i_o say_v by_o these_o assistance_n the_o fume_n be_v ascend_v to_o the_o lip_n of_o the_o viol_n they_o mount_v no_o high_o but_o run_v down_o along_o the_o outside_n of_o the_o viol_n to_o the_o bottom_n of_o it_o and_o thence_o along_o a_o long_a and_o incline_a piece_n of_o lead_n on_o which_o the_o viol_n rest_v like_o a_o little_a stream_n not_o very_o much_o big_a than_o a_o swan_n quill_n who_o nature_n they_o seem_v to_o emulate_v so_o well_o that_o it_o quit_v not_o the_o viol_n till_o it_o be_v come_v to_o the_o bottom_n of_o it_o and_o then_o forsake_v it_o in_o such_o a_o manner'a_fw-fr as_o stream_n of_o water_n of_o the_o same_o bigness_n will_v have_v do_v and_o this_o stream_n last_v a_o pretty_a while_n and_o will_v probable_o have_v last_v long_o but_o that_o be_v loath_a to_o waste_v my_o liquor_n i_o let_v in_o at_o the_o stop-cock_n a_o pretty_a deal_n of_o the_o external_a air_n notwithstanding_o which_o find_v after_o a_o while_n that_o the_o stream_n do_v run_v afresh_o though_o as_o it_o seem_v not_o altogether_o so_o copious_a as_o before_o i_o let_v as_o much_o more_o air_n as_o will_v come_v in_o and_o find_v somewhat_o to_o my_o wonder_n that_o though_o the_o stream_n former_o mention_v disappeared_a yet_o there_o appear_v not_o any_o white_a fume_n to_o arise_v either_o from_o the_o cork_n or_o out_o of_o the_o viol_n itself_o no_o not_o when_o the_o cover_n be_v remove_v from_o the_o receiver_n though_o not_o only_o after_o a_o while_n there_o ascend_v white_a fume_n from_o the_o receiver_n but_o have_v forthwith_o take_v out_o the_o viol_n into_o the_o open_a air_n it_o emit_v white_a exhalation_n as_o before_o and_o have_v present_o after_o unstopped_a it_o in_o a_o open_a window_n we_o find_v both_o it_o and_o the_o cork_n immediate_o to_o send_v forth_o a_o yet_o much_o more_o plentiful_a smoke_n though_o it_o be_v now_o divers_a year_n since_o this_o numerical_a liquor_n be_v prepare_v after_o the_o manner_n mention_v either_o by_o carneiade_n or_o eleutherius_fw-la for_o i_o do_v not_o well_o remember_v which_o in_o those_o dialogue_n concern_v heat_n and_o flame_n that_o have_v above_o be_v mention_v more_o circumstance_n concern_v these_o fume_n we_o may_v have_v observe_v have_v we_o not_o be_v deter_v by_o a_o indisposition_n in_o point_n of_o health_n from_o have_v much_o to_o do_v with_o steam_n of_o so_o dangerous_a a_o nature_n as_o by_o that_o of_o the_o ingredient_n of_o this_o liquor_n these_o seem_v likely_a to_o be_v of_o the_o reflection_n that_o may_v be_v make_v upon_o this_o experiment_n we_o have_v not_o now_o the_o leisure_n to_o prosecute_v and_o therefore_o shall_v content_v ourselves_o to_o recommend_v the_o several_a circumstance_n of_o it_o to_o your_o lordship_n serious_a consideration_n and_o to_o take_v notice_n en_fw-fr passant_a that_o steam_v in_o a_o ambient_fw-la body_n or_o a_o medium_n thin_a than_o themselves_o may_v both_o tend_v downward_o and_o otherwise_o emulate_v the_o nature_n of_o a_o liquor_n which_o i_o therefore_o point_n at_o that_o it_o may_v appear_v the_o less_o strange_a if_o we_o sometime_o speak_v of_o the_o atmosphere_n as_o of_o a_o kind_n of_o liquor_n in_o comparison_n of_o that_o more_o thin_a and_o subtle_a celestial_a matter_n that_o surround_v it_o and_o though_o it_o may_v perchance_o suffice_v to_o have_v on_o this_o occasion_n intimate_v thus_o much_o yet_o lest_o this_o way_n of_o speak_v of_o the_o atmosphere_n shall_v be_v think_v too_o bold_a and_o extravagant_a i_o be_o content_a to_o borrow_v a_o experiment_n of_o the_o discourse_n former_o mention_v touch_v fluidity_n and_o firmness_n and_o subjoin_v it_o here_o with_o alteration_n suitable_a to_o the_o contrivance_n of_o our_o engine_n and_o this_o the_o rather_o because_o i_o hope_v it_o may_v conduce_v to_o the_o discovery_n of_o the_o nature_n of_o the_o atmosphere_n for_o which_o reason_n it_o may_v have_v be_v annex_v to_o what_o have_v be_v note_v either_o upon_o the_o first_o or_o eighteen_o experiment_n but_o that_o when_o they_o be_v write_v and_o send_v away_o it_o come_v not_o into_o my_o mind_n the_o experiment_n then_o as_o we_o try_v in_o our_o engine_n be_v as_o follow_v experiment_n xxx_o we_o take_v one_o of_o the_o small_a receiver_n often_o mention_v already_o and_o into_o it_o we_o convey_v a_o piece_n of_o well_o light_v match_n and_o let_v it_o remain_v there_o till_o it_o have_v fill_v the_o receiver_n with_o smoke_n we_o take_v it_o out_o and_o hasty_o close_v again_o the_o receiver_n that_o the_o smoke_n may_v not_o get_v away_o then_o stay_v awhile_o to_o let_v these_o fume_n leisurely_o subside_o we_o find_v as_o we_o expect_v that_o after_o some_o time_n they_o settle_v themselves_o in_o the_o low_a half_o of_o the_o receiver_n in_o a_o darkish_a body_n leave_v the_o upper_a half_n of_o the_o receiver_n transparent_a and_o as_o to_o sight_n full_a of_o nought_o but_o clear_a air._n now_o to_o manifest_v that_o this_o smoke_n thus_o settle_v emulate_v a_o liquor_n we_o incline_v the_o engine_n that_o contain_v it_o sometime_o to_o one_o side_n and_o sometime_o to_o the_o other_o and_o observe_v the_o smoke_n to_o keep_v its_o surface_n almost_o horizontal_a notwithstanding_o the_o stoop_n of_o the_o vessel_n that_o hold_v it_o as_o water_n or_o another_o liquor_n will_v in_o the_o like_a case_n have_v do_v and_o if_o by_o a_o quick_a rock_n of_o the_o engine_n the_o smoke_n be_v more_o swift_o shake_v it_o will_v like_o water_n either_o vibrate_v to_o and_o fro_o from_o one_o side_n to_o the_o other_o of_o the_o glass_n or_o else_o have_v its_o surface_n manifest_o curl_v with_o wave_n but_o preserve_v its_o self_n in_o a_o entire_a and_o distinct_a body_n from_o the_o incumbent_a air_n and_o be_v permit_v to_o rest_v a_o while_n will_v soon_o recover_v its_o former_a smooth_a and_o level_a superficies_n if_o also_o the_o key_n be_v turn_v and_o the_o valve_n unstop_v so_o that_o there_o be_v a_o free_a though_o but_o a_o narrow_a passage_n open_v betwixt_o the_o external_a air_n and_o the_o cavity_n of_o the_o receiver_n then_o will_v some_o of_o this_o smoke_n fall_v down_o as_o it_o be_v in_o a_o stream_n into_o the_o subjacent_a cylinder_n and_o a_o proportionate_a quantity_n of_o the_o outward_a air_n will_v manifest_o ascend_v through_o it_o into_o the_o incumbent_a air_n much_o after_o the_o same_o manner_n as_o if_o you_o invert_v a_o viol_n with_o a_o long_a neck_n and_o well_o fill_v with_o red-wine_n into_o a_o glass_n full_a of_o fair_a water_n you_o shall_v see_v the_o water_n and_o wine_n by_o degree_n mingle_v with_o one_o another_o the_o one_o fall_v down_o as_o it_o be_v in_o little_a colour_a stream_n and_o the_o other_o ascend_v in_o its_o room_n in_o the_o like_a curl_a stream_n sometime_o precede_v by_o round_a parcel_n of_o water_n which_o by_o reason_n of_o their_o transparency_n look_v almost_o like_a bubble_n the_o other_o circumstance_n of_o this_o experiment_n belong_v not_o all_o of_o they_o to_o our_o present_a purpose_n we_o shall_v content_v ourselves_o with_o take_v notice_n of_o one_o which_o seem_v the_o most_o important_a and_o may_v illustrate_v and_o confirm_v some_o thing_n former_o deliver_v and_o it_o be_v that_o if_o when_o the_o superficies_n of_o our_o smoke_n lie_v smooth_a and_o horizontal_a a_o hot_a iron_n be_v hold_v near_o the_o outside_n of_o the_o receiver_n the_o neighbour_a part_n of_o the_o include_v fume_n for_o the_o rest_n do_v not_o very_o much_o alter_v their_o former_a superficies_n be_v rarify_v by_o the_o heat_n will_v ready_o
ascend_v in_o a_o large_a pillar_n of_o smoke_n to_o the_o very_a top_n of_o the_o receiver_n yet_o without_o seem_v to_o lose_v a_o distinct_a superficies_n or_o to_o be_v confound_v with_o air_n below_o which_o upon_o the_o recess_n of_o the_o adventitious_a heat_n that_o by_o agitate_v it_o impel_v it_o upward_o it_o will_v again_o subside_o all_o which_o be_v add_v to_o the_o late_a experiment_n of_o the_o smoke_a liquor_n and_o to_o what_o may_v be_v from_o that_o which_o have_v be_v elsewhere_o say_v gather_v to_o the_o same_o purpose_n will_n i_o hope_v keep_v it_o at_o least_o from_o appear_v absurd_a if_o since_o we_o see_v that_o there_o be_v so_o great_a a_o inequality_n in_o the_o density_n and_o weight_n of_o liquor_n that_o water_n be_v near_o fourteen_o time_n thin_a or_o light_a than_o quicksilver_n of_o the_o same_o bulk_n and_o well_o dephlegm_v spirit_n of_o wine_n yet_o much_o light_a than_o water_n we_o venture_v to_o speak_v sometime_o of_o the_o atmosphere_n as_o if_o it_o be_v a_o peculiar_a kind_n of_o thin_a and_o halitious_a liquor_n if_o i_o may_v so_o call_v it_o much_o light_a than_o spirit_n of_o wine_n to_o these_o thing_n i_o know_v not_o whether_o it_o will_v be_v requisite_a to_o add_v that_o as_o we_o late_o take_v notice_n of_o conspicuous_a wave_n that_o appear_v upon_o the_o superficies_n of_o our_o agitate_a smoke_n so_o some_o such_o thing_n may_v not_o absurd_o be_v conjecture_v to_o happen_v on_o the_o superficies_n of_o the_o atmosphere_n by_o those_o strange_a ruggedness_n that_o appear_v especial_o in_o the_o spring_n and_o fall_v when_o exhalation_n and_o vapour_n be_v wont_a to_o ascend_v most_o plentiful_o upon_o the_o limb_n or_o edge_n of_o the_o rise_n and_o set_v sun_n i_o speak_v thus_o disfident_o upon_o this_o occasion_n because_o i_o know_v that_o by_o the_o fluctuation_n or_o boil_a of_o the_o sun_n own_o superficies_n divers_a eminent_a mathematician_n have_v plausible_o enough_o but_o how_o true_o i_o leave_v your_o lordship_n to_o judge_v endeavour_v to_o give_v a_o account_n of_o it_o but_o if_o we_o will_v join_v with_o those_o that_o have_v ascribe_v of_o late_a this_o phaenomenon_n to_o the_o refraction_n the_o sunbeam_n suffer_v in_o our_o vapid_a air_n we_o may_v as_o have_v be_v intimate_v promote_v their_o doctrine_n by_o deduce_v from_o it_o that_o probable_o the_o surface_n of_o the_o atmosphere_n be_v oftentimes_o if_o not_o always_o exceed_o curl_v or_o wave_v and_o certain_o it_o be_v somewhat_o wonderful_a as_o well_o as_o very_o pleasant_a to_o behold_v how_o to_o he_o that_o look_v upon_o the_o set_a sun_n through_o a_o long_a and_o excellent_a telescope_n there_o will_v not_o only_o appear_v strange_a inequality_n in_o the_o edge_n of_o it_o insomuch_o that_o i_o have_v often_o see_v it_o more_o indent_v than_o a_o see_v but_o those_o inequality_n will_v vanish_v in_o one_o place_n and_o present_o appear_v in_o another_o and_o seem_v perfect_o to_o move_v like_o wave_n succeed_v and_o destroy_v one_o another_o save_v that_o their_o motion_n oftentimes_o seem_v to_o be_v quick_a as_o if_o in_o that_o vast_a sea_n they_o be_v carry_v on_o by_o a_o current_n or_o at_o least_o by_o a_o tide_n and_o this_o as_o we_o elsewhere_o note_v appear_v to_o the_o eye_n not_o only_a when_o it_o look_v direct_o through_o the_o telescope_n upon_o the_o sun_n but_o also_o when_o a_o large_a and_o well_o define_v image_n of_o the_o sun_n be_v by_o the_o same_o telescope_n bring_v into_o a_o room_n and_o cast_v upon_o a_o sheet_n of_o white_a paper_n but_o to_o insist_v on_o this_o be_v to_o digress_v and_o therefore_o i_o will_v proceed_v to_o experiment_n of_o another_o kind_n experiment_n xxxi_o it_o have_v be_v admire_v by_o very_o ingenious_a man_n that_o if_o the_o exquisite_o polish_a surface_n of_o two_o flat_a piece_n of_o marble_n be_v so_o congruous_a to_o each_o other_o that_o from_o their_o mutual_a application_n there_o will_v result_v a_o immediate_a contact_n they_o will_v stick_v so_o fast_o together_o that_o he_o that_o lift_v up_o the_o uppermost_a shall_v if_o the_o undermost_a be_v not_o exceed_v heavy_a lift_v up_o that_o too_o and_o sustain_v it_o alost_a in_o the_o free_a air._n a_o probable_a cause_n of_o this_o so_o close_a adhesion_n we_o have_v elsewhere_o endeavour_v to_o deduce_v from_o the_o unequal_a pressure_n of_o the_o air_n upon_o the_o undermost_a stone_n for_o the_o low_a superficies_n of_o that_o stone_n be_v free_o expose_v to_o the_o air_n be_v press_v upon_o by_o it_o whereas_o the_o uppermost_a surface_n be_v contiguous_a to_o the_o superior_a stone_n be_v thereby_o defend_v from_o the_o pressure_n of_o the_o air_n which_o consequent_o press_v the_o low_a stone_n against_o the_o upper_a hinder_v it_o from_o fall_v as_o we_o have_v elsewhere_o more_o full_o declare_v upon_o these_o ground_n we_o conjecture_v that_o in_o case_n we_o can_v procure_v two_o marble_n exact_o grind_v to_o one_o another_o and_o in_o case_n we_o can_v also_o sufficient_o evacuate_v our_o receiver_n the_o low_a stone_n will_v for_o want_v of_o the_o wont_a and_o sustain_a pressure_n of_o the_o air_n fall_v from_o the_o upper_a but_o the_o far_a trial_n of_o this_o experiment_n we_o must_v unless_o your_o lordship_n think_v it_o worth_a your_o make_n at_o paris_n put_v off_o till_o a_o fit_a opportunity_n for_o where_o we_o now_o be_v we_o can_v procure_v marble_n so_o exact_o ground_n that_o they_o will_v sustain_v one_o another_o in_o the_o air_n above_o a_o minute_n or_o two_o which_o be_v a_o much_o short_a time_n than_o the_o empty_n of_o our_o receiver_n require_v we_o do_v indeed_o try_v to_o make_v our_o marble_n stick_v close_o together_o by_o moisten_v their_o polish_a surface_n with_o rectify_v spirit_n of_o wine_n in_o regard_n that_o liquor_n by_o its_o sudden_a avolation_n from_o marble_n if_o pour_v thereon_o without_o leave_v it_o moist_a or_o less_o smooth_a seem_v unable_a to_o 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neck_n they_o be_v careful_o fasten_v with_o cement_n and_o then_o both_o the_o viol_n and_o the_o pipe_n be_v which_o be_v not_o do_v without_o difficulty_n total_o fill_v with_o water_n the_o siphon_n describe_v in_o the_o five_o figure_n be_v place_v with_o its_o short_a leg_n in_o the_o glass_n of_o water_n as_o former_o and_o the_o experiment_n be_v prosecute_v after_o the_o same_o manner_n much_o more_o air_n than_o former_o be_v draw_v out_o before_o the_o bubble_n disclose_v themselves_o in_o the_o water_n be_v able_a to_o disturb_v the_o experiment_n because_o that_o in_o the_o capacity_n of_o the_o viol_n there_o be_v room_n enough_o for_o they_o to_o stretch_v themselves_o without_o depress_v the_o water_n below_o the_o end_n of_o the_o pipe_n and_o during_o this_o time_n the_o water_n continue_v to_o drop_v out_o of_o the_o propend_a leg_n of_o the_o siphon_n but_o at_o length_n the_o receiver_n be_v very_o much_o empty_v the_o passage_n of_o the_o water_n through_o the_o 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the_o water_n and_o to_o satisfy_v i_o that_o he_o mis-related_n not_o the_o experiment_n he_o soon_o after_o bring_v two_o or_o three_o small_a pipe_n of_o glass_n which_o give_v i_o the_o opportunity_n of_o try_v it_o though_o i_o have_v the_o less_o reason_n to_o distrust_v it_o because_o i_o remember_v i_o have_v often_o in_o the_o long_a and_o slender_a pipe_n of_o some_o weather_n glass_n which_o i_o have_v cause_v to_o be_v make_v after_o a_o somewhat_o peculiar_a fashion_n take_v notice_n of_o the_o like_a ascension_n of_o the_o liquor_n though_o presume_v it_o may_v be_v casual_a i_o have_v make_v but_o little_a reflection_n upon_o it_o but_o after_o this_o trial_n begin_v to_o suppose_v that_o though_o the_o water_n in_o these_o pipe_n that_o be_v bring_v i_o rise_v not_o above_o a_o quarter_n of_o a_o inch_n if_o near_o so_o high_a yet_o if_o the_o pipe_n be_v make_v slender_a enough_o the_o water_n may_v rise_v to_o a_o very_a much_o great_a height_n i_o cause_v several_a 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be_v wet_v beforehand_o the_o water_n will_v rise_v much_o better_a than_o otherways_o but_o we_o cause_v not_o all_o our_o slender_a pipe_n to_o be_v make_v straight_o but_o some_o of_o they_o crooked_a like_o siphons_n and_o have_v immerse_v the_o short_a leg_n of_o one_o of_o these_o into_o a_o glass_n that_o hold_v some_o fair_a water_n we_o find_v as_o we_o expect_v that_o the_o water_n arise_v to_o the_o top_n of_o the_o siphon_n though_o that_o be_v high_a enough_o do_v of_o itself_o run_v down_o the_o long_a leg_n and_o continue_v run_v like_o a_o ordinary_a siphon_n the_o cause_n of_o this_o ascension_n of_o the_o water_n appear_v to_o all_o that_o be_v present_a so_o difficult_a that_o i_o must_v not_o stay_v to_o enumerate_v the_o various_a conjecture_n that_o be_v make_v at_o it_o much_o less_o to_o examine_v they_o especial_o have_v nothing_o but_o bare_a conjecture_n to_o substitute_n in_o the_o room_n of_o those_o i_o do_v not_o approve_v we_o try_v indeed_o by_o 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and_o that_o in_o the_o abdomen_fw-la but_o this_o conjecture_n may_v be_v far_o consider_v beside_o to_o show_v that_o the_o animal_n that_o die_v in_o our_o glass_n need_v not_o be_v suppose_v to_o have_v be_v kill_v by_o the_o want_n of_o air_n we_o foresee_v another_o argument_n that_o we_o must_v deal_v so_o ingenious_o with_o your_o lordship_n as_o not_o to_o conceal_v you_o very_o well_o know_v that_o beside_o the_o generality_n of_o the_o school_n there_o be_v many_o new_a philosopher_n who_o though_o they_o dissent_v from_o the_o old_a peripatetic_n in_o other_o thing_n do_v as_o they_o deny_v the_o possibility_n of_o a_o vacuum_n and_o hold_v that_o those_o space_n which_o be_v devoid_a of_o air_n and_o other_o grosser_n body_n be_v all_o of_o they_o exact_o replenish_v with_o a_o certain_a etherial_a matter_n so_o thin_a and_o subtle_a that_o it_o can_v free_o permeate_n the_o pore_n of_o the_o compactedst_a and_o close_a body_n and_o even_o of_o glass_n itself_o now_o some_o of_o those_o naturalist_n that_o be_v of_o this_o persuasion_n may_v object_v that_o the_o animal_n that_o die_v in_o our_o receiver_n do_v so_o not_o so_o much_o for_o lack_v of_o air_n as_o by_o reason_n that_o the_o air_n that_o be_v pump_v out_o be_v necessary_o succeed_v by_o a_o etherial_a substance_n which_o consist_v of_o part_n vehement_o agitate_a and_o so_o very_o small_a as_o without_o resistance_n to_o pass_v in_o and_o out_o through_o the_o very_a pore_n of_o glass_n it_o may_v well_o be_v suppose_v that_o a_o considerable_a quantity_n of_o this_o restless_a and_o subtle_a matter_n meet_v together_o in_o the_o receiver_n with_o the_o excessive_a heat_n of_o it_o may_v be_v quick_o able_a to_o destroy_v a_o little_a animal_n or_o at_o least_o make_v the_o air_n too_o intemperate_o hot_a to_o be_v fit_a for_o respiration_n but_o though_o this_o be_v a_o difficulty_n not_o so_o easy_o to_o be_v resolve_v without_o the_o assistance_n of_o our_o engine_n yet_o i_o 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matter_n of_o this_o nature_n because_o i_o think_v it_o high_a time_n to_o proceed_v to_o the_o consideration_n of_o the_o principal_a subject_n of_o our_o engine_n namely_o the_o use_n of_o respiration_n or_o rather_o the_o use_n of_o the_o air_n in_o respiration_n for_o whereas_o of_o the_o divers_a use_n of_o it_o mention_v by_o anatomist_n the_o most_o such_o as_o the_o production_n and_o modulation_n of_o the_o voice_n by_o the_o elision_n of_o the_o air_n the_o larynx_n etc._n etc._n the_o expulsion_n of_o excrement_n by_o cough_n the_o convey_n in_o of_o odour_n by_o inspiration_n and_o some_o other_o rather_o convenient_a for_o the_o well_o be_v of_o a_o animal_n than_o absolute_o necessary_a to_o his_o life_n whereas_o i_o say_v the_o other_o use_n be_v such_o as_o we_o have_v say_v the_o great_a hypocrates_n himself_o give_v this_o notable_a testimony_n to_o the_o use_n of_o the_o air_n as_o to_o animal_n endow_v with_o lung_n mortalibus_fw-la say_v he_o hic_fw-la spiritus_fw-la tum_fw-la aquavitae_fw-la tum_fw-la morborum_fw-la aegrotis_fw-la causa_fw-la est_fw-la tantáque_fw-la corporibus_fw-la omnibus_fw-la spiritûs_fw-la inest_fw-la necessitas_fw-la ut_fw-la fiquidem_fw-la aliis_fw-la omnibus_fw-la &_o cibis_fw-la &_o potionibus_fw-la quis_fw-la abstineat_fw-la duos_fw-la tamen_fw-la aut_fw-la tres_fw-la vel_fw-la plures_fw-la dies_fw-la possit_fw-la vitam_fw-la ducere_fw-la at_o si_fw-la quis_fw-la spiritus_fw-la in_o corpus_fw-la vias_fw-la intercipiat_fw-la vel_fw-la exiguâ_fw-la diei_fw-la parte_fw-la homini_fw-la pereundum_fw-la fit_n adeo_fw-la necessarius_fw-la est_fw-la usus_fw-la spiritûs_fw-la in_o corpore_fw-la ad_fw-la haec_fw-la quoque_fw-la quum_fw-la omnibus_fw-la aliis_fw-la actionibus_fw-la homines_fw-la quiescant_fw-la quod_fw-la mutationibus_fw-la innumeris_fw-la vita_fw-la sit_fw-la exposita_fw-la ab_fw-la hâc_fw-la tamen_fw-la solâ_fw-la actione_n nunquam_fw-la desistant_fw-la animantia_fw-la quin_fw-la aut_fw-la spiritum_fw-la adducant_fw-la aut_fw-la reddant_fw-la but_o touch_v the_o account_n upon_o which_o the_o inspiration_n and_o expiration_n of_o air_n both_o which_o be_v comprehend_v in_o 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d respiration_n be_v so_o necessary_a to_o life_n both_o naturalist_n and_o physician_n do_v so_o disagree_v that_o it_o will_v be_v very_o difficult_a either_o to_o reconcile_v their_o opinion_n or_o determine_v their_o controversy_n for_o first_o many_o there_o be_v who_o think_v the_o chief_a if_o not_o sole_a use_v of_o respiration_n to_o be_v the_o cool_a and_o temper_v of_o that_o heat_n in_o the_o heart_n and_o blood_n which_o otherwise_o will_v be_v immoderate_a and_o this_o opinion_n not_o only_o seem_v to_o be_v most_o receive_v among_o scholastic_a writer_n but_o divers_a of_o the_o new_a philosopher_n cartesian_n and_o other_o admit_v with_o some_o variation_n teach_v that_o the_o air_n be_v necessary_a by_o its_o coldness_n to_o condense_a the_o blood_n that_o pass_v out_o of_o the_o right_a ventricle_n of_o the_o heart_n into_o the_o lung_n that_o thereby_o it_o may_v contain_v such_o a_o consistence_n as_o be_v requisite_a to_o make_v it_o fit_a fuel_n for_o the_o vital_a fire_n or_o flame_n in_o the_o left_a ventricle_n of_o the_o heart_n and_o this_o opinion_n seem_v favour_v by_o this_o that_o fish_n and_o other_o cold_a creature_n who_o heart_n have_v but_o one_o cavity_n be_v also_o unprovided_a of_o lung_n and_o by_o some_o other_o consideration_n but_o though_o it_o need_v not_o be_v deny_v that_o the_o inspire_v air_n may_v sometime_o be_v of_o use_n by_o refrigerate_v the_o heart_n yet_o against_o the_o opinion_n that_o make_v this_o refrigeration_n the_o most_o genuine_a and_o constant_a use_n of_o the_o air_n it_o may_v be_v object_v that_o divers_a cold_a creature_n some_o of_o which_o as_o particular_o frog_n live_v in_o the_o water_n have_v yet_o need_v of_o respiration_n which_o seem_v not_o likely_a to_o be_v need_v for_o 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be_v wont_a to_o be_v employ_v in_o such_o distemper_n that_o nature_n may_v much_o better_o have_v give_v the_o heart_n but_o a_o
moderate_a heat_n than_o such_o a_o excessive_a one_o as_o needs_o to_o be_v perpetual_o cool_v to_o keep_v it_o from_o grow_v destructive_a which_o the_o gentle_a and_o not_o the_o burn_a heat_n of_o a_o animal_n heart_n seem_v not_o intense_a enough_o so_o indispensable_o to_o require_v these_o and_o other_o objection_n may_v be_v oppose_v and_o press_v against_o the_o recite_v opinion_n but_o we_o shall_v not_o insist_v on_o they_o but_o only_o add_v to_o they_o that_o it_o appear_v not_o by_o our_o forego_v experiment_n i_o mean_v the_o 38_o and_o 39_o that_o in_o our_o exhaust_a receiver_n where_o yet_o animal_n die_v so_o sudden_o for_o want_v of_o respiration_n the_o ambient_fw-la body_n be_v sensible_o hot_a than_o the_o common_a air._n other_o learned_a man_n there_o be_v who_o will_v have_v the_o very_a substance_n of_o the_o air_n to_o get_v in_o by_o the_o vessel_n of_o the_o lung_n to_o the_o left_a ventricle_n of_o the_o heart_n not_o only_o to_o temper_v its_o heat_n but_o to_o provide_v for_o the_o generation_n of_o spirit_n and_o these_o allege_v for_o themselves_o the_o authority_n of_o the_o ancient_n among_o who_o hypocrates_n seem_v manifest_o to_o favour_v their_o opinion_n and_o both_o aristotle_n and_o galen_n do_v sometime_o for_o methinks_v they_o speak_v doubtful_o enough_o appear_v inclineable_a to_o it_o but_o for_o aught_o ever_o i_o can_v see_v in_o dissection_n it_o be_v very_o difficult_a to_o make_v out_o how_o the_o air_n be_v convey_v into_o the_o left_a ventricle_n of_o the_o heart_n especial_o the_o systole_n and_o diastole_n of_o the_o heart_n and_o lung_n be_v very_o far_o from_o be_v synchronical_a beside_o that_o the_o spirit_n seem_v to_o be_v but_o the_o most_o subtle_a and_o unctuous_a particle_n of_o the_o blood_n appear_v to_o be_v of_o a_o very_a differ_a nature_n from_o that_o of_o the_o lean_a and_o incombustible_a corpuscle_n of_o air._n other_o objection_n against_o this_o opinion_n have_v be_v propose_v and_o press_v by_o that_o excellent_a anatomist_n and_o my_o industrious_a friend_n dr._n highmore_n to_o who_o i_o shall_v therefore_o refer_v you_o another_o opinion_n there_o be_v touch_v respiration_n which_o make_v the_o genuine_a use_n of_o it_o to_o be_v ventilation_n not_o of_o the_o heart_n but_o of_o the_o blood_n in_o its_o passage_n through_o the_o lung_n in_o which_o passage_n it_o be_v disburdened_n of_o those_o excrementitious_a steam_n proceed_v for_o the_o most_o part_n from_o the_o superfluous_a serosity_n of_o the_o blood_n we_o may_v add_v and_o of_o the_o chyle_n too_o which_o by_o those_o new_a conduit_n of_o late_a very_o happy_o detect_v by_o the_o famous_a pecquet_n have_v be_v new_o mix_v with_o it_o in_o the_o heart_n and_o this_o opinion_n be_v that_o of_o the_o industrious_a maebius_n and_o be_v say_v to_o have_v be_v that_o of_o that_o excellent_a philosopher_n gassendus_fw-la and_o have_v be_v in_o part_n a_o opinion_n almost_o vulgar_a but_o this_o hypothesis_n may_v be_v explicate_v two_o way_n for_o first_o the_o necessity_n of_o the_o air_n in_o respiration_n may_v be_v suppose_v to_o proceed_v from_o hence_o that_o as_o a_o flame_n can_v long_o burn_v in_o a_o narrow_a and_o close_a place_n because_o the_o fuliginous_a steam_n it_o incessant_o throw_v out_o can_v be_v long_o receive_v into_o the_o ambient_fw-la body_n which_o after_o a_o while_n grow_v too_o full_a of_o they_o to_o admit_v any_o more_o stifle_v the_o flame_n so_o that_o the_o vital_a fire_n in_o the_o heart_n require_v a_o ambient_fw-la body_n of_o a_o yield_a nature_n to_o receive_v into_o it_o the_o superfluous_a serosity_n and_o other_o recrement_n of_o the_o blood_n who_o seasonable_a expulsion_n be_v requisite_a to_o depurate_a the_o mass_n of_o blood_n and_o make_v it_o fit_a both_o to_o circulate_v and_o to_o maintain_v the_o vital_a heat_n reside_v in_o the_o heart_n the_o other_o way_n of_o explicate_v the_o abovementioned_a hypothesis_n be_v by_o suppose_v that_o the_o air_n do_v not_o only_o as_o a_o receptacle_n admit_v into_o its_o pore_n the_o excrementitious_a vapour_n of_o the_o blood_n when_o they_o be_v expel_v through_o the_o windpipe_n but_o do_v also_o convey_v they_o out_o of_o the_o lung_n in_o regard_n that_o the_o inspire_a air_n reach_v to_o all_o the_o end_n of_o the_o aspera_fw-la ateria_fw-la do_v there_o associate_v itself_o with_o the_o exhalation_n of_o the_o circulate_v blood_n and_o when_o it_o be_v explode_v carry_v they_o away_o with_o itself_o as_o we_o see_v that_o wind_n speedy_o dry_v up_o the_o surface_n of_o wet_a body_n not_o to_o say_v any_o thing_n of_o what_o we_o former_o observe_v touch_v our_o liquor_n who_o fume_n be_v strange_o elevate_v upon_o the_o ingress_n of_o the_o air._n now_o of_o these_o two_o way_n of_o explicate_v the_o use_n of_o respiration_n our_o engine_n afford_v we_o this_o objection_n against_o the_o first_o that_o upon_o the_o exsuction_n of_o the_o air_n the_o animal_n die_v a_o great_a deal_n soon_o than_o if_o it_o be_v leave_v in_o the_o vessel_n though_o by_o that_o exsuction_n the_o ambient_fw-la space_n be_v leave_v much_o more_o free_a to_o receive_v the_o steam_n that_o be_v either_o breathe_v out_o of_o the_o lung_n of_o the_o animal_n or_o discharge_v by_o insensible_a transpiration_n through_o the_o pore_n of_o his_o skin_n but_o if_o the_o hypothesis_n propose_v be_v take_v in_o the_o other_o sense_n it_o seem_v congruous_a enough_o to_o that_o grand_a observation_n which_o partly_o the_o phaenomena_n of_o our_o engine_n and_o partly_o the_o relation_n of_o traveller_n have_v suggest_v to_o we_o namely_o that_o there_o be_v a_o certain_a consistence_n of_o air_n requisite_a to_o respiration_n so_o that_o if_o it_o be_v too_o thick_a and_o already_o overcharge_v with_o vapour_n it_o will_v be_v unfit_a to_o unite_v with_o and_o carry_v off_o those_o of_o the_o blood_n as_o water_n will_v dissolve_v and_o associate_v to_o itself_o but_o a_o certain_a proportion_n of_o saline_a corpuscle_n and_o if_o it_o be_v too_o thin_a or_o rarefy_a the_o number_n or_o size_n of_o the_o aërial_a particle_n be_v too_o small_a to_o be_v able_a to_o assume_v and_o carry_v off_o the_o halituous_a excrement_n of_o the_o blood_n in_o such_o plenty_n as_o be_v requisite_a now_o that_o air_n too_o much_o thicken_v and_o as_o it_o be_v clog_v with_o steam_n be_v unfit_a for_o respiration_n may_v appear_v by_o what_o be_v wont_a to_o happen_v in_o the_o lead-mine_n of_o devonshire_n and_o for_o aught_o i_o know_v in_o those_o too_o of_o other_o country_n though_o i_o have_v see_v mine_n where_o no_o such_o thing_n be_v complain_v of_o for_o i_o have_v be_v inform_v by_o more_o than_o one_o credible_a person_n and_o particular_o by_o a_o ingenious_a man_n that_o have_v often_o for_o curiosity_n dig_v in_o those_o mine_n and_o be_v employ_v about_o they_o that_o there_o often_o rise_v damp_n as_o retain_v the_o german_a word_n by_o which_o we_o call_v they_o which_o do_v so_o thicken_v the_o air_n that_o unless_o the_o workman_n speedy_o make_v sign_n to_o they_o that_o be_v above_o they_o will_v which_o also_o sometime_o happen_v be_v present_o stifle_v for_o want_n of_o breath_n and_o though_o their_o companion_n do_v make_v haste_n to_o draw_v they_o up_o yet_o frequent_o by_o that_o time_n they_o come_v to_o the_o free_a air_n they_o be_v as_o it_o be_v in_o a_o swoon_n and_o be_v a_o good_a while_n before_o they_o come_v to_o themselves_o again_o and_o that_o this_o swoon_v seem_v not_o to_o proceed_v from_o any_o arsenical_a or_o poisonous_a exhalation_n contain_v in_o the_o damp_n as_o from_o its_o overmuch_o condense_v the_o air_n seem_v probable_a from_o hence_o that_o the_o same_o damp_n oftentimes_o leisurely_o extinguish_v the_o flame_n of_o their_o candle_n or_o lamp_n and_o from_o hence_o also_o that_o it_o appear_v by_o many_o relation_n of_o authentical_a author_n that_o in_o those_o cellar_n where_o great_a store_n of_o new_a wine_n be_v set_v to_o work_v man_n have_v be_v suffocate_v by_o the_o too_o great_a plenty_n of_o the_o steam_n exhale_v from_o the_o must_v and_o too_o much_o thicken_a the_o air_n as_o may_v be_v gather_v from_o the_o custom_n that_o be_v now_o use_v in_o some_o hot_a country_n where_o those_o that_o have_v occasion_n to_o go_v into_o such_o cellar_n carry_v with_o they_o a_o quantity_n of_o well_o kindle_a coal_n which_o they_o hold_v near_o their_o face_n whereby_o it_o come_v to_o pass_v that_o the_o fire_n discuss_v the_o fume_n and_o rarefy_v the_o air_n reduce_v the_o ambient_fw-la body_n to_o a_o consistence_n fit_a for_o respiration_n we_o will_v add_v by_o way_n of_o confirmation_n the_o follow_a experiment_n in_o such_o a_o small_a receiver_n as_o those_o wherein_o we_o kill_v divers_a bird_n we_o careful_o close_v up_o one_o who_o though_o for_o a_o
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and_o almost_o insensible_a fire_n as_o the_o flame_n of_o spirit_n of_o wine_n which_o will_v long_o burn_v upon_o fine_a white_a linen_n or_o paper_n without_o consume_v either_o give_v i_o leave_v to_o wish_v that_o they_o have_v be_v more_o curious_a to_o make_v differ_v trial_n with_o that_o liquor_n for_o as_o we_o observe_v in_o another_o treatise_n the_o reason_n why_o a_o linen_n cloth_n dip_v in_o common_a spirit_n of_o wine_n be_v not_o burn_v by_o the_o flame_n of_o it_o be_v because_o the_o phlegm_n of_o the_o liquor_n defend_v the_o cloth_n and_o the_o flame_n of_o spirit_n of_o wine_n be_v so_o far_o from_o be_v too_o weak_a to_o burn_v a_o piece_n of_o paper_n or_o of_o linen_n that_o i_o have_v use_v it_o in_o lamp_n to_o distil_v liquor_n out_o of_o tall_a cucurbite_n and_o find_v that_o the_o spirit_n burn_v away_o indeed_o much_o fast_o than_o salad_n oil_n but_o give_v at_o least_o as_o great_a a_o heat_n nay_o i_o have_v for_o curiosity_n sake_n melt_v crude_a 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open_v her_o abdomen_fw-la and_o find_v four_o puppy_n in_o her_o womb_n one_o of_o these_o we_o take_v out_o and_o have_v free_v he_o from_o the_o tegument_n that_o involve_v he_o and_o from_o the_o liquor_n he_o swim_v in_o we_o observe_v that_o he_o quick_o open_v his_o mouth_n very_o wide_a move_v his_o tongue_n and_o exercise_v respiration_n then_o we_o open_v both_o his_o abdomen_fw-la and_o his_o chest_n and_o cut_v asunder_o the_o diaphragme_n notwithstanding_o which_o he_o seem_v often_o to_o endeavour_v respire_v and_o move_v in_o a_o notable_a manner_n both_o the_o inter_v costal_a muscle_n part_n of_o the_o diaphragme_n the_o mouth_n and_o the_o tongue_n but_o that_o which_o we_o mention_v this_o puppy_n for_o be_v this_o that_o be_v desirous_a to_o try_v whether_o the_o other_o young_a one_o that_o have_v not_o yet_o breathe_v at_o all_o will_v long_o survive_v this_o or_o no_o we_o take_v they_o also_o out_o of_o the_o womb_n and_o have_v open_v they_o find_v none_o of_o 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have_v not_o respiration_n proper_o so_o call_v such_o as_o be_v exercise_v by_o four_o footed_a beast_n and_o bird_n may_v be_v argue_v from_o their_o have_a no_o cavity_n in_o their_o heart_n and_o from_o their_o want_n of_o lung_n whence_o they_o be_v observe_v to_o be_v mute_a unless_o we_o say_v what_o be_v not_o altogether_o absurd_a that_o their_o gills_o seem_v somewhat_o analogous_a as_o to_o their_o use_n to_o lung_n but_o that_o on_o the_o other_o side_n air_n be_v necessary_a to_o the_o live_v even_o of_o fish_n and_o that_o therefore_o it_o be_v probable_a they_o have_v some_o obscure_a kind_n of_o respiration_n seem_v manifest_a by_o two_o or_o three_o observation_n and_o experiment_n mention_v by_o divers_a author_n who_o tell_v we_o that_o fish_n soon_o die_v in_o pond_n and_o glass_n quite_o fill_v with_o water_n if_o the_o one_o be_v so_o freeze_v over_o and_o the_o other_o so_o close_o stop_v that_o the_o fish_n can_v enjoy_v the_o benefit_n of_o the_o air_n if_o 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water_n wherein_o it_o be_v bring_v we_o into_o our_o great_a receiver_n we_o cause_v the_o air_n to_o be_v pump_v out_o and_o observe_v that_o the_o eel_n after_o some_o motion_n to_o and_o fro_o in_o the_o glass_n seem_v somewhat_o discompose_v and_o that_o when_o we_o have_v prosecute_v the_o exsuction_n of_o the_o air_n somewhat_o obstinate_o she_o turn_v up_o her_o belly_n as_o die_a fish_n be_v wont_a to_o do_v and_o from_o thenceforward_a lay_n altogether_o moveless_a just_a as_o if_o she_o be_v stark_o dead_a and_o though_o i_o do_v not_o think_v she_o so_o yet_o the_o continue_v in_o that_o posture_n even_o after_o the_o cover_n of_o the_o receiver_n be_v take_v off_o whereby_o the_o air_n be_v let_v in_o i_o shall_v have_v be_v of_o the_o opinion_n of_o the_o bystander_n if_o the_o diffidence_n i_o be_o wont_a to_o exercise_v in_o try_v experiment_n especial_o such_o as_o be_v not_o usual_a have_v not_o invite_v i_o to_o take_v the_o fish_n out_o of_o the_o receiver_n upon_o 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into_o our_o receiver_n who_o it_o do_v not_o kill_v or_o at_o least_o reduce_v to_o seem_v ready_a to_o die_v but_o as_o we_o shall_v not_o here_o examine_v what_o interest_n the_o glutinous_a and_o uneasy_o dissipable_a nature_n of_o the_o juice_n of_o snail_n may_v have_v on_o this_o event_n so_o whether_o this_o escape_n of_o our_o eel_n be_v ascribe_v to_o the_o particular_a and_o vivacious_a nature_n of_o this_o sort_n of_o fish_n or_o to_o this_o that_o the_o air_n be_v not_o indeed_o necessary_a to_o the_o life_n of_o fish_n or_o final_o to_o this_o that_o though_o these_o animal_n need_v some_o air_n yet_o they_o need_v so_o little_a that_o that_o which_o can_v not_o be_v draw_v out_o of_o the_o receiver_n may_v at_o least_o for_o a_o while_n suffice_v they_o we_o will_v not_o now_o determine_v nor_o be_v we_o at_o leisure_n to_o examine_v that_o paradox_n of_o hypocrates_n which_o some_o learned_a physician_n have_v of_o late_o revive_v namely_o that_o the_o foetus_fw-la 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fill_v only_o with_o a_o halituous_a substance_n exercise_v some_o obscure_a respiration_n especial_o since_o it_o be_v not_o as_o many_o wise_a man_n think_v it_o a_o fable_n that_o child_n have_v be_v hear_v to_o cry_v in_o the_o mother_n womb_n for_o though_o it_o happen_v exceed_v rare_o yet_o sometime_o it_o have_v be_v observe_v and_o i_o know_v a_o young_a lady_n who_o friend_n when_o she_o be_v some_o year_n since_o with_o child_n complain_v to_o i_o that_o she_o be_v several_a time_n much_o fright_v with_o the_o cry_v of_o her_o infant_n which_o till_o i_o disabused_a she_o she_o and_o her_o friend_n look_v upon_o as_o portentous_a and_o such_o observation_n be_v the_o more_o credible_a because_o not_o only_a housewife_n but_o more_o judicious_a person_n mention_v it_o as_o no_o very_a unfrequent_a thing_n to_o hear_v the_o chick_n pip_n and_o cry_n in_o the_o egg_n before_o the_o shell_n be_v break_v but_o this_o i_o mention_v but_o as_o a_o probable_a not_o a_o cogent_a 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divers_a other_o matter_n and_o who_o in_o case_n of_o faint_a may_v by_o give_v a_o sign_n of_o his_o weakness_n be_v immediate_o relieve_v by_o have_v air_n let_v in_o upon_o he_o and_o it_o seem_v not_o impossible_a but_o that_o by_o accustomance_n some_o man_n may_v bring_v themselves_o to_o support_v the_o want_n of_o air_n a_o pretty_a while_n since_o we_o see_v that_o divers_a will_v live_v so_o much_o long_a than_o other_o man_n under_o water_n that_o those_o that_o dive_v for_o pearl_n in_o the_o west_n indies_n be_v say_v to_o be_v able_a to_o stay_v a_o whole_a hour_n under_o water_n and_o cardan_n tell_v we_o of_o one_o colanus_n a_o diver_n in_o sicily_n who_o be_v able_a to_o continue_v if_o cardan_n neither_o mistake_n nor_o impose_v upon_o we_o three_o or_o four_o time_n as_o long_o not_o to_o mind_v your_o lordship_n that_o you_o have_v yourself_o oftentimes_o see_v in_o england_n a_o corpulent_a man_n who_o be_v wont_a to_o descend_v to_o the_o bottom_n of_o the_o thames_n and_o bring_v out_o of_o deep_a hole_n at_o the_o bottom_n of_o the_o bank_n large_a fish_n alive_a in_o his_o hand_n and_o acosta_n tell_v we_o he_o see_v in_o peru_n the_o like_a manner_n of_o fish_v but_o more_o difficult_a practise_v by_o the_o indian_n i_o make_v mention_n of_o some_o man_n and_o of_o accustomance_n because_o there_o be_v but_o very_o few_o who_o though_o they_o use_v themselves_o to_o it_o by_o degree_n be_v fit_a to_o support_v for_o many_o minute_n the_o want_n of_o air._n insomuch_o that_o a_o ingenious_a man_n of_o my_o acquaintance_n who_o be_v very_o famous_a for_o the_o useful_a skill_n of_o draw_v good_n and_o even_o ordnance_n out_o of_o sink_v ship_n be_v ask_v by_o i_o how_o long_o he_o be_v able_a to_o continue_v at_o the_o depth_n of_o 50_o or_o 60_o foot_n under_o water_n without_o the_o use_n of_o respiration_n confess_v to_o i_o that_o he_o can_v continue_v above_o two_o minute_n of_o a_o hour_n without_o resort_v to_o the_o air_n which_o he_o carry_v down_o with_o he_o in_o a_o certain_a engine_n whereof_o i_o can_v show_v your_o lordship_n a_o description_n another_o thing_n i_o also_o learn_v of_o he_o by_o enquiry_n that_o be_v not_o despicable_a for_o ask_v he_o whether_o he_o find_v any_o use_n of_o chaw_v little_a sponge_n dip_v in_o oil_n in_o his_o mouth_n when_o he_o be_v perfect_o under_o water_n and_o at_o a_o distance_n from_o his_o engine_n he_o tell_v i_o that_o by_o the_o help_n of_o these_o sponge_n he_o can_v much_o long_o support_v the_o want_n of_o his_o wont_a respiration_n than_o he_o be_v able_a to_o do_v without_o they_o the_o true_a cause_n of_o which_o will_v perhaps_o if_o discover_v teach_v we_o some_o thing_n pertinent_a to_o the_o problem_n touch_v the_o respiration_n of_o fish_n but_o the_o necessity_n of_o air_n to_o the_o most_o part_n of_o animal_n unaccustomed_a to_o the_o want_n of_o it_o may_v best_o be_v judge_v of_o by_o the_o follow_a experiment_n which_o we_o try_v in_o our_o 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reflect_v upon_o the_o wise_a goodness_n of_o the_o creator_n who_o by_o give_v the_o air_n a_o spring_n have_v make_v it_o so_o very_o difficult_a as_o man_n find_v it_o to_o exclude_v a_o thing_n so_o necessary_a to_o animal_n and_o it_o give_v we_o also_o occasion_n to_o suspect_v that_o if_o infect_v have_v no_o lung_n nor_o any_o part_n analogous_a thereunto_o the_o ambient_fw-la air_n afsect_v they_o and_o relieve_v they_o at_o the_o pore_n of_o their_o skin_n it_o not_o be_v irrational_a to_o extend_v to_o these_o creature_n that_o of_o hypocrates_n who_o say_v that_o a_o live_a body_n be_v throughout_o perspirable_a or_o to_o use_v his_o expression_n 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d dispose_v to_o admit_v and_o part_v with_o what_o be_v spirituous_a which_o may_v be_v somewhat_o illustrate_v by_o what_o we_o have_v elsewhere_o note_v that_o the_o moist_a part_n of_o the_o air_n ready_o insinuate_v themselves_o into_o and_o recede_v from_o the_o pore_n of_o the_o beard_n of_o 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experiment_n have_v cost_v i_o if_o they_o be_v find_v in_o any_o degree_n serviceable_a to_o the_o purpose_n to_o which_o they_o be_v design_v and_o though_o i_o despair_v not_o but_o that_o hereafter_o our_o engine_n may_v furnish_v we_o with_o divers_a phaenomena_n useful_a to_o illustrate_v the_o doctrine_n of_o respiration_n yet_o have_v not_o as_o yet_o have_v the_o opportunity_n to_o make_v the_o other_o trial_n of_o various_a kind_n that_o i_o judge_v requisite_a for_o my_o information_n i_o must_v confess_v to_o your_o lordship_n that_o in_o what_o i_o have_v hitherto_o say_v i_o pretend_v not_o so_o much_o to_o establish_v or_o overthrow_v this_o or_o that_o hypothesis_n as_o to_o lay_v together_o divers_a of_o the_o particular_n that_o occur_v to_o i_o in_o order_n to_o a_o future_a inquiry_n i_o say_v divers_a of_o the_o particular_n because_o i_o can_v add_v many_o other_o but_o that_o i_o want_v time_n and_o fear_v that_o i_o shall_v need_v your_o lordship_n pardon_n for_o have_v be_v so_o prolix_a in_o write_v and_o that_o of_o physician_n which_o perhaps_o i_o shall_v more_o easy_o obtain_v for_o have_v invade_v anatomy_n a_o discipline_n which_o they_o challenge_v to_o themselves_o and_o indeed_o have_v be_v the_o almost_o sole_a improver_n of_o without_o deny_v then_o that_o the_o inspire_v and_o expire_v air_n may_v be_v sometime_o very_o useful_a by_o condense_v and_o cool_v the_o blood_n that_o pass_v through_o the_o lung_n i_o hold_v that_o the_o depuration_n of_o the_o blood_n in_o that_o passage_n be_v not_o only_o one_o of_o the_o ordinary_a but_o one_o of_o the_o principal_a use_n of_o respiration_n but_o i_o be_o apt_a also_o to_o suspect_v that_o the_o air_n do_v something_o else_o in_o respiration_n which_o have_v not_o yet_o be_v sufficient_o explain_v and_o therefore_o till_o i_o have_v examine_v the_o matter_n more_o deliberate_o i_o shall_v not_o scruple_n to_o answer_v the_o question_n that_o may_v be_v ask_v i_o touch_v the_o genuine_a use_n of_o respiration_n in_o the_o excellent_a word_n employ_v by_o the_o acute_a st._n austin_n to_o one_o that_o ask_v he_o hard_a question_n mallem_fw-la quidem_fw-la say_v he_o eorum_fw-la quae_fw-la à _fw-la i_o quaesivisti_fw-la habere_fw-la scientiam_fw-la quam_fw-la ignorantiam_fw-la sed_fw-la quia_fw-la id_fw-la nondum_fw-la potui_fw-la magis_fw-la eligo_fw-la cautam_fw-la ignorantiam_fw-la confiteri_fw-la quam_fw-la falsam_fw-la scientiam_fw-la profiteri_fw-la experiment_n xlii_o have_v partly_o upon_o the_o consideration_n of_o some_o of_o the_o forego_n experiment_n and_o partly_o upon_o ground_n not_o now_o to_o be_v insist_v on_o entertain_v a_o suspicion_n that_o the_o action_n of_o corrosive_a liquor_n in_o the_o dissolve_v of_o body_n may_v be_v considerable_o vary_v by_o the_o gravitation_n or_o pressure_n of_o the_o incumbent_a air_n and_o the_o removal_n of_o it_o i_o think_v fit_a to_o examine_v my_o conjecture_n by_o the_o follow_a experiment_n i_o 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find_v there_o do_v only_o arise_v as_o former_o a_o pretty_a number_n of_o small_a bubble_n that_o make_v there_o no_o sensible_a froth_n upon_o the_o surface_n of_o the_o distil_a vinegar_n there_o be_v make_v two_o or_o three_o exsuction_n of_o the_o air_n upon_o which_o there_o emerge_v from_o the_o coral_n such_o a_o multitude_n of_o bubble_n as_o make_v the_o whole_a body_n of_o the_o menstruum_fw-la appear_v white_a and_o soon_o aster_v a_o froth_n as_o big_a as_o all_o the_o rest_n of_o the_o liquor_n be_v see_v to_o swim_v upon_o it_o and_o the_o menstruum_fw-la plain_o appear_v to_o boil_v in_o the_o glass_n like_o a_o seethe_a pot._n and_o though_o if_o we_o desist_v but_o one_o minute_n from_o pump_v the_o decrement_n of_o the_o froth_n and_o ebullition_n upon_o the_o get_n in_o of_o a_o little_a air_n at_o some_o leak_n or_o other_o seem_v to_o argue_v that_o the_o removal_n of_o the_o pressure_n of_o the_o external_a air_n be_v the_o cause_n or_o at_o least_o the_o occasion_n of_o this_o effervescence_n yet_o to_o evince_v this_o the_o more_o clear_o we_o turn_v the_o key_n and_o let_v in_o the_o external_a air_n at_o the_o stop-cock_n immediate_o upon_o who_o entrance_n the_o froth_n vanish_v and_o so_o many_o of_o the_o bubble_n within_o the_o body_n of_o the_o liquor_n disappear_v that_o it_o lose_v its_o whiteness_n and_o grow_v transparent_a again_o the_o menstruum_fw-la also_o work_v as_o languid_o upon_o the_o coral_n as_o it_o do_v before_o they_o be_v put_v into_o the_o receiver_n but_o when_o we_o have_v again_o draw_v out_o the_o air_n first_o the_o whiteness_n re-appeared_a than_o the_o ebullition_n be_v renew_v which_o the_o pump_v be_v a_o while_n long_o and_o nimble_o pursue_v grow_v so_o great_a that_o for_o 3_o or_o 4_o time_n one_o aster_n another_o when_o ever_o the_o air_n be_v let_v out_o of_o the_o receiver_n into_o the_o empty_v cylinder_n the_o frothy_a liquor_n overflow_v the_o glass_n and_o run_v down_o by_o the_o side_n of_o it_o and_o yet_o upon_o the_o readmit_v of_o the_o exclude_v air_n the_o boil_a liquor_n grow_v immediate_o as_o calm_v and_o as_o transparent_a as_o at_o first_o as_o if_o indeed_o the_o operation_n of_o it_o upon_o the_o coral_n have_v be_v facilitated_a by_o the_o exsuction_n of_o the_o incumbent_a air_n which_o on_o its_o recess_n lest_o it_o more_o easy_a sore_n the_o more_o active_a part_n of_o the_o liquor_n to_o show_v themselves_o such_o than_o it_o be_v whilst_o the_o wont_a pressure_n of_o the_o air_n continue_v unremoved_a it_o may_v indeed_o be_v suspect_v that_o those_o vast_a and_o numerous_a bubble_n proceed_v not_o from_o the_o action_n of_o the_o menstruum_fw-la upon_o the_o coral_n but_o from_o the_o sudden_a emersion_n of_o those_o many_o little_a parcel_n of_o air_n that_o as_o we_o former_o observe_v be_v wont_a to_o be_v disperse_v in_o liquor_n without_o exclude_v spirit_n of_o vinegar_n but_o have_v have_v this_o suspicion_n before_o we_o try_v the_o experiment_n we_o convey_v our_o distil_a vinegar_n alone_o into_o the_o receiver_n and_o keep_v it_o a_o while_n there_o to_o free_v it_o from_o its_o bubble_n which_o be_v but_o very_o small_a before_o ever_o we_o put_v the_o coral_n into_o it_o it_o may_v be_v suspect_v likewise_o that_o the_o agitation_n of_o the_o liquor_n necessary_a follow_v upon_o the_o shake_n of_o the_o glass_n by_o pump_v may_v occasion_v the_o recite_v ebullition_n but_o upon_o trial_n make_v there_o appear_v not_o any_o notable_a change_n in_o the_o liquor_n or_o its_o operation_n though_o the_o contain_v vessel_n be_v shake_v provide_v no_o air_n be_v suck_v out_o of_o it_o the_o former_a experiment_n be_v another_o time_n try_v in_o another_o small_a receiver_n with_o coral_n gross_o powder_v and_o the_o success_n be_v very_o much_o alike_o scarce_o differ_v in_o any_o thing_n but_o that_o the_o coral_n be_v reduce_v to_o small_a part_n upon_o the_o ebullition_n of_o the_o liquor_n so_o many_o little_a lump_n of_o coral_n will_v be_v carry_v and_o buoy_z up_o by_o the_o emerge_a bubble_n as_o sometime_o to_o darken_v the_o viol_n though_o the_o same_o coraline_n corpuscle_n will_v be_v let_v fall_n again_o upon_o the_o let_n in_o of_o the_o air._n some_o thing_n also_o we_o try_v in_o our_o great_a receiver_n concern_v the_o solution_n of_o metal_n in_o aqua_fw-la fortis_fw-la and_o other_o corrosive_a liquor_n but_o partly_o the_o stink_n and_o partly_o some_o accident_n keep_v we_o from_o observe_v any_o thing_n peculiar_a and_o remarkable_a about_o those_o solution_n one_o thing_n we_o must_v not_o omit_v that_o when_o the_o spirit_n of_o vinegar_n be_v boil_v upon_o the_o coral_n we_o take_v off_o the_o cover_n of_o the_o receiver_n and_o take_v out_o the_o viol_n but_o can_v not_o find_v that_o notwithstanding_o so_o very_o late_a a_o ebullition_n the_o liquor_n have_v any_o heat_n great_a enough_o to_o be_v at_o all_o sensible_a to_o our_o hand_n experiment_n xliii_o we_o will_v now_o subjoin_v a_o experiment_n which_o if_o the_o former_a do_v not_o lessen_v the_o wonder_n of_o it_o will_v probable_o appear_v very_o strange_a to_o your_o lordship_n as_o it_o do_v to_o the_o first_o spectator_n of_o it_o the_o experiment_n be_v this_o we_o cause_v water_n to_o be_v boil_v a_o pretty_a while_n that_o by_o the_o heat_n it_o may_v be_v free_v from_o the_o latitant_fw-la air_n so_o often_o already_o take_v notice_n of_o in_o common_a water_n then_o almost_o fill_v with_o it_o a_o glass_n viol._n capable_a of_o contain_v near_o four_o ounce_n of_o that_o liquor_n we_o convey_v it_o whilst_o the_o water_n be_v yet_o hot_a into_o one_o of_o our_o small_a receiver_n big_a enough_o to_o hold_v about_o a_o pound_n of_o water_n and_o have_v lute_v on_o the_o cover_n we_o cause_v the_o air_n to_o be_v draw_v out_o upon_o the_o two_o first_o exsuction_n there_o scarce_o appear_v any_o change_n in_o the_o liquor_n nor_o be_v there_o any_o notable_a alteration_n make_v by_o the_o three_o but_o at_o the_o four_o and_o afterward_o the_o water_n appear_v to_o boil_v in_o the_o viol_n as_o if_o it_o have_v stand_v over_o a_o very_a quick_a fire_n for_o the_o bubble_n be_v much_o great_a than_o be_v usual_o find_v upon_o the_o ebullition_n of_o very_a much_o more_o water_n than_o be_v contain_v in_o our_o viol._n and_o this_o effervescence_n be_v so_o great_a in_o the_o upper_a part_n of_o the_o water_n that_o the_o liquor_n boil_v over_o the_o top_n of_o the_o neck_n a_o pretty_a deal_n of_o it_o run_v down_o into_o the_o receiver_n and_o sometime_o continue_v though_o more_o languid_o boil_v there_o prosecute_a this_o experiment_n we_o observe_v that_o sometime_o after_o the_o first_o ebullition_n we_o be_v reduce_v to_o make_v divers_a exsuction_n of_o the_o air_n before_o the_o liquor_n will_v be_v bring_v to_o boil_v again_o but_o at_o other_o time_n as_o often_o as_o the_o key_n be_v turn_v to_o let_v the_o air_n pass_v from_o the_o receiver_n into_o the_o pump_n the_o effervescence_n will_v begin_v afresh_o though_o the_o pump_n be_v ply_v for_o a_o pretty_a while_n together_o which_o seem_v to_o argue_v that_o the_o boil_a of_o the_o water_n proceed_v from_o hence_o that_o upon_o the_o withdraw_a the_o pressure_n of_o the_o incumbent_a air_n either_o the_o fiery_a corpuscle_n or_o rather_o the_o vapour_n agitate_a by_o the_o heat_n in_o the_o water_n which_o last_o what_o we_o have_v former_o note_v touch_v the_o raresy_v water_n of_o a_o aeolipile_n manifest_a to_o be_v capable_a of_o a_o elastical_a power_n be_v permit_v to_o expand_v themselves_o mighty_o in_o the_o evacuated_a receiver_n and_o do_v in_o their_o tumultuous_a dilatation_n list_v up_o as_o the_o air_n be_v wont_a to_o do_v the_o uppermost_a part_n of_o the_o water_n and_o turn_v it_o into_o bubble_n make_v the_o water_n appear_v boil_v this_o conjecture_n be_v far_o confirm_v by_o these_o additional_a circumstance_n first_o the_o effervescence_n be_v confine_v to_o the_o upper_a part_n of_o the_o water_n the_o low_a remain_v quiet_a unless_o the_o liquor_n be_v but_o shallow_a next_o although_o sometime_o as_o be_v already_o note_v the_o ebullition_n begin_v again_o after_o it_o have_v cease_v a_o pretty_a while_n which_o seem_v to_o infer_v that_o some_o concurrent_a cause_n whatever_o that_o be_v do_v a_o little_a modify_v the_o operation_n of_o heat_n yet_o when_o the_o water_n in_o the_o viol_n can_v by_o no_o pump_v be_v bring_v to_o boil_v any_o more_o the_o selfsame_a water_n be_v in_o the_o very_a same_o viol_n warm_v again_o and_o reconvey_v into_o the_o pneumatical_a glass_n be_v quick_o bring_v to_o boil_v afresh_o and_o that_o vehement_o and_o long_o enough_o not_o to_o mention_v that_o a_o new_a parcel_n take_v out_o of_o the_o same_o parcel_n of_o the_o boil_a
the_o restagnant_fw-la mercury_n so_o that_o the_o air_n include_v and_o endeavour_v to_o expand_v itself_o find_v no_o assistance_n to_o expand_v itself_o upward_o and_o a_o considerable_a one_o to_o expand_v itself_o downward_o it_o be_v very_o natural_a that_o it_o shall_v expand_v itself_o that_o way_n whence_o it_o find_v less_o resistance_n as_o according_o it_o will_v happen_v till_o the_o spring_n of_o the_o air_n be_v so_o far_o debilitate_a by_o its_o expansion_n that_o its_o pressure_n together_o with_o the_o weight_n of_o the_o mercury_n that_o remain_v suspend_v will_v but_o counter-balance_n not_o overcome_v the_o pressure_n of_o the_o outward_a air_n upon_o the_o restagnant_fw-la mercury_n and_o this_o explication_n may_v be_v confirm_v by_o this_o trial_n that_o i_o have_v purposely_o make_v namely_o that_o if_o in_o stead_n of_o quicksilver_n you_o employ_v water_n and_o leave_v as_o before_o in_o the_o tube_n a_o inch_n of_o air_n and_o then_o invert_v it_o open_v it_o under_o water_n you_o will_v perceive_v the_o include_v inch_n of_o air_n not_o to_o dilate_v itself_o any_o thing_n near_o for_o i_o need_v not_o here_o define_v the_o proportion_n half_a so_o far_o as_o it_o do_v when_o the_o tube_n be_v almost_o fill_v with_o mercury_n because_o the_o weight_n of_o so_o short_a a_o cylinder_n of_o water_n do_v but_o equal_a that_o of_o between_o a_o inch_n and_o a_o inch_n and_o a_o half_a only_a of_o quicksilver_n and_o consequent_o the_o inward_a air_n be_v far_o less_o assist_v to_o dilate_v itself_o and_o surmount_v the_o pressure_n of_o the_o outward_a air_n by_o the_o cylinder_n of_o water_n than_o by_o that_o of_o mercury_n and_o as_o for_o what_o our_o author_n say_v that_o if_o instead_o of_o air_n water_n or_o some_o other_o liquor_n be_v leave_v at_o the_o top_n of_o the_o tube_n the_o quicksilver_n will_v not_o descend_v the_o elaterist_n can_v ready_o solve_v that_o phaenomenon_n by_o say_v that_o water_n have_v either_o no_o spring_n at_o all_o or_o but_o a_o exceed_o weak_a one_o and_o so_o scarce_o press_v but_o by_o its_o weight_n which_o in_o so_o short_a a_o cylinder_n be_v inconsiderable_a now_o the_o same_o solution_n we_o have_v give_v of_o our_o examiner_n objection_n give_v we_o also_o a_o account_n why_o the_o finger_n be_v so_o strong_o fasten_v to_o the_o upper_a part_n of_o the_o orifice_n of_o the_o tube_n it_o stop_v for_o the_o include_v air_n be_v so_o far_o dilate_v that_o a_o inch_n for_o example_n leave_v at_o first_o in_o the_o upper_a part_n of_o the_o tube_n reach_v twice_o or_o thrice_o as_o far_o as_o it_o do_v before_o the_o descent_n of_o the_o quicksilver_n its_o spring_n must_v be_v proportionable_o weaken_v and_o consequent_o that_o part_n of_o the_o finger_n that_o be_v within_o the_o tube_n will_v have_v much_o les_fw-fr pressure_n against_o it_o from_o the_o dilate_a air_n within_o than_o the_o upper_a part_n of_o the_o same_o finger_n will_v have_v from_o the_o unrarefied_a air_n without_o by_o which_o mean_v the_o pulp_n of_o the_o finger_n will_v be_v thrust_v in_o which_o our_o author_n be_v please_v to_o call_v suck_v in_o as_o we_o shall_v ere_o long_o have_v occasion_n to_o declare_v in_o our_o answer_n to_o his_o second_o argument_n and_o have_v say_v thus_o much_o to_o our_o author_n first_o exception_n against_o the_o solution_n he_o foresee_v we_o will_v give_v of_o his_o three_o argument_n we_o have_v not_o much_o to_o say_v at_o present_a to_o this_o second_o for_o whereas_o he_o say_v concipi_fw-la non_fw-la posse_fw-la quomodo_fw-la aër_fw-la ille_fw-la sic_fw-la se_fw-la dilatet_fw-la argentumque_fw-la deorsum_fw-la trudat_fw-la nisi_fw-la occupando_fw-la 17._o majorem_fw-la locum_fw-la quod_fw-la tamen_fw-la hi_o authores_fw-la quam_fw-la maxim_n refugiunt_fw-la asserentes_fw-la rarefactionem_fw-la non_fw-la aliter_fw-la fieri_fw-la quam_fw-la per_fw-la corpuscula_fw-la aut_fw-la vacuitates_fw-la i_o wish_v he_o have_v more_o clear_o express_v himself_o since_o as_o his_o word_n be_v couch_v i_o can_v easy_o guess_v what_o he_o mean_v and_o much_o less_o easy_o discern_v how_o they_o make_v a_o argument_n against_o his_o adversary_n for_o sure_o he_o think_v they_o not_o so_o absurd_a as_o to_o imagine_v that_o the_o air_n can_v dilate_v itself_o and_o thrust_v down_o the_o mercury_n without_o in_o some_o sense_n take_v up_o more_o room_n than_o it_o do_v before_o for_o the_o very_a word_n dilatation_n and_o the_o effect_n they_o ascribe_v to_o the_o include_v air_n clear_o imply_v as_o much_o so_o that_o i_o see_v not_o why_o he_o shall_v say_v that_o they_o be_v so_o averse_a from_o grant_v the_o air_n to_o take_v up_o more_o place_n than_o before_o especial_o since_o he_o take_v notice_n in_o the_o former_a chapter_n that_o we_o compare_v the_o expansion_n of_o the_o air_n to_o that_o of_o compress_v wool_n and_o since_o he_o here_o also_o annex_v that_o we_o explicate_v rarefaction_n either_o by_o corpuscle_n or_o vacuity_n but_o this_o late_a clause_n make_v i_o suspect_v his_o meaning_n to_o be_v that_o the_o elaterist_n do_v not_o admit_v that_o the_o same_o air_n may_v adequate_o fill_v more_o of_o place_n at_o one_o time_n than_o at_o another_o which_o i_o believe_v to_o be_v as_o true_a as_o that_o the_o selfsame_a lock_n of_o compress_v wool_n have_v no_o more_o hair_n in_o it_o nor_o do_v adequate_o fill_v more_o place_n with_o they_o when_o it_o be_v permit_v to_o expand_v itself_o than_o whilst_o it_o remain_v compress_v but_o against_o this_o way_n of_o rarefaction_n our_o author_n here_o have_v not_o any_o objection_n unless_o it_o be_v intimate_v in_o these_o word_n concipi_fw-la non_fw-la potest_fw-la which_o if_o it_o be_v i_o shall_v need_v only_o to_o mind_v he_o in_o this_o place_n that_o whereas_o many_o of_o the_o chief_a philosopher_n both_o of_o ancient_n and_o our_o own_o time_n have_v profess_v they_o think_v not_o the_o aristotelean_a way_n of_o rarefaction_n conceivable_a and_o he_o acknowledge_v as_o we_o shall_v see_v anon_o that_o it_o be_v not_o clear_a what_o the_o able_a of_o his_o party_n the_o modern_a plenist_n be_v wont_n to_o object_n against_o the_o way_n of_o rarefaction_n he_o dislike_v be_v that_o it_o be_v not_o true_a not_o that_o it_o be_v not_o intelligible_a chap._n iii_o our_o author_n second_o objection_n for_o so_o i_o reckon_v it_o be_v thus_o propose_v by_o he_o si_fw-mi sumatur_fw-la tubus_fw-la utrinque_fw-la apart_a we_o say_v longior_fw-la puta_fw-la digitorum_fw-la 40._o argentoque_fw-la impleatur_fw-la eique_fw-la 15._o digitus_fw-la supernè_fw-la applicatur_fw-la ut_fw-la prius_fw-la videbimus_fw-la subtracto_fw-la inferiore_fw-la digito_fw-la argentum_fw-la quidem_fw-la descendere_fw-la usque_fw-la ad_fw-la consuetam_fw-la svam_fw-la stationem_fw-la digitum_fw-la autem_fw-la superiorem_fw-la fortiter_fw-la intra_fw-la tubum_fw-la trahi_fw-la eique_fw-la firmissime_fw-la ut_fw-la prius_fw-la adhaerere_fw-la exit_fw-la quo_fw-la rursum_fw-la evidenter_fw-la concluditur_fw-la argentum_fw-la in_fw-la sua_fw-la station_n constitutum_fw-la non_fw-la ibidem_fw-la sustentari_fw-la ab_fw-la externo_fw-la aëre_fw-la sed_fw-la à _fw-la funiculo_fw-la quodam_fw-la interno_fw-la suspendi_fw-la cujus_fw-la superior_a extremitas_fw-la digito_fw-la affixa_fw-la eum_fw-la sic_fw-la intra_fw-la tubum_fw-la trahit_fw-la eique_fw-la affigit_fw-la but_o this_o argument_n be_v much_o of_o the_o same_o nature_n with_o that_o draw_v from_o his_o three_o experiment_n the_o answer_v make_v to_o that_o and_o to_o his_o first_o may_v be_v easy_o apply_v and_o will_v be_v sufficient_a for_o this_o also_o especial_o because_o in_o our_o present_a case_n there_o be_v less_o pressure_n against_o the_o pulp_n of_o the_o finger_n in_o the_o inside_n of_o the_o tube_n than_o in_o the_o three_o experiment_n where_o some_o air_n be_v inolude_v though_o much_o expanded_a and_o weaken_a the_o pressure_n of_o the_o atmosphere_n be_v in_o the_o present_a case_n keep_v off_o from_o it_o by_o the_o subjacent_a mercury_n whereas_o there_o be_v nothing_o of_o that_o pressure_n abate_v against_o the_o other_o part_n of_o the_o finger_n that_o keep_v it_o off_o from_o the_o desert_a cavity_n of_o the_o tube_n save_v only_o that_o from_o the_o pulp_n that_o be_v contiguous_a to_o the_o tube_n there_o may_v be_v somewhat_o of_o that_o pressure_n take_v off_o by_o the_o weight_n of_o the_o glass_n itself_o but_o as_o for_o that_o part_n of_o the_o finger_n which_o immediate_o cover_v the_o hole_n whether_o or_o no_o there_o be_v any_o spring_n in_o its_o own_o fibre_n or_o other_o constituent_a substance_n which_o find_v no_o resistance_n in_o the_o place_n desert_v by_o the_o quicksilver_n may_v contribute_v to_o its_o swell_a for_o that_o we_o will_v not_o now_o examine_v he_o that_o have_v due_o consider_v the_o account_n already_o give_v of_o this_o intrusion_n of_o the_o pulp_n into_o the_o glass_n will_v find_v no_o need_n of_o our_o author_n internal_a funiculus_fw-la which_o to_o some_o seem_v more_o difficult_a to_o conceive_v than_o any_o of_o the_o
phaenomena_n in_o controversy_n be_v to_o be_v explain_v without_o it_o chap._n iu._n by_o what_o we_o have_v already_o say_v against_o our_o examiner_n three_o argument_n we_o may_v be_v assist_v to_o answer_v his_o first_o though_o he_o propose_v it_o as_o a_o very_a clear_a demonstration_n and_o though_o it_o be_v indeed_o the_o principal_a thing_n in_o his_o book_n sumatur_fw-la say_v he_o tubus_fw-la brevior_fw-la digitis_fw-la 29½_n puta_fw-la digitorum_fw-la 20._o non_fw-la tamen_fw-la clausus_fw-la altero_fw-la extremo_fw-la ut_fw-la hactenus_fw-la sed_fw-la utrinque_fw-la apertus_fw-la 12._o hic_fw-la tubus_fw-la immerso_fw-la ejus_fw-la orificio_fw-la argento_n restagnanti_fw-la suppositoque_fw-la digito_fw-la ne_fw-la effluat_fw-la argentum_fw-la tubo_fw-la infundendum_fw-la impleatur_fw-la argento_n vivo_fw-la aliusque_fw-la deinde_fw-la digitus_fw-la orificio_fw-la quoque_fw-la applicetur_fw-la illudque_fw-la bene_fw-la claudat_fw-la quo_fw-la facto_fw-la si_fw-la subtrahatur_fw-la inferior_a digitus_fw-la sentietur_fw-la superior_a uchementer_fw-la trahi_fw-la ac_fw-la sugi_fw-la intra_fw-la tubum_fw-la tamque_fw-la pertinaciter_fw-la ei_fw-la vel_fw-la argento_fw-la potius_fw-la ut_fw-la postea_fw-la adhaerere_fw-la ut_fw-la ipsum_fw-la tubum_fw-la cum_fw-la toto_fw-la argento_fw-la incluso_fw-la facilè_fw-la elevet_fw-la teneatque_fw-la in_o vase_n pendulum_fw-la exit_fw-la quo_fw-la sane_fw-la experimento_fw-la clarissimè_fw-la refellitur_fw-la haec_fw-la sententia_fw-la cum_fw-la enim_fw-la juxta_fw-la eam_fw-la argentum_fw-la in_o tubo_fw-la hujusmodi_fw-la 20._o tantum_fw-la digitorum_fw-la sursum_fw-la trudatur_fw-la à _fw-la praeponderante_fw-la aëre_fw-la externo_fw-la nunquam_fw-la profecto_fw-la per_fw-la eam_fw-la explicabitur_fw-la quomodo_fw-la digitus_fw-la ille_fw-la sic_fw-la trahatur_fw-la deorsum_fw-la tuboque_fw-la tam_fw-la uchementer_fw-la adhaereat_fw-la non_fw-la enim_fw-la à _fw-la trudente_fw-la sursum_fw-la potest_fw-la sic_fw-la deorsum_fw-la trahi_fw-la thus_o far_o our_o author_n objection_n in_o answer_n whereunto_o i_o have_v divers_a thing_n to_o represent_v to_o show_v that_o a_o good_a account_n may_v be_v give_v of_o this_o experiment_n in_o the_o hypothesis_n of_o the_o elaterist_n which_o be_v sufficient_a to_o manifest_v how_o far_o the_o argument_n be_v from_o be_v so_o unanswerable_a as_o the_o proposer_n of_o it_o will_v persuade_v his_o reader_n i_o deny_v then_o that_o the_o finger_n be_v draw_v downward_o or_o make_v by_o suction_n to_o adhere_v to_o the_o tube_n but_o i_o explicate_v that_o which_o he_o call_v the_o suction_n of_o the_o finger_n as_o i_o late_o do_v in_o answer_n to_o his_o three_o argument_n as_o we_o shall_v more_o particular_o see_v anon_o he_o say_v indeed_o that_o the_o air_n which_o thrust_v up_o the_o quicksilver_n can_v so_o strong_o draw_v down_o the_o finger_n as_o if_o the_o air_n be_v not_o a_o fluid_a body_n but_o a_o single_a and_o entire_a pillar_n of_o some_o solid_a matter_n but_o to_o shorten_v our_o reply_n to_o his_o objection_n the_o best_a way_n perhaps_o will_v be_v brief_o to_o explicate_v the_o phaenomenon_n thus_o when_o the_o tube_n be_v fill_v with_o quicksilver_n the_o finger_n that_o stop_v the_o upper_a orifice_n be_v almost_o equal_o press_v above_o and_o at_o the_o side_n by_o the_o contiguous_a air_n but_o when_o the_o low_a finger_n be_v remove_v than_o the_o cylinder_n of_o mercury_n which_o before_o gravitate_v upon_o the_o finger_n come_v to_o gravitate_fw-la upon_o the_o restagnant_fw-la mercury_n and_o by_o its_o intervention_n to_o press_v against_o the_o outward_a air_n so_o that_o against_o those_o part_n of_o the_o finger_n that_o be_v contiguous_a to_o the_o air_n there_o be_v all_o the_o wont_a pressure_n of_o the_o outward_a air_n whereas_o against_o that_o pulp_n that_o be_v contiguous_a to_o the_o mercury_n there_o be_v not_o so_o much_o pressure_n as_o against_o the_o other_o part_n of_o the_o finger_n by_o two_o three_o i_o say_v by_o two_o three_o or_o thereabouts_o because_o the_o mercurial_a cylinder_n in_o this_o experiment_n be_v suppose_v to_o be_v twenty_o inch_n high_a and_o if_o it_o be_v but_o a_o little_a more_o than_o thirty_o inch_n high_a which_o be_v a_o three_o more_o then_o the_o weight_n of_o the_o quicksilver_n will_v take_v off_o not_o two_o three_o only_a but_o the_o whole_a pressure_n of_o the_o outward_a air_n from_o the_o abovementioned_a pulp_v of_o the_o finger_n for_o in_o that_o case_n the_o quicksilver_n will_v quite_o desert_v it_o and_o settle_v beneath_o it_o wherefore_o since_o it_o have_v appear_v by_o our_o answer_n to_o the_o examiner_n three_o argument_n that_o the_o pressure_n of_o the_o outward_a air_n be_v take_v off_o from_o the_o body_n that_o remain_v in_o the_o upper_a part_n of_o the_o tube_n according_a to_o the_o weight_n of_o the_o liquor_n suspend_v in_o the_o tube_n and_o since_o in_o our_o hypothesis_n the_o pressure_n of_o the_o outward_a air_n be_v able_a to_o keep_v thirty_o inch_n of_o quicksilver_n or_o two_o or_o three_o and_o thirty_o foot_n of_o water_n suspend_v in_o a_o tube_n it_o need_v be_v no_o great_a wonder_n if_o a_o pressure_n of_o the_o ambient_fw-la air_n equal_a to_o the_o weight_n of_o a_o cylinder_n of_o water_n of_o near_o twenty_o two_o foot_n long_o shall_v be_v able_a to_o thrust_v in_o the_o pulp_n of_o the_o finger_n at_o the_o upper_a orifice_n of_o the_o tube_n and_o make_v it_o stick_v close_o enough_o to_o the_o lip_n of_o it_o i_o know_v the_o examiner_n affirm_v that_o no_o thrust_v or_o pressure_n from_o without_o can_v ever_o effect_v such_o a_o adhesion_n of_o the_o finger_n to_o the_o tube_n but_o this_o shall_v be_v as_o well_o prove_v as_o say_v but_o first_o though_o i_o be_o willing_a to_o think_v the_o examiner_n will_v not_o know_o relate_v any_o thing_n he_o be_v not_o persuade_v of_o yet_o as_o far_o as_o i_o and_o another_o person_n very_o well_o verse_v in_o these_o experiment_n have_v purposely_o try_v i_o can_v not_o find_v the_o adhesion_n of_o the_o finger_n to_o the_o tube_n to_o be_v near_o so_o strong_a as_o our_o author_n have_v relate_v second_o if_o you_o careful_o endeavour_v by_o pressure_n and_o otherwise_o to_o thrust_v the_o pulp_n of_o your_o finger_n into_o the_o orifice_n of_o the_o tube_n you_o may_v through_o the_o glass_n perceive_v it_o to_o be_v manifest_o tumid_a in_o the_o cavity_n of_o the_o pipe_n and_o if_o by_o press_v your_o finger_n against_o the_o orifice_n of_o the_o tube_n you_o shall_v not_o make_v the_o pulp_n adhere_v quite_o so_o strong_o to_o the_o tube_n nor_o swell_v quite_o so_o much_o within_o it_o as_o may_v happen_v in_o some_o mercurial_a experiment_n it_o be_v to_o be_v consider_v that_o the_o air_n be_v a_o fluid_a as_o well_o as_o a_o heavy_a body_n it_o do_v not_o as_o grosser_n weight_n will_v press_v only_o against_o the_o upper_a part_n of_o the_o finger_n but_o press_v as_o much_o of_o the_o finger_n as_o be_v expose_v to_o it_o almost_o every_o where_o and_o almost_o uniform_o as_o well_o as_o strong_o it_o do_v by_o its_o lateral_a pressure_n on_o every_o side_n thrust_v in_o the_o pulp_n of_o the_o finger_n into_o the_o hole_n where_o there_o be_v not_o any_o resistance_n at_o all_o or_o at_o least_o near_o so_o much_o pressure_n against_o the_o pulp_n as_o that_o of_o the_o ambient_fw-la air_n against_o the_o part_n of_o the_o finger_n contiguous_a to_o it_o by_o this_o it_o may_v appear_v that_o we_o need_v not_o borrow_v the_o objection_n our_o author_n offer_v to_o lend_v we_o namely_o that_o in_o the_o experiment_n under_o consideration_n the_o quicksilver_n be_v press_v downward_o by_o the_o spring_n of_o some_o air_n lurk_v betwixt_o it_o and_o the_o finger_n though_o i_o be_o prone_a to_o think_v that_o unless_o the_o experiment_n be_v make_v with_o a_o great_a deal_n of_o care_n such_o a_o thing_n may_v easy_o happen_v and_o contribute_v to_o the_o strong_a adhesion_n of_o the_o finger_n to_o the_o tube_n this_o i_o say_v may_v appear_v not_o withstand_v what_o our_o author_n object_n that_o the_o air_n expand_v itself_o will_v thrust_v away_o the_o finger_n upward_o since_o the_o contrary_a of_o that_o pretence_n we_o have_v late_o manifest_v in_o the_o answer_n to_o his_o three_o argument_n and_o as_o for_o what_o he_o add_v to_o confirm_v his_o argumentation_n in_o these_o word_n quod_fw-la vel_fw-la inde_fw-la confirmatur_fw-la quia_fw-la cum_fw-la praeponderan_n ille_fw-la aër_fw-la succedat_fw-la uti_fw-la asseritur_fw-la loco_fw-la sublati_fw-la inferioris_fw-la 14._o digiti_fw-la id_fw-la est_fw-la eodem_fw-la modo_fw-la nunc_fw-la sustentet_fw-la argentum_fw-la quo_fw-la ante_fw-la ab_fw-la applicato_fw-la digito_fw-la inferiore_fw-la sustentabatur_fw-la manifestum_fw-la est_fw-la non_fw-la debere_fw-la juxta_fw-la hanc_fw-la sententiam_fw-la magis_fw-la deorsum_fw-la trahi_fw-la digitum_fw-la superiorem_fw-la post_fw-la sublatam_fw-la inferiorem_fw-la quam_fw-la ante_fw-la cum_fw-la itaque_fw-la contrarium_fw-la planè_fw-la doceat_fw-la experientia_fw-la satis_fw-la liquet_fw-la sententiam_fw-la illam_fw-la esse_fw-la falsam_fw-la we_o must_v consider_v that_o the_o tube_n be_v suppose_v perfect_o full_a of_o mercury_n the_o finger_n that_o
stop_v the_o low_a orifice_n be_v wont_a to_o be_v keep_v strong_o press_v against_o it_o lest_o any_o of_o that_o ponderous_a liquor_n shall_v get_v out_o between_o the_o tube_n and_o the_o finger_n so_o that_o although_o both_o the_o low_a finger_n do_v indeed_o keep_v up_o the_o mercury_n in_o the_o tube_n and_o the_o pressure_n of_o the_o outward_a air_n will_v do_v so_o too_o yet_o there_o be_v this_o difference_n that_o the_o pressure_n of_o the_o atmosphere_n depend_v upon_o its_o weight_n can_v be_v intend_v and_o weaken_v as_o we_o please_v as_o can_v that_o of_o the_o undermost_a finger_n and_o therefore_o whereas_o the_o atmospherical_a cylinder_n will_n not_o keep_v up_o a_o cylinder_n of_o quicksilver_n of_o above_o thirty_o inch_n high_a those_o that_o make_v the_o torricellian_a experiment_n do_v often_o upon_o one_o occasion_n or_o other_o keep_v up_o with_o the_o finger_n a_o mercurial_a cylinder_n of_o perhaps_o forty_o or_o fifty_o inch_n or_o far_o more_o so_o that_o whereas_o in_o our_o case_n before_o the_o removal_n of_o the_o undermost_a finger_n the_o pulp_n of_o the_o uppermost_a must_v have_v about_o the_o same_o pressure_n against_o it_o where_o it_o be_v contiguous_a to_o the_o mercury_n as_o there_o be_v against_o the_o other_o part_n of_o the_o same_o finger_n after_o the_o removal_n of_o the_o undermost_a finger_n there_o be_v as_o much_o of_o the_o atmospherical_a pressure_n if_o i_o may_v so_o speak_v take_v off_o from_o the_o new_o mention_v pulp_n as_o counterbalance_n a_o cylinder_n of_o quicksilver_n of_o twenty_o inch_n long_o chap._n v._n the_o examiner_n four_o and_o last_o experiment_n be_v thus_o propose_v quarto_fw-la denique_fw-la say_v he_o impugnatur_fw-la quia_fw-la ex_fw-la eo_fw-la sequeretur_fw-la argentum_fw-la vivum_fw-la per_fw-la similem_fw-la tubum_fw-la è_fw-la vasculo_fw-la exugi_fw-la posse_fw-la eâdem_fw-la prorsus_fw-la facilitate_v quâ_fw-la ex_fw-la eodem_fw-la exugeretur_fw-la 18._o aqua_fw-la quod_fw-la tamen_fw-la experientiae_fw-la repugnat_fw-la quâ_fw-la docemur_fw-la aquam_fw-la in_o os_fw-la sugentis_fw-la facillimè_fw-la attrahi_fw-la quo_fw-la tamen_fw-la argentum_fw-la vivum_fw-la ne_fw-la toto_fw-la quidem_fw-la adhibito_fw-la conatu_fw-la perduci_fw-la queat_fw-la imo_fw-la vix_fw-la ad_fw-la tubi_n medietatem_fw-la sequelam_fw-la autem_fw-la sic_fw-la ostendo_fw-la quia_fw-la cum_fw-la in_o hac_fw-la sententia_fw-la nihil_fw-la aliud_fw-la agendum_fw-la sit_fw-la quam_fw-la hoc_fw-la ut_fw-la per_fw-la tubum_fw-la sic_fw-la ascendat_fw-la subject_n we_o liquor_n sive_fw-la aqua_fw-la fuerit_fw-la sive_fw-la argentum_fw-la nisi_fw-la ut_fw-la sugendo_fw-la sur_fw-fr sum_fw-la trahatur_fw-la aër_fw-la tubo_fw-la inclusus_fw-la quo_fw-la sic_fw-la attracto_fw-la ascendit_fw-la illico_fw-la subject_n we_o liquor_n protrusus_fw-la nimirum_fw-la ab_fw-la externo_fw-la aëre_fw-la jam_fw-la praeponderante_fw-la uti_fw-la docet_fw-la pecquettus_fw-la in_o dissertatione_n anatomica_fw-la pag._n 63._o manifestum_fw-la est_fw-la eadem_fw-la planè_fw-la facilitate_v exugendum_fw-la sic_fw-la argentum_fw-la vivum_fw-la qua_fw-la exugitur_fw-la aqua_fw-la quod_fw-la quum_fw-la experientiae_fw-la tam_fw-la aperte_fw-la repugnat_fw-la necesse_fw-la est_fw-la sententiam_fw-la ex_fw-la qua_fw-la sequitur_fw-la falsam_fw-la esse_fw-la this_o experiment_n i_o remember_v i_o make_v some_o year_n ago_o according_o it_o be_v allege_v in_o the_o four_o essay_n of_o the_o treatise_n i_o be_v then_o write_v to_o prove_v against_o the_o vulgar_a opinion_n that_o liquor_n do_v not_o to_o prevent_v a_o vacuum_n spontaneous_o ascend_v which_o i_o presume_v will_v be_v so_o far_o allow_v of_o by_o our_o author_n who_o will_v have_v liquor_n suppose_v to_o be_v raise_v by_o suction_n violent_o draw_v up_o by_o the_o contraction_n of_o his_o funiculus_fw-la but_o to_o examine_v this_o experiment_n as_o it_o concern_v the_o present_a controversy_n we_o may_v recall_v to_o mind_n that_o we_o former_o show_v in_o the_o answer_n to_o our_o author_n three_o argument_n that_o when_o the_o mercurial_a cylinder_n that_o lean_v upon_o the_o restagnant_fw-la mercury_n have_v at_o the_o other_o end_n of_o it_o air_n keep_v from_o any_o intercourse_n with_o the_o atmosphere_n that_o include_v air_n have_v so_o much_o of_o the_o pressure_n of_o the_o external_a air_n take_v off_o from_o it_o as_o counterpoise_n the_o mercurial_a cylinder_n and_o the_o finger_n that_o be_v expose_v to_o the_o whole_a pressure_n of_o the_o ambient_fw-la air_n in_o some_o of_o its_o part_n and_o in_o other_o but_o to_o the_o much_o faint_a pressure_n of_o the_o include_v air_n endure_v a_o unusual_a pressure_n from_o the_o preponderate_a power_n of_o the_o atmosphere_n we_o may_v consider_v also_o that_o there_o be_v against_o the_o thorax_n and_o those_o muscle_n of_o the_o abdomen_fw-la that_o be_v subservient_fw-fr to_o respiration_n the_o pressure_n of_o the_o whole_a ambient_fw-la air._n which_o pressure_n notwithstanding_o the_o muscle_n design_v for_o the_o use_n of_o respiration_n be_v able_a without_o any_o considerable_a resistance_n to_o dilate_v the_o thorax_n at_o pleasure_n because_o as_o fast_o as_o they_o open_v the_o chest_n and_o by_o dilate_v it_o weaken_v the_o spring_n of_o that_o air_n which_o be_v then_o within_o the_o body_n the_o external_a air_n by_o flow_v in_o for_o want_v of_o find_v the_o usual_a resistance_n there_o keep_v that_o within_o the_o thorax_n in_o a_o aequilibrium_fw-la of_o force_n with_o that_o without_o these_o thing_n premise_v it_o be_v not_o difficult_a in_o our_o hypothesis_n to_o give_v a_o answer_n to_o our_o examiner_n experiment_n for_o we_o say_v when_o a_o cylinder_n of_o mercury_n be_v raise_v in_o the_o tube_n to_o any_o considerable_a height_n the_o pressure_n of_o the_o air_n in_o the_o thorax_n be_v lessen_v by_o the_o whole_a weight_n of_o that_o mercurial_a cylinder_n and_o consequent_o the_o respiratory_n muscle_n be_v thereby_o disable_v to_o dilate_v the_o chest_n as_o free_o as_o they_o be_v wont_a by_o reason_n of_o the_o prevalency_n of_o the_o undiminish_a pressure_n of_o the_o external_a air_n against_o the_o weaken_a pressure_n of_o the_o internal_a but_o if_o instead_o of_o mercury_n you_o substitute_v water_n so_o short_a a_o cylinder_n of_o that_o comparative_o light_a liquor_n take_v off_o so_o little_a of_o the_o pressure_n of_o the_o include_v air_n that_o it_o come_v into_o the_o lung_n with_o almost_o its_o usual_a strength_n and_o consequent_o with_o almost_o as_o much_o force_n as_o the_o outward_a air_n press_v with_o against_o the_o thorax_n and_o on_o this_o occasion_n there_o occur_v to_o my_o thought_n a_o noble_a experiment_n of_o the_o most_o ingenious_a mounseur_fw-fr paschal_n which_o clear_o show_v that_o if_o we_o can_v free_v the_o upper_a part_n of_o such_o a_o tube_n as_o we_o be_v now_o consider_v from_o the_o pressure_n of_o all_o internal_a air_n it_o will_v follow_v as_o the_o examiner_n say_v it_o shall_v that_o the_o quicksilyer_n will_v by_o the_o pressure_n of_o the_o outward_a air_n be_v impel_v up_o into_o the_o tube_n as_o well_o as_o water_n till_o it_o have_v attain_v a_o height_n great_a enough_o to_o make_v its_o weight_n not_o inferior_a but_o equal_a to_o that_o of_o the_o atmosphere_n the_o experiment_n itself_o be_v so_o pertinent_a and_o considerable_a we_o shall_v annex_v it_o in_o the_o same_o word_n wherein_o it_o be_v relate_v by_o his_o countryman_n and_o acquaintance_n the_o learned_a and_o candid_a gassendus_fw-la neque_fw-la hoc_fw-la verò_fw-la solum_fw-la sed_fw-la insuper_fw-la vitreo_fw-la experimento_fw-la diabete_fw-la clysteréve_n ea_fw-la qua_fw-la par_fw-fr fuerit_fw-la longitudine_fw-la confecto_fw-la &_o post_fw-la embolum_fw-la ad_fw-la orificium_fw-la usque_fw-la compulsum_fw-la immisso_fw-la ad_fw-la normam_fw-la in_o subjectum_fw-la hydrargyrum_fw-la deprehendit_fw-la ubi_fw-la embolum_fw-la sensim_fw-la deinde_fw-la educitur_fw-la consequi_fw-la hydrargurum_fw-la ascendereque_fw-la ad_fw-la eandem_fw-la usque_fw-la duorum_fw-la pedum_fw-la &_o digitorum_fw-la trium_fw-la eum_fw-la semisse_fw-la altitudinem_fw-la to_o which_o he_o immediate_o subjoin_v a_o circumstance_n very_o considerable_a to_o the_o present_a controversy_n in_o the_o follow_a clause_n ac_fw-la ubi_fw-la deinceps_fw-la adhibita_fw-la licet_fw-la non_fw-la majore_fw-la vi_fw-la embolum_fw-la altius_fw-la educitur_fw-la consistere_fw-la hydrargyrum_fw-la neque_fw-la amplius_fw-la consequi_fw-la ac_fw-la fieri_fw-la interim_n inane_fw-la quod_fw-la spatium_fw-la intercipitur_fw-la ab_fw-la ipso_fw-la ad_fw-la embolum_fw-la usque_fw-la thus_o far_o he_o so_o that_o as_o to_o the_o examiner_n experiment_n we_o may_v well_o explicate_v it_o in_o our_o hypothesis_n by_o say_v that_o agreeable_o to_o it_o it_o happen_v that_o in_o a_o more_o forcible_a respiration_n the_o mercurial_a cylinder_n be_v raise_v high_a than_o in_o a_o more_o languid_a because_o in_o the_o former_a case_n the_o chest_n be_v more_o dilate_v the_o include_v air_n be_v also_o more_o expanded_a whereby_o its_o debilitate_a spring_n can_v as_o before_o enable_v the_o mercurial_a cylinder_n to_o counterpoise_v altogether_o the_o pressure_n of_o the_o ambient_fw-la air._n and_o that_o the_o reason_n why_o the_o quicksilver_n be_v not_o by_o respiration_n raise_v as_o high_a as_o it_o be_v keep_v suspend_v in_o the_o
tubum_fw-la non_fw-la mere_a tangere_fw-la ejus_fw-la summitatem_fw-la ut_fw-la primo_fw-la aspectu_fw-la videtur_fw-la 38._o sed_fw-la eidem_fw-la quoque_fw-la firmiter_fw-la adhaerere_fw-la patet_fw-la hoc_fw-la subjoin_v he_o experimento_fw-la illo_fw-la in_o primo_fw-la argumento_fw-la capitis_fw-la tertii_fw-la de_fw-la tubo_fw-la utrinque_fw-la aperto_fw-la but_o what_o be_v to_o be_v answer_v to_o this_o proof_n may_v be_v easy_o gather_v from_o what_o we_o have_v reply_v to_o that_o argument_n and_o to_o what_o our_o author_n add_v to_o prove_v that_o the_o adhesion_n of_o the_o finger_n be_v to_o the_o subjacent_a mercury_n not_o to_o the_o tube_n namely_o that_o licet_fw-la illud_fw-la tubi_fw-la orificium_fw-la oleo_fw-la aliâve_fw-la materiâ_fw-la adhaesionem_fw-la impediente_fw-la inungatur_fw-la non_fw-la minus_fw-la tamen_fw-la firmiter_fw-la 38._o adhaerebit_fw-la digitus_fw-la quam_fw-la priùs_fw-la a_o answer_n may_v be_v draw_v from_o the_o same_o place_n nor_o perhaps_o will_v his_o reason_v much_o satisfy_v those_o who_o consider_v that_o body_n by_o trusion_n may_v easy_o enough_o be_v make_v stick_n together_o as_o much_o as_o in_o our_o case_n the_o tube_n and_o finger_n do_v notwithstanding_o one_o of_o they_o be_v anoint_a with_o oil_n and_o that_o this_o adhesion_n of_o the_o finger_n to_o the_o tube_n be_v to_o be_v meet_v with_o in_o case_n where_o the_o surface_n of_o the_o include_v quicksilver_n be_v not_o contiguous_a to_o the_o finger_n but_o many_o inch_n below_o as_o for_o what_o he_o add_v concern_v the_o reason_n why_o water_n and_o quicksilver_n ascend_v by_o suction_n we_o have_v already_o teach_v what_o be_v to_o be_v answer_v to_o it_o by_o ascribe_v that_o ascension_n to_o the_o pressure_n of_o the_o external_a air_n without_o any_o need_n of_o have_v recourse_n to_o a_o funiculus_fw-la or_o imagine_v with_o he_o in_o this_o place_n that_o because_o nothing_o beside_o the_o water_n or_o quicksilver_n can_v insuch_v case_n succeed_v the_o air_n which_o yet_o be_v not_o easy_a to_o be_v prove_v in_o reference_n to_o a_o thin_a aethereal_a substance_n therefore_o part_n ipsius_fw-la aëris_fw-la to_o use_v his_o expression_n sic_fw-la tubo_fw-la inclusae_fw-la quae_fw-la alias_o tam_fw-la facile_fw-la 40._o separantur_fw-la nunc_fw-la tam_fw-la fortiter_fw-la sibi_fw-la inuicem_fw-la agglutinentur_fw-la ut_fw-la validissimam_fw-la uti_fw-la videmus_fw-la conficiunt_fw-la catenam_fw-la qua_fw-la non_fw-la solum_fw-la aqua_fw-la sed_fw-la ponderosum_fw-la illud_fw-la argentum_fw-la sic_fw-la in_o altum_fw-la trahatur_fw-la which_o way_n of_o wreathe_v a_o little_a rarefy_a air_n into_o so_o strong_a a_o rope_n how_o probable_a it_o be_v i_o will_v for_o a_o while_o leave_v the_o reader_n to_o judge_v and_o advance_v to_o our_o author_n second_o notandum_fw-la which_o he_o thus_o propose_v rarefactionem_fw-la sive_fw-la extensionem_fw-la corporis_fw-la ad_fw-la occupandum_fw-la majorem_fw-la locum_fw-la fieri_fw-la non_fw-la solo_fw-la calore_fw-la sed_fw-la etiam_fw-la distensione_n 41._o seu_fw-la vi_fw-la divulsiuâ_fw-la sicut_fw-la è_fw-la contra_fw-la condensatio_fw-la non_fw-la solo_fw-la frigore_fw-la perficitur_fw-la sedetiam_fw-la compressione_n uti_fw-la innumeŕa_fw-la passim_fw-la docent_fw-la exempla_fw-la and_o it_o be_v true_a and_o obvious_a that_o the_o condensation_n of_o body_n take_v that_o word_n in_o a_o large_a sense_n may_v be_v make_v as_o well_o by_o compression_n as_o cold_a but_o i_o wish_v he_o have_v more_o clear_o express_v what_o he_o mean_v in_o this_o place_n by_o that_o rarefaction_n which_o he_o say_v be_v to_o be_v make_v by_o distension_n or_o a_o vis_fw-la divulsiva_fw-la whereof_o he_o tell_v we_o there_o be_v innumerable_a instance_n for_o as_o far_o as_o may_v be_v gather_v from_o the_o three_o example_n he_o subjoin_v it_o be_v only_o the_o air_n that_o be_v capable_a of_o be_v so_o extend_v as_o his_o hypothesis_n require_v quicksilver_n and_o even_a stone_n must_v be_v and_o i_o know_v not_o how_o it_o will_v be_v prove_v that_o even_o air_n may_v be_v thus_o extend_v so_o far_o as_o in_o the_o magdeburg_n experiment_n to_o fill_v a_o place_n more_o than_o two_o thousand_o time_n as_o big_a as_o that_o it_o fill_v before_o for_o that_o the_o same_o air_n in_o this_o and_o his_o two_o forego_v instance_n do_v adequate_o fill_v more_o space_n at_o one_o time_n than_o another_o he_o prove_v but_o by_o the_o rush_n in_o of_o water_n into_o the_o evacuated_a glass_n and_o fill_v it_o within_o a_o little_a quite_o full_a which_o he_o say_v be_v do_v by_o the_o distend_v air_n that_o contract_n itself_o draw_v up_o the_o water_n with_o it_o which_o explication_n how_o much_o less_o likely_a it_o be_v than_o that_o the_o water_n be_v in_o such_o case_n impel_v up_o by_o the_o pressure_n of_o the_o atmosphere_n we_o shall_v anon_o when_o we_o come_v to_o discuss_v his_o way_n of_o rarefaction_n and_o condensation_n have_v occasion_n to_o examine_v in_o the_o mean_a time_n let_v we_o consider_v with_o he_o the_o explication_n which_o after_o have_v promise_v the_o two_o above_o recite_v observation_n he_o give_v we_o of_o his_o funiculus_fw-la cum_fw-la per_fw-la primum_fw-la notandum_fw-la argentum_fw-la it_o a_o adhaereat_fw-la tubi_fw-la vertici_fw-la &_o per_fw-la secundum_fw-la rarefactio_fw-la 41._o fiat_fw-la per_fw-la meram_fw-la corporis_fw-la distensionem_fw-la it_o a_o rem_fw-la se_fw-la habere_fw-la ut_fw-la argentum_fw-la descendens_fw-la à _fw-la vertice_fw-la tubi_fw-la affixam_fw-la eirelinquat_fw-la superficiem_fw-la svam_fw-la extimam_fw-la sive_fw-la supremam_fw-la eamque_fw-la eousque_fw-la svo_fw-la pondere_fw-la extendat_fw-la extenuetque_fw-la donec_fw-la facilius_fw-la sit_fw-la aliam_fw-la superficiem_fw-la similiter_fw-la relinquere_fw-la quam_fw-la priorem_fw-la illam_fw-la ulterius_fw-la extendere_fw-la secundam_fw-la igitur_fw-la relinquit_fw-la eamque_fw-la eodem_fw-la modo_fw-la descendendo_fw-la extendit_fw-la donec_fw-la facilius_fw-la sit_fw-la tertiam_fw-la adhuc_fw-la separari_fw-la quam_fw-la illam_fw-la secundam_fw-la extendere_fw-la ulterius_fw-la &_o sic_fw-la deinceps_fw-la donec_fw-la tandem_fw-la vires_fw-la amplius_fw-la non_fw-la habeat_fw-la superficies_n sic_fw-la separandi_fw-la &_o extendendi_fw-la nempe_fw-la donec_fw-la perveniat_fw-la ad_fw-la altitudinem_fw-la digitorum_fw-la duntaxat_fw-la 29½_n ubi_fw-la quiescit_fw-la ut_fw-la capite_fw-la primo_fw-la dictum_fw-la est_fw-la thus_o far_o our_o examiner_n explication_n by_o which_o it_o be_v easy_a to_o discern_v that_o he_o be_v fain_o to_o assign_v his_o funiculus_fw-la a_o way_n of_o be_v produce_v strange_a and_o unparalleled_a enough_o for_o not_o to_o repeat_v our_o animadversion_n upon_o the_o first_o of_o the_o two_o notandum_n on_o which_o the_o explication_n be_v ground_v i_o must_v demand_v by_o what_o force_n upon_o the_o bare_a separation_n of_o the_o quicksilver_n and_o the_o top_n of_o the_o tube_n the_o new_a body_n he_o mention_n come_v to_o be_v produce_v or_o at_o least_o how_o it_o appear_v that_o the_o mercury_n leave_v any_o such_o thing_n as_o he_o speak_v of_o behind_o it_o for_o the_o sense_n perceive_v no_o such_o matter_n at_o the_o top_n of_o the_o tube_n nor_o be_v it_o necessary_a to_o explicate_v the_o phaenomena_n as_o we_o have_v former_o see_v it_o may_v also_o be_v marvel_v at_o that_o the_o bare_a weight_n of_o the_o descend_a mercury_n shall_v be_v able_a to_o extend_v a_o surface_n into_o a_o body_n and_o beside_o it_o seem_v precarious_o affirm_v that_o there_o be_v such_o a_o successive_a leave_v behind_o of_o one_o surface_n after_o another_o as_o be_v here_o imagine_a nor_o do_v it_o at_o all_o appear_v how_o though_o some_o of_o the_o quicksilver_n be_v turn_v into_o a_o thin_a subtle_a substance_n yet_o that_o substance_n come_v to_o be_v contrive_v into_o a_o funiculus_fw-la of_o so_o strange_a a_o nature_n that_o scarce_o any_o weight_n for_o aught_o appear_v by_o his_o doctrine_n can_v be_v able_a to_o break_v it_o that_o contrary_a to_o all_o other_o string_n it_o may_v be_v stretch_v without_o be_v make_v more_o slender_a and_o that_o it_o have_v other_o very_a odd_a property_n some_o of_o which_o we_o shall_v anon_o have_v occasion_n to_o mention_v as_o for_o what_o our_o author_n subjoin_v in_o these_o word_n eodem_fw-la itaque_fw-la fere_n modo_fw-la separari_fw-la videntur_fw-la hae_fw-la superficies_n ab_fw-la argento_fw-la descendente_fw-la &_o in_o tenuissimum_fw-la quendam_fw-la funiculum_fw-la 44._o per_fw-la descendens_fw-la pondus_fw-la extendi_fw-la quo_fw-la per_fw-la calorem_fw-la in_o accensa_fw-la candela_fw-la separantur_fw-la hujusmodi_fw-la superficies_n à _fw-la subject_n a_o cera_fw-la aut_fw-la sevo_fw-la &_o in_o subtilissimam_fw-la flammam_fw-la extenuantur_fw-la vbinotatu_fw-la dignum_fw-la quemadmodum_fw-la flamma_fw-la illaplusquam_fw-la millies_fw-la sine_fw-la dubio_fw-la majus_fw-la spatium_fw-la occupo_fw-la quam_fw-la antea_fw-la occupaverat_fw-la pars_fw-la illa_fw-la cerae_fw-la ex_fw-la qua_fw-la conficitur_fw-la ita_fw-la prorsus_fw-la &_o hic_fw-la existimandum_fw-la funiculum_fw-la illum_fw-la plusquam_fw-la millies_fw-la majus_fw-la spatium_fw-la occupare_fw-la quam_fw-la prius_fw-la occupaverat_fw-la illa_fw-la argenti_fw-la particula_fw-la ex_fw-la qua_fw-la sit_fw-la exortus_fw-la uti_fw-la etiam_fw-la sine_fw-la dubio_fw-la contingit_fw-la quando_fw-la talis_fw-la particula_fw-la à _fw-la subjecto_fw-la igne_fw-la in_o vaporem_fw-la convertitur_fw-la though_o it_o be_v
in_o that_o hypothesis_n it_o can_v scarce_o be_v otherwise_o wherefore_o i_o shall_v only_o add_v on_o this_o occasion_n that_o it_o be_v not_o clear_a to_o i_o that_o even_o such_o a_o divisibility_n of_o a_o continuum_fw-la as_o be_v here_o suppose_v will_v make_v out_o the_o rarefaction_n he_o contend_v for_o for_o let_v the_o integrant_fw-la part_n of_o a_o continuum_fw-la be_v more_o or_o less_o finite_a or_o infinite_a in_o number_n yet_o still_o each_o part_n be_v a_o corporeal_a substance_n must_v have_v some_o particle_n of_o space_n commensurate_a to_o it_o and_o if_o the_o whole_a body_n be_v rarefy_v for_o instance_n to_o twice_o its_o former_a bigness_n then_o will_v each_o part_n be_v likewise_o extend_v to_o double_v its_o former_a dimension_n and_o fill_v both_o the_o place_n it_o take_v up_o before_o and_o another_o equal_a to_o it_o and_o so_o two_o place_n the_o second_o argument_n allege_v to_o recommend_v the_o hithertomentioned_n way_n of_o explicate_a rarefaction_n be_v that_o many_o learned_a man_n among_o who_o he_o name_v two_o aquinas_n and_o suarez_n have_v teach_v that_o the_o same_o corporeal_a thing_n may_v natural_o be_v and_o de_fw-fr facto_fw-la often_o be_v in_o the_o soul_n of_o brute_n real_o indivisible_a and_o virtual_o extend_v but_o though_o i_o pay_v those_o two_o author_n a_o just_a respect_n for_o their_o great_a skill_n in_o scholastical_a and_o metaphysical_a learning_n yet_o the_o examiner_n can_v ignore_v that_o i_o can_v make_v a_o long_a catalogue_n of_o writer_n both_o ancient_a and_o modern_a at_o least_o as_o well_o verse_v in_o natural_a philosophy_n as_o saint_n thomas_n and_o suarez_n who_o have_v some_o of_o they_o in_o express_a word_n deny_v this_o to_o be_v natural_o possible_a and_o other_o have_v declare_v themselves_o of_o the_o same_o judgement_n by_o establish_v principle_n with_o which_o this_o conceit_n of_o the_o virtual_a extension_n of_o the_o indivisible_a corpuscle_n be_v absolute_o inconsistent_a and_o though_o no_o author_n have_v hitherto_o oppose_v it_o yet_o i_o that_o dispute_v not_o what_o this_o or_o that_o man_n think_v but_o what'tis_o rational_a to_o think_v shall_v nevertheless_o not_o scruple_n to_o reject_v it_o now_o and_o shall_v not_o doubt_v to_o find_v store_n of_o the_o best_a naturalist_n of_o the_o same_o opinion_n with_o i_o and_o perhaps_o among_o they_o the_o examiner_n himself_o who_o however_o this_o acknowledgement_n may_v agree_v with_o the_o three_o follow_a chapter_n of_o his_o book_n tell_v we_o pag._n 160._o that_o juxta_fw-la probabiliorem_fw-la sententiam_fw-la hujusmodi_fw-la virtualis_fw-la extensio_fw-la rei_fw-la corporeae_fw-la concedenda_fw-la non_fw-la est_fw-la utpote_fw-la soli_fw-la rei_fw-la spirituali_fw-la propria_fw-la but_o to_o conclude_v at_o length_n this_o tedious_a enquiry_n into_o the_o aristotelean_a way_n of_o rarefaction_n which_o be_v of_o so_o obscure_a a_o nature_n that_o it_o can_v scarce_o be_v either_o propose_v or_o examine_v in_o few_o word_n i_o will_v not_o take_v upon_o i_o resolute_o to_o affirm_v which_o of_o the_o two_o way_n of_o explicate_v it_o by_o atom_n or_o by_o part_n infinite_o divisible_a our_o author_n declare_v himself_o for_o but_o which_o of_o they_o soever_o it_o be_v i_o think_v i_o have_v show_v that_o he_o have_v not_o intelligible_o make_v it_o out_o and_o i_o make_v the_o less_o scruple_n to_o do_v so_o because_o he_o himself_o be_v so_o ingenuous_a as_o at_o the_o close_a of_o his_o discourse_n of_o the_o two_o way_n to_o speak_v thus_o of_o the_o opinion_n he_o prefer_v praestat_fw-la communi_fw-la &_o receptae_fw-la hactenus_fw-la in_o scholis_fw-la sententiae_fw-la insistere_fw-la quae_fw-la licet_fw-la 169._o difficultates_fw-la quidem_fw-la non_fw-la clarè_v solvat_fw-la iis_fw-la tamen_fw-la aperte_fw-la non_fw-la succumbit_fw-la so_o that_o in_o this_o discourse_n of_o rarefaction_n to_o which_o our_o author_n have_v so_o often_o in_o the_o forego_n part_n of_o the_o book_n refer_v we_o as_o that_o which_o shall_v make_v good_a what_o there_o seem_v the_o most_o improbable_a he_o have_v but_o instead_o of_o a_o probable_a hypothesis_n needless_o reject_v substitute_v a_o doctrine_n which_o himself_o dare_v not_o pretend_v capable_a of_o be_v well_o free_v from_o the_o difficulty_n with_o which_o it_o may_v be_v charge_v though_o i_o doubt_v not_o but_o other_o reader_n especial_o naturalist_n will_v think_v he_o have_v be_v very_o civil_a to_o this_o obscure_a doctrine_n in_o say_v that_o difficultatibus_fw-la non_fw-la aperte_fw-la succumbit_fw-la as_o for_o the_o other_o way_n of_o explicate_a rarefaction_n namely_o by_o suppose_v that_o a_o body_n be_v make_v up_o of_o part_n indivisible_a he_o will_v not_o i_o presume_v deny_v but_o that_o the_o objection_n we_o former_o make_v against_o it_o be_v weighty_a for_o according_a to_o this_o hypothesis_n which_o one_o will_v think_v he_o prefer_v since_o he_o make_v use_v of_o it_o in_o the_o three_o or_o four_o last_o chapter_n of_o his_o book_n necessariò_fw-la fatendum_fw-la est_fw-la say_v he_o unam_fw-la eandemque_fw-la partem_fw-la poni_fw-la 163._o in_o duplici_fw-la loco_fw-la adaequate_fw-la cum_fw-la enim_fw-la indivisibilis_fw-la sit_fw-la locumque_fw-la occupet_fw-la majorem_fw-la quam_fw-la prius_fw-la necesse_fw-la est_fw-la ut_fw-la tota_fw-la sit_fw-la in_o quolibet_fw-la punato_fw-la totius_fw-la lici_fw-la sive_fw-la ut_fw-la per_fw-la totum_fw-la illud_fw-la spatium_fw-la virtualiter_fw-la extendatur_fw-la so_o that_o when_o hein_o the_o very_a next_o page_n affirm_v that_o by_o this_o virtual_a extension_n of_o the_o part_n the_o difficulty_n that_o have_v for_o so_o many_o age_n trouble_v philosopher_n may_v be_v easy_o solve_v he_o must_v give_v i_o leave_v who_o love_n to_o speak_v intelligible_o and_o not_o to_o admit_v what_o i_o can_v understand_v to_o desire_v he_o will_v explain_v to_o i_o what_o this_o extensto_fw-la virtualis_fw-la be_v and_o how_o it_o will_v remove_v the_o difficulty_n that_o i_o former_o charge_v upon_o the_o aristotelean_a rarefaction_n for_o the_o easy_a consideration_n of_o this_o matter_n let_v we_o resume_v what_o we_o late_o suppose_v namely_o that_o in_o the_o magdeburgick_a experiment_n the_o half_a inch_n of_o undilated_a air_n consist_v of_o a_o hundred_o corpuscle_n i_o demand_v how_o the_o indivisibility_n of_o these_o corpuscle_n will_v qualify_v they_o to_o make_v out_o such_o a_o rarefaction_n as_o the_o author_n imagine_v for_o what_o do_v their_o be_v indivisible_a do_v in_o this_o case_n but_o make_v it_o the_o less_o intelligible_a how_o they_o can_v fill_v above_o a_o hundred_o part_n of_o space_n it_o be_v easy_a to_o foresee_v he_o will_v answer_v that_o they_o be_v virtual_o extend_v but_o not_o here_o to_o question_v how_o their_o indivisibility_n make_v they_o capable_a of_o be_v so_o i_o demand_v whether_o by_o a_o atom_n be_v virtual_o extend_v its_o 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of_o a_o good_a largeness_n and_o depth_n to_o prevent_v the_o loss_n of_o the_o quicksilver_n that_o may_v fall_v aside_o in_o the_o transfusion_n from_o the_o vessel_n into_o the_o pipe_n and_o to_o receive_v the_o whole_a quicksilver_n in_o case_n the_o tube_n shall_v break_v 3._o that_o we_o be_v two_o to_o make_v the_o observation_n together_o the_o one_o to_o take_v notice_n at_o the_o bottom_n how_o the_o quicksilver_n rise_v in_o the_o short_a cylinder_n and_o the_o other_o to_o pour_v in_o at_o the_o top_n of_o the_o long_o it_o be_v very_o hard_a and_o troublesome_a for_o one_o man_n alone_o to_o do_v both_o accurate_o 4._o that_o the_o quicksilver_n be_v pour_v in_o but_o by_o little_a and_o little_a according_a to_o the_o direction_n of_o he_o that_o observe_v below_o it_o be_v far_o easy_a to_o pour_v in_o more_o than_o to_o take_v out_o any_o in_o case_n too_o much_o at_o once_o have_v be_v pour_v in_o 5._o that_o at_o the_o begin_n of_o the_o operation_n that_o we_o 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hundred_o inch_n high_a to_o cause_v one_o to_o suck_v at_o the_o open_a orifice_n whereupon_o as_o we_o expect_v the_o mercury_n in_o the_o tube_n do_v notable_o ascend_v which_o considerable_a phaenomenon_n can_v be_v ascribe_v to_o our_o examiner_n funiculus_fw-la since_o by_o his_o own_o confession_n that_o can_v pull_v up_o the_o mercury_n if_o the_o mercurial_a cylinder_n be_n above_o 29_o or_o 30_o inch_n of_o mercury_n and_o therefore_o we_o shall_v render_v this_o reason_n of_o it_o that_o the_o pressure_n of_o the_o incumbent_a air_n be_v in_o part_n take_v off_o by_o its_o expanding_n itself_o into_o the_o sucker_n dilate_a chest_n the_o imprison_a air_n be_v thereby_o enable_v to_o dilate_v itself_o manifest_o and_o repel_v the_o mercury_n that_o compress_v it_o till_o there_o be_v a_o equality_n of_o force_n betwixt_o the_o strong_a spring_n of_o that_o compress_a air_n on_o the_o one_o part_n and_o the_o tall_a mercurial_a cylinder_n together_o with_o the_o contiguous_a dilate_a air_n on_o the_o other_o part_n now_o if_o to_o what_o we_o have_v thus_o deliver_v concern_v the_o compression_n of_o air_n we_o add_v some_o observation_n concern_v its_o spontaneous_a expansion_n it_o will_v the_o better_o appear_v how_o much_o the_o phaenomena_n of_o these_o mercurial_a experiment_n depend_v upon_o the_o differ_a measure_n of_o strength_n to_o be_v meet_v with_o in_o the_o air_n be_v spring_n according_a to_o its_o various_a degree_n of_o compression_n and_o laxity_n but_o before_o i_o enter_v upon_o this_o subject_n i_o shall_v ready_o acknowledge_v that_o i_o have_v not_o reduce_v the_o trial_n i_o have_v make_v about_o measure_v the_o expansion_n of_o the_o air_n to_o any_o certain_a hypothesis_n when_o that_o ingenious_a gentleman_n mr._n richard_n townley_n be_v please_v to_o inform_v i_o that_o have_v by_o the_o perusal_n of_o my_o physicomechanical_a experiment_n be_v satisfy_v that_o the_o spring_n of_o the_o air_n be_v the_o cause_n of_o it_o he_o have_v endeavour_v and_o i_o wish_v in_o such_o attempt_v other_o ingenious_a man_n will_v follow_v his_o example_n to_o supply_v what_o i_o have_v omit_v concern_v the_o reduce_n to_o a_o precise_a estimate_n how_o much_o air_n dilate_v of_o itself_o lose_v of_o its_o elastical_a force_n according_a to_o the_o measure_n of_o its_o dilatation_n he_o add_v that_o he_o have_v begin_v to_o set_v down_o what_o occur_v to_o he_o to_o this_o purpose_n in_o a_o short_a discourse_n whereof_o he_o afterward_o do_v i_o the_o favour_n to_o show_v i_o the_o beginning_n which_o give_v i_o a_o just_a curiosity_n to_o see_v it_o perfect_v but_o because_o i_o neither_o know_v nor_o by_o reason_n of_o the_o great_a distance_n betwixt_o our_o place_n of_o residence_n have_v at_o present_a the_o opportunity_n to_o inquire_v whether_o he_o will_v think_v fit_a to_o annex_v his_o discourse_n to_o our_o appendix_n or_o to_o publish_v it_o by_o itself_o or_o at_o all_o and_o because_o he_o have_v not_o yet_o for_o aught_o i_o know_v meet_v with_o fit_a glass_n to_o make_v a_o any-thing-accurate_a table_n of_o the_o decrement_n of_o the_o force_n of_o dilate_a air_n our_o present_a design_n invite_v we_o to_o present_v the_o reader_n with_o that_o which_o follow_v wherein_o i_o have_v the_o assistance_n of_o the_o same_o person_n that_o i_o take_v notice_n of_o in_o the_o former_a chapter_n as_o have_v write_v something_o about_o rarefaction_n who_o i_o the_o rather_o make_v mention_n of_o on_o this_o occasion_n because_o when_o he_o first_o hear_v i_o speak_v of_o mr._n townley_n supposition_n about_o the_o proportion_n wherein_o air_n lose_v of_o its_o spring_n by_o dilatation_n he_o tell_v i_o he_o have_v the_o year_n before_o and_o not_o long_o after_o the_o publication_n of_o my_o pneumatical_a treatise_n make_v observation_n to_o the_o same_o purpose_n which_o he_o acknowledge_v
vitrum_fw-la quia_fw-la per_fw-la exhaustionem_fw-la illam_fw-la late_a a_o ejus_fw-la vehementiùs_fw-la introrsum_fw-la sint_fw-la attracta_fw-la quam_fw-la ut_fw-la ob_fw-la figuram_fw-la illam_fw-la resistendo_fw-la minus_fw-la idoneam_fw-la resistere_fw-la potuerint_fw-la cum_fw-la enim_fw-la inclusus_fw-la aër_fw-la lateribus_fw-la vitri_fw-la firmissimè_fw-la adhaereat_fw-la nihil_fw-la aliud_fw-la erit_fw-la aërem_fw-la illum_fw-la sic_fw-la exhaurire_fw-la quam_fw-la satagere_fw-la latera_fw-la vitri_fw-la introrsum_fw-la flectere_fw-la by_o what_o we_o have_v already_o discourse_v about_o the_o funiculus_fw-la the_o reader_n may_v easy_o discern_v what_o be_v to_o be_v answer_v nor_o do_v our_o author_n here_o show_v we_o any_o way_n by_o which_o his_o imaginary_a string_n shall_v take_v such_o fast_a hold_n of_o the_o side_n of_o the_o glass_n as_o to_o be_v able_a to_o draw_v they_o together_o notwithstanding_o the_o resistance_n they_o find_v from_o the_o close_a texture_n of_o the_o body_n to_o be_v break_v the_o 9_o experiment_n our_o explication_n of_o the_o nine_o experiment_n he_o handle_v very_o severe_o for_o have_v brief_o recite_v it_o he_o propose_v his_o objection_n against_o it_o thus_o sed_fw-la profecto_fw-la nimis_fw-la longè_fw-la videtur_fw-la hoc_fw-la à _fw-la veritate_fw-la recedere_fw-la potestque_fw-la vel_fw-la inde_fw-la solum_fw-la satis_fw-la refutari_fw-la quia_fw-la si_fw-la tanta_fw-la sit_fw-la pressura_fw-la aëris_fw-la sic_fw-la per_fw-la tubum_fw-la illum_fw-la in_o phialam_fw-la descendentis_fw-la ut_fw-la ipsam_fw-la phialam_fw-la perfringat_fw-la deberet_fw-la profecto_fw-la inclusam_fw-la aquam_fw-la cui_fw-la immergitur_fw-la ille_fw-la tubus_fw-la valde_fw-la quoque_fw-la ante_fw-la fractionem_fw-la phialae_fw-la commovere_fw-la bullulasque_fw-la in_o eadem_fw-la excitare_fw-la etc._n etc._n ut_fw-la constat_fw-la siquis_fw-la insufflando_fw-la per_fw-la illum_fw-la tubulum_fw-la aquam_fw-la vel_fw-la mediocriter_fw-la sic_fw-la premat_fw-la at_o certum_fw-la est_fw-la aquam_fw-la antequam_fw-la frangatur_fw-la sic_fw-la phiala_fw-la nec_fw-la tantillum_fw-la moveri_fw-la ut_fw-la experienti_fw-la constabit_fw-la but_o i_o do_v confess_v i_o do_v for_o all_o this_o think_v our_o explication_n more_o true_a than_o well_o consider_v by_o our_o author_n for_o the_o put_n of_o water_n into_o the_o vial_n that_o be_v break_v be_v do_v as_o be_v clear_o intimate_v in_o the_o begin_n of_o our_o narrative_n upon_o a_o particular_a design_n as_o indeed_o we_o try_v divers_a other_o thing_n with_o our_o engine_n not_o so_o much_o with_o immediate_a reference_n to_o the_o spring_n of_o the_o air_n as_o to_o make_v use_n of_o such_o trial_n in_o some_o other_o of_o our_o write_n and_o according_o in_o the_o second_o trial_n mention_v in_o the_o same_o experiment_n the_o water_n be_v omit_v but_o notwithstanding_o this_o water_n the_o side_n of_o the_o glass_n be_v expose_v to_o the_o pressure_n of_o the_o atmosphere_n have_v that_o whole_a pressure_n against_o they_o before_o the_o exhaustion_n of_o the_o receiver_n so_o that_o there_o need_v no_o such_o blow_n in_o of_o the_o air_n afresh_o as_o our_o author_n imagine_v to_o effect_v the_o break_n of_o the_o vial_n it_o be_v sufficient_a for_o that_o purpose_n that_o the_o pressure_n against_o the_o convex_a superficies_n of_o it_o be_v take_v off_o by_o the_o exhaustion_n of_o the_o receiver_n the_o pressure_n against_o the_o concave_a superficies_n remain_v as_o great_a as_o ever_o and_o therefore_o we_o need_v not_o altogether_o deny_v what_o the_o examiner_n say_v that_o licet_fw-la clausus_fw-la superne_fw-la fuisset_fw-la tubulus_n ille_fw-la eodem_fw-la tamen_fw-la modo_fw-la fract_v a_o sine_fw-la dubio_fw-la fuisset_fw-la phiala_fw-la for_o since_o in_o such_o case_n the_o air_n as_o we_o have_v often_o teach_v be_v shut_v up_o with_o the_o whole_a pressure_n of_o the_o atmosphere_n upon_o it_o it_o may_v almost_o as_o easy_o break_v the_o glass_n as_o if_o it_o be_v unstop_v and_o according_o we_o mention_v in_o the_o 36._o experiment_n the_o break_n of_o a_o thin_a glass_n hermetical_o seal_v upon_o the_o recess_n of_o the_o ambient_fw-la air._n but_o how_o confident_o soever_o our_o author_n speak_v i_o think_v fit_a to_o add_v the_o word_n almost_o because_o we_o observe_v in_o the_o 39_o experiment_n that_o such_o thin_a vial_n and_o thick_a one_o will_v not_o break_v be_v subject_a upon_o the_o withdraw_n of_o the_o ambient_fw-la air_n to_o retch_v a_o little_a whereby_o the_o spring_n of_o the_o air_n within_o the_o vial_n may_v in_o some_o case_n i_o say_v in_o some_o be_v so_o far_o weaken_v as_o not_o to_o be_v able_a to_o break_v it_o unless_o assist_v by_o the_o pressure_n of_o the_o atmosphere_n wherewith_o it_o communicate_v and_o which_o lean_v upon_o it_o and_o when_o the_o vial_n do_v actual_o begin_v to_o break_v than_o the_o pursue_a pressure_n of_o the_o outward_a air_n upon_o the_o yield_a air_n within_o the_o vial_n may_v help_v to_o throw_v the_o part_n of_o the_o glass_n more_o forcible_o asunder_o all_o the_o experiment_n from_o the_o 9_o to_o the_o 17._o exclusive_o our_o examiner_n leave_v uncensured_a we_o may_v with_o he_o advance_v to_o the_o consideration_n of_o the_o 17._o the_o 17_o experiment_n defend_v in_o this_o we_o relate_v how_o when_o we_o make_v the_o torricellian_a experiment_n we_o shut_v up_o the_o restagnant_fw-la mercury_n together_o with_o the_o tube_n and_o the_o suspend_v mercurial_a cylinder_n of_o about_o 29._o inch_n in_o our_o receiver_n that_o by_o draw_v off_o and_o let_v in_o the_o air_n at_o pleasure_n upon_o the_o restagnant_fw-la mercury_n and_o consequent_o weaken_v and_o increase_v its_o pressure_n we_o may_v make_v it_o more_o clear_o appear_v than_o hitherto_o have_v be_v do_v by_o experiment_n that_o the_o suspension_n of_o the_o mercurial_a cylinder_n and_o the_o height_n of_o it_o depend_v upon_o the_o great_a or_o lesser_a pressure_n of_o the_o air._n but_o against_o our_o explication_n of_o this_o experiment_n which_o have_v have_v the_o good_a fortune_n to_o convince_v and_o satisfy_v many_o ingenious_a man_n the_o examiner_n object_n nothing_o in_o particular_a content_v himself_o to_o have_v recourse_n here_o also_o to_o his_o funiculus_fw-la yet_o two_o observation_n of_o we_o he_o be_v please_v to_o take_v notice_n of_o the_o first_o be_v that_o though_o the_o quicksilver_n be_v exact_o shut_v up_o into_o our_o receiver_n after_o the_o manner_n new_o declare_v yet_o the_o suspend_v quicksilver_n do_v not_o descend_v whence_o have_v say_v that_o i_o argue_v that_o it_o be_v now_o sustain_v not_o by_o the_o counterpoise_n of_o the_o atmosphere_n but_o by_o the_o spring_n of_o the_o air_n shut_v up_o in_o the_o receiver_n he_o subjoin_v only_o this_o sed_fw-la rectius_fw-la sane_fw-la infertur_fw-la cylindrum_fw-la illum_fw-la nihil_fw-la ibidem_fw-la antea_fw-la praestitisse_fw-la but_o whether_o this_o be_v not_o gratis_o dictum_fw-la we_o leave_v the_o reader_n to_o collect_v from_o what_o we_o have_v former_o discourse_v in_o the_o second_o part_n of_o this_o defence_n of_o the_o spring_n of_o the_o air_n especial_o from_o that_o experiment_n by_o which_o it_o appear_v that_o spring_n may_v sustain_v a_o far_o high_a cylinder_n of_o quicksilver_n in_o the_o second_o observation_n he_o mention_n of_o we_o he_o summary_o recite_v our_o explication_n of_o the_o descent_n and_o ascent_n of_o the_o mercury_n in_o the_o tube_n by_o the_o debilitate_a and_o strengthen_v spring_n of_o the_o air._n but_o without_o find_v fault_n with_o our_o application_n of_o that_o principle_n to_o the_o phaenomena_n he_o say_v that_o he_o have_v sufficient_o refute_v the_o principle_n itself_o in_o the_o four_o chapter_n which_o how_o well_o he_o have_v do_v we_o have_v already_o see_v and_o therefore_o explicate_v the_o matter_n thus_o dico_fw-la igitur_fw-la say_v he_o argentum_fw-la per_fw-la illam_fw-la exhaustionem_fw-la sic_fw-la in_o tubo_fw-la descendere_fw-la quod_fw-la deorsum_fw-la trahatur_fw-la ab_fw-la aëre_fw-la qui_fw-la incumbit_fw-la argento_fw-la restagnanti_fw-la siquidem_fw-la incumbens_fw-la ille_fw-la aër_fw-la jam_fw-la per_fw-la exhaustionem_fw-la valde_fw-la rarefact_n we_o &_o extensus_fw-la sese_fw-la uchementer_fw-la contrahit_fw-la &_o contrahendo_fw-la conatur_fw-la etiam_fw-la subjectum_fw-la sibi_fw-la argentum_fw-la restagnans_fw-la è_fw-la svo_fw-la vasculo_fw-la elevare_fw-la unde_fw-la fit_a ut_fw-la argento_fw-la illo_fw-la restagnante_fw-la minus_fw-la jam_fw-la gravitante_fw-la in_o fundum_fw-la svi_fw-la vasculi_fw-la argentum_fw-la quod_fw-la est_fw-la in_o tubo_fw-la descendat_fw-la ut_fw-la per_fw-la se_fw-la patet_fw-la adeoque_fw-la mirum_fw-la non_fw-la est_fw-la quod_fw-la ingrediente_fw-la postea_fw-la aëre_fw-la externo_fw-la rursum_fw-la argentum_fw-la ascendat_fw-la cum_fw-la per_fw-la illum_fw-la ingressum_fw-la vis_fw-la illa_fw-la sic_fw-la elevans_fw-la argentum_fw-la restagnans_fw-la debilitetur_fw-la but_o this_o explication_n suppose_v such_o a_o funiculus_fw-la as_o we_o have_v already_o show_v to_o be_v but_o fictitious_a the_o reader_n will_v easy_o gather_v what_o be_v to_o be_v judge_v of_o it_o from_o what_o have_v be_v already_o deliver_v wherefore_o i_o shall_v only_o subjoin_v that_o by_o this_o explication_n be_v it_o admit_v there_o be_v only_o a_o account_n give_v of_o that_o part_n
decimo_fw-la modo_fw-la producatur_fw-la modo_fw-la abbrevietur_fw-la etc._n etc._n sicque_fw-la argentum_fw-la nunc_fw-la demittat_fw-la nunc_fw-la elevet_fw-la for_o since_o we_o have_v make_v it_o probable_a that_o the_o copious_a fume_n sometime_o sudden_o ascend_v into_o the_o air_n and_o roll_v up_o and_o down_o in_o it_o sometime_o sensible_o alter_v if_o good_a author_n may_v be_v credit_v the_o refraction_n of_o it_o and_o since_o some_o other_o cause_n mention_v in_o our_o eighteen_o experiment_n may_v alter_v the_o density_n and_o gravity_n of_o the_o air_n that_o lean_v upon_o the_o restagnant_fw-la mercury_n i_o suppose_v the_o reader_n will_v think_v it_o more_o intelligible_a and_o probable_a that_o alteration_n other_o than_o those_o produce_v by_o heat_n and_o cold_a may_v happen_v to_o the_o incumbent_a atmosphere_n which_o free_o communicate_v with_o the_o neighbour_a air_n and_o may_v thereby_o become_v sometime_o more_o stuff_v and_o sometime_o more_o destitute_a of_o adventitious_a exhalation_n than_o that_o such_o change_n shall_v happen_v to_o a_o funiculus_fw-la include_v in_o glass_n which_o according_a to_o our_o author_n be_v impervious_a to_o the_o subtle_a steam_n that_o be_v and_o concern_v which_o he_o offer_v not_o so_o much_o as_o a_o conjecture_n upon_o what_o other_o account_n it_o can_v happen_v to_o be_v sometime_o contract_v and_o sometime_o stretch_v the_o 19_o experiment_n upon_o this_o the_o examiner_n have_v only_o this_o short_a animadversion_n in_o decimo_fw-la nono_fw-la ostendit_fw-la aquam_fw-la eodem_fw-la modo_fw-la per_fw-la exhaustionem_fw-la recipientis_fw-la descendere_fw-la quo_fw-la in_o praecedente_fw-la descendere_fw-la ostenderat_fw-la argentum_fw-la vivum_fw-la cujus_fw-la cum_fw-la eadem_fw-la sit_fw-la ratio_fw-la non_fw-la est_fw-la cur_n amplius_fw-la ei_fw-la insistamus_fw-la in_o which_o word_n since_o he_o offer_v nothing_o new_a or_o peculiar_a to_o show_v any_o incongruity_n in_o our_o explication_n to_o our_o principle_n which_o agree_v very_o well_o with_o the_o new_a phaenomena_n of_o the_o experiment_n we_o be_v content_a to_o leave_v the_o reader_n to_o judge_v of_o the_o hypothesis_n themselves_o which_o of_o the_o two_o be_v the_o more_o probable_a either_o we_o that_o only_o require_v that_o the_o air_n in_o the_o receiver_n shall_v equal_o resist_v a_o cylinder_n of_o water_n and_o of_o quicksilver_n when_o their_o weight_n be_v but_o the_o same_o though_o their_o altitude_n be_v not_o or_o the_o examiner_n which_o exact_v that_o according_a to_o what_o we_o former_o elsewhere_o note_v body_n of_o such_o differ_a nature_n and_o texture_n as_o quicksilver_n and_o water_n shall_v need_v but_o just_a the_o same_o weight_n or_o strength_n to_o rarefie_v they_o into_o a_o funiculus_fw-la the_o 20_o experiment_n in_o his_o examen_fw-la of_o this_o experiment_n our_o author_n make_v i_o infer_v from_o the_o phaenomena_n he_o repeat_v that_o not_o only_o the_o air_n but_o the_o water_n also_o have_v a_o spring_n but_o though_o i_o suspect_v not_o that_o he_o do_v wilful_o mistake_v my_o sense_n yet_o by_o what_o i_o write_v in_o this_o and_o the_o follow_a experiment_n the_o reader_n may_v well_o enough_o perceive_v that_o i_o speak_v but_o very_o doubtful_o of_o a_o spring_n in_o the_o water_n nay_o and_o that_o i_o do_v in_o the_o 154_o page_n express_o teach_v that_o the_o intumescence_n of_o it_o may_v at_o least_o in_o great_a part_n proceed_v from_o that_o of_o the_o small_a parcel_n of_o air_n which_o i_o think_v to_o be_v usual_o harbour_v in_o the_o body_n of_o that_o liquor_n but_o whereas_o i_o ascribe_v the_o appearance_n of_o the_o bubble_n in_o the_o water_n to_o this_o that_o upon_o the_o exhaustion_n of_o some_o of_o the_o air_n incumbent_a on_o the_o water_n the_o pressure_n of_o what_o remain_v be_v much_o debilitate_a whereby_o the_o little_a particle_n of_o air_n lurk_v in_o the_o water_n be_v allow_v to_o expand_v themselves_o into_o bubble_n he_o reject_v this_o explication_n as_o manifest_o false_a no_o manifest_a say_v he_o si_fw-la ita_fw-la fieret_fw-la deberent_fw-la profecto_fw-la hujusmodi_fw-la bullulae_fw-la non_fw-la è_fw-la fundo_fw-la vasis_fw-la sic_fw-la ascendere_fw-la uti_fw-la tam_fw-la in_o hoc_fw-la quam_fw-la in_o sequentibus_fw-la experimentis_fw-la in_o quibus_fw-la de_fw-la istis_fw-la bullis_fw-la agitur_fw-la semper_fw-la asseritur_fw-la sed_fw-la è_fw-la superiore_fw-la parte_fw-la aquae_fw-la ubi_fw-la minus_fw-la premuntur_fw-la ut_fw-la per_fw-la se_fw-la est_fw-la manifestum_fw-la but_o why_o he_o shall_v be_v here_o so_o peremptory_a i_o confess_v i_o do_v not_o for_o all_o this_o objection_n yet_o see_v for_o in_o the_o bottom_n of_o the_o next_o page_n he_o say_v he_o will_v not_o deny_v but_o that_o aërial_a particle_n latitant_fw-la in_o the_o other_o part_n of_o the_o water_n he_o have_v before_o speak_v of_o the_o bottom_n of_o it_o may_v be_v extend_v into_o bubble_n 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upon_o by_o the_o atmosphere_n the_o ascend_a bubble_n scarce_o sensible_o increase_v in_o vessel_n no_o deep_o than_o we_o then_o with_o the_o explication_n which_o the_o examiner_n give_v in_o these_o word_n respondeo_fw-la aquam_fw-la per_fw-la illant_fw-fr aëris_fw-la exhaustionem_fw-la non_fw-la sponte_fw-la sic_fw-la ascendere_fw-la sed_fw-la sursum_fw-la violent_a trahi_fw-la ac_fw-la elevari_fw-la à _fw-la rare_a facto_fw-la illo_fw-la aëre_fw-la seize_v contrahente_fw-la quemadmodum_fw-la enim_fw-la aqua_fw-la aliqualem_fw-la patitur_fw-la compressionem_fw-la ut_fw-la experientiâ_fw-la constat_fw-la it_o a_o &_o aliqualem_fw-la quoque_fw-la hic_fw-la patitur_fw-la distentionem_fw-la atque_fw-la hinc_fw-la clarè_v patet_fw-la cur_n potius_fw-la à _fw-la fundo_fw-la va_v quam_fw-la à _fw-la parte_fw-la aquae_fw-la superiore_fw-la oriantur_fw-la hujusmodi_fw-la bullae_fw-la cum_fw-la enim_fw-la vehemens_fw-la illa_fw-la suctio_fw-la conetur_fw-la aquam_fw-la à _fw-la fundo_fw-la phialae_fw-la elevare_fw-la nascitur_fw-la ibidem_fw-la subtilis_fw-la quaedam_fw-la materia_fw-la quae_fw-la in_o bullas_fw-la conversa_fw-la sic_fw-la ascendit_fw-la uti_fw-la capite_fw-la decimo_fw-la quinto_fw-la in_o quarto_fw-la experimento_fw-la dictum_fw-la est_fw-la for_o whatever_o he_o may_v think_v it_o do_v not_o hence_o so_o clear_o appear_v how_o the_o endeavour_n only_o of_o the_o funiculus_fw-la to_o draw_v up_o the_o water_n from_o the_o bottom_n of_o the_o vial_n to_o which_o that_o endeavour_v notwithstanding_o it_o remain_v contiguous_a shall_v generate_v in_o some_o part_n of_o the_o bottom_n of_o the_o glass_n and_o not_o in_o other_o such_o a_o subtle_a matter_n as_o he_o tell_v we_o of_o and_o i_o suppose_v the_o reader_n will_v as_o well_o as_o i_o wish_v he_o have_v more_o intelligible_o declare_v how_o this_o strange_a generation_n of_o subtle_a matter_n come_v to_o be_v effect_v and_o i_o presume_v it_o will_v likewise_o be_v expect_v that_o he_o also_o declare_v why_o both_o in_o our_o case_n and_o in_o the_o torricellian_a experiment_n the_o bubble_n grow_v so_o much_o large_a by_o be_v near_o the_o top_n of_o the_o liquor_n if_o as_o he_o reject_v our_o explication_n of_o this_o circumstance_n the_o effect_n of_o the_o suction_n he_o speak_v of_o be_v great_a upon_o the_o low_a part_n of_o the_o liquor_n than_o the_o upper_a to_o which_o alone_o nevertheless_o his_o funiculus_fw-la that_o be_v say_v so_o to_o draw_v the_o liquor_n be_v contiguous_a our_o author_n make_v no_o particular_a objection_n against_o the_o 10_o follow_a experiment_n we_o also_o shall_v pass_v they_o by_o and_o fall_v with_o he_o upon_o the_o consideration_n of_o the_o 31_o experiment_n the_o 31_o experiment_n upon_o this_o our_o author_n have_v recite_v our_o conjecture_n as_o the_o cause_n why_o two_o very_a flat_a and_o smooth_a marble_n stick_v so_o close_o together_o that_o by_o lift_v up_o the_o uppermost_a you_o may_v take_v up_o also_o the_o lowermost_a approve_v my_o way_n of_o examine_v that_o conjecture_n but_o whereas_o i_o say_v that_o the_o reason_n why_o though_o the_o marble_n be_v keep_v together_o by_o the_o pressure_n of_o the_o ambient_fw-la air_n yet_o they_o do_v not_o fall_v asunder_o in_o our_o exhaust_a receiver_n no_o not_o though_o a_o weight_n of_o
propose_v about_o this_o difficult_a phaenomenon_n but_o as_o mere_a conjecture_n and_o though_o he_o annex_v his_o explication_n of_o it_o yet_o i_o see_v not_o but_o that_o it_o be_v coincident_a with_o we_o or_o not_o better_o than_o it_o for_o to_o what_o i_o have_v say_v of_o the_o commotion_n of_o the_o part_n of_o the_o air_n he_o add_v only_o in_o two_o or_o three_o several_a place_n their_o be_v violent_o distend_v which_o how_o it_o improve_v the_o explication_n of_o the_o phaenomenon_n i_o do_v not_o ready_o see_v and_o whereas_o he_o subjoin_v existimo_fw-la autem_fw-la dicendum_fw-la potius_fw-la candorem_fw-la illum_fw-la esse_fw-la lumen_fw-la quoddam_fw-la reflexum_fw-la quam_fw-la innatum_fw-la eo_fw-la quòd_fw-la ut_fw-la testatur_fw-la author_n in_o tenebris_fw-la non_fw-la appareat_fw-la sed_fw-la solum_fw-la de_fw-la die_fw-la aut_fw-la accensa_fw-la candela_fw-la i_o presume_v the_o attentive_a reader_n will_v easy_o discern_v that_o his_o opinion_n be_v muchwhat_a the_o same_o that_o i_o propose_v and_o ground_v on_o the_o same_o reason_n but_o the_o chief_a difficulty_n in_o this_o abstruse_a phaenomenon_n namely_o why_o we_o meet_v with_o it_o but_o sometime_o our_o examiner_n explication_n leave_v untouched_a the_o 38_o and_o 39_o experiment_n against_o these_o our_o author_n make_v no_o peculiar_a objection_n the_o 40_o and_o 41_o experiment_n but_o in_o his_o animadversion_n upon_o these_o have_v tell_v the_o reader_n that_o i_o seem_v to_o ascribe_v the_o sudden_a extinction_n of_o the_o include_v animal_n to_o the_o excessive_a thinness_n of_o the_o air_n remain_v in_o the_o receiver_n make_v by_o the_o recess_n of_o what_o be_v draw_v out_o unfit_a for_o respiration_n he_o add_v resolute_o enough_o verum_fw-la impossible_a videtur_fw-la ut_fw-la hujusmodi_fw-la animalcula_fw-la ob_fw-la solum_fw-la defectum_fw-la crassioris_fw-la aëris_fw-la tam_fw-la cito_fw-la moriantur_fw-la but_o give_v no_o other_o reason_n than_o that_o they_o die_v so_o soon_o which_o be_v no_o more_o than_o what_o he_o say_v in_o the_o newly-cited_n word_n and_o beside_o be_v ground_v upon_o something_o of_o mistake_n for_o the_o creature_n he_o mention_n be_v a_o bee_n a_o fly_n and_o a_o caterpillar_n and_o those_o include_v too_o in_o a_o small_a receiver_n which_o can_v be_v sudden_o exhaust_v and_o these_o indeed_o become_v moveless_a within_o a_o minute_n of_o a_o hour_n but_o that_o minute_n be_v not_o as_o the_o word_n be_v often_o use_v to_o signify_v in_o english_a a_o moment_n but_o the_o sixty_v part_n of_o a_o hour_n and_o though_o these_o infect_v do_v in_o so_o short_a a_o time_n grow_v moveless_a yet_o they_o be_v not_o so_o soon_o kill_v as_o appear_v by_o the_o narrative_a the_o sanguineous_a animal_n that_o do_v indeed_o die_v be_v kill_v more_o slow_o and_o i_o remember_v that_o have_v purposely_o inquire_v of_o a_o man_n use_v to_o go_v under_o water_n by_o the_o help_n of_o a_o engine_n wherein_o he_o can_v carry_v air_n with_o he_o to_o the_o bottom_n of_o the_o sea_n how_o long_o he_o can_v endure_v before_o he_o be_v accustom_v to_o dive_v without_o breathe_v or_o the_o use_n of_o a_o sponge_n hobbs_n he_o tell_v i_o that_o at_o first_o he_o can_v hold_v out_o about_o two_o or_o three_o minute_n at_o a_o time_n which_o make_v i_o think_v that_o divers_a become_v able_a to_o continue_v under_o water_n so_o long_o either_o by_o a_o peculiarly-convenient_a constitution_n of_o body_n or_o by_o a_o gradual_a exercise_n and_o i_o be_o apt_a to_o think_v that_o he_o do_v as_o man_n be_v wont_a to_o do_v when_o he_o say_v two_o or_o three_o minute_n mean_v what_o be_v indeed_o a_o much_o short_a time_n than_o that_o when_o exact_o measure_v amount_n to_o for_o have_v purposely_o make_v trial_n upon_o a_o couple_n of_o mole_n that_o be_v bring_v i_o together_o alive_a one_o of_o they_o include_v in_o a_o small_a though_o not_o very_o small_a receiver_n be_v between_o two_o and_o three_o minute_n in_o kill_v whereas_o the_o other_o be_v immediate_o after_o detain_v under_o water_n do_v not_o there_o continue_v full_a a_o minute_n and_o a_o quarter_n before_o it_o final_o cease_v from_o give_v any_o sign_n at_o all_o of_o life_n by_o which_o trial_n it_o may_v appear_v that_o it_o be_v not_o impossible_a that_o the_o want_n of_o respiration_n shall_v dispatch_v a_o animal_n in_o as_o little_a time_n as_o be_v mention_v in_o the_o experiment_n i_o be_o now_o defend_v and_o indeed_o our_o author_n either_o shall_v have_v prove_v that_o it_o be_v not_o possible_a for_o the_o want_n of_o air_n to_o destroy_v animal_n so_o soon_o or_o shall_v have_v give_v we_o some_o better_a account_n of_o the_o phaenomenon_n for_o whereas_o he_o teach_v we_o that_o according_a to_o his_o doctrine_n the_o little_a animal_n above_o mention_v be_v so_o soon_o kill_v quia_fw-la per_fw-la rarefactumillum_fw-la aërem_fw-la seize_v contrahentem_fw-la extractus_fw-la sit_fw-la corum_fw-la halitus_fw-la i_o see_v not_o that_o hereby_o if_o he_o explicate_v the_o phaenomenon_n otherwise_o than_o we_o he_o explain_v it_o better_o for_o he_o seem_v to_o speak_v as_o if_o he_o think_v this_o halitus_fw-la to_o be_v some_o peculiar_a part_n of_o the_o animal_n in_o which_o his_o life_n reside_v and_o beside_o he_o seem_v not_o to_o consider_v that_o whereas_o according_a to_o i_o as_o well_o as_o according_a to_o he_o the_o air_n contain_v in_o the_o lung_n suppose_v these_o animalcula_fw-la have_v any_o must_v in_o great_a part_n pass_v thence_o into_o the_o receiver_n for_o whether_o that_o be_v do_v by_o the_o spring_n of_o the_o air_n itself_o that_o be_v harbour_v in_o the_o lung_n or_o the_o traction_n of_o the_o more_o rarefy_a air_n in_o the_o receiver_n be_v not_o material_a in_o our_o present_a case_n the_o examiner_n must_v as_o well_o as_o i_o render_v a_o reason_n why_o the_o extenuation_n or_o recess_n of_o the_o halitus_fw-la shall_v cause_v the_o hasty_a death_n of_o the_o include_v animal_n and_o condemn_v my_o conjecture_n he_o ought_v to_o have_v substitute_v another_o reason_n and_o though_o he_o subjoin_v these_o word_n and_o conclude_v with_o they_o atque_fw-la hinc_fw-la quoque_fw-la ortae_fw-la sunt_fw-la vehemente_n illae_fw-la convulsiones_fw-la quas_fw-la ante_fw-la mortem_fw-la passas_fw-la esse_fw-la aviculas_fw-la quasdam_fw-la memorat_fw-la ibidem_fw-la author_n yet_o i_o doubt_v not_o but_o the_o reader_n will_v think_v it_o have_v not_o be_v amiss_o that_o the_o author_n have_v more_o intelligible_o reduce_v these_o tragic_a symptom_n from_o his_o assumption_n for_o the_o sake_n of_o those_o that_o be_v not_o anatomist_n and_o physician_n enough_o to_o discern_v how_o his_o funiculus_fw-la can_v produce_v these_o effect_n for_o my_o part_n as_o in_o the_o 41_o experiment_n i_o tender_v my_o thought_n concern_v respiration_n but_o doubt_o so_o i_o be_o yet_o unwilling_a to_o determine_v resolve_o in_o a_o matter_n of_o that_o difficulty_n the_o 42_o and_o 43_o experiment_n in_o his_o examen_fw-la of_o these_o two_o last_o of_o our_o physicomechanical_a experiment_n the_o author_n content_v himself_o to_o endeavour_v to_o explicate_v the_o phaenomena_n recite_v in_o they_o by_o the_o contraction_n of_o the_o rarefy_a air_n which_o according_a to_o he_o endeavour_n to_o draw_v up_o the_o subjacent_a water_n out_o of_o the_o vial_n whereby_o it_o vehement_o distend_v the_o part_n of_o that_o water_n as_o he_o teach_v in_o the_o like_a case_n upon_o the_o 20_o experiment_n but_o since_o we_o have_v already_o consider_v his_o animadversion_n upon_o that_o although_o this_o presume_a distension_n of_o the_o water_n be_v not_o visible_a that_o we_o have_v observe_v when_o cold_a water_n that_o have_v be_v first_o free_v from_o his_o interspersed_a air_n be_v put_v into_o the_o receiver_n notwithstanding_o that_o the_o funiculus_fw-la shall_v in_o that_o case_n also_o distend_v it_o we_o be_v so_o afraid_a of_o tire_v out_o the_o reader_n patience_n by_o the_o frequent_a repetition_n of_o the_o same_o thing_n that_o we_o will_v leave_v it_o to_o he_o to_o judge_v which_o of_o the_o two_o explication_n the_o examiner_n or_o we_o be_v to_o be_v prefer_v without_o trouble_v he_o and_o ourselves_o with_o defence_n of_o account_n against_o which_o our_o adversary_n do_v not_o here_o make_v any_o peculiar_a objection_n and_o thus_o have_v we_o by_o god_n assistance_n consider_v what_o the_o examiner_n have_v be_v please_v to_o oppose_v either_o against_o our_o particular_a explication_n or_o against_o the_o hypothesis_n that_o divers_a of_o they_o suppose_v wherein_o i_o have_v be_v the_o more_o particular_a and_o prolix_a because_o i_o will_v willing_o excuse_v myself_o and_o other_o from_o the_o trouble_n of_o any_o more_o dispute_n of_o this_o kind_n i_o hope_v there_o be_v not_o in_o my_o answer_n any_o thing_n of_o asperity_n to_o be_v meet_v with_o for_o i_o have_v no_o quarrel_n to_o the_o person_n of_o the_o author_n or_o his_o just_a reputation_n nor_o
the_o bladder_n each_o of_o they_o be_v able_a to_o maintain_v but_o a_o very_a small_a vortice_fw-la to_o be_v by_o the_o subside_v mercury_n in_o the_o torricellian_a experiment_n free_v from_o the_o pressure_n of_o the_o air_n and_o their_o motion_n continue_v the_o same_o by_o reason_n that_o the_o transcursion_n of_o their_o vehicles_n be_v not_o at_o all_o or_o very_o little_a hinder_v either_o by_o the_o glass_n or_o bladder_n their_o part_n have_v room_n to_o expand_v themselves_o will_v fly_v abroad_o to_o such_o extension_n as_o may_v perhaps_o make_v a_o vortice_fw-la 1000_o time_n as_o big_a in_o bulk_n as_o what_o they_o be_v not_o able_a just_o before_o to_o exceed_v hence_o the_o particle_n of_o the_o air_n be_v so_o gross_a as_o not_o easy_o to_o pervade_v the_o pore_n of_o the_o bladder_n must_v necessary_o drive_v out_o the_o side_n of_o the_o bladder_n to_o its_o utmost_a extent_n and_o serve_v to_o fill_v the_o receiver_n in_o the_o magdeburgick_a experiment_n now_o whereas_o these_o particle_n will_v by_o the_o same_o pressure_n of_o the_o air_n be_v reduce_v to_o the_o same_o state_n they_o be_v in_o at_o first_o that_o be_v to_o be_v throng_v into_o a_o very_a little_a room_n and_o thereby_o be_v able_a to_o maintain_v a_o very_a small_a vortice_fw-la the_o air_n let_v in_o in_o the_o torricellian_a experiment_n reduce_v the_o air_n in_o the_o bladder_n to_o its_o former_a inconspicuousness_n as_o the_o admission_n of_o the_o water_n in_o the_o magdeburg_n experiment_n do_v that_o receiver_n full_a of_o rarefy_a air_n into_o the_o bigness_n of_o a_o hazel_n nut._n now_o the_o water_n in_o this_o last-mentioned_a experiment_n enter_v with_o a_o great_a impetuosity_n because_o drive_v on_o with_o the_o whole_a pressure_n of_o the_o atmosphere_n and_o resist_v only_o by_o the_o small_a force_n of_o the_o so-far_a rarefy_a air._n as_o for_o the_o author_n objection_n against_o this_o way_n of_o rarefaction_n draw_v from_o the_o phaenomena_n of_o gunpowder_n i_o shall_v endeavour_v to_o answer_v it_o by_o show_v they_o possible_o explicable_a by_o a_o cartesian_a hypothesis_n for_o suppose_v those_o terrestrial_a part_n of_o the_o gunpowder_n to_o be_v first_o at_o rest_n and_o afterward_o agitate_a by_o the_o rapid_a motion_n of_o his_o first_o element_n there_o will_v be_v sufficient_a difference_n of_o the_o former_a and_o late_a condition_n in_o respect_n of_o extension_n and_o suppose_v the_o particular_a constitution_n of_o gunpowder_n arise_v partly_o from_o the_o specific_a form_n of_o the_o particle_n of_o its_o ingredient_n nitre_n sulphur_n and_o char-coal_n and_o partly_o from_o their_o proportionate_a commistion_n to_o be_v such_o as_o will_v ready_o yield_v to_o the_o motion_n of_o his_o materia_fw-la subtilis_fw-la so_o soon_o as_o a_o ingress_n be_v admit_v to_o it_o by_o the_o fire_n of_o any_o particular_a parcel_n of_o it_o the_o expansion_n will_v be_v speedy_a enough_o so_o then_o let_v we_o suppose_v a_o barrel_n of_o gunpowder_n place_v in_o some_o close_a room_n to_o some_o grain_n of_o which_o we_o will_v suppose_v some_o actual_a fire_n to_o be_v apply_v by_o which_o actual_a fire_n the_o texture_n of_o the_o powder_n be_v such_o those_o grain_n be_v sudden_o fire_v that_o be_v many_o million_o of_o part_n which_o before_o lay_v still_o and_o at_o rest_n be_v by_o the_o action_n of_o the_o burn_a coal_n shatter_v as_o it_o be_v and_o put_v into_o a_o posture_n ready_a to_o be_v agitate_a by_o the_o rapid_a motion_n of_o the_o materia_fw-la subtilis_fw-la into_o which_o posture_n they_o be_v no_o soon_o put_v than_o agitate_a and_o whirl_v sufficient_o by_o it_o whence_o follow_v a_o vast_a expansion_n of_o that_o part_n of_o gunpowder_n so_o fire_v for_o each_o of_o its_o part_n be_v thus_o whirl_v and_o hurry_v round_o expel_v and_o beat_v off_o with_o great_a violence_n all_o the_o contiguous_a particle_n so_o as_o that_o each_o particle_n take_v up_o now_o 1000_o time_n as_o much_o elbow-room_n if_o i_o may_v so_o speak_v as_o just_a before_o serve_v its_o turn_n and_o consequent_o those_o that_o be_v outermost_a take_v every_o one_o their_o way_n direct_o from_o the_o parcel_n or_o corn_n they_o have_v lie_v quiet_a in_o be_v hurry_v away_o by_o the_o sudden_a expansion_n of_o the_o particle_n that_o lie_v next_o within_o they_o so_o that_o whatever_o grain_n or_o parcel_n of_o gunpowder_n they_o chance_v to_o meet_v with_o before_o they_o have_v lose_v their_o motion_n they_o present_o shiver_v and_o put_v into_o such_o a_o motion_n as_o make_v they_o fit_a to_o receive_v the_o action_n of_o the_o materia_fw-la subtilis_fw-la which_o subtle_a matter_n be_v every_o where_o present_a and_o nothing_o slow_a in_o perform_v its_o office_n immediate_o agitate_v those_o also_o like_o the_o former_a so_o that_o in_o a_o trice_n the_o particle_n of_o the_o whole_a barrel_n of_o gunpowder_n be_v thus_o disorder_v and_o by_o the_o motion_n the_o materia_fw-la subtilis_fw-la must_v needs_o be_v hurry_v away_o with_o so_o great_a a_o impetuosity_n on_o all_o side_n as_o not_o only_o to_o break_v in_o piece_n its_o slight_a wooden_a prison_n and_o remove_v the_o light_a particle_n of_o the_o ambient_fw-la air_n but_o huge_a beam_n nay_o vast_a accumulate_v mass_n of_o the_o most_o compact_a structure_n of_o stone_n and_o even_o shake_v the_o very_a earth_n itself_o or_o whatever_o else_o stand_v in_o its_o way_n who_o texture_n be_v so_o close_o as_o not_o to_o give_v its_o particle_n free_a passage_n through_o its_o pore_n this_o understand_v i_o see_v not_o first_o what_o the_o author_n be_v three_o argument_n bring_v to_o prove_v his_o objection_n signify_v for_o there_o be_v no_o more_o corpuscle_n in_o the_o room_n before_o the_o gunpowder_n be_v fire_v than_o after_o nor_o be_v there_o any_o more_o matter_n or_o substance_n before_o the_o side_n of_o the_o room_n by_o yield_a give_v place_n for_o the_o external_a fluid_a body_n to_o succeed_v and_o the_o only_a change_n be_v this_o that_o the_o globuli_fw-la secundi_fw-la elementi_fw-la as_o he_o call_v they_o be_v expel_v out_o of_o the_o room_n and_o the_o materia_fw-la primi_fw-la elementi_fw-la succeed_v in_o the_o place_n of_o it_o nor_o do_v i_o see_v second_o what_o great_a reason_n he_o have_v for_o his_o grand_a conclusion_n haeo_n abundè_fw-la demonstrant_fw-la rarefactionem_fw-la per_fw-la hujusmodi_fw-la corpuscula_fw-la nullatenus_fw-la posse_fw-la explicari_fw-la have_v thus_o examine_v the_o author_n first_o argument_n that_o rarefaction_n can_v be_v make_v out_o by_o any_o other_o way_n than_o he_o we_o shall_v find_v his_o other_o which_o he_o bring_v to_o establish_v his_o own_o hypothesis_n much_o of_o the_o same_o kind_n as_o first_o that_o his_o way_n of_o rarefaction_n imply_v no_o contradiction_n for_o if_o the_o affirm_v a_o body_n to_o be_v real_o and_o total_o in_o this_o place_n and_o at_o the_o same_o time_n to_o be_v real_o and_o whole_o in_o another_o that_o be_v to_o be_v in_o this_o place_n and_o not_o to_o be_v in_o this_o place_n be_v not_o a_o contradiction_n i_o know_v not_o what_o be_v next_o that_o some_o learned_a schoolman_n have_v think_v so_o to_o which_o i_o answer_v more_o learned_a man_n have_v think_v otherwise_o and_o last_o that_o there_o be_v very_o plain_a example_n of_o the_o like_a nature_n to_o be_v find_v in_o other_o thing_n of_o which_o he_o only_o bring_v one_o viz._n that_o of_o the_o rota_n aristotelica_n which_o upon_o examination_n we_o shall_v find_v to_o make_v as_o little_a to_o the_o purpose_n as_o any_o of_o the_o other_o a_o explication_n of_o the_o rota_n aristotelica_n the_o great_a problem_n of_o the_o rota_n aristotelica_n by_o his_o explication_n of_o which_o he_o pretend_v not_o only_o to_o solve_v all_o the_o difficulty_n concern_v local_a motion_n quae_fw-la philosophorum_fw-la ingenia_fw-la bactenus_fw-la valde_fw-la exercuerunt_fw-la but_o to_o give_v a_o instance_n for_o the_o confirmation_n of_o his_o unintelligible_a hypothesis_n of_o rarefaction_n wherein_o there_o be_v extensio_fw-la seu_fw-la correspondentia_fw-la ejusdem_fw-la rei_fw-la ad_fw-la locum_fw-la nunc_fw-la majorem_fw-la nunc_fw-la minorem_fw-la we_o may_v upon_o examination_n find_v to_o be_v either_o a_o paralogism_n or_o else_o nothing_o but_o what_o those_o philosopher_n say_v who_o he_o account_v gravel_v with_o it_o of_o this_o subject_a he_o begin_v in_o his_o 25_o chapter_n where_o after_o he_o have_v set_v down_o a_o description_n of_o it_o he_o make_v a_o instance_n in_o a_o cartwheel_n rem_fw-la ante_fw-la oculos_fw-la ponit_fw-la rota_fw-la alicujus_fw-la currus_fw-la ejusque_fw-la umbo_fw-la seu_fw-la lignum_fw-la illudcrassum_fw-la &_o rotundum_fw-la cui_fw-la infiguntur_fw-la radii_fw-la siquidem_fw-la dum_fw-la progrediente_fw-la curru_fw-la ipsa_fw-la rota_fw-la circumduct_v a_o describit_fw-la in_o subject_a a_o terra_fw-la orbitam_fw-la sibi_fw-la aequalem_fw-la umbo_fw-la ille_fw-la describit_fw-la in_o subjecto_fw-la aëre_fw-la orbitam_fw-la i_o suppose_v both_o
this_o happen_v because_o the_o line_n of_o progression_n be_v equal_a to_o the_o circle_n describe_v on_o that_o distance_n as_o radius_fw-la each_o point_n therefore_o of_o this_o small_a circle_n when_o it_o come_v to_o touch_v the_o perpendicular_a must_v as_o to_o its_o progressive_a motion_n stand_v still_o this_o point_n therefore_o will_v be_v the_o centre_n of_o this_o compound_a motion_n now_o because_o for_o the_o explication_n of_o the_o rota_n aristotelica_n we_o need_v not_o consider_v any_o other_o than_o those_o point_n which_o be_v transient_a through_o or_o cross_v the_o perpendicular_a line_n we_o shall_v only_o examine_v they_o let_v then_o in_o our_o example_n a_o be_v the_o centre_n or_o immovable_a point_n the_o circumference_n therefore_o abcd_v will_v be_v equal_a to_o ill_n or_o ak_v by_o our_o hypothesis_n now_o because_o the_o point_n i_o which_o be_v the_o centre_n of_o the_o rotation_n have_v only_o one_o motion_n viz._n that_o of_o lation_n its_o celerity_n will_v be_v equal_a to_o the_o single_a celerity_n of_o the_o lation_n we_o will_v therefore_o put_v it_o to_o have_v one_o degree_n c_o because_o it_o be_v move_v with_o two_o motion_n both_o tend_v the_o same_o way_n and_o each_o equal_a to_o the_o velocity_n of_o i_o must_v needs_o have_v two_o degree_n of_o velocity_n the_o point_n f_o because_o move_v with_o two_o motion_n both_o tend_v the_o same_o way_n the_o one_o viz._n its_o lation_n be_v equal_a to_o that_o of_o ay_o and_o the_o other_o because_o it_o be_v but_o half_a as_o far_o distant_a from_o the_o centre_n of_o rotation_n as_o c_o and_o therefore_o be_v move_v but_o with_o half_a the_o celerity_n of_o c_o which_o be_v equal_a to_o that_o of_o ay_o but_o half_a as_o quick_a we_o will_v put_v to_o have_v one_o degree_n and_o a_o half_a by_o the_o like_a method_n we_o may_v find_v the_o velocity_n of_o all_o the_o point_n in_o the_o perpendicular_a viz._n such_o as_o we_o have_v there_o mark_v some_o of_o they_o but_o it_o will_v be_v too_o tedious_a we_o need_v not_o to_o consider_v more_o than_o the_o two_o point_n a_o and_o e._n the_o point_n at_o e_z be_v move_v forward_o by_o its_o progression_n with_o the_o same_o velocity_n that_o i_o but_o by_o its_o rotation_n which_o be_v but_o half_a as_o swift_a as_o that_o of_o the_o circle_n abcd_n that_o be_v double_a the_o circle_n efgh_o be_v move_v the_o contrary_a way_n or_o backward_o with_o half_a the_o velocity_n lose_v half_a of_o its_o progression_n forward_o the_o point_n in_o a_o be_v by_o its_o progression_n move_v forward_o equal_o swift_a with_o i_o and_o by_o its_o rotation_n the_o circle_n abcd_v be_v equal_a to_o the_o line_n il_fw-fr be_v carry_v backward_o with_o equal_a velocity_n must_v necessary_o stand_v still_o as_o to_o its_o progression_n now_o have_v show_v that_o the_o point_n a_o be_v by_o reason_n of_o its_o two_o equal_a opposite_a motion_n at_o rest_n do_v only_o touch_v a_o point_n of_o the_o line_n ak_v and_o be_v not_o at_o all_o move_v on_o it_o and_o that_o the_o point_n e_o be_v carry_v forward_o twice_o as_o fast_o by_o its_o progression_n as_o it_o be_v carry_v backward_o by_o its_o rotation_n and_o thereby_o move_v half_a as_o fast_o as_o the_o point_n i_o do_v not_o only_o touch_v the_o line_n eke_o but_o whilst_o it_o touch_v it_o be_v move_v on_o it_o with_o a_o progressive_a motion_n half_a as_o swift_a as_o that_o of_o ay_o it_o will_v necessary_o follow_v that_o each_o point_n situate_a in_o e_z must_v necessary_o describe_v a_o small_a line_n which_o be_v a_o part_n of_o the_o whole_a aec_fw-la now_o both_o the_o contact_n of_o the_o former_a and_o the_o contact_n and_o progression_n of_o the_o late_a be_v perform_v by_o a_o infinite_a succession_n of_o point_n in_o the_o space_n of_o a_o infinite_a succession_n of_o instant_n i_o see_v not_o any_o one_o difficulty_n of_o this_o problem_n but_o may_v satisfactory_o be_v give_v a_o account_n of_o by_o it_o without_o have_v recourse_n to_o the_o hypothesis_n of_o the_o determinate_a number_n of_o indivisibles_n of_o space_n and_o time_n which_o at_o best_a will_v only_o come_v to_o this_o that_o in_o such_o a_o determinate_a moment_n or_o minute_n space_n of_o time_n which_o consist_v of_o a_o infinite_a consecution_n of_o instant_n and_o have_v prius_fw-la and_o posterius_fw-la in_o it_o though_o yet_o he_o will_v call_v it_o a_o instant_a and_o have_v it_o to_o have_v the_o same_o propriety_n with_o a_o instant_a use_v in_o the_o common_a philosophical_a sense_n such_o a_o determinate_a minute_n corpuscle_n which_o though_o it_o have_v extension_n in_o length_n breadth_n and_o thickness_n yet_o will_v he_o not_o admit_v it_o to_o be_v divisible_a or_o have_v part_n no_o not_o though_o according_a to_o his_o hypothesis_n the_o indivisible_a of_o one_o body_n may_v be_v rarefy_v to_o be_v as_o big_a in_o bulk_n as_o a_o million_o of_o the_o indivisibles_n of_o another_o but_o will_v have_v it_o to_o be_v call_v and_o to_o be_v a_o real_a indivisible_a will_v successive_o pass_v over_o such_o a_o determinate_a space_n or_o length_n which_o yet_o he_o will_v not_o admit_v to_o be_v divisible_a though_o according_a to_o his_o principle_n it_o may_v equalise_v the_o length_n of_o million_o of_o his_o other_o indivisibles_n nor_o admit_v a_o successive_a motion_n but_o instantaneous_a though_o that_o do_v necessary_o put_v a_o body_n into_o two_o three_o ten_o a_o hundred_o etc._n etc._n place_n at_o once_o but_o will_v have_v these_o also_o to_o be_v indivisible_a haste_n make_v i_o pass_v over_o the_o absurdity_n about_o the_o contact_n of_o a_o circle_n and_o a_o line_n and_o to_o comprise_v in_o short_a all_o that_o great_a explication_n he_o have_v give_v of_o this_o and_o other_o intricate_a as_o he_o call_v they_o problem_n which_o be_v this_o that_o the_o reason_n of_o the_o celerity_n of_o the_o motion_n of_o some_o one_o of_o these_o indivisibles_n above_o another_o be_v that_o it_o pass_v through_o a_o great_a part_n of_o a_o indivisible_a in_o the_o same_o instant_n than_o the_o slow_a that_o be_v in_o plain_a sense_n no_o more_o than_o this_o one_o body_n be_v swift_a than_o another_o because_o it_o be_v move_v fast_o from_o whence_o he_o draw_v several_a corollary_n as_o that_o hence_o may_v be_v give_v a_o reason_n why_o a_o eagle_n be_v swift_a than_o a_o tortoise_n viz._n because_o it_o move_v saster_n i_o shall_v have_v solve_v several_a objection_n which_o may_v be_v bring_v against_o the_o divisibility_n of_o quantity_n in_o infinitum_fw-la but_o that_o as_o all_o the_o scholastic_a writer_n be_v full_a of_o they_o so_o it_o be_v a_o subject_a which_o we_o be_v least_o able_a to_o dispute_v of_o have_v very_o little_a information_n of_o the_o nature_n of_o infinity_o from_o the_o sense_n finis_fw-la the_o citation_n english_v chap._n 2._o pag._n 3._o cum_fw-la tota_fw-la vis_fw-la etc._n etc._n be_v the_o whole_a power_n of_o the_o spring_n of_o the_o air_n depend_v upon_o the_o aequilibrium_fw-la of_o its_o weight_n with_o twenty_o nine_o inch_n and_o a_o half_a of_o quicksilver_n so_o that_o this_o spring_n do_v neither_o more_o nor_o less_o in_o a_o shut_a place_n than_o be_v do_v by_o that_o aequilibrium_fw-la in_o a_o open_a place_n it_o be_v manifest_a see_v we_o have_v show_v the_o aequilibrium_fw-la to_o be_v plain_o fictitious_a and_o imaginary_a that_o the_o spring_n ascribe_v to_o the_o air_n be_v so_o likewise_o p._n 4._o nam_fw-la si_fw-la tubus_fw-la etc._n etc._n for_o if_o a_o tube_n but_o twenty_o inch_n long_o such_o as_o we_o use_v in_o our_o first_o argument_n be_v not_o quite_o fill_v with_o quicksilver_n as_o before_o but_o a_o little_a space_n be_v leave_v betwixt_o the_o mercury_n and_o the_o finger_n on_o the_o top_n of_o the_o tube_n in_o which_o air_n only_o may_v abide_v we_o shall_v find_v that_o the_o finger_n below_o be_v remove_v the_o finger_n on_o the_o top_n will_v not_o only_o be_v draw_v downward_o as_o before_o but_o the_o quicksilver_n shall_v descend_v also_o and_o that_o notable_o viz._n as_o much_o as_o so_o small_a a_o parcel_n of_o air_n can_v be_v extend_v by_o such_o a_o descend_a weight_n so_o that_o if_o instead_o of_o air_n water_n or_o any_o other_o liquor_n which_o be_v not_o so_o easy_o extend_v be_v put_v in_o its_o place_n there_o will_v be_v no_o descent_n at_o all_o hence_o i_o say_v against_o this_o opinion_n a_o argument_n be_v frame_v for_o if_o the_o external_a air_n can_v keep_v up_o those_o twenty_o inch_n of_o quicksilver_n from_o descend_v as_o we_o have_v prove_v how_o shall_v it_o keep_v up_o twenty_o nine_o inch_n and_o a_o half_a assure_o these_o can_v no_o way_n be_v reconcile_v ibid._n dice_v fortè_fw-la etc._n etc._n you_o will_v perchance_o say_v that_o the_o quicksilver_n
therefore_o do_v in_o the_o allege_a case_n descend_v because_o it_o be_v thrust_v down_o by_o that_o parcel_n of_o air_n which_o dilate_v its_o self_n by_o its_o own_o spring_n ibid._n sic_fw-la deberet_fw-la etc._n etc._n so_o shall_v the_o finger_n be_v rather_o thrust_v from_o the_o top_n of_o the_o tube_n than_o thereby_o fasten_v to_o it_o because_o this_o dilatation_n must_v be_v make_v as_o well_o upward_o as_o downward_o p._n 6._o concipi_fw-la etc._n etc._n it_o can_v be_v conceive_v how_o that_o air_n shall_v dilate_v itself_o or_o thrust_v down_o the_o mercury_n unless_o by_o take_v up_o a_o great_a place_n which_o thing_n these_o author_n be_v much_o against_o assert_v that_o rarefaction_n can_v be_v make_v no_o otherway_n than_o by_o corpuscle_n or_o vacuity_n chap._n 3._o p._n 7._o si_fw-mi etc._n etc._n if_o you_o take_v a_o tube_n open_a at_o both_o end_n of_o a_o good_a length_n suppose_v forty_o inch_n long_o and_o fill_v it_o with_o mercury_n and_o place_v your_o finger_n on_o the_o top_n as_o before_o take_v away_o your_o low_a finger_n you_o will_v find_v the_o mercury_n to_o descend_v even_o to_o its_o wont_a station_n and_o your_o finger_n on_o the_o top_n to_o be_v strong_o draw_v within_o the_o tube_n and_o to_o stick_v close_o unto_o it_o whence_o again_o it_o be_v evident_o conclude_v that_o the_o mercury_n place_v in_o its_o own_o station_n be_v not_o there_o uphold_v by_o the_o external_a air_n but_o suspend_v by_o a_o certain_a internal_a cord_n who_o upper_a end_n be_v fasten_v to_o the_o finger_n draw_v and_o fasten_v it_o after_o this_o manner_n into_o the_o tube_n chap._n 4._o p._n 8._o sumatur_fw-la etc._n etc._n take_v a_o tube_n short_a than_o twenty_o nine_o inch_n and_o a_o half_a for_o instance_n of_o twenty_o digit_n not_o shut_v as_o hitherto_o at_o one_o end_n but_o with_o both_o end_n open_a let_v this_o tube_n its_o orifice_n be_v immerse_v in_o restagnant_fw-la mercury_n and_o one_o finger_n be_v place_v underneath_o that_o the_o mercury_n to_o be_v pour_v in_o run_v not_o through_o be_v fill_v with_o mercury_n and_o then_o another_o finger_n be_v apply_v to_o its_o orifice_n to_o close_v it_o well_o which_o be_v do_v if_o you_o draw_v away_o your_o low_a finger_n the_o upper_a will_v be_v find_v to_o be_v strong_o draw_v and_o suck_v into_o the_o tube_n and_o so_o stiff_o to_o adhere_v to_o it_o or_o rather_o to_o the_o quicksilver_n as_o i_o shall_v hereafter_o show_v that_o it_o will_v elevate_v the_o tube_n itself_o with_o all_o the_o quicksilver_n and_o make_v it_o continue_v to_o hang_v pendulous_a in_o the_o vessel_n from_o which_o experiment_n this_o opinion_n be_v most_o clear_o refute_v for_o see_v according_a to_o it_o the_o quicksilver_n in_o such_o a_o tube_n but_o twenty_o inch_n long_o must_v be_v thrust_v upward_o by_o the_o preponderate_a air_n it_o will_v never_o by_o it_o be_v explain_v how_o this_o finger_n be_v so_o draw_v downward_o and_o make_v so_o strong_o to_o stick_v to_o the_o tube_n for_o it_o can_v by_o the_o air_n thrust_v upward_o be_v thus_o draw_v downward_o p._n 10_o 11._o quod_fw-la vel_fw-la etc._n etc._n which_o be_v thence_o confirm_v because_o if_o that_o preponderate_a air_n succeed_v as_o be_v assert_v in_o the_o place_n of_o the_o low_a finger_n which_o be_v withdraw_v that_o be_v if_o it_o uphold_v the_o quicksilver_n after_o the_o same_o manner_n which_o it_o be_v uphold_v by_o the_o low_a finger_n apply_v under_o it_o it_o be_v manifest_a according_a to_o this_o opinion_n that_o the_o finger_n on_o the_o top_n ought_v not_o to_o be_v more_o draw_v downward_o after_o the_o low_a finger_n be_v remove_v than_o before_o see_v then_o that_o experience_n teach_v the_o contrary_a it_o be_v manifest_v that_o opinion_n must_v be_v false_a chap._n 5._o p._n 11_o 12._o quarto_fw-la etc._n etc._n in_o the_o four_o place_n it_o be_v impugned_a because_o thence_o it_o will_v follow_v that_o quicksilver_n through_o a_o like_a tube_n may_v be_v suck_v with_o the_o same_o easiness_n out_o of_o a_o vessel_n that_o water_n be_v suck_v out_o of_o the_o same_o which_o notwithstanding_o be_v contrary_n to_o experience_n by_o which_o we_o be_v teach_v that_o water_n be_v easy_o draw_v into_o the_o mouth_n of_o he_o that_o suck_v whereas_o quicksilver_n can_v be_v draw_v thither_o by_o his_o utmost_a endeavour_n nay_o scarce_o unto_o the_o middle_n of_o the_o tube_n the_o sequel_n i_o thus_o manifest_a because_o see_v according_a to_o this_o opinion_n that_o the_o liquor_n underneath_o whether_o it_o be_v water_n or_o mercury_n may_v so_o ascend_v no_o more_o be_v require_v but_o that_o the_o air_n shut_v in_o the_o tube_n may_v be_v draw_v upward_o by_o suck_v which_o be_v draw_v up_o the_o liquor_n underneath_o will_n immediate_o ascend_v be_v thrust_v thither_o by_o the_o external_a air_n now_o preponderate_v as_o pecquet_n declare_v in_o his_o anatomical_a discourse_n p._n 63._o it_o be_v manifest_a that_o the_o mercury_n may_v be_v suck_v out_o with_o the_o same_o easiness_n that_o water_n be_v suck_v out_o with_o which_o be_v so_o evident_o against_o experience_n the_o opinion_n from_o whence_o it_o be_v deduce_v must_v needs_o be_v false_a p._n 13._o neque_fw-la hoc_fw-la etc._n etc._n and_o not_o only_o this_o but_o over_o and_o above_o if_o a_o glass_n diabetes_n or_o syringe_n be_v make_v of_o a_o sufficient_a length_n and_o after_o that_o the_o sucker_n be_v thrust_v into_o the_o utmost_a orifice_n it_o be_v place_v according_a to_o use_v in_o the_o mercury_n underneath_o he_o find_v that_o as_o soon_o as_o the_o sucker_n be_v draw_v out_o the_o mercury_n follow_v and_o ascend_v to_o the_o same_o height_n of_o two_o foot_n and_o three_o inch_n and_o a_o half_a and_o when_o afterward_o although_o no_o great_a force_n be_v add_v the_o sucker_n be_v draw_v high_o he_o find_v that_o the_o mercury_n stand_v and_o follow_v no_o further_o and_o so_o that_o space_n be_v make_v empty_a which_o remain_v between_o the_o mercury_n and_o the_o sucker_n p._n 15._o maneat_fw-la igitur_fw-la etc._n etc._n be_v it_o therefore_o confirm_v by_o so_o many_o argument_n of_o which_o every_o one_o be_v sufficient_a in_o itself_o that_o quicksilver_n the_o experiment_n be_v make_v in_o a_o open_a place_n be_v not_o uphold_v from_o fall_v by_o the_o weight_n of_o the_o external_a air._n cap._n 6._o ibid._n argentum_fw-la etc._n etc._n that_o quicksilver_n in_o a_o close_a place_n be_v not_o uphold_v from_o fall_v by_o the_o elater_n or_o spring_n of_o the_o air._n ibid._n cum_fw-la tota_fw-la etc._n etc._n see_v the_o whole_a power_n of_o this_o spring_n depend_v upon_o the_o already-confuted_n aequilibrium_fw-la of_o the_o air_n with_o 29_o inch_n and_o a_o half_a of_o quicksilver_n so_o that_o this_o spring_n do_v neither_o more_o nor_o less_o in_o a_o close_a place_n than_o be_v do_v by_o that_o aequilibrium_fw-la in_o a_o open_a place_n it_o be_v manifest_a see_v this_o aequilibrium_fw-la be_v already_o show_v to_o be_v plain_o fictitious_a and_o imaginary_a that_o the_o spring_n of_o the_o air_n be_v so_o likewise_o p._n 16._o nec_fw-la plus_fw-la etc._n etc._n and_o that_o this_o spring_n do_v neither_o more_o nor_o less_o in_o a_o close_a place_n than_o be_v do_v by_o that_o aequilibrium_fw-la in_o a_o open_a place_n ibid._n add_v etc._n etc._n add_v that_o see_v the_o experiment_n bring_v in_o the_o chapter_n above_o of_o the_o adhesion_n of_o the_o finger_n etc._n etc._n be_v alike_o in_o a_o close_a and_o a_o open_a place_n it_o be_v necessary_a and_o certain_a that_o the_o same_o argument_n make_v against_o the_o aequilibrium_fw-la have_v force_n against_o the_o spring_n of_o the_o air._n p._n 17._o et_fw-la profecto_fw-la etc._n etc._n and_o real_o if_o these_o author_n will_v consider_v how_o great_a a_o difficulty_n there_o be_v in_o explain_v this_o spring_n of_o the_o air_n unless_o the_o same_o air_n by_o itself_o alone_o may_v take_v up_o a_o great_a place_n i_o believe_v they_o will_v ready_o alter_v their_o opinion_n part_n 2._o chap._n 1._o p._n 19_o constet_fw-la hoc_fw-la etc._n etc._n this_o appear_v from_o what_o have_v be_v already_o speak_v in_o the_o precede_a chapter_n for_o the_o quicksilver_n descend_v can_v so_o draw_v the_o finger_n downward_o and_o fasten_v it_o unto_o the_o tube_n unless_o it_o be_v hang_v upon_o the_o finger_n by_o such_o a_o cord_n which_o by_o its_o weight_n it_o vehement_o stretch_v as_o be_v manifest_a by_o itself_o ibid._n respondeo_fw-la etc._n etc._n i_o answer_v that_o this_o come_v to_o pass_v that_o there_o may_v be_v no_o vaculty_n see_v there_o be_v nothing_o else_o there_o that_o can_v succeed_v into_o the_o place_n of_o the_o descend_a quicksilver_n ibid._n and_o hence_o be_v confirm_v that_o common_a axiom_n use_v in_o the_o school_n for_o so_o many_o age_n past_a that_o
nature_n do_v abhor_v a_o vacuum_n ibid._n nam_fw-la licet_fw-la etc._n etc._n for_o though_o the_o immediate_a cause_n why_o water_n for_o instance_n do_v not_o descend_v from_o a_o gardener_n watering-pot_n for_o that_o example_n they_o use_v stop_v on_o the_o top_n be_v not_o the_o fear_n of_o a_o vacuum_n but_o the_o reason_n now_o mention_v namely_o that_o there_o be_v not_o weight_n sufficient_a to_o loose_v that_o conjuncture_n by_o which_o the_o water_n do_v adhere_v to_o the_o top_n of_o the_o close_a waterpot_n nevertheless_o in_o the_o end_n we_o must_v of_o necessity_n come_v to_o that_o cause_n p._n 20._o quae_fw-la quidem_fw-la etc._n etc._n which_o traction_n and_o adhesion_n when_o it_o can_v proceed_v but_o from_o some_o real_a body_n place_v between_o the_o finger_n and_o the_o mercury_n it_o be_v manifest_a that_o that_o space_n be_v not_o empty_a but_o fill_v with_o some_o true_a substance_n ibid._n eo_fw-la quod_fw-la &_o e._n because_o no_o visual_a species_n can_v proceed_v either_o from_o it_o or_o through_o it_o unto_o the_o eye_n ibid._n vera_n etc._n etc._n to_o be_v fill_v with_o any_o true_a substance_n p._n 24._o huc_fw-la etiam_fw-la etc._n etc._n and_o to_o this_o purpose_n make_v those_o considerable_a vibration_n with_o which_o quicksilver_n be_v stir_v in_o its_o descent_n for_o the_o same_o thing_n happen_v here_o that_o befall_v other_o pendula_fw-la in_o their_o fall_n from_o on_o high_a p._n 27._o argenium_fw-la dum_fw-la etc._n etc._n quicksilver_n while_o it_o fill_v the_o whole_a tube_n do_v not_o only_o touch_v its_o top_n as_o you_o will_v think_v at_o the_o first_o sight_n but_o do_v firm_o stick_v unto_o it_o also_o as_o it_o be_v manifest_a from_o the_o experiment_n mention_v in_o the_o first_o argument_n of_o the_o three_o chapter_n concern_v the_o tube_n open_a at_o both_o end_n ibid._n licet_fw-la illud_fw-la etc._n etc._n though_o that_o orifice_n of_o the_o tube_n be_v anoint_v with_o oil_n or_o any_o other_o matter_n that_o will_v hinder_v adhesion_n nevertheless_o the_o finger_n will_v no_o less_o firm_o stick_v than_o before_o p._n 28._o part_n etc._n etc._n that_o the_o part_n of_o air_n itself_o so_o shut_v up_o in_o the_o tube_n which_o otherwise_o be_v so_o easy_o sever_v be_v now_o so_o firm_o glue_v to_o one_o another_o that_o they_o make_v as_o we_o see_v a_o strong_a chain_n by_o which_o not_o only_o water_n but_o even_o weighty_a quicksilver_n be_v draw_v on_o high_a ibid._n rarefactionem_fw-la etc._n etc._n that_o the_o rarefaction_n or_o extension_n of_o a_o body_n so_o as_o to_o make_v it_o take_v up_o more_o space_n be_v not_o only_o make_v by_o heat_n but_o by_o distension_n or_o a_o certain_a disjoyn_a power_n as_o on_o the_o contrary_a condensation_n be_v not_o only_o make_v by_o cold_a but_o also_o by_o compression_n as_o infinite_a example_n bear_v we_o witness_v p._n 29._o cum_fw-la per_fw-la etc._n etc._n see_v by_o the_o first_o note_v it_o be_v manifest_a that_o the_o quicksilver_n do_v so_o stick_v to_o the_o top_n of_o the_o tube_n and_o by_o the_o second_o note_v the_o rarefaction_n be_v make_v only_o by_o the_o mere_a distension_n of_o the_o body_n it_o so_o come_v to_o pass_v that_o the_o descend_a quicksilver_n leave_v its_o external_a or_o upper_a superficies_n fix_v unto_o the_o top_n of_o the_o tube_n and_o by_o its_o weight_n do_v so_o stretch_v and_o extenuate_v it_o until_o it_o become_v easy_a to_o leave_v another_o superficies_n in_o like_a manner_n than_o to_o extend_v that_o any_o further_o it_o leave_v therefore_o a_o second_o and_o do_v by_o its_o descent_n extend_v that_o a_o little_a further_o until_o it_o become_v easy_a to_o separate_v a_o three_o than_o to_o extend_v that_o any_o further_o and_o so_o forward_o until_o at_o length_n it_o have_v no_o power_n to_o separate_v or_o extend_v any_o more_o superficies_n namely_o until_o it_o come_v unto_o the_o height_n of_o 29_o inch_n and_o a_o half_a where_o it_o acquiesce_n as_o we_o have_v declare_v in_o the_o first_o chapter_n p._n 30._o these_o surface_n seem_v to_o be_v separate_v from_o the_o quicksilver_n and_o to_o be_v extend_v into_o a_o most_o slender_a string_n by_o the_o weight_n that_o fall_v down_o after_o the_o same_o manner_n that_o in_o a_o light_a candle_n surface_v of_o like_a sort_n be_v separate_v from_o the_o wax_n or_o tallow_n underneath_o by_o the_o heat_n above_o and_o be_v extenuate_v into_o a_o most_o subtle_a flame_n in_o which_o it_o be_v worth_a observation_n that_o as_o that_o flame_n do_v doubtless_o take_v up_o more_o than_o a_o thousand_o time_n a_o great_a space_n than_o the_o part_n of_o the_o wax_n of_o which_o the_o flame_n be_v make_v take_v up_o so_o be_v it_o here_o to_o be_v think_v that_o that_o string_n do_v take_v up_o a_o space_n more_o than_o a_o thousand_o time_n as_o big_a as_o that_o which_o the_o small_a particle_n of_o mercury_n from_o whence_o it_o arise_v do_v before_o take_v up_o as_o also_o it_o doubtless_o happen_v when_o such_o a_o particle_n by_o a_o fire_n underneath_o be_v turn_v into_o a_o vapour_n p._n 36._o corpore_fw-la etc._n etc._n a_o body_n take_v up_o a_o place_n for_o instance_n twice_o as_o big_a as_o itself_o it_o be_v of_o necessity_n that_o every_o part_n of_o it_o must_v likewise_o take_v up_o a_o place_n twice_o as_o big_a as_o itself_o p._n 41._o juxta_fw-la etc._n etc._n according_a to_o the_o more_o probable_a opinion_n such_o a_o virtual_a extension_n of_o a_o corporeal_a be_v be_v not_o to_o be_v grant_v as_o be_v only_o proper_a to_o such_o as_o be_v spiritual_a ibid._n praestat_fw-la etc._n etc._n it_o be_v better_a to_o continue_v in_o the_o common_a opinion_n which_o have_v be_v hitherto_o receive_v in_o the_o school_n which_o although_o it_o do_v not_o clear_o resolve_v all_o difficulty_n yet_o it_o do_v not_o open_o lie_v under_o they_o ibid._n necessario_fw-la etc._n etc._n we_o must_v needs_o confess_v that_o one_o and_o the_o same_o part_n must_v be_v in_o two_o place_n adequate_o for_o see_v it_o be_v indivisible_a and_o take_v up_o a_o great_a place_n than_o before_o it_o must_v of_o necessity_n be_v all_o in_o every_o point_n of_o that_o place_n or_o that_o be_v virtual_o extend_v through_o all_o that_o space_n p._n 43._o cumtempus_fw-la etc._n etc._n see_v time_n be_v a_o be_v esfential_o successive_a so_o that_o neither_o by_o divine_a power_n can_v two_o of_o its_o part_n exist_v together_o p._n 44._o respondeo_fw-la etc._n etc._n i_o answer_v that_o all_o these_o thing_n happen_v because_o the_o gun_n powder_n so_o kindle_v and_o turn_v into_o flame_n take_v up_o a_o much_o great_a space_n than_o before_o whence_o it_o come_v to_o pass_v that_o see_v the_o chamber_n be_v before_o quite_o full_a by_o this_o mean_v the_o wall_n be_v break_v that_o there_o may_v be_v no_o penetration_n of_o body_n p._n 48._o partim_fw-la etc._n etc._n sometime_o within_o the_o chapel_n sometime_o in_o the_o open_a air_n the_o wind_n sometime_o blow_v and_o sometime_o be_v still_o p._n 52._o sed_fw-la dici_fw-la etc._n etc._n but_o it_o may_v be_v say_v that_o on_o the_o top_n of_o the_o mountain_n it_o therefore_o descend_v after_o that_o manner_n because_o the_o air_n be_v more_o cold_a there_o or_o of_o some_o other_o temperature_n such_o as_o may_v cause_v this_o descent_n p._n 68_o hoc_fw-la esse_fw-la etc._n etc._n that_o this_o be_v the_o difference_n between_o pression_n and_o suction_n that_o suction_n make_v such_o a_o adhesion_n and_o pression_n do_v not_o p._n 69._o hoc_fw-la quoque_fw-la etc._n etc._n and_o even_o this_o experiment_n do_v very_o well_o agree_v with_o our_o principle_n for_o see_v by_o this_o depression_n of_o the_o sucker_n the_o air_n shut_v up_o in_o the_o cavity_n of_o the_o cylinder_n be_v separate_v from_o the_o cylinder_n and_o do_v descend_v together_o with_o the_o sucket_n as_o we_o have_v chap._n 13._o observe_v of_o water_n descend_v together_o with_o quicksilver_n it_o come_v to_o pass_v that_o in_o that_o whole_a depression_n new_a surface_n be_v take_v from_o that_o descend_a air_n and_o stretch_v out_o as_o we_o have_v there_o explain_v it_o in_o the_o case_n of_o descend_v water_n since_o therefore_o such_o surface_n be_v as_o easy_o slip_v of_o and_o extend_v in_o the_o end_n of_o the_o depression_n as_o in_o the_o beginning_n it_o be_v no_o wonder_n that_o there_o be_v find_v the_o same_o difficulty_n of_o depress_v it_o at_o both_o time_n ibid._n eo_fw-la magis_fw-la etc._n etc._n that_o the_o air_n be_v so_o much_o the_o more_o extend_v and_o rarefy_a by_o how_o much_o the_o more_o be_v thence_o exhaust_v and_o so_o do_v acquire_v a_o great_a force_n of_o contract_v itself_o p._n 71._o at_o profecto_fw-la etc._n etc._n but_o true_o it_o seem_v not_o credible_a that_o this_o most_o soft_a air_n shall_v so_o vehement_o
compress_v a_o glass_n on_o all_o side_n especial_o one_o of_o that_o thickness_n there_o mention_v as_o to_o break_v it_o p._n 72._o verius_fw-la etc._n etc._n it_o be_v therefore_o more_o true_o answer_v that_o the_o glass_n be_v therefore_o so_o break_v because_o by_o that_o exsuction_n its_o side_n be_v more_o vehement_o draw_v inward_o than_o by_o reason_n of_o the_o figure_n unfit_a for_o resistency_n they_o be_v able_a to_o resist_v for_o see_v the_o include_v air_n do_v most_o firm_o stick_v to_o the_o side_n of_o the_o glass_n to_o draw_v out_o the_o air_n will_v be_v nothing_o el_v but_o to_o endeavour_v to_o bend_v the_o fides_fw-la of_o the_o glass_n inward_o ibid._n sed_fw-la profecto_fw-la etc._n etc._n but_o true_o this_o seem_v too_o far_o remove_v from_o truth_n and_o may_v be_v by_o this_o alone_a sufficient_o refute_v because_o if_o the_o pressure_n of_o the_o air_n which_o descend_v by_o that_o tube_n into_o the_o vial_n be_v so_o great_a as_o to_o break_v the_o vial_n itself_o it_o ought_v certain_o before_o the_o break_n of_o the_o vial_n very_o much_o to_o move_v the_o water_n in_o which_o the_o tube_n be_v immerse_v and_o to_o excite_v bubble_n in_o it_o etc._n etc._n as_o appear_v if_o any_o one_o blow_v through_o that_o tube_n do_v make_v but_o a_o ordinary_a pressure_n upon_o the_o water_n but_o it_o be_v sure_a that_o the_o water_n before_o the_o vial_n be_v break_v do_v not_o move_v at_o all_o as_o the_o experimenter_n will_v find_v p._n 73._o licet_fw-la etc._n etc._n though_o the_o tube_n have_v be_v shut_v at_o the_o top_n the_o vial_n have_v doubtless_o be_v break_v after_o the_o same_o manner_n p._n 74._o sed_fw-la rectius_fw-la etc._n etc._n but_o it_o be_v more_o right_o thence_o infer_v that_o that_o cylinder_n do_v nothing_o there_o before_o p._n 75._o dice_n etc._n etc._n i_o say_v then_o that_o the_o quicksilver_n do_v by_o that_o exhaustion_n so_o descend_v in_o the_o tube_n because_o it_o be_v draw_v downward_o by_o the_o air_n incumbent_a upon_o the_o restagnant_fw-la quicksilver_n for_o that_o incumbent_a air_n be_v by_o its_o exhaustion_n great_o rarefy_v and_o extend_v vehement_o contract_v its_o self_n and_o by_o this_o contraction_n do_v endeavour_v to_o lift_v the_o restagnant_fw-la mercury_n out_o of_o its_o vessel_n whence_o it_o come_v to_o pass_v that_o the_o restagnant_fw-la mercury_n now_o less_o gravitate_v upon_o the_o bottom_n of_o its_o vessel_n the_o quicksilver_n in_o the_o tube_n must_v descend_v as_o be_v manifest_a in_o itself_o so_o that_o it_o be_v no_o wonder_n that_o the_o external_a air_n afterward_o enter_v the_o quicksilver_n again_o ascend_v see_v by_o that_o ingress_n the_o force_n which_o elevate_v the_o restagnant_fw-la quicksilver_n be_v weaken_v ibid._n atque_fw-la hinc_fw-la etc._n etc._n and_o hence_o be_v a_o reason_n also_o give_v of_o another_o thing_n which_o be_v there_o note_v namely_o that_o by_o the_o violent_a intrusion_n of_o the_o external_a air_n into_o the_o receiver_n the_o quicksilver_n ascend_v considerable_o above_o 29_o inch_n and_o a_o half_a for_o as_o by_o the_o extraction_n of_o the_o air_n the_o quicksilver_n be_v depress_v below_o its_o station_n so_o by_o the_o intrusion_n of_o new_a air_n it_o be_v elevate_v above_o it_o p._n 77._o nam_fw-la si_fw-la etc._n etc._n for_o if_o it_o be_v keep_v up_o by_o that_o it_o ought_v rather_o to_o ascend_v than_o descend_v in_o cold_a weather_n because_o the_o air_n than_o will_v be_v more_o dense_a and_o heavy_a therefore_o the_o quicksilver_n be_v not_o uphold_v by_o the_o aequilibrium_fw-la of_o air_n as_o be_v assert_v p._n 78._o hinc_fw-la fit_n etc._n etc._n hence_o it_o come_v to_o pass_v that_o this_o funicle_n be_v contract_v by_o the_o cold_a the_o water_n do_v ascend_v in_o cold_a weather_n but_o do_v descend_v in_o hot_a because_o by_o heat_n the_o funicle_n be_v dilate_v ibid._n ego_fw-la certè_fw-la etc._n etc._n i_o true_o do_v not_o doubt_v but_o there_o be_v some_o such_o occult_a cause_n by_o which_o the_o slender_a funicle_n that_o suspend_v as_o we_o mention_v in_o the_o 10._o chapter_n the_o quicksilver_n in_o the_o tube_n be_v sometime_o lengthen_v sometime_o shorten_v and_o so_o do_v sometime_o let_v down_o and_o sometime_o lift_v up_o the_o quicksilver_n p._n 79._o in_o decimo_fw-la nono_fw-la etc._n etc._n in_o the_o 19_o he_o show_v that_o water_n do_v in_o the_o same_o manner_n descend_v upon_o the_o exhaust_v the_o receiver_n as_o he_o have_v show_v quicksilver_n in_o the_o forego_n chapter_n to_o descend_v of_o both_o which_o see_v there_o be_v the_o same_o cause_n there_o be_v no_o reason_n we_o shall_v any_o long_o insist_v on_o this_o p._n 80._o nam_fw-la fi_fw-la etc._n etc._n for_o if_o it_o be_v do_v so_o these_o bubble_n ought_v not_o so_o to_o have_v ascend_v from_o the_o bottom_n of_o the_o vessel_n as_o it_o be_v assert_v they_o do_v both_o in_o this_o and_o the_o follow_a experiment_n that_o treat_v of_o bubble_n but_o from_o the_o upper_a part_n of_o the_o water_n where_o they_o be_v less_o compress_v as_o it_o be_v apparent_o manifest_a p._n 81._o respondeo_fw-la etc._n etc._n i_o answer_v that_o the_o water_n upon_o that_o exhaustion_n of_o the_o air_n do_v not_o so_o ascend_v of_o its_o own_o accord_n but_o be_v violent_o draw_v or_o lift_v upward_o by_o that_o rarefy_a air_n contract_v itself_o for_o as_o water_n do_v suffer_v some_o compression_n as_o appear_v by_o experience_n so_o here_o also_o it_o suffer_v some_o distension_n and_o hence_o it_o be_v clear_o manifest_a why_o these_o bubble_n shall_v arise_v rather_o from_o the_o bottom_n of_o the_o vessel_n than_o from_o the_o upper_a part_n of_o the_o water_n for_o when_o that_o vehement_a suction_n do_v endeavour_v to_o elevate_v the_o water_n from_o the_o bottom_n of_o the_o vial_n there_o arise_v there_o a_o certain_a subtle_a matter_n which_o be_v turn_v into_o bubble_n do_v so_o ascend_v as_o be_v mention_v in_o the_o 15._o chapter_n and_o the_o 4._o experiment_n p._n 82._o certum_fw-la esse_fw-la etc._n etc._n it_o be_v certain_a that_o that_o opinion_n be_v sufficient_o refute_v by_o this_o single_a experiment_n p._n 83._o necesse_fw-la etc._n etc._n it_o must_v needs_o be_v that_o that_o stone_n can_v not_o otherwise_o descend_v than_o by_o leave_v behind_o it_o such_o a_o thin_a substance_n as_o be_v leave_v by_o quicksilver_n or_o water_n descend_v in_o like_a manner_n ibid._n vnde_fw-la etc._n etc._n whence_o i_o plain_o conceive_v that_o if_o two_o perfectlypolished_a marble_n be_v so_o join_v that_o no_o air_n at_o all_o be_v leave_v between_o they_o they_o can_v not_o be_v draw_v asunder_o by_o all_o the_o power_n of_o man._n ibid._n uti_fw-la etiam_fw-la etc._n etc._n which_o also_o be_v confirm_v by_o the_o example_n the_o author_n there_o bring_v of_o a_o brass_n plate_n stick_v so_o close_o to_o a_o marble_n table_n that_o by_o a_o lusty_a youth_n who_o boast_v of_o his_o own_o strength_n it_o can_v not_o be_v lift_v off_o by_o a_o ring_n fix_v to_o its_o centre_n p._n 84._o eodem_fw-la etc._n etc._n almost_o the_o same_o manner_n as_o we_o see_v in_o cupping-glass_n apply_v to_o a_o patient_n back_o in_o which_o the_o flame_n be_v extinct_a the_o rarefy_a air_n contract_v itself_o do_v so_o vehement_o as_o we_o see_v lift_v up_o and_o draw_v the_o flesh_n within_o the_o glass_n p._n 85._o in_o he_o etc._n etc._n in_o these_o three_o there_o be_v nothing_o occur_v to_o be_v peculiar_o here_o explicate_v the_o account_n of_o which_o be_v not_o easy_a from_o what_o be_v already_o deliver_v ibid._n existimo_fw-la etc._n etc._n but_o i_o think_v that_o whiteness_n shall_v be_v rather_o call_v a_o reflex_n than_o a_o innate_a light_n because_o as_o the_o author_n bear_v witness_v it_o appear_v not_o in_o the_o dark_a but_o only_o in_o the_o day_n or_o by_o candle-light_n p._n 86._o verum_fw-la etc._n etc._n but_o it_o seem_v impossible_a that_o such_o animal_n shall_v die_v so_o soon_o only_o for_o want_v of_o a_o thick_a air._n p._n 87._o quia_fw-la per_fw-la etc._n etc._n because_o by_o the_o self-contraction_n of_o the_o rarefy_a air_n their_o breath_n be_v draw_v out_o of_o their_o body_n ibid._n atque_fw-la hinc_fw-la etc._n etc._n and_o thence_o also_o arise_v those_o vehement_a convulsion_n which_o the_o author_n there_o mention_n certain_a small_a bird_n to_o have_v endure_v before_o their_o death_n p._n 89._o in_o mala_fw-la etc._n etc._n in_o a_o bad_a cause_n they_o can_v do_v no_o other_o but_o who_o compel_v they_o to_o undertake_v a_o bad_a cause_n a_o summary_n of_o the_o content_n of_o the_o several_a chapter_n part_n i._n wherein_o the_o adversary_n objection_n against_o the_o elaterist_n be_v examine_v chap._n i._n the_o occasion_n of_o this_o write_n pag._n 1._o franciscus_n linus_n his_o civility_n in_o writing_n oblige_v the_o author_n to_o the_o like_a
p._n 2._o book_n concern_v the_o torricellian_a experiment_n wherewith_o the_o author_n be_v former_o unacquainted_a ibid._n the_o inconvenience_n of_o linus_n principle_n ibid._n the_o division_n of_o the_o ensue_a treatise_n into_o three_o part_n chap._n ii_o a_o repetition_n of_o the_o adversary_n opinion_n and_o argument_n his_o argument_n against_o the_o weight_n of_o the_o air_n examine_v p._n 4._o a_o experiment_n of_o he_o to_o prove_v that_o the_o external_a air_n can_v keep_v up_o twenty_o inch_n of_o quicksilver_n from_o descend_v in_o a_o tube_n twenty_o inch_n long_o ibid._n the_o author_n answer_n and_o reconciliation_n of_o the_o experiment_n to_o his_o hypothesis_n p._n 5._o and_o the_o relation_n of_o a_o experiment_n of_o the_o author_n wherein_o only_a water_n be_v employ_v instead_o of_o quick_a silver_n without_o other_o alteration_n of_o the_o adversary_n experiment_n it_o agree_v well_o with_o and_o confirm_v the_o author_n hypothesis_n and_o his_o explication_n of_o the_o mention_a experiment_n ibid._n that_o water_n have_v no_o spring_n at_o all_o or_o a_o very_a weak_a one_o p._n 6._o the_o second_o argument_n examine_v ib._n whether_o the_o same_o quantity_n of_o air_n can_v adequate_o fill_v a_o great_a space_n p._n 7._o the_o conceivableness_n of_o both_o hypothesis_n compare_v ibid._n chap._n iii_o another_o argument_n of_o the_o adversary_n from_o a_o experiment_n wherein_o the_o mercury_n sink_v draw_v the_o finger_n into_o the_o tube_n examine_v q._n whether_o the_o mercury_n place_v in_o its_o own_o station_n be_v uphold_v by_o the_o external_a air_n or_o suspend_v there_o by_o a_o internal_a cord_n p._n 7_o 8._o chap._n iu._n a_o repetition_n of_o franciscus_n linus_n his_o principal_a experiment_n wherein_o in_o a_o tube_n of_o twenty_o inch_n long_o the_o finger_n on_o the_o top_n be_v suppose_v to_o be_v strong_o draw_v and_o suck_v into_o the_o tube_n p._n 8._o the_o experiment_n explicate_v without_o the_o assistance_n of_o suction_n by_o the_o pressure_n of_o the_o external_a air_n upon_o the_o outside_n of_o the_o finger_n thrust_v not_o suck_v in_o p._n 9_o franciscus_n linus_n his_o argumentation_n consider_v p._n 10._o chap._n v._n the_o eximiner_n last_o experiment_n consider_v in_o which_o he_o argue_v against_o the_o author_n hypothesis_n because_o mercury_n be_v not_o suck_v out_o of_o a_o vessel_n through_o a_o tube_n so_o easy_o as_o water_n be_v p._n 11_o 12._o a_o experiment_n of_o monsieur_n paschall_n show_v that_o if_o the_o upper_a part_n of_o a_o tube_n can_v be_v free_v from_o the_o pressure_n of_o all_o internal_a air_n the_o mercury_n will_v by_o the_o pressure_n of_o the_o outward_a air_n be_v carry_v up_o into_o the_o tube_n as_o well_o as_o water_n till_o it_o have_v attain_v a_o height_n great_a enough_o to_o make_v its_o weight_n equal_a to_o that_o of_o the_o atmosphere_n p._n 13._o why_o in_o a_o more_o forcible_a respiration_n the_o mercurial_a cylinder_n be_v raise_v high_a than_o in_o a_o more_o languid_a p._n 14._o a_o remark_n by_o the_o high_a that_o the_o contraction_n of_o the_o adversary_n suppose_v funiculus_fw-la be_v not_o feel_v upon_o the_o lung_n p._n 15._o chap._n vi_o the_o examination_n of_o the_o adversary_n 4_o chapter_n p._n 15._o that_o the_o spring_n of_o the_o air_n may_v have_v some_o advantage_n in_o point_n of_o force_n above_o the_o weight_n of_o it_o p._n 16._o that_o it_o be_v unintelligible_a how_o the_o same_o air_n can_v adequate_o fill_v more_o space_n at_o one_o time_n than_o at_o another_o p._n 17._o part_n ii_o wherein_o the_o adversary_n funicular_a hypothesis_n be_v examine_v chap._n i._n wherein_o what_o be_v allege_v to_o prove_v the_o funiculus_fw-la be_v consider_v and_o some_o difficulty_n be_v propose_v against_o the_o hypothesis_n the_o nature_n of_o this_o suppose_a funiculus_fw-la describe_v p._n 18._o that_o according_a to_o the_o adversary_n opinion_n this_o funiculus_fw-la be_v produce_v by_o nature_n only_o to_o hinder_v a_o vacuum_n p._n 19_o 20._o the_o adversary_n proof_n that_o there_o be_v no_o vacuum_n examine_v p._n 20_o 21._o that_o where_o no_o sensible_a part_n be_v unenlightned_n the_o place_n may_v not_o be_v full_a of_o light_n p._n 21._o the_o same_o true_a in_o odour_n ibid._n that_o there_o may_v be_v matter_n enough_o to_o transmit_v the_o impulse_n of_o light_n though_o betwixt_o the_o particle_n of_o that_o matter_n there_o shall_v be_v store_n of_o vacuity_n intercept_v p._n 22._o that_o a_o solid_a body_n bathe_v no_o considerable_a sense_n of_o pressure_n from_o fluid_a body_n p._n 24._o of_o the_o cause_n of_o the_o vibration_n of_o quicksilver_n in_o its_o descent_n p._n 24_o 25._o chap._n ii_o wherein_o divers_a other_o difficulty_n be_v object_v against_o the_o funicular_a hypothesis_n as_o that_o in_o liquor_n of_o divers_a weight_n and_o nature_n as_o water_n wine_n and_o quicksilver_n there_o shall_v be_v just_o the_o same_o weight_n or_o strength_n to_o extend_v they_o into_o a_o funiculus_fw-la p._n 27._o that_o whereas_o the_o weight_n and_o spring_n of_o the_o air_n be_v infer_v from_o unquestioned_a experiment_n the_o account_n of_o that_o hypothesis_n be_v strange_a and_o unsatisfactory_a as_o that_o the_o quicksilver_n do_v not_o only_o touch_v the_o top_n of_o the_o glass_n but_o stick_v to_o it_o that_o nature_n wreath_n a_o little_a rarefy_a air_n into_o a_o strong_a rope_n even_o able_a to_o draw_v up_o quicksilver_n p._n 27_o 28._o that_o rarefaction_n be_v perform_v by_o a_o certain_a unknown_a force_n or_o vis_fw-la divulsiva_fw-la ibid._n that_o thin_a surface_n be_v leave_v successive_o one_o after_o another_o that_o these_o surface_n be_v contrive_v into_o string_n that_o may_v be_v stretch_v without_o be_v make_v more_o slender_a etc._n etc._n p._n 29._o the_o illustration_n of_o the_o manner_n how_o his_o funiculus_fw-la be_v make_v from_o the_o rarefaction_n of_o wax_n or_o tallow_n in_o a_o light_a candle_n be_v consider_v p._n 30._o and_o show_v not_o to_o be_v apposite_a ibid._n divers_a other_o difficulty_n and_o improbability_n manifest_v in_o the_o funicular_a hypothesis_n p._n 31._o of_o the_o inward_a spring_n necessary_a to_o the_o contraction_n of_o his_o funiculus_fw-la p._n 31_o 32._o a_o argument_n from_o a_o pendulum_n move_a free_o in_o a_o exhaust_a receiver_n that_o the_o medium_n it_o move_v in_o do_v not_o consist_v of_o innumerable_a exceedingly-stretched_a string_n p._n 35._o chap._n iii_o the_o aristotelean_a rarefaction_n propose_v by_o the_o adversary_n examine_v what_o rarefaction_n and_o condensation_n be_v p._n 34._o three_o way_n of_o explicate_v how_o rarefaction_n be_v make_v p._n 34_o 35._o absurdity_n in_o resolve_v the_o magdeburg_n experiment_n by_o the_o aristotelean_a way_n of_o rarefaction_n p._n 36._o the_o inconvenience_n of_o the_o several_a hypothesis_n compare_v p._n 37._o the_o difficulty_n in_o the_o adversary_n explain_v rarefaction_n by_o body_n infinite_o divisible_a ibid._n the_o difficulty_n of_o explain_v it_o by_o suppose_v body_n make_v up_o of_o part_n indivisible_a p._n 39_o 40._o the_o difficulty_n wherewith_o his_o condensation_n be_v encumber_v as_o that_o it_o infer_v penetration_n of_o dimension_n etc._n etc._n p._n 41._o chap._n iu._n a_o consideration_n pertinent_a to_o the_o present_a controversy_n of_o what_o happen_v in_o try_v the_o torricellian_n and_o other_o experiment_n at_o the_o top_n and_o foot_n of_o hill_n that_o the_o funicular_a hypothesis_n be_v but_o a_o inversion_n of_o the_o elastical_a one_o suppose_v a_o spring_n inward_o the_o other_o outward_n one_o perform_v its_o effect_n by_o pulsion_n the_o other_o by_o traction_n p._n 46._o that_o these_o trial_n on_o the_o top_n and_o foot_n of_o hill_n determine_v the_o case_n for_o the_o author_n hypothesis_n p._n 47._o the_o truth_n of_o the_o observation_n of_o monsieur_n paschall_n confirm_v p._n 48._o and_o the_o several_a trial_n that_o have_v be_v make_v of_o it_o relate_v ibid._n a_o trial_n of_o the_o author_n be_v from_o the_o lead_v of_o the_o abbey-church_n at_o westminster_n p._n 50_o 51_o 52._o that_o the_o subsidence_n of_o the_o mercury_n at_o the_o top_n of_o a_o hill_n proceed_v from_o the_o lightness_n of_o the_o atmospherical_a cylinder_n there_o p._n 53._o the_o relation_n of_o a_o experiment_n late_o make_v at_o hallifax_n hill_n in_o confirmation_n of_o the_o former_a p._n 54._o chap._n v._n two_o new_a experiment_n touch_v the_o measure_n of_o the_o force_n of_o the_o spring_n of_o the_o air_n compress_v and_o dilate_a that_o it_o be_v capable_a of_o do_v far_o more_o than_o the_o necessity_n of_o the_o author_n hypothesis_n require_v p._n 55._o the_o first_o experiment_n of_o compress_v air_n by_o pour_v mercury_n into_o a_o crooked_a tube_n relate_v ibid._n wherein_o the_o same_o air_n be_v bring_v to_o a_o degree_n of_o density_n twice_o as_o great_a obtain_v a_o spring_n twice_o as_o strong_a as_o before_o p._n 57_o a_o table_n of_o
the_o condensation_n of_o the_o air_n according_a to_o this_o experiment_n p._n 58._o particular_a circumstance_n observe_v in_o the_o make_v the_o experiment_n ibid._n how_o far_o the_o spring_n of_o the_o air_n may_v be_v increase_v p._n 60._o of_o the_o decrement_n of_o the_o force_n of_o dilate_a air_n p._n 61._o a_o table_n of_o the_o rarefaction_n of_o the_o air_n p._n 62._o particular_a circumstance_n in_o make_v the_o experiment_n whence_o this_o table_n be_v draw_v p._n 63_o etc._n etc._n that_o the_o free_a air_n here_o below_o appear_v to_o be_v near_o as_o strong_o compress_v by_o the_o weight_n of_o the_o incumbent_a air_n as_o it_o will_v be_v by_o the_o weight_n of_o a_o mercurial_a cylinder_n of_o 28_o or_o 30_o inch_n p._n 65._o part_n iii_o wherein_o what_o be_v object_v against_o mr._n boyle_n explication_n of_o particular_a experiment_n be_v answer_v the_o entrance_n into_o this_o part_n of_o the_o discourse_n with_o a_o advertisement_n how_o far_o only_o it_o will_v be_v requisite_a to_o examine_v the_o adversary_n assertion_n and_o explication_n the_o hypothesis_n on_o both_o side_n be_v before_o consider_v p._n 67._o a_o defence_n of_o the_o first_o and_o second_o experiment_n concern_v the_o intrusion_n of_o the_o finger_n into_o the_o orifice_n of_o the_o valve_n of_o the_o evacuated_a receiver_n p._n 68_o a_o defence_n of_o the_o three_o experiment_n why_o the_o sucker_n be_v draw_v down_o there_o be_v no_o great_a difficulty_n in_o the_o end_n than_o in_o the_o begin_n of_o the_o depression_n ibid._n of_o the_o four_o experiment_n touch_v the_o swell_n of_o a_o bladder_n upon_o the_o exhaustion_n of_o the_o ambient_fw-la air_n and_o proportionable_o to_o that_o exhaustion_n p._n 70_o 71._o the_o author_n be_v and_o the_o funicular_a hypothesis_n in_o the_o explication_n of_o this_o phaenomenon_n compare_v ibid._n of_o the_o five_o experiment_n ibid._n of_o the_o eight_o experiment_n about_o the_o break_n of_o a_o glass-receiver_n which_o be_v not_o globular_a upon_o the_o exhaustion_n of_o the_o inward_a air_n p._n 71._o whether_o it_o be_v more_o likely_a to_o be_v break_v by_o the_o pressure_n of_o the_o atmosphere_n without_o or_o a_o contraction_n of_o a_o string_n of_o air_n witbin_n p._n 72._o of_o the_o nine_o experiment_n ibid._n whether_o the_o break_n of_o the_o vial_n outward_o in_o the_o exhaust_a receiver_n be_v cause_v by_o the_o pressure_n of_o the_o atmosphere_n through_o the_o tube_n which_o be_v open_a to_o the_o ambient_fw-la air_n p._n 73._o of_o the_o 17._o experiment_n p._n 74_o 75_o 76._o the_o torricellian_a experiment_n be_v make_v within_o the_o receiver_n whether_o the_o descent_n and_o ascent_n of_o the_o mercury_n in_o the_o tube_n under_o and_o above_o its_o wont_a station_n be_v cause_v by_o the_o debilitate_a and_o strengthen_v spring_n of_o the_o air_n ibid._n of_o the_o 18._o experiment_n p._n 77_o 78._o whether_o the_o author_n or_o the_o funicular_a hypothesis_n assign_v the_o more_o probable_a cause_n why_o a_o cylinder_n of_o mercury_n do_v in_o winter_n rise_v and_o fall_v in_o the_o tube_n sometime_o as_o water_n in_o a_o weatherglass_n according_a to_o the_o law_n of_o heat_n and_o cold_a and_o sometime_o contrary_a thereunto_o ibid._n of_o the_o 19_o experiment_n p._n 79._o of_o the_o 20._o experiment_n p._n 79_o 80._o some_o mistake_n in_o the_o adversary_n of_o the_o author_n meaning_n about_o the_o spring_n of_o the_o water_n and_o the_o place_n whence_o the_o bubble_n arise_v ibid._n the_o hypothesis_n compare_v ibid._n of_o the_o 31._o experiment_n p._n 81_o 82_o 83._o of_o the_o cause_n why_o the_o marble_n fall_v not_o asunder_o in_o the_o exhaust_a receiver_n though_o a_o weight_n of_o four_o ounce_n be_v hang_v at_o the_o low_a stone_n ibid._n whether_o the_o account_n of_o the_o author_n or_o adversary_n be_v more_o satisfactory_a ibid._n of_o the_o 32._o and_o 33._o experiment_n of_o the_o re-ascent_n of_o the_o sucker_n and_o its_o carry_v up_o a_o great_a weight_n with_o it_o upon_o the_o exhaustion_n of_o the_o receiver_n p._n 84._o how_o the_o flesh_n and_o neighbour_a blood_n of_o a_o patient_n be_v thrust_v up_o into_o a_o cupping-glass_n ibid._n of_o the_o 37._o experiment_n and_o the_o cause_n of_o the_o appearance_n of_o light_n or_o whiteness_n therein_o p._n 85._o of_o the_o 40._o and_o 41._o experiment_n concern_v the_o cause_n of_o the_o sudden_a death_n of_o animal_n in_o the_o exhaust_a receiver_n p._n 85_o 86._o of_o the_o 42._o and_o 43._o experiment_n p._n 87._o the_o conclusion_n p._n 91_o 92._o finis_fw-la a_fw-la examen_fw-la of_o mr._n t._n hobbs_n his_o dialogus_fw-la physicus_fw-la de_fw-fr naturâ_fw-la aëris_fw-la as_o far_o as_o it_o concern_v mr._n boyle_n book_n of_o new_a experiment_n touch_v the_o spring_n of_o the_o air_n etc._n etc._n with_o a_o appendix_n touch_v mr._n hobbs_n doctrine_n of_o fluidity_n and_o firmness_n by_o the_o author_n of_o those_o experiment_n london_n print_v by_o m._n flesher_n for_o richard_n davis_n bookseller_n in_o oxford_n 1682._o the_o preface_n have_v soon_o after_o i_o have_v begin_v the_o follow_a examen_fw-la of_o mr._n hobbs_n dialogue_n be_v divert_v for_o a_o good_a while_n by_o divers_a urgent_a avocation_n from_o pursue_v it_o i_o be_v in_o the_o mean_a time_n inform_v by_o learned_a man_n some_o of_o who_o keep_v great_a correspondence_n with_o the_o virtuoso_n abroad_o that_o my_o publish_v any_o thing_n against_o his_o objection_n will_v not_o be_v necessary_a nor_o be_v much_o expect_v whereupon_o i_o shall_v perhaps_o have_v decline_v resume_v a_o employment_n that_o to_o a_o person_n of_o my_o humour_n can_v not_o be_v delightful_a but_o that_o beside_o those_o inducement_n mention_v at_o the_o begin_n of_o the_o follow_a treatise_n it_o come_v into_o my_o mind_n that_o my_o adversary_n not_o content_a to_o fall_v upon_o the_o explication_n of_o my_o experiment_n have_v by_o a_o attempt_n for_o aught_o i_o know_v unexampled_a endeavour_v to_o disparage_v unobvious_a experiment_n themselves_o and_o to_o discourage_v other_o from_o make_v they_o which_o if_o he_o can_v by_o his_o dialogue_n effect_n i_o dare_v be_v bold_a to_o say_v he_o will_v far_o more_o prejudice_n philosophy_n by_o this_o one_o tract_n than_o he_o and_o that_o it_o may_v not_o seem_v say_v to_o undervalue_v he_o i_o shall_v add_v or_o any_o man_n else_o can_v promote_v it_o by_o all_o his_o other_o write_n wherefore_o though_o his_o disparage_n of_o experiment_n will_v probable_o have_v much_o more_o authority_n especial_o with_o consider_v man_n if_o he_o have_v be_v the_o author_n of_o considerable_a one_o or_o do_v appear_v to_o be_v more_o than_o ordinary_o skill_v in_o they_o yet_o lest_o for_o all_o this_o his_o fame_n and_o confident_a way_n of_o writing_n may_v prejudice_v experimental_a philosophy_n in_o the_o mind_n of_o those_o who_o be_v yet_o stranger_n to_o it_o i_o think_v it_o not_o amiss_o both_o to_o go_v on_o with_o the_o discourse_n i_o have_v begin_v and_o to_o enlarge_v it_o beyond_o what_o i_o first_o design_v and_o according_o to_o the_o intend_a vindication_n of_o the_o main_a point_n of_o our_o doctrine_n the_o weight_n and_o spring_n of_o the_o air_n which_o if_o i_o mistake_v not_o we_o have_v firm_o establish_v we_o have_v add_v a_o examen_fw-la that_o otherwise_o we_o shall_v scarce_o have_v make_v of_o the_o great_a part_n of_o the_o physiological_a passage_n in_o mr._n hobbs_n book_n most_o of_o which_o i_o think_v may_v be_v rational_o question_v and_o many_o of_o they_o clear_o disprove_v and_o in_o pursuance_n of_o this_o though_o i_o do_v not_o perhaps_o always_o think_v myself_o oblige_v to_o prosecute_v thing_n further_o than_o the_o nature_n of_o my_o design_n require_v or_o to_o forget_v that_o the_o matter_n in_o dispute_n be_v not_o all_o of_o a_o equal_a weight_n yet_o the_o reflection_n i_o have_v employ_v will_n i_o presume_v be_v find_v sufficient_a to_o show_v both_o that_o it_o be_v easy_a even_o for_o a_o great_a wit_n frequent_o enough_o to_o mistake_v and_o much_o more_o frequent_o to_o miss_v of_o clear_o demonstrate_v what_o he_o pretend_v in_o matter_n physical_a for_o want_v of_o have_v sufficient_o consider_v the_o experiment_n he_o will_v be_v think_v to_o despise_v and_o that_o mr._n hobbs_n adversary_n need_v not_o be_v much_o ashamed_a of_o the_o name_n he_o be_v please_v to_o give_v they_o of_o experimentarian_a philosopher_n it_o be_v also_o suggest_v to_o i_o that_o the_o dangerous_a opinion_n about_o some_o important_a if_o not_o fundamental_a article_n of_o religion_n i_o have_v meet_v within_o his_o leviathan_n and_o some_o other_o of_o his_o write_n have_v make_v but_o too_o great_a impression_n upon_o divers_a person_n who_o though_o say_v to_o be_v for_o the_o most_o part_n either_o of_o great_a quality_n or_o of_o great_a wit_n than_o learning_n do_v yet_o divers_a
the_o society_n those_o opinion_n which_o how_o erroneous_a soever_o he_o be_v please_v to_o think_v they_o i_o must_v own_o to_o be_v i_o and_o this_o justice_n i_o the_o rather_o do_v it_o because_o it_o be_v all_o that_o i_o be_o to_o do_v in_o this_o treatise_n on_o their_o behalf_n not_o only_o for_o the_o reason_n above_o intimate_v but_o because_o the_o vindication_n of_o such_o a_o assembly_n against_o mr._n hobbs_n deserve_v a_o better_a pen_n than_o i_o though_o it_o do_v not_o need_v it_o second_o undertake_v then_o the_o defence_n of_o my_o own_o cause_n without_o interess_v they_o in_o my_o quarrel_n i_o must_v next_o admonish_v the_o reader_n that_o whereas_o mr._n hobbs_n write_v as_o if_o the_o new_a experiment_n be_v devise_v or_o at_o least_o employ_v to_o prove_v a_o vacuum_n he_o be_v in_o this_o likewise_o mistake_v for_o neither_o have_v the_o society_n declare_v either_o for_o or_o against_o a_o vacuum_n nor_o have_v i_o nay_o i_o have_v not_o only_o forbear_v to_o profess_v myself_o a_o vacuist_n or_o a_o plenist_n but_o i_o have_v in_o a_o fit_a place_n of_o my_o epistle_n express_o say_v that_o i_o reserve_v the_o declare_v of_o my_o own_o opinion_n touch_v that_o point_n to_o another_o discourse_n which_o as_o yet_o be_v not_o publish_v wherefore_o mr._n hobbs_n either_o injure_v or_o mistake_v those_o who_o he_o will_v needs_o make_v his_o adversary_n when_o he_o represent_v the_o new_a experiment_n as_o demonstration_n allege_v by_o profess_a vacuist_n to_o disprove_v the_o fullness_n of_o the_o world_n and_o though_o i_o shall_v be_v oblige_v in_o the_o follow_a discourse_n to_o reject_v mr._n hobbs_n supposition_n of_o a_o plenum_fw-la yet_o i_o intend_v not_o thereby_o to_o declare_v whether_o or_o no_o i_o do_v absolute_o allow_v a_o vacuum_n but_o that_o which_o i_o drive_v at_o and_o which_o alone_o my_o present_a work_n exact_v be_v to_o show_v that_o i_o may_v reasonable_o oppose_v the_o hypothesis_n of_o a_o plenum_fw-la as_o it_o be_v state_v by_o mr._n hobbs_n and_o consequent_o unless_o he_o have_v better_a prove_v it_o i_o may_v very_o well_o refuse_v to_o let_v he_o take_v it_o for_o demonstrate_v but_o i_o intend_v not_o to_o question_v whether_o or_o no_o other_o plenist_n may_v not_o have_v better_a argument_n than_o his_o principle_n have_v suggest_v to_o he_o nor_o to_o deny_v but_o that_o the_o cartesian_o may_v without_o grant_v a_o vacuum_n give_v a_o more_o plausible_a account_n whether_o true_a or_o no_o of_o divers_a of_o the_o phaenomena_n of_o our_o engine_n if_o they_o will_v add_v as_o some_o of_o they_o of_o late_o have_v do_v the_o spring_n of_o the_o air_n to_o their_o hypothesis_n that_o the_o celestial_a matter_n of_o which_o the_o air_n do_v in_o great_a part_n consist_v be_v subtle_a enough_o free_o to_o pass_v through_o the_o pore_n of_o the_o close_a body_n and_o even_o glass_n itself_o as_o for_o the_o assertion_n non_fw-fr dari_fw-la vacuum_fw-la though_o as_o i_o say_v i_o need_v not_o in_o this_o place_n declare_v myself_o either_o for_o or_o against_o it_o yet_o i_o confess_v i_o do_v not_o find_v that_o mr._n hobbs_n though_o all_o along_o this_o discourse_n he_o argue_v from_o this_o principle_n against_o those_o he_o think_v vacuist_n have_v demonstrate_v it_o for_o in_o his_o book_n de_fw-fr corpore_fw-la though_o a_o main_a part_n of_o it_o depend_v 2._o upon_o the_o plenitude_n of_o the_o world_n he_o have_v that_o i_o remember_v but_o one_o positive_a argument_n indeed_o he_o think_v that_o unanswerable_a to_o evince_v it_o and_o that_o be_v draw_v from_o this_o experiment_n that_o if_o a_o gardener_n watering-pot_n be_v fill_v with_o water_n the_o hole_n at_o the_o top_n be_v stop_v the_o water_n will_v not_o flow_v out_o at_o any_o of_o the_o hole_n in_o the_o bottom_n but_o if_o the_o finger_n be_v remove_v to_o let_v in_o the_o air_n above_o it_o will_v run_v out_o at_o they_o all_o and_o as_o soon_o as_o the_o finger_n be_v apply_v to_o it_o again_o the_o water_n will_v sudden_o and_o totallay_v be_v stay_v again_o srom_o run_v out_o the_o cause_n whereof_o subjoin_v he_o seem_v to_o be_v no_o other_o but_o this_o that_o the_o water_n can_v by_o its_o natural_a endeavour_n to_o descend_v drive_v down_o the_o air_n below_o it_o because_o there_o be_v no_o place_n for_o it_o to_o go_v into_o unless_o either_o by_o thrust_v away_o the_o next_o contiguous_a air_n it_o proceed_v by_o continual_a endeavour_n to_o the_o hole_n at_o the_o top_n where_o it_o may_v enter_v and_o succeed_v in_o the_o place_n of_o the_o water_n that_o flow_v out_o or_o else_o by_o resist_v the_o endeavour_n of_o the_o water_n downward_o penetrate_v the_o same_o and_o pass_v up_o through_o it_o but_o this_o experiment_n as_o a_o obvious_a one_o and_o without_o dream_v that_o mr._n hobbs_n have_v lay_v such_o stress_n upon_o it_o i_o have_v incidental_o answer_v in_o what_o i_o say_v in_o two_o or_o three_o passage_n on_o the_o thirty_o three_o experiment_n of_o my_o epistle_n but_o after_o find_v that_o it_o have_v be_v more_o full_o answer_v but_o upon_o ground_n some_o of_o which_o i_o do_v not_o need_v by_o my_o learned_a friend_n dr._n ward_n with_o who_o i_o thus_o take_v mr._n hobbs_n his_o argument_n to_o piece_n the_o cause_n according_a to_o mr._n hobbs_n of_o the_o suspension_n of_o the_o water_n in_o the_o vessel_n be_v that_o the_o water_n can_v thrust_v away_o the_o air._n 2._o and_o it_o can_v thrust_v that_o away_o unless_o air_n succeed_v in_o its_o place_n 3._o but_o air_n can_v succeed_v in_o its_o place_n unless_o either_o by_o get_v in_o at_o the_o upper_a orifice_n or_o at_o the_o holes_n that_o perforate_v the_o bottom_n by_o which_o view_n of_o the_o argument_n it_o appear_v that_o the_o main_a force_n of_o it_o lie_v in_o the_o second_o proposition_n but_o neither_o do_v he_o demonstrate_v that_o which_o omission_n may_v excuse_v we_o from_o any_o further_a answer_n nor_o indeed_o do_v i_o think_v it_o true_a for_o if_o the_o water_v pot_n be_v tall_a enough_o what_o reason_n be_v there_o why_o the_o water_n shall_v not_o run_v out_o at_o the_o holes_n of_o it_o as_o mounseur_fw-fr paschall_n experiment_n mention_v in_o my_o epistle_n manifest_v that_o though_o in_o a_o glass-tube_n hermetical_o seal_v at_o one_o end_n and_o several_a time_n as_o long_o as_o a_o watering-pot_n the_o water_n will_v not_o fall_v down_o yet_o it_o will_v if_o the_o tube_n exceed_v two_o or_o three_o and_o thirty_o foot_n or_o thereabouts_o and_o indeed_o the_o suspension_n or_o descent_n of_o the_o water_n depend_v upon_o the_o proportion_n betwixt_o the_o weight_n of_o the_o aqueous_a pillar_n that_o tend_v downward_o and_o the_o resistance_n or_o pressure_n of_o the_o air_n that_o can_v come_v to_o bear_v against_o it_o for_o as_o on_o the_o one_o side_n when_o the_o height_n of_o that_o pillar_n be_v so_o increase_v as_o that_o it_o can_v outweigh_v the_o atmospherical_a cylinder_n that_o oppose_v its_o descent_n it_o will_v flow_v out_o till_o those_o two_o cylinder_n come_v to_o a_o aequilibrium_fw-la so_o on_o the_o other_o side_n if_o instead_o of_o increase_v the_o length_n of_o the_o cylinder_n of_o the_o water_n you_o lessen_v the_o pressure_n and_o resistance_n of_o the_o air_n the_o water_n will_v likewise_o descend_v though_o the_o pillar_n be_v very_o short_a as_o i_o have_v show_v in_o the_o nineteen_o experiment_n where_o by_o withdraw_v some_o of_o the_o air_n in_o the_o receiver_n and_o thereby_o weaken_v its_o spring_n the_o water_n in_o a_o tube_n hermetical_o seal_v at_o one_o end_n of_o but_o about_o four_o foot_n long_o subside_v about_o three_o foot_n though_o that_o the_o space_n relinquish_v by_o the_o water_n be_v not_o full_a of_o air_n as_o mr._n hobbs_n his_o argumentation_n require_v it_o shall_v be_v may_v be_v prove_v by_o what_o be_v there_o add_v that_o by_o let_v in_o the_o outward_a air_n when_o the_o water_n be_v sink_v so_o low_o it_o be_v immediate_o impel_v up_o again_o to_o the_o high_a part_n of_o the_o tube_n and_o indeed_o as_o i_o elsewhere_o discourse_v it_o seem_v flame_n to_o i_o a_o difficult_a matter_n for_o those_o that_o reject_v as_o mr._n hobbs_n just_o do_v that_o conceit_n of_o nature_n abhor_v a_o vacuum_n and_o make_v it_o as_o it_o be_v her_o business_n to_o hinder_v it_o to_o prove_v there_o can_v be_v no_o vacuum_n at_o all_o by_o any_o particular_a experiment_n for_o if_o the_o fullness_n of_o the_o world_n be_v not_o make_v necessary_a either_o by_o the_o nature_n of_o body_n in_o general_n or_o by_o the_o design_n of_o the_o author_n of_o the_o universe_n it_o can_v scarce_o be_v easy_a to_o prove_v by_o a_o particular_a experiment_n that_o no_o humane_a force_n or_o art_n can_v contrive_v a_o
way_n of_o overcome_v at_o least_o for_o some_o time_n and_o as_o to_o some_o space_n either_o the_o gravity_n of_o fluid_a body_n or_o whatever_o other_o quality_n of_o the_o air_n or_o water_n it_o be_v by_o which_o the_o contiguity_n of_o the_o neighbour_a part_n of_o the_o world_n be_v wont_a to_o be_v maintain_v as_o we_o see_v the_o water_n that_o will_v not_o descendeven_a in_o a_o tube_n of_o thirty_o foot_n and_o thereby_o have_v make_v man_n think_v it_o will_v never_o descend_v whilst_o the_o air_n be_v not_o permit_v to_o succeed_v it_o may_v by_o our_o engine_n be_v bring_v to_o subside_v in_o a_o tube_n of_o about_o a_o foot_n long_o and_o i_o shall_v here_o add_v this_o out_o of_o my_o yet_o unpublisht_v dialogue_n of_o flame_n and_o heat_n that_o whilst_o only_o particular_a experiment_n be_v bring_v to_o assert_v the_o impossibility_n of_o a_o vacuum_n perhaps_o the_o vacuist_n will_v have_v the_o advantage_n on_o their_o side_n for_o a_o thousand_o experiment_n be_v not_o of_o that_o force_n to_o prove_v universal_o that_o a_o thing_n can_v be_v effect_v as_o one_o that_o show_v it_o may_v be_v be_v to_o prove_v the_o contrary_n and_o the_o vacuist_n have_v as_o well_o as_o the_o plenist_n store_n of_o experiment_n on_o their_o side_n that_o seem_v to_o favour_v their_o hypothesis_n according_a to_o which_o be_v it_o true_a i_o see_v not_o why_o they_o may_v not_o solve_v the_o objection_n draw_v from_o either_o the_o ascension_n of_o liquor_n upon_o suction_n or_o the_o non-descension_n of_o liquor_n in_o watering-pot_n close_v at_o the_o top_n or_o from_o any_o of_o the_o like_a experiment_n i_o have_v yet_o meet_v with_o in_o case_n the_o weight_n and_o spring_n of_o the_o air_n be_v take_v in_o to_o solve_v the_o phaenomena_n and_o the_o vacuist_n will_v have_v this_o advantage_n that_o if_o mr._n hobbs_n shall_v say_v that_o it_o it_o as_o lawful_a for_o he_o to_o assume_v a_o plenum_fw-la as_o for_o other_o to_o assume_v a_o vacuum_n not_o only_o it_o may_v be_v answer_v it_o be_v also_o as_o lawful_a for_o they_o to_o assume_v the_o contrary_a and_o he_o but_o bare_o assume_v not_o prove_v a_o plenum_fw-la his_o doctrine_n will_v still_o remain_v questionable_a but_o i_o think_v i_o can_v say_v more_o in_o favour_n of_o the_o vacuist_n experiment_n namely_o that_o whereas_o in_o some_o phaenomena_n of_o the_o torrecellian_a experiment_n and_o in_o many_o of_o those_o of_o our_o engine_n mr._n hobbs_n prove_v the_o space_n desert_v by_o the_o quicksilver_n or_o the_o air_n to_o have_v no_o vacuity_n because_o according_a to_o his_o supposition_n the_o world_n be_v full_a and_o not_o by_o any_o sensible_a phaenomena_n that_o prove_v the_o space_n in_o question_n to_o be_v perfect_o full_a for_o no_o less_o fullness_n be_v requisite_a to_o the_o truth_n of_o his_o hypothesis_n the_o vacuist_n on_o the_o other_o side_n need_v not_o go_v about_o to_o prove_v that_o those_o space_n be_v not_o full_a by_o their_o hypothesis_n but_o they_o prove_v it_o by_o this_o that_o it_o appear_v by_o sensible_a phaenomena_n that_o the_o quicksilver_n desert_n the_o upper_a part_n of_o the_o tube_n and_o that_o much_o air_n be_v pump_v out_o of_o our_o receiver_n the_o first_o of_o which_o be_v evident_a to_o the_o eye_n and_o so_o be_v the_o other_o too_o when_o the_o pump_n be_v keep_v under_o water_n but_o it_o do_v not_o appear_v by_o the_o like_a phaenomena_n that_o the_o air_n as_o mr._n hobbs_n will_v have_v it_o in_o be_v element_n do_v succeed_v to_o fill_v i_o say_v perfect_o to_o fill_v the_o desert_a space_n which_o also_o they_o will_v confirm_v from_o hence_o that_o in_o the_o torrecellian_a experiment_n by_o incline_v the_o tube_n the_o relinquish_v space_n may_v be_v again_o ready_o fill_v with_o mercury_n and_o if_o our_o exhaust_a receiver_n be_v plunge_v under_o water_n that_o liquor_n when_o access_n be_v give_v it_o to_o the_o cavity_n violent_o rush_n into_o it_o and_o almost_o fill_v it_o up_o from_o all_o which_o it_o seem_v probable_o deducible_a that_o it_o be_v a_o very_a hard_a thing_n by_o mr_n hobbs_n way_n of_o manage_v the_o controversy_n to_o prove_v that_o there_o can_v be_v no_o vacuum_n but_o as_o for_o the_o cartesian_n more_o subtle_a and_o plausible_a way_n of_o assert_v a_o plenum_fw-la it_o concern_v i_o not_o here_o to_o dispute_v against_o it_o or_o declare_v for_o it_o i_o will_v add_v this_o and_o but_o this_o on_o the_o occasion_n of_o mr._n hobbs_n building_n a_o great_a part_n of_o his_o philosophy_n upon_o no_o sure_a a_o ground_n that_o we_o may_v hence_o learn_v how_o little_a reason_n there_o be_v to_o blame_v i_o as_o he_o be_v please_v to_o do_v for_o make_v elaborate_a experiment_n and_o that_o though_o as_o i_o have_v elsewhere_o purposely_o and_o ample_o discourse_v obvious_a experiment_n be_v by_o no_o mean_n to_o be_v despise_v yet_o it_o be_v not_o safe_a in_o all_o case_n to_o content_a one_o self_n with_o such_o especial_o when_o there_o be_v reason_n to_o suspect_v that_o the_o phaenomenon_n they_o exhibit_v may_v proceed_v from_o more_o cause_n than_o one_o and_o to_o expect_v that_o a_o more_o artificial_a trial_n may_v determine_v which_o of_o they_o be_v the_o true_a three_o whereas_o mr._n hobbs_n be_v please_v to_o find_v much_o salt_n with_o the_o society_n and_o i_o for_o not_o assign_v the_o case_n of_o spring_n in_o general_a that_o omission_n seem_v to_o he_o very_o unworthy_a of_o philosopher_n i_o answer_v that_o the_o society_n have_v hitherto_o for_o weighty_a reason_n forbear_v to_o determine_v the_o particular_a cause_n of_o thing_n there_o be_v no_o reason_n they_o shall_v alter_v their_o method_n for_o experiment_n that_o be_v not_o make_v or_o publish_v by_o they_o or_o by_o their_o order_n and_o as_o for_o i_o the_o title_n of_o my_o book_n promise_v some_o experiment_n touch_v the_o spring_n of_o the_o air_n and_o its_o effect_n not_o speculation_n of_o the_o cause_n of_o spring_n in_o general_n my_o avow_v intention_n be_v candid_o to_o communicate_v with_o the_o curious_a some_o experiment_n which_o i_o think_v their_o novelty_n will_v render_v acceptable_a to_o they_o wherein_o i_o have_v the_o good_a luck_n not_o to_o have_v be_v mistake_v nor_o can_v i_o be_v just_o censure_v for_o not_o perform_v what_o i_o do_v not_o undertake_v nor_o be_v oblige_v to_o and_o perhaps_o mr._n hobbs_n will_v more_o prejudice_v the_o commonwealth_n of_o learning_n by_o his_o severity_n than_o he_o have_v yet_o advantage_v it_o by_o any_o other_o way_n if_o he_o can_v obtain_v that_o none_o shall_v publish_v a_o experiment_n or_o observation_n that_o can_v by_o deduction_n from_o the_o first_o and_o catholic_n principle_n of_o philosophy_n assign_v the_o true_a cause_n of_o it_o but_o when_o i_o take_v upon_o i_o to_o write_v as_o mr._n hobbs_n have_v do_v element_n of_o philosophy_n than_o perhaps_o i_o shall_v be_v able_a to_o give_v a_o account_n of_o spring_n not_o much_o more_o unsatisfactory_a than_o other_o think_v he_o for_o though_o he_o refer_v we_o to_o his_o explication_n give_v of_o the_o motion_n of_o restitution_n in_o his_o book_n de_fw-fr corpore_fw-la yet_o in_o the_o 22_o chapter_n and_o 30._o section_n which_o profess_o contain_v his_o theory_n of_o it_o after_o have_v premise_v what_o right_o interpret_v may_v be_v true_a enough_o that_o the_o cause_n of_o the_o restitution_n proceed_v not_o from_o the_o take_n away_o the_o force_n by_o which_o they_o be_v compress_v or_o extend_v the_o remove_v of_o impediment_n not_o have_v the_o efficacy_n of_o a_o cause_n that_o which_o follow_v to_o the_o end_n of_o the_o section_n be_v only_o this_o the_o cause_n therefore_o of_o their_o restitution_n be_v some_o motion_n either_o of_o the_o part_n of_o the_o ambient_fw-la or_o of_o the_o part_n of_o the_o body_n compress_v or_o extend_v but_o the_o part_n of_o the_o ambient_fw-la have_v no_o endeavour_v which_o contribute_v to_o their_o compression_n or_o extension_n nor_o to_o the_o set_v they_o at_o liberty_n or_o restitution_n it_o remain_v therefore_o that_o from_o the_o time_n of_o their_o compression_n or_o extension_n there_o be_v leave_v some_o endeavour_n or_o motion_n by_o which_o the_o impediment_n be_v remove_v every_o part_n resume_v its_o former_a place_n that_o be_v to_o say_v the_o whole_a restore_v itself_o now_o this_o notwithstanding_o i_o be_o so_o dull_a or_o so_o wary_a that_o though_o i_o have_v meet_v with_o this_o passage_n and_o all_o the_o praise_n the_o author_n in_o his_o dialogue_n give_v it_o yet_o i_o shall_v have_v make_v some_o scruple_n to_o undertake_v the_o assign_v the_o true_a cause_n of_o spring_n in_o general_n for_o first_o the_o learned_a gassendus_fw-la and_o the_o epicurean_o both_o ancient_n and_o modern_a together_o with_o divers_a other_o
have_v do_v well_o or_o no_o be_v not_o here_o to_o be_v examine_v that_o there_o be_v a_o subtle_a substance_n which_o he_o call_v aether_n but_o which_o i_o wish_v he_o have_v better_o explain_v in_o some_o place_n which_o i_o take_v not_o to_o be_v fill_v with_o air_n and_o that_o the_o aether_n have_v or_o have_v not_o some_o accident_n which_o i_o deny_v or_o ascribe_v to_o the_o air._n whereas_o i_o deny_v not_o but_o that_o the_o atmosphere_n or_o fluid_a body_n that_o surround_v the_o terraqueous_a globe_n may_v beside_o the_o grosser_n and_o more_o solid_a corpuscle_n wherewith_o it_o abound_v consist_v of_o a_o thin_a matter_n which_o for_o distinction_n sake_n i_o also_o now_o and_o then_o call_v ethereal_a and_o therefore_o though_o i_o do_v not_o think_v myself_o oblige_v to_o declare_v against_o either_o the_o atomical_a or_o the_o cartesian_a hypothest_n touch_v the_o nature_n of_o the_o air_n yet_o i_o propose_v the_o late_a too_o as_o probable_a which_o as_o it_o exclude_v a_o vacuum_n so_o it_o make_v the_o air_n consist_v in_o great_a part_n of_o a_o celestial_a matter_n and_o my_o incidental_a explication_n of_o the_o rarefaction_n and_o condensation_n of_o the_o air_n together_o with_o my_o compare_v it_o to_o a_o fleece_n of_o wool_n sufficient_o declare_v that_o i_o take_v it_o not_o to_o be_v a_o homogeneous_a body_n and_o though_o there_o be_v air_n intercept_v betwixt_o the_o hair_n of_o wool_n yet_o in_o case_n i_o shall_v prove_v that_o a_o box_n be_v not_o so_o full_a of_o wool_n as_o before_o because_o the_o most_o part_n of_o the_o hair_n have_v be_v take_v out_o i_o shall_v not_o think_v he_o argue_v well_o against_o i_o that_o shall_v only_o prove_v that_o the_o box_n contain_v as_o much_o of_o matter_n consist_v of_o air_n and_o wool_n together_o afterward_o as_o before_o nor_o do_v i_o think_v mr._n hobbs_n have_v in_o divers_a passage_n wherein_o he_o suppose_v he_o dispute_v against_o i_o much_o more_o direct_o contradict_v what_o i_o teach_v concern_v the_o air_n if_o that_o word_n be_v right_o and_o in_o my_o sense_n understand_v and_o on_o this_o occasion_n i_o must_v crave_v leave_n to_o add_v that_o whereas_o he_o be_v please_v to_o intimate_v that_o i_o misrepresent_v the_o cartestan_a hypothest_n ascribe_v that_o to_o the_o air_n which_o des_n cartes_n do_v to_o water_n if_o the_o reader_n think_v it_o worth_a while_n to_o compare_v the_o summary_n account_v i_o give_v of_o that_o hypothest_n with_o what_o des_n cartes_n himself_o have_v teach_v in_o his_o 45_o 46_o &_o 47._o article_n of_o the_o four_o part_n of_o his_o principle_n wherein_o that_o author_n comprise_v his_o doctrine_n of_o the_o nature_n of_o the_o air_n he_o will_v quick_o find_v that_o whether_o or_o on_o mr._n hobbs_n be_v mistake_v i_o be_o not_o unless_o it_o be_v in_o estimate_v his_o hypothest_n by_o what_o he_o teach_v in_o his_o principle_n which_o be_v publish_v after_o his_o meteor_n and_o more_o elaborate_o write_v and_o as_o for_o that_o particular_a which_o alone_a mr._n hobbs_n allege_v namely_o that_o he_o make_v not_o the_o part_n of_o air_n but_o of_o water_n so_o flexible_a des_fw-mi cartes's_fw-fr word_n in_o the_o 46._o article_n be_v these_o cum_fw-la ejus_fw-la particulae_fw-la ferè_fw-la omnes_fw-la sint_fw-la flexiles_fw-la in_o star_n mollium_fw-la plumularum_fw-la veltenuium_fw-la funiculorum_fw-la etc._n etc._n and_o as_o for_o what_o mr._n hobbs_n subjoin_v sed_fw-la quisquis_fw-la talis_fw-la supposition_n be_v author_n fuit_fw-la parum_fw-la refert_fw-la nam_fw-la ipsa_fw-la hypothesis_n in_o qua_fw-la motus_fw-la supponitur_fw-la materiae_fw-la subtilis_fw-la sine_fw-la causa_fw-la velocissimus_fw-la &_o praeterea_fw-la corpusculorum_fw-la innumer_n abiles_fw-la vertigines_fw-la diversae_fw-la ab_fw-la illius_fw-la materiae_fw-la unico_fw-la motu_fw-la generatae_fw-la vix_fw-la sani_fw-la hominis_fw-la est_fw-la i_o can_v but_o in_o gratitude_n to_o such_o a_o personage_n declare_v my_o dislike_n to_o find_v he_o upon_o so_o slight_a a_o occasion_n so_o coarse_o use_v for_o a_o opinion_n the_o censurer_n of_o it_o do_v no_o better_o confute_v and_o which_o be_v think_v to_o be_v in_o some_o particular_n not_o so_o unlike_o his_o own_o and_o perhaps_o i_o shall_v be_v afeared_a that_o mr._n hobbs_n speak_v so_o severe_o of_o one_o that_o be_v at_o least_o a_o famous_a geometrician_n may_v reflect_v upon_o the_o english_a civility_n in_o the_o opinion_n of_o stranger_n if_o i_o do_v not_o hope_v that_o those_o who_o have_v read_v doctor_n ward_n be_v exercitation_n will_v look_v upon_o this_o censure_n of_o the_o cartesian_a doctrine_n by_o mr._n hobbs_n as_o provoke_v by_o that_o severe_a judgement_n of_o des_n cartes_n mention_v by_o the_o doctor_n in_o these_o word_n nempe_fw-la hoc_fw-la est_fw-la quod_fw-la alicubi_fw-la admiratus_fw-la est_fw-la 188._o magnus_fw-la cartesius_n nusquam_fw-la eum_fw-la sive_fw-la verum_fw-la sive_fw-la falsum_fw-la posuerit_fw-la rectè_fw-la aliquid_fw-la ex_fw-la suppositionibus_fw-la ratiocinando_fw-la infer_v chap._n iii_o wherein_o the_o weight_n and_o spring_n of_o the_o air_n be_v assert_v against_o mr._n hobbs_n have_v thus_o dispatch_v those_o general_a consideration_n i_o think_v expedient_a to_o premise_v my_o propose_a method_n lead_v i_o in_o the_o next_o place_n to_o consider_v that_o mr._n hobbs_n do_v not_o that_o i_o remember_v deny_v the_o truth_n of_o any_o of_o the_o matter_n of_o fact_n i_o have_v deliver_v nor_o do_v he_o if_o my_o memory_n fail_v i_o not_o labour_v to_o prove_v that_o the_o explication_n i_o have_v give_v of_o my_o experiment_n be_v not_o agreeable_a to_o the_o doctrine_n i_o propose_v but_o rather_o think_v fit_a to_o reject_v our_o two_o grand_a hypothesis_n themselves_o the_o weight_n and_o the_o spring_n of_o the_o air._n and_o therefore_o it_o will_v suffice_v we_o in_o this_o chapter_n brief_o but_o not_o slight_o to_o prove_v what_o he_o be_v 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10_o quoth_v sane_a say_v the_o learned_a publisher_n though_o a_o peripatetic_a luculentissimum_fw-la est_fw-la argumentum_fw-la gravitatis_fw-la aëris_fw-la four_o in_o our_o 36._o experiment_n we_o relate_v our_o have_v weigh_v the_o air_n and_o that_o shut_v up_o in_o body_n in_o our_o exhaust_a receiver_n wherein_o of_o two_o body_n of_o differ_v nature_n the_o one_o a_o blow_a bladder_n and_o the_o other_o a_o glass_n bubble_n that_o be_v aequiponderant_a each_o to_o a_o more_o solid_a weight_n before_o the_o air_n be_v pump_v out_o that_o which_o include_v a_o good_a quantity_n of_o air_n do_v manifest_o preponderate_a after_o the_o exhaustion_n and_o to_o these_o four_o we_o may_v add_v other_o proof_n to_o the_o same_o purpose_n but_o that_o these_o contain_v in_o they_o such_o a_o variety_n of_o case_n that_o i_o think_v it_o will_v be_v superfluous_a but_o now_o let_v we_o see_v what_o mr._n hobbs_n object_n against_o the_o newly-mentioned_a experiment_n of_o the_o bladder_n weigh_v in_o the_o exhaust_a receiver_n
for_o the_o other_o he_o quarrel_v not_o with_o quod_fw-la quidem_fw-la lanx_fw-la say_v he_o in_o qua_fw-la est_fw-la vesica_fw-la magis_fw-la deprimitur_fw-la 15._o quam_fw-la altera_fw-la certi_fw-la esse_fw-la possunt_fw-la oculis_fw-la testibus_fw-la quod_fw-la autem_fw-la id_fw-la à _fw-la gravitate_fw-la aëris_fw-la naturali_fw-la accidit_fw-la certi_fw-la esse_fw-la non_fw-la possunt_fw-la praesertim_fw-la si_fw-la quae_fw-la sit_fw-la gravitatis_fw-la causa_fw-la efficiens_fw-la nesciunt_fw-la but_o i_o know_v not_o who_o mr._n hobbs_n will_v persuade_v that_o a_o man_n can_v be_v sure_o that_o lead_n be_v in_o specie_fw-la heavy_a than_o cork_n unless_o he_o know_v what_o be_v the_o efficient_a cause_n of_o gravity_n and_o mr._n hobbs_n speak_v in_o his_o 30._o chapter_n where_o he_o express_o treat_v of_o that_o subject_a as_o if_o that_o have_v not_o be_v explain_v by_o any_o man_n and_o consequent_o not_o by_o any_o writer_n of_o staticks_n and_o perhaps_o i_o be_o therein_o somewhat_o of_o his_o mind_n and_o yet_o sure_a all_o these_o writer_n treat_v of_o the_o proportion_n of_o heavy_a body_n do_v not_o write_v they_o know_v not_o what_o and_o though_o he_o mention_n his_o own_o hypothesis_n as_o that_o than_o which_o nothing_o be_v more_o likely_a yet_o i_o think_v i_o can_v frame_v objection_n against_o it_o that_o will_v not_o easy_o be_v answer_v if_o my_o present_a task_n require_v it_o or_o if_o i_o find_v his_o opinion_n in_o this_o point_n embrace_v as_o yet_o by_o man_n of_o note_n wherefore_o i_o shall_v now_o say_v no_o more_o of_o it_o than_o he_o himself_o do_v namely_o that_o according_a to_o his_o doctrine_n it_o may_v well_o be_v think_v to_o determine_v for_o it_o be_v a_o certain_a consequent_a that_o heavy_a body_n descend_v with_o less_o and_o less_o velocity_n as_o they_o be_v 4._o more_o and_o more_o remote_a from_o the_o aequator_fw-la and_o that_o at_o the_o pole_n themselves_o they_o will_v either_o not_o descend_v at_o all_o or_o not_o descend_v by_o the_o axis_n which_o whether_o it_o be_v true_a or_o false_a experience_n must_v determine_v which_o till_o it_o have_v do_v in_o his_o favour_n a_o event_n i_o do_v not_o expect_v i_o hope_v he_o will_v allow_v i_o to_o distrust_v his_o hypothesis_n but_o to_o return_v to_o our_o experiment_n the_o account_n he_o give_v why_o the_o bladder_n do_v propend_v for_o so_o he_o love_v to_o speak_v be_v this_o quod_fw-la vesica_fw-la sive_fw-la follibus_fw-la sive_fw-la flatu_fw-la oris_fw-la 16._o distenta_fw-la sit_fw-la gravior_n sit_fw-la quam_fw-la eadem_fw-la vesica_fw-la non_fw-la distenta_fw-la negarenolo_fw-it propter_fw-la majorem_fw-la quantitatem_fw-la atomorum_fw-la follibus_fw-la vel_fw-la corpusculorum_fw-la fuligineorum_fw-la ab_fw-la halitu_fw-la inflatorum_fw-la ab_fw-la experimento_fw-la autem_fw-la quod_fw-la fit_a à _fw-la vesica_fw-la inflata_fw-la nihil_fw-la colligunt_fw-la quod_fw-la sit_fw-la satis_fw-la certum_fw-la 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he_o suppose_n the_o experiment_n to_o be_v make_v heavy_a than_o the_o outward_a air._n wherefore_o when_o he_o subjoin_v that_o from_o this_o experiment_n we_o collect_v nothing_o quoth_v sit_v satis_fw-la certum_fw-la the_o affirmation_n be_v not_o a_o inference_n but_o precarious_a and_o as_o for_o the_o annex_v way_n whereby_o he_o will_v wish_v to_o have_v a_o experiment_n make_v fit_a to_o infer_v the_o gravity_n of_o the_o air_n if_o he_o have_v not_o overlooked_a what_o i_o have_v deliver_v in_o the_o begin_n of_o the_o 36._o experiment_n he_o will_v easy_o have_v perceive_v that_o we_o do_v make_v a_o trial_n much_o of_o the_o same_o nature_n with_o that_o he_o desire_v for_o we_o weigh_v in_o our_o receiver_n the_o air_n in_o a_o glass_n hermetical_o seal_v wherein_o it_o be_v not_o to_o use_v his_o expression_n inflate_v but_o only_o include_v this_o be_v what_o he_o here_o object_n against_o the_o gravity_n of_o the_o air_n in_o the_o other_o place_n pag._n 8._o &_o 9_o 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though_o these_o alone_o prove_v that_o the_o air_n be_v a_o manifest_a weight_n even_o when_o it_o be_v not_o compress_v but_o retain_v its_o laxity_n have_v say_v thus_o much_o to_o evince_v against_o mr._n hobbs_n the_o gravity_n of_o the_o air_n let_v we_o now_o examine_v whether_o it_o have_v not_o also_o a_o spring_n in_o the_o sense_n we_o take_v that_o word_n in_o this_o though_o mr._n hobbs_n be_v please_v 21._o to_o call_v as_o he_o also_o do_v the_o weight_n of_o the_o air_n a_o dream_n yet_o he_o do_v himself_o grant_v in_o effect_n as_o much_o as_o be_v requisite_a to_o prove_v the_o spring_n of_o the_o air_n in_o the_o sense_n i_o contend_v for_o it_o for_o take_v upon_o he_o to_o give_v account_n how_o good_a a_o one_o we_o shall_v see_v anon_o of_o that_o know_a experiment_n wherein_o the_o air_n be_v compress_v in_o a_o glass_n bottle_n by_o the_o forcible_a injection_n of_o water_n which_o water_n when_o the_o glass_n be_v unstope_v the_o air_n do_v again_o throw_v out_o in_o recover_v its_o former_a dimension_n of_o this_o experiment_n i_o say_v he_o give_v this_o account_n pag._n 24._o aër_fw-la quo_fw-la ab_fw-la initio_fw-la sphaera_fw-la plenus_fw-la erat_fw-la à _fw-la corpusculis_fw-la illis_fw-la terreis_fw-la motus_fw-la motu_fw-la circulari_fw-la simplice_fw-la vi_fw-la injectionis_fw-la coactus_fw-la qui_fw-la quidem_fw-la purus_fw-la est_fw-la exit_fw-la aquam_fw-la injectam_fw-la penetrans_fw-la in_fw-la aërem_fw-la extrinsecum_fw-la locum_fw-la relinquens_fw-la aquae_fw-la sequitur_fw-la ergo_fw-la corpusculis_fw-la illis_fw-la terreis_fw-la minus_fw-la relinqui_fw-la loci_fw-la in_o quo_fw-la motum_fw-la suum_fw-la naturalen_v exercere_fw-la possint_fw-la itaque_fw-la in_o se_fw-la mutuo_fw-la impingentes_fw-la aquam_fw-la urgent_a ad_fw-la egressum_fw-la egredientem_fw-la aër_fw-la externus_fw-la quia_fw-la universum_fw-la supponitur_fw-la esse_fw-la plenum_fw-la penetrate_v locumque_fw-la egredientis_fw-la aëris_fw-la 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according_a to_o mr._n hobbs_n the_o bladder_n be_v pervious_a to_o the_o air_n and_o the_o air_n within_o the_o receiver_n be_v universal_o compress_v as_o well_o that_o which_o be_v within_o the_o bladder_n as_o that_o which_o be_v without_o it_o how_o come_v it_o to_o pass_v that_o the_o air_n that_o bear_v against_o the_o convex_a surface_n of_o the_o bladder_n do_v not_o resist_v that_o which_o be_v contiguous_a to_o the_o concave_a superficies_n of_o the_o same_o and_o at_o least_o how_o come_v the_o bladder_n to_o be_v break_v by_o the_o air_n which_o according_a to_o mr._n hobbs_n can_v get_v in_o and_o out_o at_o pleasure_n and_o last_o to_o show_v that_o to_o the_o swell_a of_o the_o bladder_n there_o need_v nothing_o but_o the_o spring_n of_o the_o include_v air_n and_o not_o such_o vehement_a agitation_n of_o the_o ambient_fw-la air_n as_o mr._n hobbs_n suppose_v to_o be_v make_v in_o our_o engine_n it_o appear_v by_o the_o elsewhere-mentioned_a experiment_n of_o monsieur_n 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than_o once_o when_o instead_o of_o that_o piece_n of_o brass_n we_o stop_v the_o hole_n in_o the_o cover_n with_o our_o cement_n one_o may_v observe_v sometime_o whilst_o we_o be_v pump_v sometime_o after_o we_o have_v do_v pump_v that_o the_o outward_a air_n by_o degree_n depress_v the_o superficies_n of_o the_o cement_n expose_v to_o it_o and_o make_v it_o concave_n and_o now_o and_o then_o will_v break_v through_o it_o thrust_v it_o inward_a with_o great_a violence_n and_o noise_n in_o the_o same_o page_n our_o author_n rectify_v after_o his_o way_n another_o of_o our_o explication_n in_o these_o word_n vidimus_fw-la item_n aquam_fw-la demissam_fw-la in_o recipiens_fw-la post_fw-la suctoris_fw-la aliquot_fw-la 13._o reciprocationes_fw-la ita_fw-la bullire_fw-la ac_fw-la sy_n supposito_fw-la igne_fw-la fervesceret_fw-la a._n id_fw-la quoque_fw-la accidit_fw-la propter_fw-la velocitatem_fw-la aëris_fw-la ut_fw-la dictum_fw-la est_fw-la in_fw-la recipiente_fw-la circumeuntis_fw-la 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i_o somewhat_o wonder_v what_o make_v mr._n hobbs_n speak_v as_o if_o there_o be_v no_o sensible_a heat_n of_o the_o water_n under_o consideration_n since_o it_o be_v express_o say_v that_o it_o be_v put_v in_o hot_a and_o if_o it_o be_v put_v in_o cold_a can_v by_o no_o pump_v be_v bring_v to_o the_o least_o show_n of_o effervescence_n and_o as_o for_o his_o explication_n of_o the_o phaenomenon_n the_o experimentarian_a philosopher_n need_v not_o the_o objection_n late_o make_v against_o it_o for_o i_o have_v already_o evince_v by_o experiment_n that_o there_o be_v in_o our_o exhaust_a receiver_n no_o such_o peculiar_a motion_n of_o the_o air_n as_o he_o ascribe_v the_o phaenomenon_n to_o nay_o when_o there_o be_v manifest_o a_o whirl_n about_o the_o air_n in_o the_o glass_n upon_o the_o admission_n of_o the_o external_a air_n the_o production_n of_o numerous_a bubble_n in_o the_o water_n present_o cease_v and_o therefore_o i_o see_v not_o why_o mr._n hobbs_n may_v not_o have_v let_v alone_o my_o conjecture_n for_o i_o propose_v it_o and_o look_v upon_o it_o as_o no_o more_o unless_o he_o can_v either_o have_v disprove_v it_o better_o or_o substitute_v a_o more_o probable_a one_o than_o he_o have_v in_o its_o place_n as_o for_o what_o headds_a in_o these_o word_n ab_fw-la hoc_fw-la experimenta_fw-la manifestum_fw-la est_fw-la quod_fw-la recipiens_fw-la per_fw-la exuctionem_fw-la hanc_fw-la quam_fw-la vocatis_fw-la aeris_fw-la non_fw-la sit_fw-la vacuum_fw-la nam_fw-la moveri_fw-la 3._o aqua_fw-la non_fw-la potuit_fw-la nisi_fw-la à _fw-la movente_fw-la aliquo_fw-la moto_fw-mi &_o contiguo_fw-la itaque_fw-la phaenomenum_fw-la hoc_fw-la demonstrationem_fw-la suppositionis_fw-la meae_fw-la continere_fw-la videtur_fw-la non_fw-la infirmam_fw-la i_o be_o not_o oblige_v to_o answer_v it_o but_o leave_v that_o to_o those_o that_o be_v profess_v vacuist_n against_o who_o i_o must_v doubt_v whether_o his_o ratiocination_n will_v conclude_v though_o the_o consequence_n be_v 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ab_fw-la objecto_fw-la ad_fw-la oculum_fw-la intercipietur_fw-la b._n ita_fw-la videtur_fw-la nec_fw-la habeo_fw-la quod_fw-la respondeam_fw-la the_o vacuist_n will_v perhaps_o answer_v he_o as_o i_o answer_v franciseus_n linus_n to_o a_o almost_o like_a objection_n and_o those_o of_o they_o which_o make_v far_o the_o great_a number_n who_o
plead_v but_o for_o a_o interspersed_a vacuum_n will_v perhaps_o tell_v he_o that_o they_o take_v vision_n to_o be_v make_v not_o by_o such_o a_o propagation_n of_o impulse_n as_o he_o do_v but_o by_o a_o trajection_n of_o effluvia_fw-la that_o issue_v out_o of_o the_o sun_n and_o traverse_v the_o diaphanous_a body_n interpose_v rebound_n from_o the_o object_n to_o the_o eye_n and_o according_a to_o this_o doctrine_n they_o may_v ask_v mr._n hobbs_n why_o a_o motion_n may_v not_o be_v make_v through_o a_o vacuum_n or_o non_fw-la corpus_fw-la nay_o how_o it_o can_v natural_o be_v stop_v in_o vacuo_fw-la where_o there_o be_v nothing_o to_o resist_v it_o but_o controversy_n of_o this_o nature_n it_o lie_v not_o upon_o i_o to_o prosecute_v in_o the_o 14._o page_n mr._n hobbs_n have_v recite_v that_o experiment_n of_o we_o of_o kill_a animal_n include_v in_o our_o receiver_n by_o the_o exhaustion_n of_o the_o air_n in_o two_o or_o three_o minute_n of_o a_o hour_n subjoin_v these_o word_n credin'tu_fw-la animalia_fw-la istatam_fw-la cito_fw-la interempta_fw-la esse_fw-la eo_fw-la quod_fw-la carerent_fw-la aëre_fw-la quomodo_fw-la 14._o ergo_fw-la sub_fw-la aquam_fw-la vivunt_fw-la urinatores_fw-la quorum_fw-la aliqui_fw-la assueti_fw-la à _fw-la pueritiâ_fw-la caruere_fw-la aëre_fw-la per_fw-la horam_fw-la integram_fw-la inclusa_fw-la in_o recipiente_fw-la animalia_fw-la occidit_fw-la motus_fw-la ille_fw-la idem_fw-la vehementissimus_fw-la quo_fw-la distenduntur_fw-la rumpunturque_fw-la inclusae_fw-la vesicae_fw-la but_o though_o he_o say_v no_o more_o in_o this_o place_n concern_v this_o matter_n yet_o it_o seem_v he_o either_o much_o like_v his_o own_o conjecture_n or_o great_o dislike_v i_o since_o in_o his_o epistle_n dedicatory_a to_o the_o learned_a sorberius_fw-la he_o single_v out_o this_o sole_a phaenomenon_n to_o explicate_v ego_fw-la contra_fw-la say_v he_o there_o neque_fw-la aërem_fw-la exugi_fw-la posse_fw-la neque_fw-la inclusum_fw-la animal_n etsi_fw-la exuctus_fw-la esset_fw-la tam_fw-la cito_fw-la moriturum_fw-la esse_fw-la existimo_fw-la actio_fw-la quidem_fw-la quam_fw-la mors_fw-la illa_fw-la sequitur_fw-la videri_fw-la potest_fw-la vel_fw-la suctio_fw-la quaedam_fw-la &_o propterea_fw-la exuctione_fw-la conclusi_fw-la aëris_fw-la interfici_fw-la animal_n respiratione_n sublatâ_fw-la vel_fw-la etim_fw-la compulsio_fw-la aëris_fw-la ab_fw-la omni_fw-la parte_fw-la versus_fw-la caentrum_fw-la sphaerae_fw-la cui_fw-la animal_n includitur_fw-la &_o sic_fw-la videri_fw-la potest_fw-la mori_fw-la à _fw-la tenacitate_fw-la compressi_fw-la aëris_fw-la quast_o aqua_fw-la suffocatum_fw-la nimirum_fw-la haustum_fw-la in_o intima_fw-la pulmonum_fw-la aërem_fw-la solito_fw-la tenaciorem_fw-la inter_fw-la arteriam_fw-la &_o venam_fw-la pulmonis_fw-la cursum_fw-la sanguinis_fw-la intercipiendo_fw-la sistere_fw-la but_o as_o i_o propose_v my_o conjecture_n doubt_o and_o profess_v myself_o to_o be_v in_o a_o further_a enquiry_n about_o the_o use_n of_o the_o air_n and_o of_o respiration_n so_o i_o must_v still_o think_v that_o we_o want_v some_o further_a or_o clear_a discovery_n about_o that_o matter_n notwithstanding_o what_o have_v be_v deliver_v concern_v it_o by_o mr._n hobbs_n for_o his_o argument_n against_o my_o conjecture_n be_v in_o the_o passage_n that_o propose_v it_o answer_v by_o himself_o for_o he_o plain_o intimate_v that_o divers_a who_o can_v live_v without_o air_n which_o yet_o i_o may_v question_v if_o he_o mean_v without_o any_o air_n at_o all_o for_o a_o whole_a hour_n be_v accustom_v to_o it_o from_o their_o childhood_n wherefore_o unless_o the_o animal_n that_o die_v in_o my_o engine_n have_v be_v for_o a_o long_a time_n frame_v by_o degree_n to_o live_v without_o air_n it_o will_v not_o follow_v that_o the_o want_n of_o it_o can_v not_o dispatch_v they_o in_o a_o short_a time_n as_o ordinary_a man_n may_v be_v drown_v in_o a_o few_o minute_n and_o have_v purposely_o let_v down_o some_o mouse_n and_o small_a bird_n into_o a_o deep_a glass_n fill_v with_o water_n and_o keep_v they_o from_o emerge_v by_o a_o weight_n tie_v to_o their_o leg_n or_o tail_n though_o some_o live_v long_a than_o other_o yet_o i_o observe_v they_o to_o be_v kill_v fast_o enough_o to_o keep_v my_o conjecture_n from_o be_v incredible_a especial_o the_o last_o we_o make_v trial_n of_o though_o a_o large_a and_o lusty_a mouse_n appear_v to_o be_v quite_o dead_a within_o somewhat_o less_o than_o one_o minute_n measure_v by_o the_o vibration_n of_o a_o pendulum_n and_o we_o particular_o take_v notice_n that_o before_o drown_v divers_a bubble_n which_o seem_v to_o be_v the_o respired_a air_n come_v out_o of_o their_o mouth_n and_o ascend_v through_o the_o water_n and_o as_o for_o the_o explication_n that_o mr._n hobbs_n will_v recommend_v instead_o of_o i_o not_o to_o urge_v that_o i_o can_v wish_v he_o have_v be_v please_v to_o show_v we_o how_o the_o tenacious_a air_n he_o imagine_v to_o be_v inspire_v come_v to_o produce_v those_o strange_a convulsion_n and_o other_o symptom_n mention_v in_o my_o epistle_n not_o to_o urge_v this_o i_o say_v we_o have_v already_o disprove_v the_o supposition_n his_o opinion_n be_v build_v on_o namely_o that_o there_o be_v in_o the_o exhaust_a receiver_n such_o a_o motus_fw-la vehementissimus_fw-la as_o he_o pretend_v beside_o that_o he_o show_v not_o how_o this_o motion_n come_v to_o kill_v the_o include_v animal_n which_o i_o be_v wont_a to_o keep_v not_o near_o the_o centre_n of_o the_o receiver_n where_o he_o seem_v to_o think_v this_o motion_n most_o operative_a but_o near_o the_o bottom_n of_o it_o that_o the_o include_v animal_n may_v have_v something_o firm_a under_o his_o foot_n nor_o do_v it_o at_o all_o clear_a the_o difficulty_n that_o he_o will_v have_v this_o motion_n the_o same_o whereby_o include_v bladder_n be_v distend_v and_o break_v for_o beside_o that_o it_o be_v very_o hard_a to_o conceive_v how_o the_o tenacity_n of_o the_o air_n or_o its_o beat_n from_o all_o part_n upon_o the_o convex_a surface_n of_o a_o almost_o quite_o empty_a bladder_n for_o in_o such_o also_o the_o experiment_n he_o refer_v to_o will_v succeed_v shall_v make_v it_o burst_v outward_o beside_o this_o i_o say_v we_o have_v already_o prove_v that_o the_o distension_n and_o break_n of_o bladder_n in_o our_o receiver_n proceed_v not_o from_o any_o such_o motion_n of_o the_o neighbour_a air_n as_o be_v here_o presume_v but_o from_o a_o quite_o differ_v if_o not_o from_o a_o contrary_a cause_n in_o the_o same_o page_n our_o author_n make_v a_o digression_n from_o the_o engine_n and_o discourse_n of_o another_o experiment_n which_o i_o have_v long_o since_o often_o make_v but_o though_o his_o explication_n be_v liable_a enough_o to_o just_a exception_n as_o i_o can_v make_v good_a if_o it_o be_v require_v yet_o because_o the_o experiment_n be_v none_o of_o those_o i_o deliver_v i_o shall_v leave_v it_o to_o be_v examine_v by_o other_o and_o for_o the_o same_o reason_n i_o forbear_v to_o meddle_v with_o that_o he_o have_v in_o the_o next_o page_n concern_v the_o wind-gun_n as_o to_o what_o he_o have_v in_o the_o same_o 16._o page_n in_o these_o word_n placet_fw-la mihi_fw-la tua_fw-la magis_fw-la hypothesis_n quam_fw-la illa_fw-la de_fw-la vi_fw-la aëris_fw-la elastica_fw-la nam_fw-la 16._o video_fw-la quod_fw-la à _fw-la veritate_fw-la illius_fw-la veritas_fw-la dependet_fw-la vel_fw-la vacui_fw-la vel_fw-la pleni_fw-la sed_fw-la à _fw-la veritate_fw-la huius_fw-la nihil_fw-la sequitur_fw-la in_o neutram_fw-la partem_fw-la quaestionis_fw-la aëris_fw-la inquit_fw-la structura_fw-la similis_fw-la est_fw-la compressae_fw-la lanae_fw-la bene_fw-la est_fw-la lana_n fit_a ex_fw-la filis_fw-la recte_fw-la sed_fw-la cujus_fw-la figurae_fw-la si_fw-mi parallelopipedi_n nulla_fw-la potestesse_n compressio_fw-la partium_fw-la si_fw-la non_fw-la parallelopipedi_n erunt_fw-la inter_fw-la fila_fw-la illa_fw-la spatia_fw-la quaedam_fw-la relicta_fw-la quae_fw-la si_fw-la vacua_fw-la sunt_fw-la supponunt_fw-la vacuum_n ad_fw-la probandum_fw-la quod_fw-la vacuum_n est_fw-la possibile_fw-la si_fw-la plena_fw-la plenum_fw-la dicunt_fw-la quod_fw-la vacuum_fw-la putant_fw-la to_o this_o passage_n i_o say_v i_o can_v but_o represent_v that_o the_o question_n be_v not_o whether_o from_o the_o hypothesis_n that_o ascribe_v a_o spring_n to_o the_o air_n depend_v the_o proof_n of_o a_o vacuum_n or_o a_o plenum_fw-la but_o whether_o the_o hypothesis_n itself_o be_v true_a or_o no._n for_o sure_a there_o be_v many_o thing_n certain_a in_o natural_a philosophy_n from_o who_o truth_n that_o of_o a_o plenum_fw-la or_o a_o vacuum_n can_v be_v deduce_v and_o to_o what_o he_o add_v concern_v the_o structure_n of_o the_o aërial_a particle_n the_o vacuist_n may_v tell_v he_o that_o they_o make_v no_o such_o argument_n as_o he_o be_v please_v to_o make_v for_o they_o and_o do_v not_o common_o employ_v the_o figure_n of_o the_o aërial_a particle_n to_o prove_v a_o vacuum_n but_o other_o argument_n such_o as_o mr._n hobbs_n have_v not_o yet_o well_o answer_v and_o have_v by_o they_o as_o they_o judge_v prove_v intersperse_v vacuity_n they_o may_v without_o inconvenience_n suppose_v in_o a_o aërial_a corpuscle_n little_a empty_a pore_n upon_o who_o account_n it_o may_v be_v
capable_a of_o compression_n in_o case_n they_o shall_v think_v fit_a which_o i_o know_v not_o that_o any_o of_o they_o do_v to_o assign_v it_o the_o figure_n of_o a_o parallelopipedon_n but_o this_o controversy_n the_o vacuist_n may_v if_o they_o please_v prosecute_v in_o the_o same_o page_n mr._n hobbs_n begin_v and_o in_o the_o next_o he_o continue_v a_o long_a discourse_n concern_v the_o go_v out_o of_o fire_n in_o our_o receiver_n upon_o the_o exhaustion_n of_o the_o air_n the_o passage_n be_v too_o prolix_a and_o do_v too_o little_o concern_v the_o spring_n of_o the_o air_n to_o be_v here_o total_o transcribe_v or_o examine_v period_n by_o period_n in_o sum_n he_o endeavour_v to_o do_v two_o thing_n the_o one_o be_v to_o reduce_v what_o happen_v to_o kindle_a coal_n place_v in_o our_o engine_n to_o what_o happen_v in_o certain_a mine_n wherein_o when_o some_o thick_a damp_n ascend_v both_o charcoal_n and_o candle_n be_v soon_o extinguish_v thereby_o the_o other_o be_v to_o show_v 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quo_fw-la anima_fw-la à _fw-la corpore_fw-la separatur_fw-la difficile_fw-la est_fw-la statuere_fw-la pergo_fw-la igitur_fw-la ad_fw-la experimenta_fw-la alia_fw-la i_o confess_v i_o see_v not_o why_o that_o needless_a question_n may_v not_o have_v be_v well_o spare_v if_o he_o design_v to_o give_v it_o no_o better_a answer_n chap._n vi_o wherein_o other_o passage_n of_o mr._n hobbs_n dialogue_n that_o concern_v the_o author_n be_v examine_v what_o our_o author_n have_v in_o the_o 19_o page_n concern_v a_o bladder_n have_v be_v already_o examine_v wherefore_o i_o proceed_v to_o the_o next_o passage_n in_o the_o same_o page_n which_o be_v this_o b._n simo_n acus_fw-la magnete_fw-la excitus_fw-la libere_fw-la pendeat_fw-la intra_fw-la recipiens_fw-la sequetur_fw-la tamen_fw-la ille_fw-la motum_fw-la ferri_fw-la quod_fw-la circumducitur_fw-la extra_fw-la recipiens_fw-la item_n object_n a_o intus_fw-la posita_fw-la ab_fw-la iis_fw-la qui_fw-la extra_fw-la sunt_fw-la videbuntur_fw-la &_o 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by_o those_o censure_n of_o some_o passage_n of_o it_o that_o i_o shall_v hereafter_o examine_v his_o whole_a discourse_n concern_v my_o conjecture_n and_o his_o scheme_n will_v be_v too_o prolix_a to_o be_v entire_o insert_v but_o the_o thing_n his_o discourse_n drive_v at_o be_v to_o show_v that_o neither_o the_o spring_n nor_o weight_n of_o the_o air_n have_v any_o thing_n to_o do_v with_o this_o phaenomenon_n and_o therefore_o when_o he_o have_v make_v his_o academian_n relate_v that_o two_o coherent_a marble_n suspend_v in_o our_o receiver_n do_v not_o fall_v asunder_o upon_o the_o exhaustion_n of_o it_o he_o subjoin_v that_o it_o be_v quia_fw-la nihil_fw-la istic_fw-la erat_fw-la quod_fw-la ageret_fw-la atmosphaerae_fw-la pondus_fw-la and_o annex_n experimento_fw-la hoc_fw-la excogitari_fw-la contra_fw-la opinionem_fw-la eorum_fw-la qui_fw-la vacuum_n asserunt_fw-la aliud_fw-la argumentum_fw-la 10._o fortius_fw-la aut_fw-la evidentius_fw-la non_fw-la potuit_fw-la nam_fw-la si_fw-la duorum_fw-la cohaerentium_fw-la alterutrum_fw-la secundum_fw-la eam_fw-la viam_fw-la in_o qua_fw-la jacent_fw-la ipsae_fw-la contiguae_fw-la superficies_n propulsum_fw-la esset_fw-la facile_fw-la separarentur_fw-la aëre_fw-la proximo_fw-la in_o locum_fw-la relictum_fw-la successiuè_fw-la semper_fw-la influente_fw-la sed_fw-la illa_fw-la ita_fw-la divellere_fw-la ut_fw-la simul_fw-la totum_fw-la amitterent_fw-la contactum_fw-la impossibile_fw-it est_fw-la mundo_fw-la pleno_fw-la oporteret_fw-la enim_fw-la aut_fw-la motum_fw-la fieri_fw-la ab_fw-la uno_fw-la termino_fw-la ad_fw-la alium_fw-la in_fw-la instant_n aut_fw-la duo_fw-la corpora_fw-la eodem_fw-la tempore_fw-la in_o eodem_fw-la esse_fw-la loco_fw-la quorum_fw-la utrumvis_fw-la dicere_fw-la est_fw-la absurdum_fw-la but_o how_o this_o shall_v be_v so_o cogent_a and_o manifest_a a_o argument_n against_o the_o vacuist_n i_o confess_v i_o do_v not_o well_o discern_v for_o that_o which_o it_o prove_v if_o it_o prove_v any_o thing_n seem_v to_o be_v that_o in_o case_n the_o cohere_a marble_n can_v be_v so_o sever_v as_o to_o lose_v at_o once_o their_o whole_a contact_n the_o world_n may_v be_v conclude_v not_o to_o be_v full_a but_o i_o see_v not_o how_o it_o thence_o follow_v that_o therefore_o there_o can_v be_v no_o vacuum_n for_o my_o part_n i_o will_v demand_v whether_o the_o so_o strong_a cohesion_n of_o the_o marble_n be_v necessary_a or_o not_o to_o the_o plenitude_n of_o the_o world_n if_o it_o be_v how_o chance_v a_o sufficient_a weight_n hang_v to_o the_o low_a marble_n can_v immediatley_o draw_v they_o asunder_o and_o if_o it_o be_v not_o why_o do_v not_o mr._n hobbs_n assign_v some_o other_o cause_n of_o their_o so_o strong_a adhesion_n if_o it_o depend_v neither_o upon_o the_o spring_n nor_o weight_n of_o the_o air_n as_o for_o the_o non-separation_n of_o the_o two_o marble_n in_o our_o receiver_n i_o have_v say_v in_o the_o same_o 31._o experiment_n that_o the_o cause_n may_v probable_o be_v the_o pressure_n of_o the_o air_n remain_v in_o the_o receiver_n not_o sufficient_o exhaust_v and_o this_o conjecture_n i_o have_v more_o full_o defend_v in_o what_o i_o have_v write_v about_o it_o against_o franciscus_n linus_n where_o i_o show_v that_o it_o be_v no_o way_n unlikely_a the_o remain_a air_n shall_v be_v able_a to_o sustain_v a_o weight_n of_o four_o or_o five_o ounce_n hang_v at_o the_o low_a marble_n since_o the_o free_a air_n be_v able_a to_o support_v between_o 400._o and_o 500_o ounce_n hang_v at_o the_o same_o but_o mr._n hobbs_n tell_v we_o that_o the_o cause_n i_o assign_v of_o the_o cohesion_n of_o our_o marble_n be_v liable_a to_o huge_a inconvenience_n of_o the_o greatness_n of_o which_o we_o may_v judge_v by_o the_o first_o of_o they_o confitentur_fw-la say_v he_o tum_fw-la ipsi_fw-la tum_fw-la alii_fw-la omnes_fw-la ponderationem_fw-la omnem_fw-la conatum_fw-la esse_fw-la per_fw-la lineas_fw-la rectas_fw-la undiquaque_fw-la ad_fw-la 20._o centrum_fw-la terrae_fw-la &_o proinde_fw-la non_fw-la cylindrum_fw-la vel_fw-la columnam_fw-la fieri_fw-la sed_fw-la per_fw-la pyramidem_fw-la cujus_fw-la vertex_fw-la est_fw-la centrum_fw-la terrae_fw-la basis_n pars_fw-la superficiei_fw-la atmosphaerae_fw-la as_o if_o it_o be_v much_o material_a whether_o a_o body_n who_o basis_n be_v scarce_o two_o inch_n diameter_n and_o who_o length_n amount_v to_o some_o thousand_o of_o miles_n be_v consider_v as_o a_o cylinder_n or_o a_o pyramid_n certain_o stevinus_n and_o other_o learned_a writer_n of_o the_o hydrostaticks_n will_v scarce_o have_v make_v this_o a_o objection_n since_o they_o scruple_n not_o to_o make_v it_o a_o postulatum_fw-la that_o all_o not_o very_o distant_a perpendicular_o be_v look_v upon_o as_o parallel_v though_o they_o allow_v such_o perpendicular_o will_v meet_v in_o the_o centre_n of_o the_o earth_n what_o he_o add_v partly_o in_o these_o word_n conatus_fw-la ergo_fw-la punctorum_fw-la omnium_fw-la ponderantium_fw-la propagabitur_fw-la ad_fw-la superficiem_fw-la marmoris_fw-la superioris_fw-la 20._o antequam_fw-la possit_fw-la propagari_fw-la ulterius_fw-la puta_fw-la ad_fw-la terram_fw-la and_o partly_o in_o the_o follow_a line_n to_o prove_v that_o the_o whole_a endeavour_n of_o the_o pyramid_n that_o lean_v upon_o the_o upper_a marble_n be_v terminate_v there_o and_o that_o there_o be_v no_o endeavour_n of_o the_o atmosphere_n against_o the_o under-superficies_n of_o the_o lowermost_a marble_n this_o ratiocination_n seem_v ground_v partly_o upon_o a_o conceit_n of_o he_o about_o the_o nature_n of_o gravity_n according_a to_o which_o i_o see_v not_o why_o any_o body_n place_v between_o the_o side_n of_o that_o pyramid_n or_o rather_o cone_n whereof_o the_o upper-superficies_n of_o the_o high_a marble_n be_v the_o basis_n shall_v descend_v upon_o the_o account_n of_o gravity_n and_o partly_o from_o a_o mistake_n of_o my_o opinion_n for_o i_o do_v no_o where_o that_o i_o know_v of_o speak_v as_o if_o i_o think_v this_o sustentation_n of_o the_o low_a marble_n be_v perform_v by_o little_a globule_n or_o other_o minute_n body_n protrude_a one_o another_o direct_o towards_o the_o centre_n of_o the_o earth_n and_o rebound_v from_o a_o perfect_o smooth_a superficies_n nor_o need_v i_o say_v that_o the_o low_a stone_n be_v sustain_v by_o the_o pressure_n of_o the_o selfsame_a pillar_n of_o the_o atmosphere_n that_o be_v incumbent_n on_o the_o upper_a since_o other_o part_n of_o the_o atmosphere_n some_o on_o the_o one_o hand_n and_o some_o on_o the_o other_o press_v oblique_o upon_o the_o uneven_a surface_n of_o the_o earth_n may_v have_v their_o pressure_n upward_o terminate_v against_o the_o low_a surface_n of_o the_o undermost_a marble_n and_o in_o the_o mention_a history_n of_o fluidity_n and_o firmness_n speak_v pag._n 187._o of_o the_o adhesion_n of_o flat_a glass_n and_o the_o reason_n be_v the_o same_o in_o our_o flat_a marble_n i_o plain_o deduce_v it_o from_o the_o pressure_n of_o the_o fluid_a air_n which_o like_o a_o liquor_n diffuse_v itself_o upon_o the_o surface_n of_o the_o terrestrial_a globe_n because_o its_o descent_n be_v there_o resist_v do_v like_o water_n and_o other_o liquor_n press_v almost_o equal_o every_o way_n and_o strong_o endeavour_v to_o thrust_v away_o any_o body_n against_o which_o it_o can_v bear_v so_o that_o wherever_o the_o pressure_n be_v take_v off_o from_o one_o part_n of_o a_o body_n and_o not_o from_o the_o opposite_a that_o body_n will_v be_v press_v towards_o that_o part_n whether_o it_o be_v downward_o or_o sideward_n or_o upward_o where_o that_o formerly-equal_a resistance_n be_v remove_v and_o this_o explication_n i_o do_v in_o that_o discourse_n back_o with_o consideration_n and_o experiment_n which_o mr._n hobbs_n be_v not_o please_v to_o take_v any_o notice_n of_o wherefore_o i_o hold_v it_o not_o amiss_o to_o add_v here_o two_o or_o three_o other_o experiment_n to_o one_o of_o those_o mention_v there_o first_o then_o a_o aeolipile_n be_v by_o heat_n free_v from_o air_n as_o much_o as_o you_o can_v if_o the_o little_a hole_n at_o the_o extremity_n of_o the_o neck_n by_o which_o the_o air_n get_v in_o and_o out_o be_v present_o and_o careful_o stop_v
with_o wax_n and_o afterward_o suffer_v to_o cool_v there_o will_v not_o be_v in_o the_o cavity_n of_o the_o aeolipile_n a_o resistance_n any_o thing_n near_o equal_a to_o the_o pressure_n of_o the_o outward_a air._n and_o therefore_o if_o you_o perforate_v the_o wax_n that_o air_n will_v violent_o be_v impel_v in_o at_o the_o unstop_v orifice_n whether_o the_o neck_n be_v hold_v parallel_n or_o perpendicular_a to_o the_o horizon_n or_o in_o any_o other_o situation_n in_o respect_n of_o the_o centre_n of_o the_o earth_n and_o the_o like_a will_v happen_v if_o the_o aeolipile_n be_v unstop_v under_o water_n next_o i_o relate_v in_o the_o mention_a history_n that_o have_v draw_v some_o of_o the_o air_n out_o of_o a_o large_a glass_n with_o a_o narrow_a mouth_n and_o thereby_o destroy_v the_o equality_n of_o force_n betwixt_o the_o weight_n of_o the_o outward_a air_n and_o the_o now_o weaken_a spring_n of_o the_o inward_a i_o find_v that_o by_o immediate_o apply_v a_o flat_a body_n to_o the_o orifice_n of_o the_o vessel_n that_o body_n be_v ready_o lift_v up_o and_o sustain_v in_o the_o air_n as_o long_o as_o i_o please_v though_o the_o weight_n of_o it_o exceed_v 20._o ounce_n three_o i_o late_o meet_v with_o the_o relation_n of_o a_o experiment_n which_o do_v abundant_o make_v out_o the_o power_n of_o the_o ambient_fw-la atmosphere_n to_o press_v body_n against_o each_o other_o when_o it_o can_v get_v between_o their_o internal_a surface_n for_o the_o ingenious_a author_n of_o the_o magdeburgick_a experiment_n write_v to_o the_o industrious_a schottus_n that_o have_v cause_v two_o copper_n plate_n to_o be_v make_v almost_o in_o the_o form_n of_o scale_n a_o little_a above_o half_a a_o ell_n in_o diameter_n and_o exact_o congruous_a if_o lay_v upon_o one_o another_o have_v say_v our_o jesuit_n si_fw-la mutuo_fw-la sibi_fw-la imponit_fw-la &_o aërem_fw-la extrahit_fw-la adeo_fw-la ab_fw-la externi_fw-la aëris_fw-la gravitate_fw-la 461._o compressae_fw-la atque_fw-la unitae_fw-la tenentur_fw-la ut_fw-la sex_n viri_fw-la robusti_fw-la eas_fw-la divellere_fw-la non_fw-la possint_fw-la quod_fw-la si_fw-la tandem_fw-la adhibito_fw-la omni_fw-la conatu_fw-la divellantur_fw-la crepitum_fw-la edunt_fw-la sclopeti_fw-la aut_fw-la musquetae_fw-la explosioni_fw-la non_fw-la minorem_fw-la quamprimum_fw-la vero_fw-la per_fw-la claviculum_fw-la feu_fw-fr epistomium_fw-la apertum_fw-la vel_fw-la minimus_fw-la aditus_fw-la laxatur_fw-la aëri_fw-la sponte_fw-la separantur_fw-la and_o four_o if_o a_o glass_n vial_n such_o as_o will_v be_v anon_o more_o full_o describe_v have_v a_o pipe_n open_a at_o both_o end_n so_o fit_v into_o it_o that_o no_o air_n can_v get_v in_o or_o out_o betwixt_o the_o neck_n and_o it_o and_o if_o the_o vial_n be_v so_o far_o fill_v with_o water_n that_o the_o low_a end_n of_o the_o pipe_n be_v well_o immerse_v therein_o if_o then_o you_o suck_v at_o the_o upper_a end_n of_o the_o pipe_n the_o water_n will_v ascend_v to_o a_o good_a height_n which_o argue_v its_o be_v force_v upward_o by_o the_o oblique_a pressure_n of_o the_o air_n in_o the_o vial_n for_o it_o be_v only_o in_o the_o pipe_n and_o not_o in_o the_o vial_n that_o there_o be_v any_o air_n in_o the_o same_o perpendicular_a with_o the_o water_n that_o be_v impel_v up_o but_o let_v we_o follow_v mr._n hobbs_n a_o little_a further_o have_v ask_v this_o question_n sed_fw-la vis_fw-la illa_fw-la elastica_fw-la quam_fw-la in_o aëre_fw-la esse_fw-la dicunt_fw-la nihilne_fw-la ad_fw-la marmor_fw-la sustinendum_fw-la confer_v potest_fw-la he_o answer_n nihil_fw-la omnino_fw-la non_fw-la enim_fw-la conatus_fw-la in_o aëre_fw-la est_fw-la 21._o ullus_fw-la ad_fw-la centrum_fw-la terrae_fw-la magis_fw-la quam_fw-la ad_fw-la aliud_fw-la quodvis_fw-la punctum_fw-la universi_fw-la quoniam_fw-la enim_fw-la gravia_fw-la omne_fw-la tendunt_fw-la à _fw-la circumferentia_fw-la atmosphaerae_fw-la ad_fw-la centrum_fw-la terrae_fw-la &_o inde_fw-la rursus_fw-la ad_fw-la circumferentiam_fw-la atmosphaerae_fw-la per_fw-la easdem_fw-la lineas_fw-la reflexas_fw-la conatus_fw-la sursum_fw-la conatui_fw-la deorsum_fw-la aequalis_fw-la erit_fw-la &_o proinde_fw-la mutuo_fw-la se_fw-la perimentes_fw-la neutrâ_fw-la conabuntur_fw-la viâ_fw-la but_o that_o the_o spring_n of_o the_o air_n may_v perform_v somewhat_o in_o the_o case_n propose_v i_o hope_v the_o newly-mentioned_a experiment_n have_v evince_v and_o the_o reason_n he_o annex_v to_o his_o negative_a as_o also_o the_o difficult_a example_n he_o subjoin_v of_o a_o man_n lie_v in_o the_o bottom_n of_o the_o sea_n seem_v rather_o oppose_v to_o the_o weight_n than_o the_o spring_n of_o the_o air._n but_o we_o have_v already_o both_o by_o experiment_n and_o by_o his_o own_o concession_n sufficient_o prove_v that_o the_o air_n be_v not_o devoid_a of_o gravity_n and_o that_o it_o likewise_o gravitates_fw-la upon_o the_o terraqueous_a globe_n which_o in_o this_o page_n he_o seem_v to_o deny_v we_o have_v prove_v by_o divers_a reason_n and_o particular_o in_o our_o 25._o experiment_n by_o the_o vast_a expansion_n of_o air_n under_o water_n when_o the_o pressure_n of_o the_o incumbent_a air_n be_v take_v off_o from_o the_o water_n as_o for_o the_o scheme_n he_o annex_v i_o confess_v i_o do_v not_o well_o see_v what_o he_o drive_v at_o in_o it_o at_o least_o if_o it_o be_v intend_v for_o a_o confutation_n of_o the_o conjecture_n i_o have_v be_v defend_v nor_o be_o i_o the_o only_a person_n that_o complain_v of_o his_o writing_n often_o enough_o obscure_o and_o as_o far_o as_o we_o can_v judge_v by_o the_o conclusion_n couch_v in_o these_o word_n non_fw-fr potest_fw-la ergo_fw-la pars_fw-la bc._n which_o in_o the_o explication_n of_o the_o scheme_n he_o call_v pars_fw-la atmosphaerae_fw-la intra_fw-la totam_fw-la posita_fw-la ubicunque_fw-la propter_fw-la magnitudinem_fw-la quantumvis_fw-la gravis_fw-la sit_fw-la descendere_fw-la neque_fw-la ergo_fw-la premere_fw-la sive_fw-la gravitare_fw-la his_o notion_n about_o gravity_n be_v somewhat_o strange_a and_o probable_o either_o do_v not_o concern_v we_o or_o will_v be_v find_v repugnant_a to_o those_o experiment_n on_o which_o our_o conjecture_n be_v ground_v and_o as_o for_o what_o he_o add_v si_fw-la possibile_fw-la esse_fw-la negarem_fw-la ut_fw-la diligentiâ_fw-la &_o arte_fw-la humanâ_fw-la dvae_fw-la superficies_n corporum_fw-la 22._o duorum_fw-la inter_fw-la se_fw-la per_fw-la omne_fw-la puncta_fw-la ita_fw-la accurate_a congruae_fw-la fiant_fw-la ut_fw-la ne_fw-la minimus_fw-la quidem_fw-la corpusculo_fw-la creabili_fw-la transitus_fw-la permittatur_fw-la non_fw-la video_fw-la quomodo_fw-la illi_fw-la aut_fw-la svam_fw-la hypothesim_n tueri_fw-la aut_fw-la negationem_fw-la nostram_fw-la improbitatis_fw-la arguere_fw-la jure_fw-la possent_fw-la i_o confess_v i_o do_v not_o see_v how_o this_o argumentation_n prove_v any_o thing_n against_o the_o interest_n either_o of_o the_o weight_n or_o so_o much_o as_o of_o the_o spring_n of_o the_o air_n in_o the_o cohesion_n of_o our_o marble_n for_o provide_v that_o the_o corpuscle_n of_o the_o air_n get_v not_o in_o between_o the_o two_o stone_n the_o pressure_n of_o the_o air_n may_v well_o suffice_v to_o keep_v they_o together_o and_o last_o as_o for_o that_o modest_a passage_n that_o immediate_o precede_v the_o word_n new_o recite_v wherein_o he_o say_v utraque_fw-la illa_fw-la phantasia_fw-la tum_fw-la gravitatis_fw-la atmosphaerae_fw-la tum_fw-la vis_fw-la elasticae_fw-la sive_fw-la antitupiae_fw-la aëris_fw-la 22._o somnium_fw-la erat_fw-la siquidem_fw-la autem_fw-la illis_fw-la concederetur_fw-la esse_fw-la aliquam_fw-la in_o filiculis_fw-la aëris_fw-la antitupiam_fw-la quaeretque_fw-la aliquis_fw-la unde_fw-la illa_fw-la curvata_fw-la quidem_fw-la sed_fw-la quiescentia_fw-la moverentur_fw-la rursus_fw-la ad_fw-la rectitudinem_fw-la deberent_fw-la illi_fw-la si_fw-la physici_fw-la haberi_fw-la volunt_fw-la causam_fw-la ejus_fw-la aliquam_fw-la possibilem_fw-la assignare_fw-la we_o have_v already_o give_v a_o account_n why_o we_o forbear_v to_o assign_v a_o cause_n of_o the_o motion_n of_o restitution_n but_o methinks_v mr._n hobbs_n may_v have_v for_o the_o speak_v so_o choose_v a_o fit_a place_n than_o this_o where_o he_o give_v i_o so_o far_o a_o opportunity_n to_o tell_v he_o again_o that_o he_o shall_v if_o he_o will_v be_v think_v a_o naturalist_n have_v assign_v some_o cause_n of_o the_o phaenomenon_n about_o which_o he_o have_v all_o this_o while_n be_v despute_v which_o since_o even_o he_o himself_o have_v decline_v to_o do_v perhaps_o the_o phaenomenon_n will_v be_v think_v somewhat_o difficult_a and_o my_o attempt_n at_o discover_v the_o cause_n of_o it_o will_v be_v at_o least_o excuse_v but_o after_o have_v so_o long_o dwell_v upon_o the_o consideration_n of_o our_o marble_n it_o be_v high_a time_n to_o proceed_v to_o what_o remain_v in_o the_o 24._o page_n mr._n hobbs_n have_v that_o passage_n i_o former_o recite_v touch_v the_o glass-fountain_n out_o of_o which_o water_n be_v throw_v up_o by_o compress_v air._n but_o though_o i_o as_o well_o as_o other_o have_v make_v use_n of_o such_o fountain_n invent_v by_o vincenzo_n vincenti_fw-la of_o urbino_n and_o be_v unsatisfied_a with_o the_o account_n he_o give_v of_o their_o phaenomena_n yet_o in_o regatd_v some_o learned_a man_n and_o particular_o dr._n ward_n have_v already_o examine_v
his_o explication_n and_o i_o be_o not_o oblige_v to_o do_v so_o i_o shall_v only_o take_v notice_n of_o what_o our_o author_n object_n to_o prove_v that_o this_o phaenomenon_n can_v be_v solve_v by_o the_o spring_n of_o the_o air_n in_o these_o word_n b._n curio_n non_fw-la potest_fw-la aqua_fw-la quae_fw-la cum_fw-la injiceretur_fw-la particulas_fw-la aëris_fw-la comprimebat_fw-la ab_fw-la iisdem_fw-la particulis_fw-la se_fw-la explicantibus_fw-la 24._o rursus_fw-la rejici_fw-la a._n quia_fw-la locum_fw-la explicatae_fw-la majorem_fw-la non_fw-la requirunt_fw-la quam_fw-la compressae_fw-la quemadmodum_fw-la in_o vase_n aqua_fw-la pleno_fw-la in_fw-la qua_fw-la esset_fw-la multitudo_fw-la anguillarum_fw-la anguillas_fw-la sive_fw-la in_o se_fw-la volutas_fw-la sive_fw-la explicatas_fw-la idem_fw-la semper_fw-la capit_fw-la locum_fw-la propellere_fw-la ergo_fw-la aquam_fw-la per_fw-la vim_o elasticam_fw-la quae_fw-la alia_fw-la non_fw-la est_fw-la quam_fw-la motus_fw-la corporum_fw-la se_fw-la explicantium_fw-la non_fw-la possunt_fw-la b._n comparatio_fw-la illa_fw-la aëris_fw-la cum_fw-la aqua_fw-la anguillis_fw-la plena_fw-la nostris_fw-la credo_fw-la non_fw-la displicebit_fw-la but_o the_o elaterist_n will_v answer_v that_o neither_o can_v his_o earthly_a atom_n to_o who_o he_o ascribe_v the_o rejection_n of_o the_o water_n force_v in_o true_o fill_v up_o more_o part_n of_o space_n at_o one_o time_n than_o at_o another_o and_o therefore_o the_o objection_n may_v have_v be_v spare_v but_o indeed_o it_o reach_v we_o not_o for_o we_o as_o mr._n hobbs_n know_v well_o be_v not_o wont_a to_o compare_v the_o air_n to_o eel_n but_o to_o wool_n and_o though_o each_o hair_n that_o make_v up_o a_o compress_v lock_n of_o wool_n do_v not_o real_o fill_v more_o space_n with_o wool_n when_o extend_v than_o when_o crumple_v yet_o when_o there_o be_v a_o congery_n of_o these_o hair_n compress_v together_o the_o whole_a fleece_n or_o congery_n do_v by_o its_o spring_n endeavour_v to_o thrust_v away_o those_o contiguous_a body_n by_o which_o it_o be_v pen_v up_o as_o i_o have_v more_o full_o explain_v in_o my_o epistle_n so_o that_o these_o aerial_a corpuscle_n be_v pen_v up_o by_o the_o water_n force_v into_o the_o glass_n still_o endeavour_v to_o expand_v themselves_o by_o throw_v it_o out_o what_o our_o author_n add_v in_o the_o same_o page_n as_o if_o they_o be_v mistake_v that_o think_v the_o experiment_n of_o the_o plenist_n tend_v especial_o till_o of_o late_a to_o prove_v that_o the_o generality_n of_o they_o do_v not_o always_o mean_a by_o a_o vacuum_n a_o space_n perfect_o devoid_a of_o all_o corporeal_a substance_n but_o any_o space_n here_o below_o that_o be_v not_o fill_v with_o a_o visible_a body_n or_o at_o least_o with_o air_n for_o these_o be_v my_o word_n to_o which_o i_o suppose_v mr._n hobbs_n allude_v to_o this_o i_o say_v it_o be_v scarce_o worth_a while_n to_o make_v answer_n the_o controversy_n be_v of_o such_o small_a moment_n though_o i_o think_v i_o can_v easy_o enough_o do_v it_o especial_o since_o he_o rather_o excuse_v those_o that_o may_v have_v negligent_o express_v themselves_o than_o disprove_v what_o i_o say_v and_o since_o i_o speak_v chief_o and_o by_o name_n of_o the_o peripatetic_a school_n he_o may_v well_o allow_v that_o their_o expression_n concern_v this_o matter_n be_v not_o always_o so_o accurate_a whilst_o in_o this_o very_a passage_n he_o conclude_v with_o these_o word_n vides_fw-la quam_fw-la ineptum_fw-la sit_fw-la ad_fw-la explicationem_fw-la effectuum_fw-la talium_fw-la advocare_fw-la verba_fw-la metaphorica_fw-la ut_fw-la fugam_fw-la vacui_fw-la horrorem_fw-la naturae_fw-la etc._n etc._n 25._o quibus_fw-la olim_fw-la ad_fw-la existimationem_fw-la svam_fw-la tuendam_fw-la usae_fw-la sunt_fw-la scholae_fw-la nor_o be_v what_o he_o add_v concern_v the_o vacuum_n to_o be_v attribute_v to_o democritus_n and_o epicurus_n either_o clear_a enough_o or_o of_o concernment_n enough_o to_o our_o dispute_n to_o be_v insist_v on_o by_o we_o especial_o since_o i_o see_v not_o to_o what_o purpose_n he_o bring_v it_o in_o but_o there_o be_v in_o this_o page_n two_o particular_n which_o though_o they_o make_v little_a or_o nothing_o against_o what_o i_o say_v of_o the_o plenist_n may_v deserve_v to_o be_v take_v notice_n of_o the_o second_o for_o i_o think_v it_o expedient_a to_o dispatch_v that_o first_o be_v couch_v in_o these_o word_n in_o hydriis_fw-la perforatis_fw-la ideo_fw-la haeret_fw-la aqua_fw-la quia_fw-la quae_fw-la per_fw-la tantillum_fw-la foramen_fw-la exiturit_fw-la adeo_fw-la exigua_fw-la est_fw-la 25._o ut_fw-la non_fw-la posset_n ita_fw-la in_o longitudinem_fw-la se_fw-la diffundere_fw-la ut_fw-la descendendo_fw-la aditum_fw-la aëri_fw-la faciat_fw-la per_fw-la foraminum_fw-la circumferentias_fw-la neque_fw-la aër_fw-la ab_fw-la exeunte_fw-la aqua_fw-la pulsus_fw-la locum_fw-la alium_fw-la in_fw-la mundo_fw-la pleno_fw-la habere_fw-la potest_fw-la praeterquam_fw-la quem_fw-la aqua_fw-la deseret_fw-la but_o this_o experiment_n i_o have_v already_o examine_v as_o it_o be_v propose_v in_o his_o element_n of_o philosophy_n and_o therefore_o i_o shall_v now_o only_o say_v to_o the_o light_a variation_n i_o find_v of_o it_o here_o that_o the_o reason_n here_o assign_v why_o the_o water_n in_o gardener_n pot_n close_v at_o the_o top_n do_v not_o descend_v be_v not_o right_o assign_v since_o to_o omit_v other_o objection_n by_o monsieur_n paschall_n experiment_n it_o appear_v that_o though_o in_o pipe_n of_o no_o great_a length_n the_o water_n will_v not_o run_v out_o yet_o if_o the_o pipe_n be_v long_o enough_o though_o the_o orifice_n be_v no_o wide_o the_o water_n will_v descend_v without_o give_v passage_n to_o the_o air_n at_o the_o circumference_n of_o it_o but_o the_o other_o particular_a here_o mention_v by_o mr._n hobbs_n who_o thus_o propose_v it_o qui_fw-la per_fw-la fistulam_fw-la ore_fw-la aquam_fw-la sugit_fw-la aerem_fw-la medium_n prius_fw-la sugit_fw-la quo_fw-la distentum_fw-la aerem_fw-la externum_fw-la removet_fw-la qui_fw-la remotus_fw-la locum_fw-la in_fw-la pleno_fw-la habere_fw-la nisi_fw-la 25._o proximum_fw-la removendo_fw-la non_fw-la potest_fw-la &_o sic_fw-la continua_fw-la pulsione_n aqua_fw-la tandem_fw-la pellitur_fw-la in_o fistulam_fw-la succeditque_fw-la aeri_fw-la qui_fw-la exugitur_fw-la deserve_v a_o more_o particular_a consideration_n for_o this_o account_n of_o the_o ascension_n of_o liquor_n by_o suction_n be_v not_o only_o here_o give_v by_o mr._n hobbs_n but_o for_o the_o main_a by_o the_o learned_a gassendus_fw-la himself_n and_o other_o atomist_n and_o be_v general_o acquiesce_v in_o by_o the_o modern_a philosopher_n perhaps_o the_o rather_o because_o it_o seem_v not_o to_o establish_v or_o overthrow_v a_o vacuum_n but_o though_o i_o shall_v not_o deny_v but_o that_o many_o phaenomena_n of_o nature_n may_v be_v probable_o explicate_v by_o this_o propagation_n and_o return_n of_o motion_n yet_o there_o be_v some_o phaenomena_n here_o below_o which_o i_o see_v not_o how_o the_o cartesian_o or_o the_o atomist_n or_o mr._n hobbs_n can_v explicate_v without_o admit_v the_o spring_n of_o the_o air_n and_o which_o perhaps_o by_o the_o spring_n of_o the_o air_n may_v be_v explicate_v without_o the_o recur_v to_o such_o a_o propagation_n and_o return_n of_o impulse_n divers_a instance_n to_o this_o purpose_n i_o elsewhere_o consider_v but_o at_o present_a i_o shall_v propose_v only_o one_o experiment_n purposely_o devise_v to_o show_v that_o both_o vacuist_n and_o plenist_n shall_v admit_v a_o elastical_a power_n in_o the_o air._n i_o take_v then_o a_o glass-vessel_n consist_v of_o two_o part_n the_o one_o be_v a_o vial_n capable_a of_o contain_v about_o a_o pound_n of_o water_n and_o the_o other_o a_o pipe_n open_a at_o both_o end_n the_o low_a of_o which_o reach_v within_o two_o inch_n of_o the_o bottom_n of_o the_o vial_n this_o pipe_n be_v by_o the_o glass-man_n fasten_v into_o the_o neck_n of_o the_o vial_n not_o by_o any_o cement_n lest_o it_o shall_v be_v pretend_v that_o the_o air_n may_v undiscerned_o get_v in_o or_o out_o but_o with_o melt_a glass_n of_o a_o good_a thickness_n into_o this_o vessel_n by_o the_o open_a pipe_n i_o at_o length_n for_o it_o be_v somewhat_o difficult_a pour_v water_n enough_o to_o swim_v a_o pretty_a way_n above_o the_o low_a extreme_a of_o the_o pipe_n and_o then_o often_o incline_v the_o vessel_n to_o give_v a_o free_a intercourse_n betwixt_o the_o air_n within_o the_o vial_n and_o that_o without_o it_o that_o if_o the_o internal_a air_n be_v compress_v by_o the_o affusion_n of_o the_o water_n it_o may_v free_v itself_o as_o it_o ready_o do_v by_o ascend_v in_o bubble_n along_o the_o incline_v pipe_n till_o the_o outward_a and_o inward_a air_n be_v reduce_v to_o a_o equality_n of_o pressure_n now_o if_o all_o suction_n be_v produce_v by_o the_o pressure_n of_o the_o air_n thrust_v away_o by_o the_o dilate_a chest_n of_o he_o that_o suck_v and_o so_o thrust_v the_o water_n or_o other_o liquor_n into_o the_o pipe_n at_o which_o he_o suck_v it_o seem_v evident_a in_o our_o case_n that_o the_o water_n will_v not_o ascend_v by_o suction_n since_o by_o the_o contrivance_n of_o the_o
vessel_n the_o air_n thrust_v away_o by_o he_o that_o suck_v can_v at_o all_o come_v to_o bear_v or_o press_v upon_o the_o water_n and_o yet_o whether_o the_o pipe_n be_v incline_v or_o erect_v the_o water_n do_v according_a to_o my_o expectation_n easy_o enough_o ascend_v upon_o suction_n to_o the_o top_n of_o the_o pipe_n and_o run_v over_o into_o my_o mouth_n i_o say_v easy_o enough_o because_o that_o though_o the_o spring_n of_o the_o air_n pen_v up_o in_o the_o vial_n be_v able_a upon_o the_o decrease_n of_o the_o pressure_n of_o the_o outward_a air_n occasion_v by_o my_o suck_n to_o impel_v the_o water_n strong_o enough_o into_o the_o pipe_n yet_o when_o a_o pretty_a quantity_n of_o water_n have_v be_v so_o impel_v up_o the_o include_v air_n gain_v thereby_o more_o room_n to_o expand_v itself_o its_o spring_n be_v thereby_o so_o far_o weaken_v that_o the_o water_n ascend_v far_o less_o easy_o than_o in_o ordinary_a suction_n the_o other_o circumstance_n worth_a note_v in_o this_o experiment_n belong_v not_o to_o this_o place_n and_o what_o have_v be_v deliver_v may_v i_o hope_v suffice_v for_o the_o purpose_n it_o be_v allege_v for_o only_o one_o particular_a i_o shall_v here_o add_v by_o way_n of_o confirmation_n of_o what_o i_o say_v touch_v the_o weaken_v spring_n of_o the_o air_n and_o it_o be_v this_o that_o partly_o to_o show_v some_o who_o yet_o embrace_v the_o opinion_n of_o the_o school_n that_o the_o ascension_n of_o the_o water_n in_o the_o pipe_n do_v not_o proceed_v from_o any_o such_o tendency_n in_o the_o water_n itself_o to_o ascend_v for_o prevention_n of_o a_o vacuum_n and_o partly_o for_o other_o reason_n that_o concern_v not_o this_o place_n i_o do_v careful_o take_v out_o the_o water_n by_o degree_n till_o the_o low_a end_n of_o the_o pipe_n be_v but_o very_o little_a under_o the_o surface_n of_o the_o water_n though_o in_o the_o cavity_n of_o the_o pipe_n the_o water_n as_o it_o usual_o will_v be_v in_o pipe_n that_o be_v not_o wide_a be_v a_o pretty_a deal_n high_o then_o suffer_v the_o vessel_n to_o rest_v and_o suck_v at_o the_o upper_a end_n of_o the_o pipe_n the_o water_n as_o i_o foresee_v it_o will_v be_v be_v impel_v up_o yet_o without_o reach_v near_o the_o top_n till_o the_o surface_n of_o it_o be_v fall_v a_o little_a below_o the_o bottom_n of_o the_o pipe_n but_o then_o though_o i_o continue_v suck_v no_o more_o water_n ascend_v into_o the_o pipe_n but_o the_o air_n pass_v through_o it_o towards_o my_o mouth_n do_v in_o its_o passage_n toss_v up_o the_o water_n that_o be_v already_o in_o the_o pipe_n and_o turn_v it_o into_o bubble_n of_o a_o strong_a bigness_n when_o the_o cavity_n of_o the_o pipe_n will_v permit_v it_o which_o break_v not_o without_o noise_n one_o after_o another_o and_o thus_o the_o ascend_a air_n for_o a_o pretty_a while_n keep_v the_o water_n in_o the_o pipe_n from_o fall_v back_o to_o that_o in_o the_o vial._n but_o when_o i_o remove_v my_o mouth_n the_o spring_n of_o the_o air_n remain_v in_o the_o cavity_n of_o the_o vial_n be_v debilitate_a by_o the_o recess_n of_o the_o air_n i_o have_v as_o man_n be_v wont_a to_o speak_v suck_v out_o it_o be_v not_o able_a to_o resist_v the_o pressure_n of_o the_o outward_a air_n and_o according_o the_o water_n in_o the_o pipe_n be_v not_o only_o depress_v into_o the_o vial_n but_o the_o outward_a air_n force_v its_o way_n in_o many_o bubble_n and_o not_o without_o some_o noise_n through_o the_o water_n contiguous_a to_o the_o bottom_n of_o the_o pipe_n till_o the_o pressure_n of_o the_o include_v air_n and_o that_o of_o the_o atmosphere_n be_v reduce_v to_o a_o equality_n but_o in_o the_o same_o 25._o page_n our_o author_n tell_v we_o that_o the_o society_n he_o write_v against_o will_v have_v the_o cause_n of_o filtration_n and_o that_o of_o the_o passage_n of_o water_n through_o siphons_n to_o be_v the_o same_o to_o which_o he_o annex_v this_o peremptory_a passage_n id_fw-la vero_fw-la impossibile_fw-it est_fw-la no_o in_o siphone_n nisi_fw-la ambo_fw-la crura_fw-la aquâ_fw-la impleantur_fw-la aqua_fw-la è_fw-la pelvi_fw-la non_fw-la ascendet_fw-la ascensionis_fw-la causa_fw-la in_o pannum_fw-la est_fw-la motus_fw-la ille_fw-la terrearum_fw-la atomorum_fw-la quae_fw-la aquae_fw-la contiguae_fw-la sunt_fw-la motus_fw-la inquam_fw-la circularis_fw-la simplex_fw-la aëri_fw-la in_o quo_fw-la moventur_fw-la communicatus_fw-la quae_fw-la atomy_n aquam_fw-la ferientes_fw-la in_o materiam_fw-la laneam_fw-la incutiunt_fw-la incussae_fw-la autem_fw-la magis_fw-la magisque_fw-la madefaciunt_fw-la donec_fw-la madida_fw-la tota_fw-la sit_fw-la cum_fw-la vero_fw-la madida_fw-la tota_fw-la sit_fw-la etc._n etc._n thus_o far_o he_o but_o the_o passage_n in_o my_o epistle_n upon_o which_o he_o seem_v to_o have_v ground_v his_o opposition_n be_v but_o this_o wherewith_o i_o begin_v my_o 35._o experiment_n some_o learned_a mathematician_n i_o mean_v the_o industrious_a schottus_n and_o some_o cartesian_o have_v of_o late_o ingenious_o endeavour_v to_o reduce_v filtre_n to_o siphons_n but_o still_o the_o cause_n of_o the_o ascension_n of_o water_n and_o other_o liquor_n both_o in_o siphons_n and_o in_o filtration_n need_v for_o aught_o we_o have_v yet_o find_v a_o clear_a discovery_n and_o explication_n we_o be_v desirous_a to_o try_v etc._n etc._n so_o that_o neither_o do_v i_o ascribe_v this_o reduction_n of_o filtre_n to_o siphons_n to_o a_o society_n which_o be_v not_o then_o in_o be_v nor_o perhaps_o so_o much_o as_o design_v nor_o do_v i_o adopt_v it_o myself_o but_o express_v a_o desire_n to_o have_v it_o further_o examine_v but_o as_o for_o the_o cause_n of_o filtration_n itself_o i_o may_v take_v a_o fit_a opportunity_n to_o discourse_v of_o it_o in_o the_o mean_a time_n i_o doubt_v whether_o the_o reason_n here_o assign_v by_o mr._n hobbs_n will_v not_o seem_v as_o well_o precarious_a as_o the_o motus_fw-la circularis_fw-la simplex_fw-la of_o earthly_a atom_n whereon_o it_o be_v ground_v nor_o do_v his_o explication_n render_v a_o reason_n why_o quicksilver_n will_v not_o ascend_v the_o 14._o part_n as_o high_a in_o the_o filtre_n though_o in_o part_n immerse_v into_o it_o as_o water_n nay_o will_v not_o reach_v so_o high_a where_o it_o be_v contiguous_a to_o the_o filtre_n as_o where_o it_o be_v not_o nor_o why_o it_o shall_v begin_v to_o ascend_v since_o for_o aught_o he_o show_v to_o the_o contrary_a the_o pressure_n of_o the_o air_n even_o in_o the_o sense_n he_o take_v the_o air_n aught_o to_o be_v the_o same_o on_o that_o part_n of_o the_o surface_n of_o the_o liquor_n which_o be_v contiguous_a to_o the_o filtre_n and_o on_o any_o other_o part_n of_o the_o same_o surface_n to_o which_o i_o shall_v only_o add_v that_o as_o resolute_o as_o mr._n hobbs_n say_v it_o be_v impossible_a for_o the_o water_n to_o ascend_v out_o of_o the_o vessel_n into_o a_o siphon_n unless_o both_o the_o leg_n be_v fill_v with_o that_o liquor_n he_o will_v probable_o have_v speak_v more_o wary_o and_o distinguish_v betwixt_o siphons_n if_o he_o have_v be_v please_v to_o take_v notice_n of_o what_o i_o relate_v in_o the-forementioned_n 35._o experiment_n of_o a_o small_a glass-siphon_a i_o devise_v whereof_o when_o the_o short_a leg_n be_v but_o dip_v in_o water_n the_o liquor_n do_v present_o as_o it_o be_v of_o itself_o run_v down_o the_o long_a leg_n which_o experiment_n beside_o other_o consideration_n may_v induce_v we_o to_o suspect_v that_o the_o nature_n of_o siphons_n and_o of_o filtration_n may_v not_o yet_o be_v so_o thorough_o understand_v as_o not_o to_o deserve_v a_o further_a enquiry_n but_o to_o draw_v at_o length_n towards_o a_o conclusion_n of_o our_o troublesome_a examen_fw-la it_o remain_v only_o that_o i_o take_v some_o notice_n of_o the_o general_a corollary_n that_o mr._n hobbs_n be_v please_v to_o deduce_v from_o his_o whole_a discourse_n of_o the_o experiment_n exhibit_v in_o our_o engine_n a._n fateris_fw-la ergo_fw-la say_v he_o nihil_fw-la hactenus_fw-la à _fw-la collegis_fw-la tuis_fw-la promotam_fw-la esse_fw-la scientiam_fw-la causarum_fw-la naturalium_fw-la 23._o nisi_fw-la quod_fw-la unus_fw-la eorum_fw-la machinam_fw-la invenerit_fw-la qua_fw-la motus_fw-la excitari_fw-la aeris_fw-la possit_fw-la talis_fw-la ut_fw-la part_n sphaerae_fw-la simul_fw-la undiquaque_fw-la tendant_a ad_fw-la centrum_fw-la &_o ut_fw-la hypothesis_n hobbianae_n ante_fw-la quidem_fw-la satis_fw-la probabiles_fw-la hinc_fw-la reddantur_fw-la probabiliores_fw-la b._n nec_fw-la fateri_fw-la pudet_fw-la nam_fw-la est_fw-la aliquid_fw-la prodire_fw-la tenus_fw-la si_fw-la non_fw-la datur_fw-la ultra_fw-la a._n quid_fw-la tenus_fw-la quorsum_fw-la autem_fw-la tantus_fw-la apparatus_n &_o sumptus_fw-la machinarum_fw-la factu_fw-la difficilium_fw-la ut_fw-la eatenus_fw-la tantum_fw-la prodiretis_fw-la quantum_fw-la ante_fw-la prodierat_fw-la hobbius_n cur_n non_fw-la inde_fw-la potius_fw-la incepistis_fw-la ubi_fw-la ille_fw-la desiit_fw-la cur_n principiis_fw-la ab_fw-la eo_fw-la positis_fw-la non_fw-la estis_fw-la usi_fw-la cumque_fw-la aristoteles_n recte_fw-la dixisset_fw-la
i_o may_v answer_v for_o not_o to_o mention_v that_o the_o argumentation_n be_v invalid_a unless_o by_o fluidum_fw-la he_o mean_v omne_fw-la fluidum_fw-la i_o reply_v that_o till_o he_o have_v explain_v what_o he_o mean_v by_o his_o fluida_fw-la prima_fw-la and_o prove_v that_o there_o be_v such_o the_o question_n need_v no_o answer_n beside_o that_o whatever_o he_o upon_o mistake_n strive_v to_o infer_v my_o doctrine_n be_v so_o far_o from_o affirm_v that_o there_o be_v many_o part_n of_o matter_n of_o which_o neither_o fluid_a nor_o hard_a body_n can_v be_v make_v that_o i_o teach_v as_o we_o have_v late_o see_v that_o there_o be_v multitude_n of_o part_n that_o may_v by_o be_v reduce_v to_o a_o sufficient_a smallness_n and_o put_v into_o a_o convenient_a motion_n or_o by_o be_v bring_v to_o a_o mutual_a contact_n and_o rest_n be_v make_v to_o constitute_v either_o a_o fluid_a body_n or_o a_o firm_a one_o as_o may_v be_v exemplify_v in_o the_o formerly-mentioned_n instance_n of_o two_o subtle_a liquor_n that_o immediate_o compose_v a_o consistent_a body_n and_o of_o quicksilver_n which_o without_o additament_n be_v make_v sometime_o a_o powder_n and_o sometime_o a_o liquor_n what_o mr._n hobbs_n add_v in_o the_o next_o page_n about_o the_o difficulty_n of_o explain_v the_o diaphaneity_n of_o glass_n or_o crystal_n in_o case_n they_o 31._o consist_v of_o corpuscle_n hard_a and_o implicate_v or_o have_v their_o pore_n in_o any_o way_n whatsoever_o disjoin_v i_o must_v not_o now_o insist_v on_o since_o beside_o that_o such_o a_o disquisition_n will_v require_v almost_o a_o volume_n the_o true_a and_o general_a cause_n of_o transparency_n in_o body_n be_v in_o my_o poor_a opinion_n one_o of_o the_o abstruse_a thing_n in_o natural_a philosophy_n and_o mr._n hobbs_n explication_n of_o it_o though_o none_o of_o his_o worst_a conceit_n have_v for_o aught_o i_o can_v find_v fall_v short_a of_o satisfy_v the_o curious_a as_o well_o as_o those_o of_o other_o man_n have_v do_v but_o to_o i_o that_o have_v not_o take_v upon_o i_o to_o write_v element_n of_o philosophy_n it_o be_v enough_o that_o i_o have_v by_o competent_a experiment_n and_o other_o proof_n confirm_v the_o truth_n of_o my_o doctrine_n about_o the_o cause_n of_o firmness_n though_o i_o attempt_v not_o to_o explicate_v the_o other_o quality_n of_o the_o same_o body_n who_o explication_n my_o undertake_n do_v not_o exact_a wherefore_o i_o hope_v i_o may_v now_o hasten_v to_o conclude_v this_o appendix_n with_o spend_v a_o few_o word_n on_o the_o notion_n of_o fluidity_n and_o firmness_n mr._n hobbs_n will_v substitute_v instead_o of_o i_o for_o have_v now_o perhaps_o but_o too_o prolix_o examine_v what_o he_o have_v be_v please_v to_o object_n against_o my_o doctrine_n i_o shall_v not_o need_n spend_v time_n to_o vindicate_v the_o experiment_n and_o consideration_n whereon_o i_o build_v it_o mr._n hobbs_n for_o reason_n best_o know_v to_o himself_o not_o have_v think_v fit_a to_o take_v notice_n of_o they_o mr._n hobbs_n theory_n of_o fluidity_n and_o firmness_n be_v thus_o deliver_v by_o himself_o b._n quaenam_fw-la duri_fw-la &_o fluidi_fw-la sunt_fw-la principia_fw-la a._n quid_fw-la aliud_fw-la nisi_fw-la fluidi_fw-la quidem_fw-la quies_n duri_fw-la autem_fw-la 30._o motus_fw-la quidam_fw-la ad_fw-la illum_fw-la effectum_fw-la producendum_fw-la idoneus_fw-la per_fw-la quietem_fw-la intelligo_fw-la duar_fw-la be_o partium_fw-la inter_fw-la se_fw-la quietem_fw-la cum_fw-la se_fw-la mutuo_fw-la tangunt_fw-la quidem_fw-la sed_fw-la non_fw-la premunt_fw-la nam_fw-la &_o fluida_fw-la moveri_fw-la tota_fw-la possunt_fw-la retenta_fw-la fluiditate_fw-la &_o dura_fw-la quiescere_fw-la ut_fw-la tamen_fw-la part_n eorum_fw-la moveantur_fw-la i_o doubt_v not_o but_o this_o will_n to_o most_o reader_n seem_v a_o paradox_n and_o as_o for_o his_o ratiocination_n contain_v in_o the_o two_o last_o line_n i_o shall_v ready_o allow_v he_o that_o fluida_fw-la moveri_fw-la tota_fw-la possunt_fw-la retent_a a_o fluiditate_fw-la since_o that_o i_o think_v agree_v at_o least_o as_o well_o with_o my_o hypothesis_n as_o he_o but_o whereas_o he_o add_v that_o hard_a body_n may_v rest_v and_o yet_o their_o part_n be_v move_v that_o may_v in_o one_o case_n be_v conceive_v and_o in_o another_o not_o for_o indeed_o the_o implicate_v part_n of_o a_o firm_a body_n may_v be_v make_v to_o tremble_v or_o a_o little_a vibrate_v as_o it_o be_v to_o and_o fro_o as_o those_o of_o a_o sound_a bell_n do_v or_o as_o in_o a_o hedge_n the_o branch_n and_o twig_n may_v be_v shake_v by_o the_o wind_n whilst_o the_o tree_n and_o bush_n themselves_o continue_v root_v in_o the_o ground_n but_o that_o in_o a_o body_n the_o constituent_a corpuscle_n shall_v all_o or_o most_o of_o they_o be_v move_v quite_o out_o of_o their_o place_n in_o respect_n of_o one_o another_o as_o be_v late_o show_v to_o happen_v in_o fluid_n and_o yet_o the_o body_n continue_v hard_a be_v more_o requisite_a than_o easy_a to_o be_v prove_v but_o mr._n hobbs_n content_v himself_o to_o allege_v in_o favour_n of_o his_o strange_a notion_n touch_v fluidity_n and_o firmness_n three_o particular_n which_o i_o confess_v afford_v i_o not_o the_o least_o satisfaction_n the_o first_o be_v draw_v from_o what_o he_o former_o teach_v touch_v the_o swift_a motion_n of_o the_o air_n in_o our_o cylinder_n which_o example_n as_o he_o call_v it_o have_v repeat_v he_o add_v atque_fw-la hinc_fw-la manifestum_fw-la est_fw-la vehementem_fw-la esse_fw-la in_o aëre_fw-la it_o a_o moto_fw-mi &_o clauso_fw-la compressionem_fw-la 30._o quantam_fw-la scilicet_fw-la efficere_fw-la potest_fw-la vis_fw-la illa_fw-la qua_fw-la incussus_fw-la erat_fw-la atque_fw-la etiam_fw-la à _fw-la tanta_fw-la compressione_n aliquem_fw-la gradum_fw-la consistentiae_fw-la fieri_fw-la quanquam_fw-la consistentia_fw-la aquae_fw-la minorem_fw-la quod_fw-la si_fw-la esset_fw-la in_o iisdem_fw-la particulis_fw-la aëris_fw-la omnibus_fw-la praeter_fw-la motum_fw-la illum_fw-la quo_fw-la alter_fw-la a_o alteram_fw-la premit_fw-la motus_fw-la ille_fw-la circularis_fw-la simplex_fw-la isque_fw-la satis_fw-la vehemens_fw-la impossibile_fw-it fere_n esset_fw-la unam_fw-la earum_fw-la à _fw-la svo_fw-la circello_fw-la dimoveri_fw-la quin_fw-la reliquis_fw-la particulis_fw-la resistentibus_fw-la totus_fw-la simul_fw-la premeretur_fw-la idest_fw-la totum_fw-la durum_fw-la esset_fw-la durum_fw-la enimest_n totumillud_fw-la cujus_fw-la nulla_fw-la cedit_fw-la parsnisi_fw-la cedente_fw-la toto_fw-la vides_fw-la ergoposse_v fieri_fw-la duritiem_fw-la in_o fluidissimo_fw-la aëre_fw-la per_fw-la motum_fw-la hunc_fw-la circularem_fw-la simplicem_fw-la particularem_fw-la quibus_fw-la duo_fw-la motus_fw-la contrarii_fw-la ante_fw-la dederant_fw-la vertiginem_fw-la but_o i_o confess_v i_o do_v not_o see_v how_o the_o motus_fw-la circularis_fw-la simplex_fw-la he_o talk_v of_o shall_v give_v such_o a_o hardness_n to_o the_o fluid_a air_n nor_o be_v it_o manifest_a to_o i_o how_o the_o air_n that_o perfect_o fill_v the_o cylinder_n can_v be_v by_o motion_n compress_v especial_o so_o far_o as_o to_o obtain_v thereby_o a_o degree_n of_o consistence_n fit_a to_o be_v mention_v as_o he_o speak_v of_o it_o when_o without_o add_v the_o word_n much_o or_o any_o other_o equivalent_a term_n he_o say_v that_o yet_o it_o be_v less_o than_o the_o consistence_n of_o water_n for_o the_o cylinder_n be_v according_a to_o he_o perfect_o full_a of_o air_n i_o see_v not_o how_o the_o pump_v can_v make_v the_o cavity_n to_o use_v his_o own_o expression_n elsewhere_o full_a than_o full_a nor_o consequent_o can_v compress_v the_o air_n to_o a_o consistence_n any_o thing_n near_o that_o of_o water_n without_o penetration_n of_o dimension_n but_o these_o thing_n be_v mention_v only_o ex_fw-la abundanti_fw-la for_o the_o violent_a motion_n itself_o of_o the_o air_n in_o the_o cylinder_n which_o motion_n the_o argument_n suppose_v have_v be_v already_o in_o the_o examen_fw-la of_o one_o of_o the_o former_a passage_n of_o his_o dialogue_n sufficient_o manifest_v to_o be_v contrary_a to_o experience_n the_o second_o thing_n mr._n hobbs_n allege_v be_v his_o conceit_n of_o the_o generation_n of_o flesh_n within_o the_o muscle_n of_o the_o humane_a body_n but_o beside_o that_o he_o take_v for_o grant_v two_o or_o three_o thing_n which_o many_o learned_a anatomist_n and_o physician_n even_o among_o the_o modern_n will_v scarce_o allow_v he_o and_o which_o he_o do_v not_o prove_v beside_o this_o i_o say_v which_o i_o may_v elsewhere_o have_v occasion_n to_o consider_v further_a the_o account_n he_o give_v of_o the_o generation_n of_o flesh_n from_o these_o supposition_n be_v far_o from_o be_v evident_o enough_o deduce_v to_o vie_v for_o clearness_n with_o many_o of_o those_o experiment_n which_o i_o have_v allege_v in_o favour_n of_o the_o opinion_n he_o oppose_v and_o whereas_o he_o add_v atque_fw-la talis_fw-la quidem_fw-la esse_fw-la potest_fw-la causa_fw-la efficiens_fw-la duri_fw-la primi_fw-la duri_fw-la autem_fw-la secundi_fw-la id_fw-la est_fw-la duri_fw-la à _fw-la cohaesione_fw-la 31._o durorum_fw-la primorum_fw-la causa_fw-la potest_fw-la esse_fw-la motus_fw-la ille_fw-la idem_fw-la circularis_fw-la simplex_fw-la conjunctus_fw-la cum_fw-la contactu_fw-la
find_v out_o of_o the_o invisible_a cause_n of_o natural_a thing_n all_o will_v be_v in_o vain_a p._n 15._o cum_fw-la ejus_fw-la etc._n etc._n see_v almost_o all_o its_o part_n be_v flexil_n like_o little_a soft_a feather_n to_o fine_a thread_n ibid._n sed_fw-la quisquis_fw-la etc._n etc._n but_o it_o matter_n not_o who_o be_v the_o author_n of_o that_o supposition_n for_o the_o very_a hypothesis_n itself_o wherein_o be_v suppose_v a_o motion_n of_o subtle_a matter_n which_o be_v swift_a without_o any_o cause_n assign_v and_o have_v moreover_o divers_a innumerable_a circulation_n of_o corpuscle_n generate_v from_o the_o single_a motion_n of_o that_o matter_n be_v not_o the_o conceit_n of_o a_o man_n of_o wit_n or_o sense_n p._n 16._o nempe_fw-la hoc_fw-la etc._n etc._n this_o be_v the_o thing_n that_o the_o great_a des-cartes_n somewhere_o admire_v that_o he_o whether_o his_o position_n be_v true_a or_o false_a do_v never_o in_o argumentation_n make_v any_o right_a inference_n from_o his_o supposition_n p._n 17._o quod_fw-la sane_fw-la etc._n etc._n which_o be_v indeed_o a_o most_o evident_a argument_n of_o the_o weight_n of_o the_o air._n ibid._n quod_fw-la quidem_fw-la lanx_fw-la etc._n etc._n that_o the_o scale_n in_o which_o the_o bladder_n be_v be_v more_o depress_v than_o the_o other_o they_o may_v be_v certain_a their_o eye_n bear_v they_o witness_n but_o that_o this_o come_v from_o the_o natural_a gravity_n of_o the_o air_n he_o can_v be_v assure_v especial_o if_o they_o be_v ignorant_a what_o be_v the_o efficient_a cause_n of_o gravity_n p._n 18._o quod_fw-la vesica_fw-la etc._n etc._n that_o the_o bladder_n whether_o it_o be_v blow_v up_o with_o a_o pair_n of_o bellows_o or_o with_o the_o breath_n of_o one_o mouth_n be_v heavy_a than_o when_o it_o be_v not_o blow_v up_o i_o will_v not_o deny_v because_o of_o the_o great_a quantity_n of_o atom_n from_o the_o bellows_o or_o of_o fuliginous_a corpuseles_o that_o be_v blow_v in_o from_o the_o breath_n but_o notwithstanding_o they_o gather_v nothing_o of_o sufficient_a certainty_n from_o this_o experiment_n of_o a_o blow_a bladder_n they_o ought_v to_o have_v put_v into_o the_o scale_n two_o vessel_n of_o equal_a weight_n whereof_o one_o shall_v be_v shut_v and_o the_o other_o open_a for_o by_o this_o mean_v air_n not_o blow_v in_o but_o only_o enclose_v have_v be_v weigh_v when_o therefore_o you_o shall_v see_v air_n so_o weigh_v we_o will_v afterward_o consider_v what_o may_v be_v say_v concern_v the_o phaenomenon_n you_o bring_v p._n 19_o quod_fw-la atmosphaerae_fw-la etc._n etc._n that_o many_o particle_n both_o of_o earth_n and_o water_n mingle_v with_o the_o aethereal_a body_n be_v in_o the_o atmosphere_n i_o be_o easy_o persuade_v but_o that_o in_o the_o middle_n of_o the_o aether_n they_o shall_v move_v upward_o downward_o every_o way_n and_o that_o one_o lean_v on_o the_o back_n of_o another_o they_o shall_v not_o gravitate_fw-la be_v a_o thing_n utter_o unconceivable_a p._n 20._o aer_fw-la quo_fw-la etc._n etc._n the_o air_n with_o which_o in_o the_o begin_n the_o spherical_a glass_n be_v full_a be_v move_v by_o those_o earthy_a corpuscle_n in_o a_o simple_a circular_a motion_n and_o be_v compress_v by_o the_o force_n of_o the_o injection_n that_o of_o it_o which_o be_v pure_a penetrate_v the_o injected_a water_n get_v out_o into_o the_o open_a air_n and_o give_v place_n to_o the_o water_n it_o follow_v therefore_o that_o those_o earthy_a corpuscle_n have_v less_o place_n leave_v in_o which_o they_o can_v exercise_v their_o natural_a motion_n therefore_o beat_v one_o upon_o another_o they_o force_v the_o water_n to_o go_v out_o it_o thus_o go_v out_o the_o external_a air_n because_o the_o universe_n be_v suppose_v to_o be_v full_a penetrate_v it_o and_o successive_o take_v up_o the_o place_n of_o the_o air_n that_o go_v out_o until_o the_o corpuscle_n the_o same_o quantity_n of_o air_n be_v restore_v regain_v a_o liberty_n natural_a to_o their_o motion_n p._n 21._o quoniam_fw-la per_fw-la etc._n etc._n because_o by_o the_o draw_v back_o of_o the_o sucker_n the_o pure_a air_n be_v thrust_v in_o but_o the_o earthy_a part_n be_v not_o thrust_v in_o there_o be_v a_o great_a proportion_n of_o earthy_a particle_n which_o without_o the_o cylinder_n be_v near_o the_o sucker_n unto_o the_o pure_a air_n in_o which_o they_o exercise_v their_o motion_n as_o well_o after_o this_o revulsion_n as_o before_o wherefore_o these_o particle_n so_o move_v have_v less_o place_n to_o exercise_v their_o natural_a motion_n in_o some_o of_o they_o fall_v foul_a and_o beat_v upon_o the_o rest_n so_o that_o of_o necessity_n the_o particle_n that_o be_v near_o the_o surface_n of_o the_o sucker_n must_v drive_v it_o upward_o ibid._n vidisti_fw-la etc._n etc._n you_o see_v now_o that_o the_o spring_n of_o the_o air_n which_o they_o fuppose_v be_v either_o a_o impossible_a thing_n or_o they_o must_v for_o its_o defence_n have_v recourse_n to_o the_o hypothesis_n of_o mr._n hobbs_n p._n 23._o quia_fw-la cuticula_fw-la omnis_fw-la etc._n etc._n because_o every_o skin_n be_v make_v up_o of_o small_a thread_n or_o filament_n which_o by_o reason_n of_o their_o figure_n can_v accurate_o touch_v in_o all_o point_n the_o bladder_n therefore_o be_v a_o skin_n must_v be_v pervious_a not_o only_o to_o air_n but_o to_o water_n also_o as_o to_o sweat_v therefore_o of_o the_o air_n beat_v in_o by_o force_n there_o be_v the_o same_o compression_n within_o the_o bladder_n that_o there_o be_v without_o the_o endeavour_n of_o which_o the_o way_n of_o its_o motion_n be_v every_o way_n cross_v tend_v every_o way_n to_o the_o concave_a superficies_n of_o the_o bladder_n wherefore_o it_o be_v of_o necessity_n that_o it_o must_v swell_v every_o way_n and_o the_o vehemency_n of_o the_o endeavour_n increase_v be_v tear_v at_o last_o p._n 26._o intellexti_fw-la etc._n etc._n have_v you_o understand_v my_o hypothesis_n 1._o that_o there_o be_v with_o the_o air_n intersper_v many_o earthy_a particle_n endue_v with_o a_o simple_a circular_a motion_n congenite_fw-la to_o its_o nature_n 2._o that_o there_o be_v a_o great_a quantity_n of_o these_o particle_n in_o the_o air_n that_o be_v near_o the_o earth_n than_o in_o that_o which_o be_v more_o remote_a from_o it_o p._n 27._o neque_fw-la est_fw-la etc._n etc._n nor_o be_v there_o any_o one_o that_o hitherto_o have_v bring_v any_o reason_n why_o it_o may_v not_o be_v so_o p._n 29._o nihil_fw-la etc._n etc._n nothing_o be_v move_v but_o by_o a_o contiguous_a body_n that_o be_v in_o motion_n ibid._n dum_fw-la suctor_n etc._n etc._n while_o the_o sucker_n be_v draw_v back_o by_o how_o much_o a_o great_a place_n be_v leave_v within_o by_o so_o much_o a_o lesser_a place_n be_v leave_v to_o the_o external_a air_n which_o be_v thrust_v backward_o by_o the_o motion_n of_o the_o sucker_n towards_o the_o outmost_a part_n do_v move_v in_o like_a manner_n the_o air_n that_o be_v next_o itself_o and_o that_o air_n the_o next_o and_o so_o forward_o so_o that_o it_o be_v of_o necessity_n at_o last_o that_o the_o air_n must_v be_v compel_v into_o the_o space_n desert_v by_o the_o sucker_n and_o to_o enter_v between_o the_o convex_a and_o surface_n of_o the_o sucker_n and_o the_o concave_n of_o the_o cylinder_n for_o it_o be_v suppose_v that_o the_o part_n of_o the_o air_n be_v infinite_o subtle_a it_o be_v impossible_a but_o they_o shall_v insinuate_v themselves_o that_o way_n by_o which_o the_o sucker_n be_v draw_v down_o for_o first_o the_o contact_n of_o those_o surface_n can_v be_v perfect_a in_o all_o point_n because_o the_o surface_v themselves_o can_v be_v make_v infinite_o smooth_a then_o that_o force_n which_o be_v apply_v to_o draw_v back_o the_o sucker_n do_v distend_v in_o some_o measure_n the_o cavity_n of_o the_o cylinder_n last_o if_o in_o the_o confine_n of_o that_o be_v betwixt_o the_o two_o surface_n any_o one_o single_a hard_a atom_n shall_v enter_v pure_a air_n will_v enter_v at_o the_o same_o way_n although_o with_o a_o weak_a endeavour_n i_o may_v also_o have_v account_v that_o air_n which_o for_o the_o same_o cause_n insinuate_v itself_o through_o the_o valve_n of_o the_o cylinder_n you_o see_v therefore_o the_o consequence_n from_o the_o retraction_n of_o the_o sucker_n to_o the_o be_v of_o a_o empty_a place_n be_v take_v away_o it_o will_v follow_v also_o that_o the_o air_n which_o be_v drive_v up_o into_o the_o place_n desert_v by_o the_o sucker_n because_o it_o be_v drive_v up_o thither_o by_o a_o great_a force_n be_v move_v with_o a_o very_a swift_a and_o circular_a motion_n betwixt_o the_o top_n and_o the_o bottom_n in_o the_o cylinder_n because_o there_o be_v nothing_o there_o that_o can_v weaken_v its_o motion_n and_o you_o know_v that_o there_o be_v nothing_o that_o can_v give_v motion_n to_o its_o own_o self_n or_o diminish_v it_o p._n 39_o haerent_fw-la hic_fw-la etc._n
etc._n here_o our_o man_n be_v at_o a_o stand_n how_o will_v you_o expedite_v this_o difficulty_n a._n i_o have_v do_v it_o already_o for_o the_o air_n be_v beat_v back_o by_o the_o retraction_n of_o the_o sucker_n and_o find_v no_o place_n in_o the_o world_n which_o we_o suppose_v to_o be_v full_a where_o it_o may_v dispose_v itself_o beside_o that_o which_o by_o drive_v out_o other_o body_n from_o their_o place_n it_o may_v make_v for_o itself_o be_v by_o perpetual_a pulsion_n at_o length_n force_v in_o the_o cylinder_n with_o so_o great_a swiftness_n between_o the_o concave_a surface_n of_o the_o cylinder_n and_o the_o convex_a surface_n of_o the_o sucker_n as_o may_v answer_v that_o store_n of_o power_n which_o you_o find_v necessary_a to_o the_o draw_v back_o of_o the_o sucker_n now_o the_o air_n with_o what_o swiftness_n it_o enter_v retain_v the_o same_o within_o and_o then_o distend_v every_o way_n the_o side_n of_o the_o brass_n cylinder_n which_o be_v of_o itself_o elastical_a therefore_o the_o air_n in_o the_o cylinder_n being_n vehement_o move_v endeavour_n or_o thrust_v against_o all_o part_n of_o the_o concave_a surface_n of_o the_o cylinder_n but_o in_o vain_a until_o the_o sucker_n be_v draw_v back_o but_o as_o soon_o as_o the_o sucker_n have_v slip_v the_o hand_n ceases_z to_o make_v its_o impulse_n upon_o the_o air_n that_o air_n which_o be_v before_o drive_v in_o by_o reason_n of_o its_o endeavour_n against_o every_o point_n of_o the_o internal_a superficies_n of_o the_o cylinder_n and_o of_o the_o elastical_a force_n of_o the_o air_n will_v insinuate_v itself_o between_o the_o same_o surface_n with_o the_o same_o swiftness_n as_o that_o by_o which_o it_o be_v impel_v that_o be_v with_o that_o velocity_n which_o answer_v the_o strength_n of_o the_o impulsion_n if_o therefore_o so_o great_a a_o power_n of_o weight_n be_v hang_v upon_o the_o sucker_n as_o may_v answer_v the_o power_n of_o the_o hand_n by_o which_o it_o be_v impulss_v the_o swiftness_n with_o which_o the_o same_o air_n go_v out_o of_o the_o cylinder_n find_v no_o place_n in_o the_o world_n which_o be_v full_a where_o to_o dispose_v itself_o will_v again_o impel_v the_o sucker_n to_o the_o top_n of_o the_o cylinder_n for_o the_o same_o reason_n that_o the_o sucker_n a_o little_a before_o make_v a_o impulse_n upon_o the_o air._n p._n 44._o in_o vas_fw-la etc._n etc._n b._n we_o pour_v water_n into_o a_o open_a vessel_n we_o place_v in_o the_o water_n a_o long_a straight_o slender_a tube_n and_o we_o observe_v that_o the_o water_n do_v ascend_v from_o the_o vessel_n underneath_o into_o the_o erect_a tube_n a._n no_o wonder_n for_o the_o small_a particle_n that_o be_v intersperse_v in_o the_o air_n near_o the_o water_n do_v by_o their_o motion_n beat_v upon_o the_o surface_n of_o the_o water_n so_o that_o the_o water_n must_v of_o necessity_n ascend_v into_o the_o pipe_n and_o that_o sensible_o into_o a_o pipe_n that_o be_v so_o exceed_o slender_a p._n 45._o siquis_fw-la etc._n etc._n if_o any_o one_o after_o the_o frequently-repeated_n impulse_n and_o retraction_n of_o the_o sucker_n endeavour_v to_o draw_v out_o the_o stopple_n of_o the_o upper_a orifice_n of_o the_o receiver_n he_o shall_v find_v it_o gravitates_fw-la very_o much_o as_o if_o a_o weight_n of_o many_o pound_n hang_v upon_o it_o whence_o come_v this_o a._n from_o a_o strong_a circular_a endeavour_n of_o the_o air_n within_o the_o receiver_n make_v by_o the_o violent_a ingress_n of_o the_o air_n between_o the_o convex_a surface_n of_o the_o sucker_n and_o the_o concave_n of_o the_o cylinder_n procure_v by_o the_o repeat_v impulse_n and_o revulsion_n of_o the_o sucker_n which_o you_o improper_o call_v the_o exsuction_n of_o the_o air._n for_o by_o reason_n of_o the_o fullness_n of_o nature_n the_o stopple_n can_v be_v draw_v out_o but_o the_o air_n that_o be_v in_o the_o receiver_n contiguous_a to_o the_o stopple_n must_v be_v draw_v out_o too_o which_o air_n if_o it_o be_v settle_v and_o at_o rest_n the_o stopple_n will_v easy_o be_v draw_v out_o but_o while_o that_o doesmost_o swift_o circulate_a it_o come_v out_o very_o hardly_o that_o be_v it_o seem_v to_o be_v very_o heavy_a b._n very_o likely_a for_o as_o soon_o as_o fresh_a air_n be_v by_o degree_n let_v into_o the_o receiver_n it_o likewise_o by_o degree_n lose_v this_o seem_a gravity_n p._n 47._o vidimus_fw-la etc._n etc._n we_o see_v also_o water_n be_v let_v down_o into_o the_o receiver_n after_o some_o return_n of_o the_o motion_n of_o the_o sucker_n to_o bubble_v so_o as_o if_o it_o have_v boil_v over_o a_o fire_n a._n this_o likewise_o happen_v as_o we_o speak_v by_o reason_n of_o the_o swiftness_n of_o the_o circulate_v air_n unless_o perhaps_o you_o find_v the_o water_n hot_a too_o while_o it_o bubble_n for_o if_o we_o be_v sure_a it_o be_v hot_a we_o must_v find_v out_o some_o other_o cause_n of_o the_o phaenomenon_n b._n we_o be_v certain_a it_o be_v not_o sensible_o hot_a a._n in_o what_o therefore_o can_v the_o great_a or_o lesser_a motion_n of_o the_o atmosphere_n promote_v such_o a_o motion_n as_o this_o b._n i_o suppose_v they_o do_v not_o attribute_v this_o motion_n to_o the_o atmosphere_n p._n 49._o a._n it_o be_v manifest_a from_o this_o experiment_n that_o the_o receiver_n be_v not_o make_v empty_a by_o this_o exsuction_n of_o air_n as_o you_o call_v it_o for_o the_o water_n can_v not_o be_v move_v but_o by_o some_o contiguous_a mover_n that_o be_v itself_o in_o motion_n therefore_o this_o phaenomenon_n seem_v to_o contain_v no_o weak_a demonstration_n of_o my_o hypothesis_n p._n 50._o beside_o tell_v i_o can_v you_o see_v the_o water_n bubble_v in_o that_o manner_n b._n what_o else_o a._n do_v not_o your_o associate_n grant_v that_o vision_n be_v make_v by_o a_o continue_a action_n from_o the_o object_n unto_o the_o eye_n do_v they_o not_o also_o think_v action_n to_o be_v motion_n and_o all_o motion_n to_o be_v of_o some_o body_n how_o therefore_o can_v the_o motion_n be_v derive_v from_o the_o object_n the_o water_n unto_o your_o eye_n through_o a_o vacuum_n that_o be_v somewhat_o that_o be_v not_o a_o body_n b._n our_o friend_n do_v not_o affirm_v the_o recipient_a to_o be_v so_o empty_a that_o no_o air_n at_o all_o be_v leave_v a._n no_o matter_n whether_o the_o receiver_n be_v whole_o or_o for_o the_o great_a part_n empty_a for_o which_o ever_o you_o suppose_v the_o derivation_n of_o the_o motion_n from_o the_o object_n to_o the_o eye_n will_v be_v intercept_v b._n it_o may_v be_v so_o i_o can_v tell_v what_o to_o answer_v p._n 51._o credin_n '_o tu_o etc._n etc._n do_v you_o think_v these_o animal_n be_v therefore_o so_o quick_o kill_v because_o they_o want_v air_n how_o then_o do_v they_o who_o make_v a_o trade_n of_o dive_v live_v under_o water_n of_o who_o there_o be_v some_o who_o be_v accustom_v from_o their_o childhood_n have_v want_v air_n a_o whole_a hour_n no._n thatmost_a vehement_a motion_n by_o which_o bladder_n shut_v therein_o be_v distend_v and_o break_v kill_v these_o animal_n shut_v up_o in_o the_o receiver_n ibid._n ego_fw-la contra_fw-la etc._n etc._n i_o on_o the_o contrary_n think_v that_o neither_o the_o air_n can_v be_v suck_v out_o nor_o that_o the_o animal_n will_v so_o soon_o die_v if_o it_o be_v suck_v out_o the_o action_n indeed_o to_o which_o this_o death_n be_v a_o consequent_a may_v seem_v either_o a_o certain_a suction_n and_o so_o that_o the_o animal_n be_v kill_v by_o the_o exsuction_n of_o the_o include_v air_n its_o respiration_n be_v take_v away_o or_o a_o compulsion_n of_o the_o air_n from_o all_o part_n towards_o the_o centre_n of_o the_o spherical_a glass_n in_o which_o the_o animal_n be_v enclose_v and_o so_o may_v be_v see_v to_o die_v stifle_v by_o the_o tenacity_n of_o the_o compress_v air_n as_o it_o be_v with_o water_n the_o air_n more_o tenacious_a than_o usual_a be_v draw_v into_o the_o inward_o of_o the_o lung_n and_o there_o between_o the_o pulmonary_a artery_n and_o vein_n stop_v the_o course_n of_o the_o blood_n p._n 53._o placet_fw-la etc._n etc._n your_o hypothesis_n please_v i_o better_o than_o that_o of_o the_o spring_n of_o the_o air_n for_o from_o its_o truth_n depend_v the_o truth_n of_o a_o vacuum_n or_o a_o plenum_fw-la but_o from_o the_o truth_n of_o that_o nothing_o follow_v on_o either_o part_n of_o the_o question_n the_o make_v of_o the_o air_n say_v he_o be_v like_o that_o of_o compress_a wool_n well_o wool_n be_v make_v of_o hair_n or_o thread_n right_a but_o of_o what_o figure_n if_o of_o a_o parallelopipedon_n there_o can_v be_v no_o compression_n of_o part_n if_o not_o of_o a_o parallelopipedon_n there_o will_v be_v betwixt_o the_o hair_n certain_a space_n leave_v which_o if_o they_o be_v empty_a they_o suppose_v
some_o place_n empty_a to_o prove_v that_o a_o vacuum_n be_v possible_a if_o full_a they_o say_v that_o be_v full_a which_o they_o suppose_v to_o be_v empty_a p._n 56._o fuere_fw-la etc._n etc._n there_o be_v some_o of_o they_o that_o say_v there_o remain_v in_o those_o coal_n though_o they_o seem_v extinguish_v some_o fiery_a particle_n which_o be_v blow_v up_o by_o the_o air_n upon_o its_o admission_n do_v re-kindle_a the_o rest_n of_o the_o mass_n ibid._n nae_n etc._n etc._n in_o good_a faith_n they_o seem_v not_o so_o much_o as_o to_o have_v consider_v what_o they_o shall_v speak_v as_o to_o have_v take_v it_o up_o at_o all_o adventure_n do_v you_o believe_v that_o in_o a_o kindle_a coal_n there_o be_v any_o part_n which_o be_v not_o a_o coal_n but_o fire_n or_o in_o a_o red-hot_a iron_n there_o be_v any_o part_n that_o be_v not_o iron_n but_o fire_n a_o great_a city_n may_v be_v set_v on_o fire_n by_o one_o spark_n now_o if_o the_o body_n of_o fire_n be_v different_a from_o the_o thing_n fire_v there_o can_v be_v no_o more_o part_n of_o fire_n in_o the_o whole_a town_n on_o fire_n than_o that_o one_o spark_n we_o see_v body_n of_o divers_a kind_n may_v be_v set_v on_o fire_n by_o the_o light_n of_o the_o sun_n as_o well_o by_o the_o refraction_n as_o the_o reflection_n that_o be_v make_v in_o burning-glass_n and_o yet_o i_o do_v not_o believe_v that_o there_o be_v any_o man_n think_v that_o particle_n of_o fire_n dart_v from_o the_o sun_n can_v pass_v through_o the_o substance_n of_o a_o crystal_n globe_n and_o in_o the_o air_n between_o the_o sun_n and_o the_o globe_n there_o be_v no_o fire_n p._n 58._o when_o be_v it_o that_o we_o may_v true_o say_v of_o a_o man_n that_o he_o be_v dead_a or_o which_o be_v the_o same_o have_v expire_v his_o soul_n for_o it_o have_v be_v know_v that_o some_o man_n who_o have_v be_v take_v for_o dead_a be_v bring_v out_o the_o next_o day_n revive_v a._n it_o be_v hard_o to_o determine_v the_o point_n of_o time_n in_o which_o the_o soul_n be_v separate_v from_o the_o body_n proceed_v therefore_o to_o other_o experiment_n p._n 59_o si_fw-mi acus_fw-la etc._n etc._n if_o a_o needle_n excite_v by_o a_o loadstone_n hang_v free_o within_o the_o receiver_n it_o will_v nevertheless_o follow_v the_o motion_n of_o the_o iron_n which_o be_v draw_v about_o without_o the_o receiver_n so_o object_n put_v within_o will_v be_v see_v by_o those_o that_o be_v without_o and_o sound_v make_v within_o will_v be_v hear_v without_o all_o these_o as_o well_o after_o as_o before_o the_o exsuction_n of_o the_o air_n except_o that_o the_o sound_n be_v somewhat_o more_o weak_o hear_v after_o than_o before_o b._n these_o be_v most_o manifest_a sign_n that_o the_o receiver_n be_v always_o full_a and_o that_o the_o air_n can_v thence_o be_v suck_v out_o that_o the_o sound_n thence_o be_v more_o weak_a to_o one_o hearing_n be_v a_o sign_n of_o the_o consistence_n of_o the_o air_n for_o the_o consistence_n of_o the_o air_n be_v diametrical_o opposite_a from_o its_o motion_n p._n 61._o quia_fw-la nihil_fw-la etc._n etc._n because_o there_o be_v nothing_o there_o that_o the_o weight_n of_o the_o atmosphere_n shall_v do_v no_o more_o strong_a or_o evident_a argument_n can_v be_v make_v against_o a_o vacuum_n than_o this_o experiment_n for_o if_o of_o two_o coherent_a marble_n either_o of_o they_o shall_v be_v thrust_v forward_o that_o way_n that_o their_o surface_n lie_v contiguous_a they_o will_v easy_o be_v sever_v the_o neighbour_a air_n successive_o flow_v into_o the_o desert_a place_n but_o so_o to_o pull_v they_o asunder_o that_o at_o one_o time_n they_o shall_v lose_v their_o whole_a contact_n be_v impossible_a the_o world_n be_v full_a for_o then_o either_o motion_n must_v be_v make_v from_o one_o term_n to_o another_o in_o a_o instant_n or_o two_o body_n at_o the_o same_o time_n must_v be_v in_o the_o same_o place_n to_o say_v either_o of_o which_o be_v absurd_a p._n 62._o confitentur_fw-la etc._n etc._n they_o themselves_o and_o all_o other_o confess_v that_o all_o ponderation_n be_v a_o endeavour_n every_o way_n by_o right_a line_n unto_o the_o centre_n of_o the_o earth_n and_o so_o that_o it_o be_v make_v not_o by_o the_o figure_n of_o a_o cylinder_n or_o column_n but_o by_o a_o pyramid_n who_o top_n be_v the_o centre_n of_o the_o earth_n and_o who_o basis_n be_v part_n of_o the_o surface_n of_o the_o atmosphere_n ibid._n conatus_fw-la etc._n etc._n therefore_o the_o endeavour_n of_o all_o the_o point_v that_o ponderate_a will_v be_v propagate_v to_o the_o surface_n of_o the_o upper_a marble_n before_o it_o can_v be_v propagate_v further_o suppose_v to_o the_o earth_n p._n 64._o have_v etc._n etc._n these_o scale_n he_o put_v one_o upon_o another_o and_o draw_v out_o the_o air_n and_o then_o be_v they_o keep_v so_o compress_v and_o unite_v by_o the_o gravity_n of_o the_o external_a air_n that_o six_o strong_a man_n can_v pull_v they_o asunder_o but_o if_o at_o length_n by_o the_o use_n of_o utmost_a endeavour_n they_o be_v pluck_v in_o sunder_o they_o make_v a_o noise_n equal_a to_o the_o report_n of_o a_o musket_n but_o as_o soon_o as_o ever_o by_o the_o stop-cock_n open_v there_o be_v the_o least_o entrance_n give_v to_o the_o air_n they_o be_v sever_v of_o their_o own_o accord_n p._n 65._o sed_fw-la vis_fw-la etc._n etc._n but_o can_v the_o spring_n which_o they_o say_v be_v in_o the_o air_n confer_v nothing_o to_o the_o hold_v up_o the_o marble_n nothing_o at_o all_o for_o there_o be_v no_o endeavour_n of_o the_o air_n to_o the_o centre_n of_o the_o earth_n more_o than_o to_o any_o other_o point_n in_o the_o universe_n for_o see_v that_o heavy_a thing_n tend_v from_o the_o circumference_n of_o the_o atmosphere_n unto_o the_o centre_n of_o the_o earth_n and_o thence_o again_o to_o the_o circumference_n of_o the_o atmosphere_n by_o the_o same_o reflect_a line_n the_o endeavour_n upward_o will_v be_v equal_a to_o the_o endeavour_n downward_o and_o so_o destroy_v one_o another_o they_o will_v endeavour_v neither_o way_n p._n 66._o non_fw-la potest_fw-la ergo_fw-la pars_fw-la bc_n etc._n etc._n therefore_o the_o part_n bc_n that_o be_v a_o part_n of_o the_o atmosphere_n place_v any_o where_o within_o the_o whole_a can_v by_o reason_n of_o its_o greatness_n descend_v although_o it_o be_v heavy_a and_o therefore_o it_o can_v press_v or_o gravitate_fw-la ibid._n si_fw-mi possibile_fw-la etc._n etc._n if_o i_o shall_v deny_v it_o possible_a that_o by_o the_o art_n of_o man_n two_o furface_n of_o two_o body_n can_v be_v make_v so_o accurate_o fit_a that_o they_o shall_v touch_v in_o all_o point_n so_o that_o there_o can_v no_o creable_a corpuscle_n pass_v between_o they_o i_o do_v not_o see_v how_o they_o can_v defend_v their_o own_o hypothesis_n or_o disprove_v our_o negative_a assertion_n ibid._n utraque_fw-la etc._n etc._n both_o these_o fancy_n as_o well_o that_o of_o the_o weight_n as_o of_o the_o spring_n or_o antitupy_v of_o the_o air_n be_v dream_n but_o if_o it_o be_v grant_v that_o there_o be_v a_o kind_n of_o recoil_n in_o those_o small_a hair_n or_o slender_a corpuscle_n of_o which_o the_o air_n consist_v one_o may_v inquire_v whence_o it_o be_v that_o those_o crooked_a body_n settle_a and_o at_o quiet_a in_o that_o posture_n come_v to_o be_v move_v into_o a_o straightness_n they_o ought_v if_o they_o will_v be_v esteem_v natural_a philosopher_n to_o assign_v some_o possible_a cause_n of_o this_o p._n 67._o cur_n non_fw-la etc._n etc._n why_o can_v the_o water_n which_o when_o it_o be_v inject_v do_v compress_v the_o particle_n of_o air_n be_v again_o cast_v out_o by_o the_o same_o particle_n explicate_v themselves_o a._n because_o when_o explicate_v they_o require_v no_o great_a place_n than_o when_o compress_v as_o in_o a_o vessel_n full_a of_o water_n wherein_o be_v many_o eel_n the_o same_o proportion_n of_o place_n receive_v they_o whether_o they_o be_v fold_v round_o or_o at_o length_n therefore_o they_o can_v drive_v up_o the_o water_n by_o their_o spring_n which_o be_v nothing_o else_o but_o the_o motion_n of_o body_n explicate_v themselves_o b._n the_o comparison_n of_o air_n to_o eel_n in_o water_n i_o suppose_v will_v be_v well_o receive_v by_o our_o academian_o p._n 68_o vides_fw-la etc._n etc._n you_o see_v how_o foolish_a a_o thing_n it_o be_v to_o bring_v for_o the_o explication_n of_o such_o effect_n metaphorical_a word_n as_o the_o shun_v of_o a_o vacuum_n the_o ahhorrence_n of_o nature_n etc._n etc._n which_o heretofore_o the_o school_n use_v to_o defend_v their_o reputation_n ibid._n in_o the_o gardener_n watering-pot_n therefore_o be_v the_o water_n suspend_v because_o that_o which_o issue_v out_o at_o so_o small_a a_o hole_n be_v so_o little_a that_o it_o can_v diffuse_v itself_o to_o
such_o a_o length_n that_o by_o its_o descent_n it_o may_v give_v passage_n to_o the_o air_n through_o the_o circumference_n of_o the_o hole_n nor_o can_v the_o air_n drive_v off_o by_o the_o water_n go_v out_o find_v any_o other_o place_n beside_o that_o which_o the_o water_n leave_v p._n 69._o qui_fw-la per_fw-la etc._n etc._n he_o that_o suck_v water_n into_o his_o mouth_n by_o a_o pipe_n first_o suck_v up_o the_o air_n between_o whereby_o he_o remove_v the_o distend_v external_a air_n which_o be_v remove_v the_o world_n be_v full_a it_o can_v have_v no_o place_n but_o by_o remove_v the_o next_o and_o so_o by_o continual_a pulsion_n the_o water_n be_v at_o length_n drive_v into_o the_o pipe_n and_o do_v fuccee_v the_o air_n which_o be_v suck_v out_o p._n 72._o id_fw-la vero_fw-la etc._n etc._n but_o that_o be_v impossible_a for_o in_o a_o siphon_n unless_o both_o leg_n be_v fill_v with_o water_n the_o water_n will_v not_o ascend_v out_o of_o the_o basin_n the_o cause_n of_o its_o ascent_n into_o that_o cloth_n be_v the_o motion_n of_o the_o earthy_a atom_n which_o be_v near_o the_o water_n i_o say_v the_o simple_a circular_a motion_n communicate_v to_o the_o air_n in_o which_o they_o move_v which_o atom_n strike_v the_o water_n beat_v it_o up_o into_o the_o woolly_a matter_n which_o beat_v of_o they_o against_o the_o cloth_n make_v it_o more_o and_o more_o moist_a till_o it_o become_v all_o over_o wet_a and_o when_o it_o be_v so_o etc._n etc._n p._n 73._o a._n fateris_fw-la etc._n etc._n you_o confess_v then_o that_o your_o collegiate_n have_v as_o yet_o in_o nothing_o advance_v the_o knowledge_n of_o natural_a cause_n but_o that_o one_o of_o they_o have_v find_v out_o a_o engine_n in_o which_o there_o may_v be_v such_o a_o motion_n of_o the_o air_n excite_v that_o the_o part_n of_o the_o sphere_n may_v together_o every_o way_n tend_v unto_o the_o centre_n and_o that_o the_o hypothesis_n of_o mr._n hobbs_n before_o probable_a enough_o may_v be_v thence_o make_v more_o probable_a b._n right_o i_o be_o not_o ashamed_a to_o confess_v it_o for_o it_o be_v somewhat_o to_o arrive_v so_o far_o if_o we_o can_v make_v no_o further_o progress_n a._n why_o so_o far_o to_o what_o end_n such_o preparation_n and_o charge_n for_o engine_n difficult_a to_o be_v make_v to_o make_v no_o further_o discovery_n than_o mr._n hobbs_n have_v make_v before_o you_o why_o do_v you_o not_o rather_o begin_v where_o he_o end_v why_o do_v you_o not_o use_v the_o principle_n he_o have_v lay_v and_o when_o aristotle_n have_v right_o say_v that_o without_o the_o knowledge_n of_o motion_n there_o be_v no_o knowledge_n of_o nature_n how_o dare_v you_o take_v such_o a_o task_n upon_o yourselves_o ibid._n est_fw-la etc._n etc._n thus_o to_o have_v make_v a_o entrance_n though_o we_o miss_v of_o further_a progress_n some_o performance_n be_v p._n 75._o but_o most_o of_o we_o distinguish_v the_o nature_n of_o fluid_a from_o that_o which_o be_v not_o fluid_a by_o the_o greatness_n of_o the_o part_n of_o which_o any_o body_n consist_v and_o be_v make_v up_o with_o wherefore_o we_o do_v not_o only_o look_v upon_o air_n water_n and_o all_o liquor_n but_o upon_o ash_n also_o and_o dust_n as_o fluid_a body_n and_o we_o deny_v not_o that_o fluid_a thing_n may_v be_v make_v of_o thing_n not_o fluid_a for_o we_o do_v not_o digest_v the_o notion_n of_o infinite_a divisibility_n a._n infinite_a division_n can_v be_v conceive_v but_o infinite_a divisibility_n may_v easy_o i_o on_o the_o contrary_n do_v not_o understand_v the_o distinction_n of_o fluids_n and_o not_o fluids_n which_o you_o take_v from_o the_o greatness_n of_o the_o part_n can_v i_o digest_v this_o i_o must_v say_v the_o ruin_n of_o shatter_a rubbish_n stone_n that_o lie_v in_o paul_n be_v fluid_v but_o if_o those_o ruin_n can_v be_v call_v fluid_a because_o the_o stone_n be_v too_o big_a define_v i_o the_o bigness_n that_o the_o part_n of_o a_o ruine_a wall_n must_v have_v that_o they_o may_v be_v call_v fluid_fw-la but_o you_o that_o can_v understand_v infinite_a divisibility_n tell_v i_o what_o you_o think_v to_o be_v the_o cause_n why_o i_o shall_v think_v it_o more_o hard_a for_o almighty_a god_n to_o create_v a_o fluid_a body_n less_o than_o any_o atom_n propose_v that_o its_o part_n may_v actual_o flow_v than_o to_o create_v the_o ocean_n therefore_o you_o make_v i_o despair_v of_o any_o fruit_n of_o your_o meeting_n by_o say_v that_o they_o think_v air_n water_n and_o other_o fluid_n consist_v of_o non-fluids_a as_o if_o a_o wall_n that_o begin_v to_o fall_v and_o be_v ruinous_a be_v call_v by_o they_o a_o fluid_a body_n if_o they_o may_v speak_v so_o every_o thing_n be_v fluid_a for_o even_o marble_n itself_o may_v be_v break_v into_o part_n less_o than_o any_o atom_n imagine_v by_o epicurus_n p._n 79._o ruina_fw-la etc._n etc._n the_o ruin_n that_o lie_v in_o paul_n church_n may_v be_v call_v fluid_fw-la ibid._n si_fw-mi sic_fw-la etc._n etc._n if_o they_o may_v so_o speak_v there_o be_v nothing_o but_o be_v fluid_a for_o even_o marble_n may_v be_v beat_v into_o part_n less_o than_o any_o epicurean_a atom_n p._n 80._o divisio_fw-la etc._n etc._n division_n that_o be_v infinite_a can_v be_v conceive_v divisibility_n may_v easy_o p._n 81_o 82._o quia_fw-la corpuscula_fw-la etc._n etc._n but_o the_o corpuscle_n such_o as_o be_v the_o atom_n suppose_v by_o lucretius_n and_o also_o by_o mr._n hobbs_n be_v hard_o before_o may_v be_v easy_o compact_v by_o any_o of_o the_o mention_a cause_n so_o that_o it_o be_v not_o to_o be_v doubt_v but_o that_o the_o whole_a to_o be_v make_v of_o those_o corpuscle_n will_v be_v hard_a ibid._n si_fw-mi dura_fw-la etc._n etc._n if_o hard_a body_n be_v make_v out_o of_o part_n original_o hard_a why_o be_v not_o fluid_a body_n make_v of_o part_n original_o fluid_a can_v great_a fluid_n as_o the_o aether_n be_v create_v and_o can_v not_o small_a one_o he_o that_o first_o make_v a_o body_n hard_a or_o fluid_a can_v if_o he_o will_v have_v make_v it_o great_a or_o less_o than_o any_o other_o propose_v body_n now_o if_o a_o fluid_a body_n be_v make_v of_o part_n not_o fluid_a as_o you_o speak_v and_o hard_a body_n only_o from_o hard_a part_n do_v it_o not_o follow_v that_o nothing_o neither_o fluid_a nor_o hard_a be_v make_v of_o original_a fluid_n p._n 84._o b._n quaenam_fw-la etc._n etc._n what_o be_v the_o principle_n of_o fluidity_n and_o firmness_n a._n of_o fluidity_n nothing_o but_o rest_n of_o firmness_n motion_n such_o as_o be_v fit_a to_o produce_v that_o effect_n by_o rest_n i_o understand_v the_o rest_n of_o two_o part_n one_o with_o another_o when_o they_o each_o touch_n but_o neither_o press_v one_o another_o for_o entire_a body_n of_o fluid_n may_v be_v in_o motion_n their_o fluidity_n abide_v and_o hard_a body_n be_v at_o rest_n although_o their_o part_n be_v in_o motion_n p._n 85._o atque_fw-la binc_fw-la etc._n etc._n and_o hence_o it_o be_v manifest_a that_o there_o be_v a_o great_a compression_n in_o the_o air_n so_o move_v and_o shut_v up_o namely_o so_o great_a as_o that_o force_n by_o which_o it_o be_v drive_v in_o be_v able_a to_o make_v and_o also_o that_o from_o so_o great_a compression_n some_o degree_n of_o consistence_n must_v be_v make_v though_o less_o than_o that_o of_o the_o consistence_n of_o water_n now_o if_o in_o all_o the_o same_o particle_n of_o air_n beside_o the_o motion_n by_o which_o one_o press_v another_o there_o be_v also_o the_o simple_a circular_a motion_n and_o that_o vehement_a enough_o it_o will_v be_v almost_o impossible_a any_o one_o of_o they_o shall_v be_v move_v from_o its_o little_a circle_n but_o that_o the_o other_o particle_n resist_v the_o whole_a will_v be_v press_v together_o that_o be_v become_v hard_o for_o that_o be_v hard_a of_o which_o no_o part_n give_v place_n but_o upon_o the_o motion_n of_o the_o whole_a you_o see_v therefore_o that_o hardness_n may_v be_v make_v in_o a_o most_o fluid_a body_n by_o this_o simple_a circular_a motion_n of_o particle_n which_o be_v before_o impart_v to_o they_o by_o two_o contrary_a motion_n p._n 86._o atque_fw-la talis_fw-la etc._n etc._n and_o such_o indeed_o may_v be_v the_o cause_n of_o the_o durum_fw-la primum_fw-la or_o first_o hard_a body_n but_o of_o the_o second_o that_o be_v of_o the_o cohesion_n of_o two_o of_o these_o first_o hard_a body_n the_o cause_n may_v be_v the_o very_a same_o simple_a circular_a motion_n conjoin_v with_o their_o superficial_a contact_n or_o perhaps_o their_o be_v one_o with_o another_o intricate_v ibid._n si_fw-mi supponamus_fw-la etc._n etc._n if_o we_o suppose_v with_o they_o that_o the_o cause_n of_o hardness_n be_v the_o greatness_n or_o thickness_n of_o the_o part_n what_o reason_n can_v we_o give_v why_o congeal_a water_n
shall_v be_v hard_a or_o firm_a than_o the_o same_o water_n be_v before_o such_o congelation_n p._n 87._o ut_fw-la sit_fw-la etc._n etc._n that_o it_o be_v conceivable_a that_o be_v not_o absurd_a and_o that_o from_o its_o be_v grant_v the_o necessity_n of_o the_o phaenomenon_n may_v be_v infer_v p._n 88_o qui_fw-la etc._n etc._n they_o which_o put_v body_n to_o body_n show_v the_o new_a and_o admirable_a work_n of_o nature_n do_v wonderful_o inflame_v the_o mind_n of_o man_n with_o the_o love_n of_o philosophy_n and_o do_v not_o a_o little_a instigate_v they_o unto_o the_o search_n of_o cause_n and_o on_o that_o account_n be_v worthy_a of_o commendation_n true_a for_o they_o enrich_v natural_a history_n without_o which_o natural_a science_n be_v in_o vain_a seek_v for_o a_o summary_n of_o the_o content_n of_o the_o several_a chapter_n chap._n i._n the_o occasion_n and_o scope_n of_o the_o present_a treatise_n reason_n why_o mr._n hobbs_n may_v have_v employ_v himself_o otherwise_o and_o have_v spare_v this_o discourse_n p._n 2._o why_o the_o author_n will_v have_v be_v content_v he_o have_v do_v so_o ibid._n why_o he_o now_o undertake_v the_o reply_n p._n 3._o chap._n ii_o of_o some_o mistake_n of_o mr._n hobbs_n touch_v matter_n of_o fact_n and_o the_o author_n doctrine_n that_o he_o mistake_v in_o ascribe_v the_o explication_n and_o experiment_n in_o the_o physicomechanical_a treatise_n of_o the_o society_n at_o gresham_n college_n p._n 3._o the_o experiment_n have_v be_v see_v do_v long_o and_o the_o book_n publish_v before_o the_o society_n begin_v etc._n etc._n p._n 4._o that_o the_o experiment_n be_v not_o devise_v nor_o employ_v to_o prove_v a_o vacuum_n ibid._n whether_o mr._n hobbs_n by_o the_o experiment_n of_o the_o gardener_n watering-pot_n demonstrate_v that_o there_o can_v be_v no_o vacuum_n p._n 5._o that_o if_o the_o watering-pot_n be_v tall_a enough_o the_o water_n will_v run_v out_o with_o unstop_v the_o upper_a orifice_n prove_v by_o m._n paschal_n experiment_n p._n 6._o the_o way_n of_o argument_n on_o both_o side_n compare_v p._n 7_o 8._o why_o the_o author_n do_v not_o assign_v the_o cause_n of_o spring_n p._n 9_o that_o mr._n hobbs_n his_o account_n of_o spring_n be_v imperfect_a and_o that_o he_o have_v not_o solve_v the_o phaenomena_n of_o they_o p._n 10_o 11_o 12_o 13._o that_o he_o mistake_v the_o author_n notion_n of_o the_o air_n p._n 14._o 15._o chap._n iii_o wherein_o the_o weight_n and_o spring_n of_o the_o air_n be_v assert_v against_o mr._n hobbs_n several_a experiment_n recite_v that_o prove_v the_o real_a weight_n of_o the_o air_n p._n 16_o 17._o mr._n hobbs_n objection_n against_o the_o experiment_n of_o the_o heaviness_n of_o a_o blow_a bladder_n p._n 17_o 18._o answer_v p._n 19_o the_o spring_n of_o the_o air_n assert_v from_o mr._n hobbs_n concession_n p._n 20_o 21_o the_o same_o assert_v by_o particular_a experiment_n p._n 22_o 23._o mr._n hobbs_n his_o answer_n to_o that_o of_o the_o bladder_n consider_v p._n 23_o 24._o experiment_n of_o the_o spring_n of_o the_o air_n not_o compress_v p._n 25._o chap._n iu._n wherein_o mr._n hobbs_n his_o principal_a explication_n of_o the_o author_n phaenomena_n be_v examine_v what_o thing_n mr._n hobbs_n take_v for_o grant_v p._n 26._o his_o hypothesis_n consider_v of_o the_o simple_a circular_a motion_n whether_o it_o be_v not_o precarious_o ascribe_v to_o aqueous_a and_o earthy_a particle_n p._n 27_o 28._o whether_o in_o the_o exhaustion_n of_o the_o cylinder_n any_o vacuum_n be_v produce_v p._n 29_o 30_o 31._o experiment_n to_o prove_v that_o the_o glass_n be_v in_o great_a part_n devoid_a of_o common_a air_n p._n 31_o 32._o whether_o a_o pure_a sort_n of_o air_n may_v unperceived_a dive_v under_o water_n to_o pass_v into_o the_o receiver_n betwixt_o the_o cylinder_n and_o the_o suker_n p._n 33_o 34._o that_o the_o cartesian_a way_n of_o explicate_v this_o phaenomenon_n in_o favour_n of_o the_o plenist_n be_v more_o plausible_a than_o mr._n hobbs_n p._n 35._o whether_o the_o place_n desert_v by_o the_o suspend_v mercury_n in_o the_o torricellian_a experiment_n be_v empty_a or_o full_a of_o air_n p._n 37_o 38._o mr._n hobbs_n explication_n of_o that_o experiment_n of_o mr._n boyle_n in_o which_o the_o air_n impell_v up_o the_o sucker_n together_o with_o above_o 100_o pound_n weight_n p._n 39_o 40._o the_o examination_n of_o this_o explication_n p._n 41_o 42._o chap._n v._n in_o which_o divers_a scatter_a explication_n and_o other_o passage_n in_o mr._n hobbs_n dialogue_n be_v examine_v his_o explication_n why_o water_n without_o visible_a force_n ascend_v in_o a_o slender_a pipe_n consider_v p._n 44_o 45._o why_o the_o stopple_n of_o the_o cover_n of_o the_o exhaust_a receiver_n so_o much_o gravitates_fw-la consider_v p._n 46._o his_o explication_n and_o the_o author_n why_o in_o the_o exhaust_v of_o the_o receiver_n water_n let_v down_o into_o it_o boil_v as_o it_o be_v or_o bubble_n there_o view_v and_o compare_v p._n 47_o 48_o whether_o the_o phaenomenon_n of_o this_o water_n bubble_v in_o the_o receiver_n be_v a_o evidence_n that_o there_o be_v no_o vacuity_n in_o the_o receiver_n p._n 49_o 50._o whether_o animal_n in_o the_o exhaust_a receiver_n die_v for_o want_n of_o air_n or_o for_o the_o cause_n assign_v by_o mr._n hobbs_n p._n 51_o 52._o that_o the_o author_n assert_v not_o the_o proof_n of_o a_o vacuum_n or_o plenum_fw-la to_o depend_v on_o the_o hypothesis_n of_o the_o spring_n of_o the_o air_n p._n 53._o that_o the_o air_n in_o the_o exhaust_a receiver_n be_v not_o thick_a but_o thin_a not_o heavy_a but_o light_a prove_v by_o experiment_n p._n 54_o 55._o the_o epicurean_a hypothesis_n of_o fire_n and_o the_o effect_n of_o the_o sunbeam_n through_o burning-glass_n p._n 57_o whether_o he_o deserve_v a_o censure_n that_o call_v kindle_v coal_n fire_n p._n 58._o chap._n vi_o wherein_o other_o passage_n of_o mr._n hobbs_n dialogue_n that_o concern_v the_o author_n be_v examine_v that_o the_o experiment_n of_o the_o needle_n be_v motion_n in_o the_o exhaust_a receiver_n and_o of_o sound_n be_v audible_a and_o object_n visible_a there_o be_v reconcilable_a to_o the_o doctrine_n of_o the_o atomist_n p._n 59_o whether_o from_o the_o cohesion_n of_o two_o marble_n the_o non_fw-la existence_n of_o a_o vacuum_n follow_v p._n 60_o 61._o how_o the_o low_a marble_n be_v uphold_v p._n 62_o 63._o the_o power_n of_o the_o oblique_a pressure_n of_o the_o air_n to_o these_o effect_n illustrate_v by_o experiment_n p._n 64._o whether_o the_o throw_v up_o of_o water_n in_o the_o glass_n fountain_n invent_v by_o vincenzo_n vincenti_fw-la of_o urbino_n can_v be_v explicate_v by_o the_o spring_n of_o the_o air_n p._n 67_o 68_o mr_n hobbs_n explication_n of_o the_o cause_n of_o water_n be_v suspend_v in_o a_o gardener_n watering-pot_n examine_v p._n 69._o a_o experiment_n purposely_o devise_v to_o show_v that_o both_o vacuist_n and_o plenist_n shall_v admit_v a_o elastical_a power_n in_o the_o air_n p._n 70_o 71._o mr._n hobbs_n correction_n of_o the_o author_n discourse_n about_o the_o ascension_n of_o water_n in_o siphons_n and_o filtre_n animadvert_v p._n 72._o some_o unhandsome_a passage_n and_o such_o as_o show_v the_o unequal_a estimation_n mr._n hobbs_n have_v of_o his_o own_o and_o other_o preformance_n in_o philosophy_n p._n 73_o 74._o what_o part_n of_o mr._n hobbs_n treatise_n and_o why_o pass_v by_o without_o censure_n by_o the_o author_n p._n 75._o chap._n vii_o be_v a_o appendix_n to_o the_o past_a discourse_n wherein_o be_v examine_v what_o mr._n hobbs_n teach_v concern_v fluidity_n and_o firmness_n mr._n hobbs_n mistake_v and_o so_o misreport_v the_o author_n doctrine_n of_o the_o cause_n of_o fluidity_n p._n 77._o his_o animadversion_n on_o the_o doctrine_n consider_v p._n 78_o 79._o whether_o fluid_a body_n be_v make_v from_o part_n original_o fluid_a or_o from_o small_a solid_n in_o motion_n etc._n etc._n p._n 79_o 80_o 81._o mr._n hobbs_n theory_n of_o fluidity_n and_o firmness_n examine_v p._n 81_o 82_o etc._n etc._n what_o influence_n therein_o his_o simple_a circular_a motion_n may_v have_v consider_v p._n 82_o 83._o that_o there_o be_v a_o three_o requisite_a of_o a_o good_a hypothesis_n viz._n that_o it_o be_v not_o inconsistent_a with_o any_o truth_n or_o phaenomenon_n of_o nature_n p._n 84._o that_o mr_n hobbs_n his_o hypothesis_n want_v this_o requisite_a prove_v by_o reference_n p._n 85._o by_o instance_n out_o of_o ordinary_a not_o elaborate_a experiment_n p._n 86._o the_o conclusion_n to_o the_o reader_n p._n 88_o finis_fw-la a_o catalogue_n of_o all_o the_o philosophical_a work_n publish_v by_o our_o author_n *_o new_a physicomechanical_a experiment_n concern_v the_o weight_n and_o spring_n of_o the_o air_n publish_v in_o english_a anno_fw-la dom._n 1660._o *_o a_o continuation_n of_o they_o part_v i._o 1669._o *_o the_o defence_n of_o the_o
new_a experiment_n etc._n etc._n against_o franciscus_n linus_n the_o examen_fw-la of_o the_o physical_a dialogue_n of_o thomas_n hobbs_n concern_v the_o air._n these_o two_o be_v publish_v a._n d._n 1661._o *_o the_o sceptical_a chemist_n 1661._o *_o physiological_a essay_n together_o with_o the_o history_n of_o fluidity_n and_o firmness_n and_o some_o other_o tract_n print_v 1662._o *_o the_o experimental_a history_n of_o colour_n begin_v a._n 1663._o concern_v the_o usefulness_n of_o experimental_a philosophy_n the_o first_o tome_n a._n 1664._o the_o second_o tome_n be_v print_v 1669._o *_o a_o tract_n concern_v the_o origin_n of_o form_n and_o quality_n 1666._o though_o this_o tract_n be_v turn_v into_o latin_a divers_a year_n before_o the_o geneulan_n collection_n be_v publish_v yet_o be_v omit_v therein_o whence_o it_o appear_v that_o the_o publisher_n be_v not_o very_o cautious_a who_o affirm_v in_o his_o preface_n that_o all_o mr._n boyle_n work_n be_v contain_v in_o that_o volume_n the_o experimental_a history_n of_o cold_a begin_v to_o which_o be_v subjoin_v a_o dissertation_n concern_v antiperistasis_n together_o with_o a_o examen_fw-la of_o mr._n hobbs_n doctrine_n about_o cold_a 1665._o *_o hydrostatical_a paradox_n 1666._o *_o the_o origin_n of_o form_n and_o quality_n the_o second_o edition_n to_o which_o be_v annex_v a_o dissertation_n concern_v subordinate_a form_n 1671._o *_o tract_n concern_v the_o cosmical_a quality_n of_o thing_n cosmical_a suspicion_n the_o temper_n of_o the_o marine_a region_n the_o temper_n of_o the_o subterranean_a region_n and_o of_o the_o bottom_n of_o the_o sea_n 1671._o *_o a_o essay_n concern_v the_o origin_n and_o virtue_n of_o gem_n 1672._o a_o tract_n contain_v new_a experiment_n between_o flame_n and_o air_n together_o with_o a_o hydrostatical_a dissertation_n 1672._o *_o some_o essay_n concern_v the_o wonderful_a subtlety_n and_o efficacy_n of_o effluvium_n and_o their_o determinate_a nature_n 1673._o some_o tract_n consist_v of_o observation_n concern_v the_o saltness_n of_o the_o sea_n with_o a_o sceptical_a dialogue_n concern_v the_o nature_n of_o cold_a both_o positive_a and_o privative_a 1674._o tract_n contain_v some_o suspicion_n concern_v some_o occult_a quality_n of_o the_o air_n with_o a_o appendix_n touch_v celestial_a magnet_n etc._n etc._n 1674._o a_o introduction_n to_o the_o history_n of_o particular_a quality_n in_o the_o phylosophical_a transaction_n n._n 63._o p._n 2057._o *_o of_o the_o excellency_n of_o the_o mechanical_a hypothesis_n n._n 103._o p._n 53._o experiment_n and_o observation_n concern_v the_o mechanical_a production_n and_o origin_n of_o several_a particular_a quality_n together_o with_o some_o reflection_n upon_o the_o hypothesis_n of_o acid_n and_o alcaly_a 1675._o the_o sceptical_a chemist_n or_o chymico-physical_a doubt_n and_o paradox_n about_o those_o experiment_n whereby_o vulgar_a spagyrist_n do_v labour_n to_o evince_v that_o sal_fw-la sulphur_n and_o mercury_n be_v the_o genuine_a principle_n of_o thing_n to_o which_o viz._n in_o this_o 2d_o edition_n sundry_a experiment_n and_o consideration_n be_v subjoin_v concern_v the_o producibleness_n of_o chemical_a principle_n 1680._o *_o a_o continuation_n of_o new_a physicomechanical_a experiment_n the_o second_o part_n 1680._o the_o aerial_a noctiluca_n or_o some_o new_a phaenomena_n and_o a_o process_n of_o a_o factitious_a self-shining_a substance_n 1680._o new_a experiment_n and_o observation_n make_v upon_o the_o icy_a noctiluca_n to_o which_o be_v annex_v a_o chemical_a paradox_n 168½_n these_o be_v the_o philosophical_a work_n of_o our_o author_n hitherto_o publish_v what_o he_o have_v write_v in_o divinity_n belong_v not_o proper_o to_o this_o place_n not_o to_o mention_v several_a dissertation_n of_o he_o which_o you_o may_v find_v here_o and_o there_o intersporse_v among_o the_o philosophical_a transaction_n publish_v in_o print_n in_o a_o discourse_n touch_v fluidity_n and_o firmness_n schottus_n mecham_n hydraulicopneumat_fw-la part_v 3_o class_n 1._o natural_a and_o moral_a hist._n of_o the_o indies_n lib._n 3._o c._n 9_o geogr._n general_n lib._n 1._o cap._n 19_o kirch_n art_n mag._n con._n &_o disson_n lib._n 9_o p._n 309._o see_v the_o fifteen_o figure_n p._n nic._n zucchius_n apud_fw-la scbot_n part_n 1._o mec._n hydraulopneum_fw-la aere_fw-la frigido_fw-la existente_fw-la tardius_fw-la moventar_fw-la automata_n quam_fw-la aere_fw-la calido_fw-la adeo_fw-la quidem_fw-la at_o automaton_n quod_fw-la belgae_n in_o nova_n zembla_n agentes_fw-la in_o aedibus_fw-la suis_fw-la collocaverunt_fw-la omnino_fw-la à _fw-la motu_fw-la cessaverit_fw-la etsimulto_fw-la majus_fw-la pondus_fw-la ei_fw-la addidissent_fw-la quam_fw-la antea_fw-la serre_fw-la solebat_fw-la varenius_n geo_n general_n lib._n 111._o propo_fw-it 7._o pag._n 648._o p_o nicol_n cab_n lib_n 4._o meteor_n aristot_n senec._n nat._n quest_n lib._n 4._o cap._n 10._o ricciol_n alma_fw-la nou._n tom._n 2._o lib._n 10._o sect_n 6._o prop._n 50._o exit_fw-la magnan_n lib._n 1._o perspectivae_fw-la horariae_fw-la prop._n 38._o joseph_n acosta_n nat_n and_o mor._n hyst_z of_o the_o indies_n jib_n 3._o cap._n 9_o in_o lib._n 4._o meleor_n arist._n arist._n arist._n since_o the_o write_n of_o this_o xlth_o experiment_n we_o procure_v a_o white_a butterf_o and_o enclose_v it_o in_o one_o of_o our_o small_a receiver_n where_o though_o at_o first_o he_o flutter_v up_o and_o down_o yet_o present_o upon_o the_o exsuction_n of_o the_o air_n he_o fall_v down_o as_o in_o a_o swoon_n retain_v no_o other_o motion_n than_o some_o little_a tremble_a of_o the_o wing_n epist._n 3._o fraelichius_n '_o apud_fw-la varen_n geogra_fw-la gener._n lib._n 1._o cap._n 19_o about_o the_o history_n of_o flame_n of_o heat_n of_o colour_n of_o the_o origine_fw-la of_o quality_n and_o form_n etc._n etc._n page_n 20._o page_n 16._o pag._n 17._o pag._n 15._o page_n 12._o page_n 14._o pag._n 18._o gass_n phys._n sect._n 1_o lib._n 2._o pag._n 204._o de_fw-fr nupero_fw-la inanis_fw-la experimento_fw-la pag._n 19_o pag._n 19_o pag._n 20._o pag._n 21._o pag._n 21._o pag._n 11._o page_n 24._o pag._n 48._o page_n 22._o page_n 25._o pag._n 38._o page_n 38._o pag._n 40._o pag._n 40_o 41._o pag._n 41._o pag._n 43_o 44._o pag._n 42._o pag._n 160._o pag_n 169._o pag._n 163._o chap._n 5._o pag._n 175._o pag._n 159._o pag._n 66._o gassendus_fw-la tomo_fw-la 1._o pag._n 211._o page_n 63._o pag._n 50._o 50._o 50._o mr._n croon_n one_o of_o the_o learned_a professor_n of_o gresham_n college_n college_n college_n dr._n hen._n power_n see_v the_o second_o figure_n figure_n figure_n probably_n these_o or_o the_o like_a word_n do_v manifest_a pressure_n be_v here_o omit_v for_o the_o mountain-air_n there_o seem_v to_o have_v act_v rather_o by_o its_o weight_n than_o elasticity_n pag._n 11._o see_v the_o 5._o figure_n see_v part_n 2._o c._n 5._o sed_fw-la contra_fw-la manifest_a see_v also_o in_o the_o 43_o experim_n these_o passage_n and_o this_o effervescence_n be_v so_o great_a in_o the_o upper_a part_n of_o the_o water_n etc._n etc._n as_o also_o the_o effervescence_n be_v confine_v to_o the_o upper_a part_n of_o the_o water_n unless_o etc._n etc._n see_v more_o concern_v this_o objection_n in_o the_o answer_n to_o it_o as_o it_o be_v propose_v by_o mr._n hobbs_n neque_fw-la hominis_fw-la philosophi_fw-la esse_fw-la censeo_fw-la corporum_fw-la quorundam_fw-la ut_fw-la solis_fw-la &_o stellarum_fw-la mirabiles_fw-la supponere_fw-la magnitudines_fw-la contra_fw-la vero_fw-la mirabiles_fw-la exiguitates_fw-la non_fw-la admittere_fw-la cum_fw-la virtutis_fw-la ejusdem_fw-la infinitae_fw-la sit_fw-la utraque_fw-la creare_fw-la tam_fw-la maxima_fw-la quam_fw-la minima_fw-la mr._n hobbs_n in_o his_o dialogue_n of_o the_o air_n page_n 11._o see_v also_o page_n 5._o and_o elsewhere_o elsewhere_o elsewhere_o so_o go_v your_o way_n speak_v to_o doctor_n j._n wallis_n and_o doctor_n s._n ward_n you_o uncivil_a ecclesiastic_n inhuman_a divine_n dedoctor_n of_o morality_n unasinous_a colleague_n egregious_a pair_n of_o isachar_n most_o wretched_a vindices_fw-la and_o indices_fw-la academiarum_fw-la and_o remember_v vespasian_n law_n etc._n etc._n mr._n hobbs_n lesson_n 6._o page_n 64._o cap._n 26._o sect._n 2._o in_o some_o dialogue_n of_o heat_n and_o flame_n pag._n 18._o pag._n 8._o wardi_fw-la exer._n in_o philosoph_n hobbian_n pag._n 188._o exper._n magdeburgicum_fw-la apud_fw-la schotum_fw-la pag._n 446._o pag._n 15._o elem._n of_o phil._n ch._n 30._o sect._n 4._o pag._n 16._o pag._n 9_o chap._n 30._o sect._n 10._o utraque_fw-la enim_fw-la illa_fw-la phant_n siam_fw-it tum_fw-la gravitatis_fw-la atmosphaerae_fw-la tum_fw-la vis_fw-la elasticae_fw-la sive_fw-la antitupiae_fw-la aëris_fw-la somnium_fw-la erat_fw-la dial._n p._n 21._o pag._n 11._o the_o motion_n therefore_o of_o those_o small_a body_n speak_v of_o the_o earthy_a particle_n in_o the_o air_n will_v be_v less_o and_o less_o free_a by_o how_o much_o the_o quantity_n of_o the_o injected_a water_n be_v great_a and_o great_a so_o that_o by_o their_o motion_n fall_v upon_o one_o another_o the_o same_o body_n will_v mutual_o compress_v each_o other_o and_o have_v a_o perpetual_a endeavour_n of_o regain_n their_o liberty_n and_o of_o depress_v the_o water_n that_o hinder_v they_o elem._n chap._n 30._o sect._n 9_o pag._n 8._o in_o our_o defence_n against_o linus_n pag._n 19_o pag._n 12._o 12._o 12._o pag._n 4._o 4._o 4._o joid._n pag._n 5._o page_n 22._o pag._n 12._o page_n 13._o page_n 13._o page_n 3._o itaque_fw-la page_z 13_o 14._o page_n 14._o page_n 16._o page_n 18._o page_n 18._o page_z 1â—_n page_n 79._o chap._n 30._o sect._n 14._o page_n 18._o page_n 18._o compare_v that_o in_o the_o 30._o chap._n 14._o sect._n of_o his_o physics_n with_o that_o of_o his_o dialogue_n page_z 15_o 16._o page_n 6._o page_n 10._o page_n 20._o page_n 20._o schot_n mech_n hyd._n pneumat_n pag._n 461._o pag._n 20_o 21._o page_n 22._o page_n 21_o 22._o page_n 24._o page_n 25._o page_n 25._o page_n 25._o page_n 23._o page_n 5._o 5._o 5._o hobbs_n de_fw-fr corp._n ch_z 27._o mr._n hobbs_n de_fw-fr corpore_fw-la cap._n 26._o part_n 4._o page_n 29._o page_n 30._o 30._o 30._o history_n of_o firmness_n page_n 227._o and_o elsewhere_o elsewhere_o elsewhere_o chap._n 16._o sect._n 4._o page_n 31._o page_n 30._o page_n 30._o page_n 31._o page_n 31._o 31._o 31._o in_o the_o history_n of_o fluidity_n and_o firmness_n mr._n hobbs_n in_o examinat_fw-la &_o emendatione_n etc._n etc._n dialog_n 6._o
and_o time_n on_o matter_n than_o word_n and_o so_o be_v just_o impede_v from_o learn_v language_n and_o because_o as_o i_o may_v judge_v the_o noble_a author_n be_v willing_a to_o oblige_v all_o man_n he_o have_v already_o provide_v that_o this_o piece_n shall_v short_o be_v do_v into_o latin_a that_o so_o it_o may_v come_v home_o to_o divers_a worthy_a person_n in_o its_o stream_n who_o can_v travel_v to_o find_v it_o out_o in_o its_o first_o origine_fw-la have_v therefore_o leave_v so_o to_o do_v i_o can_v forbear_v to_o give_v the_o world_n the_o advertisement_n of_o this_o latin_a edition_n lest_o some_o skilful_a artist_n shall_v take_v needless_a pain_n about_o a_o work_n which_o will_v ere_o long_o by_o god_n furtherance_n be_v do_v to_o his_o hand_n for_o such_o unprofitable_a expense_n of_o study_n have_v too_o frequent_o happen_v and_o too_o much_o to_o the_o disadvantage_n of_o learning_n for_o want_v of_o a_o sufficient_a correspondence_n and_o intercourse_n between_o such_o as_o be_v exercise_v in_o the_o mine_n of_o wisdom_n this_o be_v all_o the_o trouble_n i_o shall_v at_o present_a give_v you_o nor_o shall_v i_o need_v mind_n you_o if_o you_o have_v a_o true_a gust_n for_o the_o book_n you_o read_v to_o have_v a_o honour_n and_o thankful_a regard_n to_o the_o person_n that_o have_v favour_v we_o with_o the_o communication_n of_o these_o his_o trial_n and_o be_v manifest_o so_o great_a a_o patron_n and_o friend_n to_o experimental_a learning_n and_o all_o true_a wisdom_n for_o shall_v you_o fail_v in_o this_o you_o may_v deserve_o be_v deprive_v of_o some_o other_o observation_n on_o the_o same_o subject_n which_o the_o author_n i_o hear_v have_v make_v since_o the_o finish_n of_o this_o treatise_n i_o desire_v to_o be_v excuse_v that_o i_o do_v not_o make_v excuse_n for_o the_o slowness_n of_o the_o publication_n hope_v that_o the_o long_a expectation_n you_o have_v have_v of_o it_o will_v enhance_v and_o not_o diminish_v your_o delight_n in_o the_o enjoyment_n of_o a_o piece_n like_a to_o be_v among_o the_o student_n in_o accurate_a philosophy_n of_o so_o general_a acceptance_n farewell_n r._n sh._n a_o summary_n of_o the_o chief_a matter_n treat_v of_o in_o this_o epistolical_a discourse_n the_o proaemium_fw-la whereinis_fw-la be_v set_v down_o the_o occasion_n of_o this_o discourse_n 1._o the_o motive_n that_o induce_v the_o author_n thereunto_o 2._o the_o hint_n he_o receive_v 3._o the_o thing_n wherein_o this_o engine_n excel_v any_o that_o have_v yet_o be_v make_v use_n of_o 4._o the_o description_n of_o the_o engine_n and_o its_o part_n 5_o etc._n etc._n the_o way_n of_o prepare_v and_o use_v it_o 8_o etc._n etc._n the_o division_n of_o the_o experiment_n triable_a thereby_o into_o two_o sort_n and_o the_o difficulty_n of_o exclude_v the_o air._n 10_o etc._n etc._n the_o first_o experiment_n touch_v the_o manner_n of_o pump_v out_o the_o air_n and_o by_o what_o degree_n the_o receiver_n be_v empty_v 11_o etc._n etc._n a_o digression_n touch_v the_o spring_n or_o elastical_a power_n of_o the_o air_n with_o a_o attempt_n for_o a_o mechanical_a explication_n thereof_o necessary_a to_o be_v premise_v for_o the_o explanation_n of_o the_o phaenomena_n exhibit_v in_o this_o and_o the_o subsequent_a experiment_n 12_o etc._n etc._n the_o second_o experiment_n touch_v the_o pressure_n of_o the_o air_n against_o the_o side_n of_o the_o body_n it_o environ_n 20_o etc._n etc._n with_o a_o digressive_a explication_n of_o the_o pressure_n of_o the_o air_n include_v within_o a_o ambient_fw-la body_n 21_o etc._n etc._n the_o three_o experiment_n touch_v the_o force_n requisite_a to_o draw_v down_o the_o sucker_n 23_o etc._n etc._n the_o opinion_n of_o a_o eminent_a modern_a naturalist_n examine_v 24_o etc._n etc._n the_o four_o experiment_n touch_v the_o swell_n of_o a_o bladder_n with_o the_o degree_n by_o which_o it_o increase_v 25_o etc._n etc._n another_o opinion_n of_o a_o learned_a author_n examine_v 26_o etc._n etc._n the_o five_o experiment_n touch_v the_o break_n of_o a_o bladder_n in_o the_o receiver_n and_o of_o another_o by_o heat_n 27_o 28._o the_o six_o experiment_n of_o divers_a way_n by_o which_o the_o elastical_a expansion_n of_o the_o air_n be_v measure_v 29_o etc._n etc._n the_o seven_o experiment_n touch_v what_o figure_n do_v best_a resist_v the_o pressure_n of_o the_o air._n 33_o the_o eight_o experiment_n tend_v to_o a_o far_a demonstration_n of_o the_o former_a from_o the_o break_n of_o a_o glass_n helmet_n inward_a 34_o the_o nine_o experiment_n contain_v a_o far_a confirmation_n from_o the_o break_n of_o a_o glass_n outward_a 35_o etc._n etc._n with_o a_o experiment_n to_o prove_v that_o these_o phaenomena_n proceed_v not_o from_o a_o invincible_a fuga_fw-la vacui_fw-la 37._o a_o description_n of_o other_o small_a receiver_n and_o their_o conveniency_n 38_o etc._n etc._n a_o receipt_n for_o the_o make_n of_o a_o composition_n to_o cement_v crack_v glass_n 39_o the_o ten_o experiment_n touch_v the_o flame_a of_o candle_n enclose_v in_o the_o receiver_n 39_o etc._n etc._n the_o eleven_o experiment_n touch_v the_o burn_a of_o coal_n and_o the_o last_a of_o the_o excandescence_n of_o a_o include_v piece_n of_o iron_n 42_o the_o twelve_o experiment_n concern_v the_o burn_a of_o match_n 44_o the_o thirteen_o experiment_n concern_v the_o far_a prosecution_n of_o the_o precede_a tend_v to_o prove_v the_o extinction_n of_o the_o fire_n in_o the_o former_a experiment_n not_o to_o have_v proceed_v from_o the_o pressure_n of_o the_o fire_n by_o the_o fume_n some_o remarkable_a circumstance_n of_o it_o the_o experiment_n of_o match_n try_v in_o a_o small_a receiver_n 45_o etc._n etc._n the_o fourteen_o experiment_n touch_v the_o strike_a fire_n and_o klindle_v of_o powder_n with_o the_o lock_n of_o a_o pistol_n in_o the_o evacuated_a receiver_n 47_o etc._n etc._n the_o fifteen_o experiment_n touch_v the_o unsuccessfulness_n of_o kindle_v include_v body_n with_o a_o burning-glass_n and_o the_o author_n intention_n to_o prosecute_v it_o far_o 49_o the_o sixteen_o experiment_n concern_v the_o operation_n of_o the_o loadstone_n 52_o the_o seventeen_o experiment_n touch_v the_o gradual_a descent_n of_o the_o quicksilver_n in_o the_o torricellian_a experiment_n 51_o etc._n etc._n some_o observable_a circumstance_n concern_v it_o 54_o etc._n etc._n the_o same_o experiment_n try_v in_o one_o of_o the_o small_a receiver_n 55._o how_o this_o experiment_n may_v be_v make_v use_n of_o to_o know_v the_o strength_n of_o the_o pressure_n of_o the_o air_n for_o every_o degree_n of_o rarefaction_n 56_o etc._n etc._n the_o trial_n of_o the_o same_o experiment_n in_o a_o tube_n not_o two_o foot_n long_o 57_o the_o raise_n of_o the_o mercurial_a cylinder_n by_o the_o force_n of_o more_o air_n into_o the_o receiver_n ib._n some_o allegation_n for_o and_o against_o a_o vacuum_n consider_v 59_o etc._n etc._n some_o advertisement_n concern_v the_o inconvenience_n that_o may_v arise_v from_o the_o diversity_n of_o measure_n make_v use_v of_o for_o the_o define_n the_o altitude_n of_o the_o mercurial_a cylinder_n and_o from_o the_o neglect_n of_o little_a parcel_n of_o air_n apt_a to_o remain_v between_o the_o mercury_n and_o the_o concave_a surface_n of_o the_o tube_n 60_o etc._n etc._n some_o expedient_n for_o the_o more_o exact_a fill_v the_o tube_n 61._o the_o height_n the_o author_n once_o find_v of_o the_o mercurial_a cylinder_n according_a to_o english_a measure_n 63_o the_o eighteen_o experiment_n contain_v a_o new_a observation_n touch_v the_o variation_n of_o the_o height_n of_o the_o mercurial_a cylinder_n in_o the_o same_o tube_n with_o a_o offer_n at_o the_o reason_n thereof_o 63_o etc._n etc._n the_o nineteen_o experiment_n touch_v the_o subside_v of_o a_o cylinder_n of_o water_n 69._o the_o same_o try_v in_o a_o small_a receiver_n 70_o the_o twenty_o experiment_n touch_v the_o elater_n of_o water_n with_o a_o digressive_a experiment_n to_o the_o same_o purpose_n 71_o etc._n etc._n the_o 21_o experiment_n be_v a_o prosecution_n of_o the_o former_a enquiry_n by_o experiment_v the_o generation_n of_o bubble_n under_o water_n a_o recital_n of_o some_o not_o able_a circumstance_n with_o some_o observable_a corollary_n deduce_v therefrom_o 73_o etc._n etc._n the_o 22_o experiment_n tend_v to_o a_o determination_n of_o the_o enquiry_n propose_v in_o the_o former_a experiment_n by_o prove_v the_o matter_n of_o these_o bubble_n from_o their_o permanency_n to_o be_v air_n the_o experiment_n try_v in_o the_o great_a and_o small_a receiver_n evince_v the_o same_o thing_n 77_o etc._n etc._n a_o experiment_n wherein_o there_o appear_v bubble_n in_o quicksilver_n 79._o the_o author_n inference_n 80._o a_o digressive_a enquiry_n whether_o or_o no_o air_n may_v be_v generate_v anew_o with_o several_a history_n and_o experiment_n tend_v to_o the_o resolve_v and_o clear_v thereof_o ibid._n etc._n etc._n the_o author_n excuse_n for_o so_o long_a
same_o nature_n with_o that_o which_o be_v some_o year_n ago_o say_v to_o be_v make_v by_o that_o eminent_a geometrician_n mounseur_fw-fr roberval_n with_o a_o carp_n bladder_n empty_v and_o convey_v into_o a_o tube_n wherein_o the_o experiment_n de_fw-fr vacuo_fw-la be_v afterward_o try_v which_o ingenious_a experiment_n of_o he_o just_o deserve_v the_o thanks_o of_o those_o that_o have_v be_v or_o shall_v be_v solicitous_a to_o discover_v the_o nature_n of_o the_o air._n but_o to_o return_v to_o our_o experiment_n we_o may_v take_v notice_n of_o this_o circumstance_n in_o it_o that_o after_o the_o receiver_n have_v be_v in_o some_o measure_n empty_v the_o bladder_n do_v at_o each_o exsuction_n swell_v much_o more_o conspicuous_o than_o it_o do_v at_o any_o of_o the_o first_o exsuction_n insomuch_o that_o towards_o the_o end_n of_o the_o pump_v not_o only_o a_o great_a fold_n or_o cavity_n in_o the_o surface_n of_o the_o bladder_n may_v be_v make_v even_o by_o the_o stretch_n of_o the_o inward_a self-expanding_a air_n but_o we_o have_v sometime_o see_v upon_o the_o turn_n of_o the_o key_n to_o let_v the_o ambient_fw-la air_n pass_v out_o of_o the_o receiver_n into_o the_o cylinder_n we_o have_v see_v i_o say_v the_o air_n in_o the_o bladder_n sudden_o expand_v itself_o so_o much_o and_o so_o brisk_o that_o it_o manifest_o lift_v up_o some_o light_a body_n that_o lean_v upon_o it_o and_o seem_v to_o lift_v up_o the_o bladder_n itself_o now_o because_o it_o have_v by_o very_o learned_a man_n be_v doubt_v whether_o the_o swell_a of_o the_o bladder_n may_v not_o have_v proceed_v not_o from_o the_o dilatation_n of_o the_o include_v air_n but_o from_o the_o texture_n of_o the_o fibre_n which_o be_v wont_a to_o keep_v the_o bladder_n extend_v when_o the_o animal_n to_o who_o it_o belong_v be_v alive_a may_v be_v suppose_v in_o our_o experiment_n to_o have_v return_v like_o so_o many_o spring_n to_o their_o wont_a extent_n upon_o the_o removal_n of_o the_o ambient_fw-la air_n that_o compress_v and_o bend_v they_o because_o this_o i_o say_v have_v be_v doubt_v we_o think_v fit_a to_o make_v this_o further_a trial_n we_o let_v down_o into_o the_o receiver_n with_o the_o forementioned_a bladder_n two_o other_o much_o small_a and_o of_o the_o same_o kind_n of_o animal_n the_o one_o of_o these_o be_v not_o tie_v up_o at_o the_o neck_n that_o there_o may_v be_v liberty_n leave_v to_o the_o air_n that_o be_v not_o squeeze_v out_o which_o may_v amount_v to_o about_o a_o five_o part_n of_o what_o the_o bladder_n hold_v before_o to_o pass_v out_o into_o the_o receiver_n the_o other_o have_v the_o side_n of_o it_o stretch_v out_o and_o press_v together_o almost_o into_o the_o form_n of_o a_o cup_n that_o they_o may_v intercept_v the_o less_o air_n betwixt_o they_o and_o then_o be_v strong_o tie_v up_o at_o the_o neck_n this_o do_v and_o the_o air_n be_v in_o some_o measure_n suck_v out_o of_o the_o pneumatical_a glass_n if_o i_o may_v so_o call_v it_o the_o bladder_n mention_v at_o the_o begin_n of_o our_o experiment_n appear_v extend_v every_o way_n to_o its_o full_a dimension_n whereas_o neither_o of_o the_o two_o other_o do_v remarkable_o swell_v and_o that_o who_o neck_n be_v not_o tie_v seem_v very_o little_a if_o at_o all_o less_o wrinkle_a than_o when_o it_o be_v put_v in_o we_o make_v likewise_o a_o strong_a ligature_n about_o the_o middle_n of_o a_o long_a bladder_n partly_o empty_v and_o upon_o the_o draw_v the_o air_n out_o of_o the_o receiver_n can_v observe_v no_o such_o swell_a betwixt_o the_o ligature_n and_o the_o neck_n of_o the_o bladder_n which_o have_v be_v purposely_o leave_v open_a as_o betwixt_o the_o same_o ligature_n and_o the_o bottom_n of_o the_o bladder_n whence_o the_o include_v air_n can_v no_o way_n get_v out_o but_o a_o far_o and_o sufficient_a manifestation_n whence_o the_o intumescence_n of_o the_o bladder_n proceed_v may_v be_v deduce_v from_o the_o follow_a experiment_n experiment_n v._n to_o try_v then_o at_o once_o both_o what_o it_o be_v that_o expanded_a the_o bladder_n and_o what_o a_o powerful_a spring_n there_o be_v even_o in_o the_o air_n we_o be_v wont_n to_o think_v uncompress_v we_o cause_v a_o bladder_n dry_a well_o tie_v and_o blow_v moderate_o full_a to_o be_v hang_v in_o the_o receiver_n by_o one_o end_n of_o a_o string_n who_o other_o end_n be_v fasten_v to_o the_o inside_n of_o the_o cover_n and_o upon_o draw_v out_o the_o ambient_fw-la air_n that_o press_v on_o the_o bladder_n the_o internal_a air_n not_o find_v the_o wont_a resistance_n first_o swell_v and_o distend_v the_o bladder_n and_o then_o break_v it_o with_o so_o wide_a and_o crooked_a a_o rent_n as_o if_o it_o have_v be_v forcible_o tear_v asunder_o with_o hand_n after_o which_o a_o second_o bladder_n be_v convey_v in_o the_o experiment_n be_v repeat_v with_o like_a success_n and_o i_o suppose_v it_o will_v not_o be_v imagine_v that_o in_o this_o case_n the_o bladder_n be_v break_v by_o its_o own_o fibre_n rather_o than_o by_o the_o imprison_v air._n and_o of_o this_o experiment_n these_o two_o phaenomena_n may_v be_v take_v notice_n of_o the_o one_o that_o the_o bladder_n at_o its_o break_n give_v a_o great_a report_n almost_o like_o a_o cracker_n and_o the_o other_o that_o the_o air_n contain_v in_o the_o bladder_n have_v the_o power_n to_o break_v it_o with_o the_o mention_a impetuosity_n long_o before_o the_o ambient_fw-la air_n be_v all_o or_o near_o all_o draw_v out_o of_o the_o receiver_n but_o to_o verify_v what_o we_o say_v in_o another_o discourse_n where_o we_o show_v that_o even_o true_a experiment_n may_v by_o reason_n of_o the_o easy_a mistake_n of_o some_o unheeded_a circumstance_n be_v unsuccessful_o try_v we_o will_v advertise_v on_o this_o occasion_n that_o we_o do_v oftentimes_o in_o vain_a try_v the_o break_n of_o bladder_n after_o the_o manner_n above_o mention_v of_o which_o the_o cause_n appear_v to_o be_v this_o that_o the_o bladder_n we_o can_v not_o break_v have_v be_v bring_v we_o ready_a blow_v from_o those_o that_o sell_v they_o be_v grow_v dry_a before_o they_o come_v to_o our_o hand_n whence_o it_o come_v to_o pass_v that_o if_o we_o afterward_o tie_v they_o very_o hard_o they_o be_v apt_a to_o fret_v and_o so_o become_v unserviceable_a and_o if_o we_o tie_v they_o but_o moderate_o hard_a their_o stifness_n keep_v they_o from_o be_v close_v so_o exact_o but_o that_o when_o the_o include_v air_n have_v in_o the_o exhaust_a receiver_n distend_v they_o as_o much_o as_o easy_o it_o can_v it_o will_v in_o part_n get_v out_o between_o the_o little_a wrinkle_n of_o the_o sphincter_n of_o the_o neck_n whence_o also_o it_o usual_o happen_v that_o upon_o the_o let_n in_o the_o air_n from_o without_o the_o bladder_n appear_v more_o flaccid_a and_o empty_a than_o before_o they_o be_v put_v in_o whereas_o when_o the_o bladder_n be_v bring_v we_o moist_a from_o the_o butcher_n we_o can_v without_o injure_v they_o tie_v their_o neck_n so_o close_o that_o none_o of_o the_o air_n once_o blow_v in_o can_v get_v out_o of_o they_o but_o by_o violent_o break_v they_o it_o will_v not_o be_v amiss_o on_o this_o occasion_n to_o point_n at_o something_o which_o may_v deserve_v a_o more_o deliberate_a speculation_n than_o we_o can_v now_o afford_v it_o namely_o that_o the_o elastical_a power_n of_o the_o same_o quantity_n of_o air_n may_v be_v as_o well_o increase_v by_o the_o agitation_n of_o the_o aërial_a particle_n whether_o only_o move_v they_o more_o swift_o and_o scatter_v they_o or_o also_o extend_v or_o stretch_v they_o out_o i_o determine_v not_o within_o a_o every_o way_n enclose_v and_o yet_o yield_a body_n as_o display_v by_o the_o withdraw_n of_o the_o air_n that_o press_v it_o without_o for_o we_o find_v that_o a_o bladder_n but_o moderate_o fill_v with_o air_n and_o strong_o tie_v be_v a_o while_n hold_v near_o the_o fire_n not_o only_o grow_v exceed_v turgid_a and_o hard_a but_o afterward_o be_v bring_v near_o to_o the_o fire_n sudden_o break_v with_o so_o loud_a and_o vehement_a a_o noise_n as_o stony_v those_o that_o be_v by_o and_o make_v we_o for_o a_o while_n after_o almost_o deaf_a experiment_n vi._n have_v thus_o see_v that_o the_o air_n have_v a_o elastical_a power_n we_o be_v next_o desirous_a to_o know_v in_o some_o measure_n how_o far_o a_o parcel_n of_o air_n may_v by_o this_o its_o own_o spring_n be_v dilate_v and_o though_o we_o be_v not_o provide_v of_o instrument_n fit_a to_o measure_v the_o dilatation_n of_o the_o air_n any_o thing_n accurate_o yet_o because_o a_o imperfect_a measure_n of_o it_o be_v more_o desirable_a than_o none_o at_o all_o we_o devise_v the_o follow_a method_n as_o very_o easy_o practicable_a we_o take_v a_o limber_a lamb_n bladder_n which_o
statical_a and_o mechanical_a experiment_n rise_v to_o the_o height_n of_o five_o and_o twenty_o german_a league_n if_o not_o of_o some_o hundred_o of_o common_a miles_n and_o this_o conjecture_n itself_o may_v appear_v very_o injurious_a to_o the_o height_n whereunto_o exhalation_n may_v ascend_v if_o we_o will_v allow_v that_o there_o be_v no_o mistake_n in_o that_o strange_a observation_n make_v at_o tolouse_n in_o a_o clear_a night_n in_o august_n by_o the_o diligent_a mathematician_n emamuel_n magnan_n and_o thus_o record_v by_o ricciolus_n for_o i_o have_v not_o at_o hand_n the_o author_n be_v own_o book_n vidit_fw-la say_v he_o ab_fw-la hora_fw-la undecima_fw-la post_fw-la meridiem_fw-la 38._o usque_fw-la ad_fw-la mediam_fw-la noctem_fw-la lunâ_fw-la infra_fw-la horizontem_fw-la positâ_fw-la nubeculam_fw-la quandam_fw-la lucidam_fw-la prope_fw-la meridianum_fw-la fere_n usque_fw-la ad_fw-la zenith_n diffusam_fw-la quae_fw-la consideratis_fw-la omnibus_fw-la non_fw-la poterat_fw-la nisi_fw-la à _fw-la sole_a illuminari_fw-la ideoque_fw-la altior_fw-la esse_fw-la debuit_fw-la tota_fw-la umbra_fw-la terrae_fw-la addit_fw-la continue_v ricciolus_n simile_n quid_fw-la evenisse_fw-la michaeli_n angelo_n riccio_n apud_fw-la sabinos_fw-la versanti_fw-la nempe_fw-la viro_fw-la in_o mathesi_n eruditissimo_fw-la various_a observation_n make_v at_o the_o foot_n top_n and_o interjacent_a part_n of_o high_a mountain_n may_v perchance_o somewhat_o assist_v we_o to_o make_v a_o estimate_n in_o what_o proportion_n if_o in_o any_o certain_a one_o the_o high_a air_n be_v thick_a than_o the_o low_a and_o guess_v at_o the_o difform_a consistence_n as_o to_o laxity_n and_o compactness_n of_o the_o air_n at_o several_a distance_n from_o we_o and_o if_o the_o difficulty_n about_o the_o refraction_n of_o the_o celestial_a light_n be_v satisfactory_o determine_v that_o may_v also_o much_o conduce_v to_o the_o place_v due_a limit_n to_o the_o atmosphere_n who_o dimension_n those_o observation_n about_o refraction_n seem_v hitherto_o much_o to_o contract_v but_o for_o the_o present_a we_o dare_v not_o pronounce_v any_o thing_n peremptory_o concern_v the_o height_n of_o it_o but_o leave_v it_o to_o far_a inquiry_n content_v ourselves_o to_o have_v manifest_v the_o mistake_n of_o divers_a eminent_a modern_a writer_n who_o will_v not_o allow_v the_o atmosphere_n to_o exceed_v above_o two_o or_o three_o mile_n in_o height_n as_o the_o famous_a kepler_n will_v not_o the_o aër_fw-la refractivus_fw-la and_o to_o have_v render_v a_o reason_n why_o in_o the_o mention_n we_o make_v in_o the_o note_n upon_o the_o first_o experiment_n touch_v the_o height_n of_o the_o atmosphere_n we_o scruple_v not_o to_o speak_v of_o it_o as_o if_o it_o may_v be_v many_o mile_n high_a experiment_n xxxvii_o we_o will_v now_o proceed_v to_o recite_v a_o phaenomenon_n which_o though_o make_v among_o the_o first_o we_o think_v fit_a not_o to_o mention_v till_o after_o many_o other_o that_o we_o may_v have_v the_o opportunity_n to_o observe_v as_o many_o circumstance_n of_o it_o as_o we_o can_v and_o so_o present_a your_o lordship_n at_o once_o most_o of_o what_o we_o at_o several_a time_n have_v take_v notice_n of_o concern_v so_o odd_a a_o phaenomenon_n our_o engine_n have_v not_o be_v long_o finish_v when_o at_o the_o first_o leisure_n we_o can_v steal_v from_o our_o occasion_n to_o make_v trial_n of_o it_o we_o cause_v the_o air_n to_o be_v pump_v out_o of_o the_o receiver_n and_o whilst_o i_o be_v busy_v in_o entertain_v a_o learned_a friend_n that_o just_a than_o come_v to_o visit_v i_o a_o ingenious_a by-stander_n think_v he_o perceive_v some_o new_a kind_n of_o light_n in_o the_o receiver_n of_o which_o give_v i_o hasty_o notice_n my_o friend_n and_o i_o present_o observe_v that_o when_o the_o sucker_n be_v draw_v down_o immediate_o upon_o the_o turn_n of_o the_o key_n there_o appear_v a_o kind_n of_o light_n in_o the_o receiver_n almost_o like_o a_o faint_a flash_n of_o lightning_n in_o the_o daytime_n and_o almost_o as_o sudden_o do_v it_o appear_v and_o vanish_v have_v not_o without_o some_o amazement_n observe_v divers_a of_o these_o apparition_n of_o light_n we_o take_v notice_n that_o the_o day_n be_v clear_a the_o hour_n about_o ten_o in_o the_o morning_n that_o the_o only_a window_n in_o the_o room_n face_v the_o north_n and_o also_o that_o by_o interpose_v a_o cloak_n or_o any_o opacous_a body_n between_o the_o receiver_n and_o the_o window_n though_o the_o rest_n of_o the_o room_n be_v sufficient_o enlighten_v yet_o the_o flash_n do_v not_o appear_v as_o before_o unless_o the_o opacous_a body_n be_v remove_v but_o not_o be_v able_a on_o all_o these_o circumstance_n to_o ground_n any_o firm_a conjecture_n at_o the_o cause_n of_o this_o surprise_a phaenomenon_n as_o soon_o as_o night_n be_v come_v we_o make_v the_o room_n very_o dark_a and_o ply_v the_o pump_n as_o in_o the_o morning_n we_o can_v not_o though_o we_o often_o try_v find_v upon_o the_o turn_n of_o the_o key_n so_o much_o as_o the_o least_o glimmer_a of_o light_n whence_o we_o infer_v that_o the_o flash_n appear_v in_o the_o receiver_n do_v not_o proceed_v from_o any_o new_a light_n generate_v there_o but_o from_o some_o reflection_n of_o the_o light_n of_o the_o sun_n or_o other_o luminous_a body_n place_v without_o it_o though_o whence_o the_o reflection_n shall_v proceed_v it_o pose_v we_o to_o conjecture_v wherefore_o the_o next_o morning_n hope_v to_o inform_v ourselves_o better_a we_o go_v about_o to_o repeat_v the_o experiment_n but_o though_o we_o can_v as_o well_o as_o former_o exhaust_v the_o receiver_n though_o the_o place_n wherein_o we_o make_v the_o trial_n be_v the_o very_a same_o and_o though_o other_o circumstance_n be_v resemble_v yet_o we_o can_v not_o discover_v the_o least_o appearance_n of_o light_a all_o that_o day_n nor_o on_o divers_a other_o on_o which_o trial_n be_v again_o fruitless_o make_v nor_o can_v we_o to_o this_o very_a time_n be_v sure_a a_o day_n beforehand_o that_o these_o flash_n will_v be_v to_o be_v see_v in_o our_o great_a receiver_n nay_o have_v once_o find_v the_o engine_n in_o a_o good_a humour_n if_o i_o may_v so_o speak_v to_o show_v this_o trick_n and_o send_v notice_n of_o it_o to_o our_o learned_a friend_n dr._n wallis_n who_o express_v a_o great_a desire_n to_o see_v this_o phaenomenon_n though_o he_o be_v not_o then_o above_o a_o bow-shoot_a off_o and_o make_v haste_n to_o fatisfie_v his_o curiosity_n yet_o by_o that_o time_n he_o be_v come_v the_o thing_n he_o come_v for_o be_v no_o long_a to_o be_v see_v so_o that_o have_v vain_o endeavour_v to_o exhibit_v again_o the_o phaenomenon_n in_o his_o prefence_n i_o begin_v to_o apprehend_v what_o he_o may_v think_v of_o i_o when_o unexpected_o the_o engine_n present_v we_o a_o flash_n and_o after_o that_o a_o second_o and_o as_o many_o more_o as_o suffice_v to_o satisfy_v he_o that_o we_o may_v very_o well_o confident_o relate_v that_o we_o have_v ourselves_o see_v this_o phaenomenon_n though_o not_o confident_o promise_v to_o show_v it_o other_o and_o this_o unsuccessfulness_n whereto_o our_o experiment_n be_v liable_a be_v such_o that_o by_o all_o our_o watchfulness_n and_o trial_n we_o can_v never_o reduce_v it_o to_o any_o certain_a rule_n or_o observation_n since_o in_o all_o constitution_n of_o the_o wether_n time_n of_o the_o day_n etc._n etc._n it_o will_v sometime_o answer_v and_o sometime_o disappoint_v our_o expectation_n we_o be_v much_o discourage_v from_o venture_v to_o frame_v a_o hypothesis_n to_o give_v a_o account_n of_o it_o which_o if_o the_o experiment_n do_v constant_o succeed_v may_v the_o more_o hopeful_o be_v attempt_v by_o the_o help_n of_o the_o follow_a phaenomena_n lay_v together_o some_o of_o they_o produce_v upon_o trial_n purposely_o make_v to_o examine_v the_o validity_n of_o the_o conjecture_n other_o trial_n have_v suggest_v first_o then_o we_o observe_v that_o the_o apparition_n of_o light_n may_v be_v make_v as_o well_o by_o candle-light_n as_o by_o daylight_n and_o in_o whatever_o position_n the_o candle_n be_v hold_v in_o reference_n to_o the_o receiver_n as_o on_o this_o or_o that_o hand_n of_o it_o above_o it_o beneath_o it_o or_o any_o other_o way_n provide_v the_o beam_n of_o light_n be_v not_o hinder_v from_o fall_v upon_o the_o vessel_n next_o we_o note_v that_o the_o flash_n appear_v immediate_o upon_o the_o turn_n of_o the_o key_n to_o let_v the_o air_n out_o of_o the_o receiver_n into_o the_o empty_v cylinder_n in_o so_o much_o that_o i_o remember_v not_o that_o when_o at_o any_o time_n in_o our_o great_a receiver_n the_o stop-cock_n be_v open_v before_o the_o cylinder_n be_v exhaust_v whereby_o it_o come_v to_o pass_v that_o the_o air_n do_v rather_o descend_v than_o rush_n into_o the_o cylinder_n the_o often_o mention_a flash_n appear_v to_o our_o eye_n yet_o we_o far_o observe_v that_o when_o instead_o of_o the_o great_a receiver_n we_o make_v use_v of_o a_o