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illius_fw-la motus_fw-la in_o recipiente_fw-la ut_fw-la loquimini_fw-la 18._o evacuato_fw-la diminuta_fw-la sit_fw-la oppressa_fw-la ab_fw-la aëris_fw-la intus_fw-la commoti_fw-la consistentia_fw-la non_fw-la tamen_fw-la extinguitur_fw-la &_o propterealevata_a oppressione_n satis_fw-la habebit_fw-la virium_fw-la ad_fw-la excitandum_fw-la phantasiam_fw-la lucis_fw-la quanquan_fw-mi debiliorem_fw-la but_o i_o shall_v rather_o subjoin_v that_o yet_o three_o i_o do_v not_o think_v it_o improbable_a what_o the_o learned_a gassendus_fw-la have_v teach_v and_o what_o mr._n hobbs_n here_o teach_v that_o the_o restitution_n of_o bend_a spring_n may_v proceed_v from_o a_o certain_a endeavour_n or_o motion_n in_o their_o internal_a part_n leave_v from_o the_o time_n of_o their_o compression_n or_o extension_n which_o when_o the_o impediment_n be_v remove_v make_v every_o part_n resume_v its_o former_a place_n and_o thereby_o make_v the_o whole_a restore_v itself_o but_o this_o notwithstanding_o 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strong_a spring_n that_o it_o have_v not_o before_o as_o i_o have_v try_v upon_o silver_n and_o copper_n which_o though_o flexible_a before_o they_o be_v hammer_v yet_o be_v beat_v into_o thin_a plate_n obtain_v a_o notable_a spring_n and_o why_o which_o may_v seem_v more_o strange_a upon_o another_o light_a change_n of_o texture_n the_o acquire_v spring_n may_v present_o be_v lose_v again_o as_o i_o have_v try_v in_o silver_n that_o chemist_n teach_v we_o lose_v nothing_o in_o the_o fire_n which_o have_v by_o be_v hammer_v acquire_v a_o strong_a spring_n we_o have_v present_o make_v flexible_a again_o as_o before_o by_o only_a heat_n it_o red-hot_a without_o so_o much_o as_o melt_v it_o which_o argue_v that_o in_o spring_n texture_n be_v as_o well_o to_o be_v consider_v as_o motion_n to_o these_o i_o may_v add_v other_o particular_n that_o i_o have_v either_o make_v or_o observe_v and_o mention_n in_o another_o treatise_n concern_v spring_n all_o which_o phaenomena_n perhaps_o every_o one_o that_o have_v read_v what_o we_o have_v late_o recite_v out_o of_o mr._n hobbs_n will_v not_o present_o be_v able_a satisfactory_o to_o explicate_v so_o that_o i_o hope_v the_o equitable_a reader_n will_v not_o think_v it_o a_o fault_n that_o content_v myself_o to_o propose_v the_o two_o explication_n of_o spring_n i_o see_v most_o like_v among_o the_o curious_a to_o which_o i_o shall_v have_v add_v mr._n hobbs_n if_o i_o have_v find_v it_o as_o much_o esteem_v i_o decline_v engage_v myself_o in_o controversy_n about_o the_o origine_fw-la of_o motion_n and_o such_o other_o high_a speculation_n as_o have_v my_o ability_n enable_v i_o neither_o my_o design_n exact_v nor_o my_o leisure_n permit_v that_o i_o shall_v prosecute_v and_o though_o mr._n hobbs_n be_v please_v to_o speak_v thus_o of_o his_o notion_n concern_v the_o restitution_n of_o body_n sine_fw-la qua_fw-la hypothe_v quantuscunque_fw-la labour_n arse_n sumptus_fw-la ad_fw-la rerum_fw-la naturalium_fw-la invisibiles_fw-la causas_fw-la inveniendas_fw-la adhibetur_fw-la frustra_fw-la erit_fw-la yet_o whether_o that_o 8._o bold_a assertion_n shall_v pass_v for_o a_o argument_n for_o a_o hyperbole_n or_o for_o a_o compliment_n to_o himself_o i_o be_o content_a to_o let_v the_o reader_n judge_n four_o mr_n hobbs_n in_o divers_a passage_n wherein_o he_o dispute_v against_o i_o seem_v to_o have_v misapprehend_v my_o notion_n of_o the_o air._n for_o when_o i_o say_v that_o the_o air_n have_v gravity_n and_o a_o elastical_a power_n or_o that_o the_o air_n be_v in_o great_a part_n pump_v out_o of_o the_o receiver_n it_o be_v plain_a enough_o that_o i_o take_v the_o air_n in_o the_o obvious_a acception_n of_o the_o word_n for_o part_n of_o the_o atmosphere_n which_o we_o breathe_v and_o wherein_o we_o move_v nor_o do_v i_o find_v that_o any_o other_o of_o my_o reader_n do_v otherwise_o understand_v i_o but_o mr._n hobbs_n seem_v to_o think_v he_o have_v sufficient_o confute_v i_o if_o in_o some_o case_n he_o have_v prove_v which_o whether_o he_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
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
liquor_n may_v proceed_v from_o the_o agitation_n whereinto_o the_o exhaling_a and_o imprison_a steam_n be_v put_v by_o that_o heat_n which_o be_v wont_a to_o result_v from_o that_o action_n of_o corrosive_a salt_n upon_o metal_n we_o suffer_v both_o the_o viol_n and_o the_o open-mouthed_a glass_n to_o remain_v as_o they_o be_v in_o a_o window_n for_o three_o or_o four_o day_n and_o night_n together_o but_o look_v upon_o they_o several_a time_n during_o that_o while_n as_o well_o as_o at_o the_o expiration_n of_o it_o the_o whole_a cavity_n of_o the_o glass_n bubble_n and_o most_o of_o its_o neck_n seem_v to_o be_v possess_v by_o air_n since_o by_o its_o spring_n it_o be_v able_a for_o so_o long_o to_o hinder_v the_o expel_v and_o ambient_fw-la liquor_n from_o regain_n its_o former_a place_n and_o it_o be_v remarkable_a that_o just_a before_o we_o take_v the_o glass_n bubble_n out_o of_o the_o other_o glass_n upon_o the_o application_n of_o a_o warm_a hand_n to_o the_o convex_a part_n 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alter_a position_n and_o connexion_n of_o the_o part_n of_o a_o body_n may_v suffice_v to_o give_v it_o a_o spring_n that_o it_o have_v not_o before_o as_o may_v be_v see_v in_o a_o thin_a and_o flexible_a plate_n of_o silver_n unto_o which_o by_o some_o stroke_n of_o a_o hammer_n you_o may_v give_v a_o spring_n and_o by_o only_a heat_n it_o red-hot_a you_o may_v make_v it_o again_o flexible_a as_o before_o these_o my_o lord_n be_v some_o of_o the_o consideration_n at_o present_a occur_v to_o my_o thought_n by_o which_o it_o may_v be_v make_v probable_a that_o air_n may_v be_v generate_v anew_o and_o though_o it_o be_v not_o impossible_a to_o propose_v objection_n against_o these_o as_o well_o as_o against_o what_o have_v be_v represent_v in_o favour_n of_o the_o contrary_a doctrine_n yet_o have_v already_o almost_o tire_v myself_o and_o i_o fear_v more_o than_o almost_o tire_v your_o lordship_n with_o so_o troublesome_a a_o enquiry_n after_o the_o nature_n of_o bubble_n i_o shall_v willing_o leave_v your_o lordship_n to_o judge_v of_o the_o argument_n allege_v on_o either_o side_n and_o i_o shall_v scarce_o have_v venture_v to_o entertain_v you_o so_o long_o concern_v such_o empty_a thing_n as_o the_o bubble_n which_o have_v occasion_v all_o this_o discourse_n but_o that_o i_o be_o willing_a to_o invite_v you_o to_o take_v notice_n with_o i_o of_o the_o obscurity_n of_o thing_n or_o the_o dimness_n of_o our_o create_a intellect_n which_o yet_o of_o late_a too_o many_o so_o far_o presume_v upon_o as_o either_o to_o deny_v or_o censure_v the_o almighty_a and_o omniscient_a creator_n himself_o and_o to_o learn_v hence_o this_o lesson_n that_o there_o be_v very_o many_o thing_n in_o nature_n that_o we_o disdainful_o overlook_v as_o obvious_a or_o despicable_a each_o of_o which_o will_v exercise_v our_o understanding_n if_o not_o pose_v they_o too_o if_o we_o will_v but_o attentive_o enough_o consider_v it_o and_o not_o superficial_o contemplate_v but_o attempt_v satisfactory_o to_o explicate_v the_o nature_n of_o it_o experiment_n xxiii_o since_o the_o write_n of_o the_o twenty_o first_o and_o twenty_o second_o experiment_n and_o notwithstanding_o all_o that_o have_v be_v on_o their_o occasion_n deliver_v concern_v bubble_n we_o make_v some_o far_a trial_n in_o prosecution_n of_o the_o same_o inquiry_n whereto_o they_o be_v design_v we_o choose_v then_o among_o those_o glass_n which_o chemist_n be_v wont_a to_o call_v philosophical_a egg_n one_o that_o contain_v about_o nine_o ounce_n of_o water_n have_v a_o neck_n of_o half_a a_o inch_n in_o diameter_n at_o the_o top_n and_o as_o we_o guest_n almost_o a_o inch_n at_o the_o bottom_n which_o breadth_n we_o pitch_v upon_o for_o a_o reason_n that_o will_v by_o and_o by_o appear_v then_o fill_v it_o up_o with_o common_a water_n to_o the_o height_n of_o about_o a_o foot_n and_o a_o half_a so_o that_o the_o upper_a part_n remain_v empty_a we_o shut_v it_o into_o the_o receiver_n and_o watch_v what_o will_v follow_v upon_o pump_v which_o prove_v that_o a_o great_a part_n of_o the_o air_n be_v draw_v out_o the_o bubble_n begin_v to_o discover_v themselves_o at_o the_o bottom_n and_o side_n of_o the_o glass_n and_o increase_v as_o the_o air_n be_v more_o and_o more_o draw_v away_o they_o do_v from_o time_n to_o time_n ascend_v copious_o enough_o to_o the_o top_n of_o the_o water_n and_o there_o quick_o break_v but_o by_o reason_n that_o the_o wideness_n of_o the_o glass_n allow_v they_o free_a passage_n through_o the_o water_n they_o do_v not_o appear_v as_o in_o the_o former_a experiment_n to_o make_v it_o swell_v the_o water_n scarce_o ever_o rise_v at_o all_o above_o the_o mark_n affix_v to_o its_o upper_a surface_n when_o it_o be_v put_v in_o and_o upon_o the_o return_n permit_v to_o the_o outward_a air_n and_o consequent_o the_o shrink_n in_o of_o the_o remain_a bubble_n the_o water_n seem_v to_o have_v lose_v of_o his_o first_o extent_n by_o the_o avolation_n of_o the_o 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
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
both_o will_v think_v what_o i_o write_v the_o less_o rational_a for_o be_v civil_a or_o will_v let_v i_o suffer_v in_o their_o opinion_n for_o neglect_v to_o trouble_v they_o in_o aphilosophical_a controversy_n with_o matter_n that_o do_v but_o very_o little_o belong_v to_o it_o to_o skip_v then_o what_o mr._n hobbs_n be_v please_v to_o say_v in_o the_o first_o page_n of_o his_o dialogue_n concern_v some_o disputable_a discovery_n about_o sensation_n which_o he_o challenge_v to_o himself_o and_o to_o pass_v by_o divers_a other_o thing_n in_o the_o second_o or_o three_o follow_v page_n which_o relate_v to_o he_o or_o to_o the_o society_n he_o write_v against_o rather_o than_o to_o the_o nature_n of_o the_o air_n we_o shall_v begin_v with_o the_o opinion_n he_o think_v fit_a in_o the_o five_o page_n to_o impute_v to_o we_o as_o if_o we_o distinguish_v what_o be_v fluid_a from_o what_o be_v not_o so_o only_o for_o so_o his_o ratiocination_n import_v by_o the_o bigness_n of_o the_o part_n of_o which_o a_o body_n consist_v but_o design_v in_o a_o appendix_n to_o be_v subjoin_v to_o this_o discourse_n to_o examine_v what_o i_o find_v in_o this_o dialogue_n disperse_v touch_v fluidity_n i_o shall_v now_o only_o say_v that_o he_o do_v very_o much_o mistake_v and_o misrepresent_v my_o doctrine_n of_o fluidity_n wherein_o i_o express_o teach_v that_o the_o principal_a cause_n or_o condition_n of_o it_o be_v not_o the_o size_n but_o the_o motion_n of_o the_o small_a part_n that_o compose_v the_o fluid_a body_n to_o take_v up_o then_o the_o particular_n we_o be_v to_o examine_v in_o the_o order_n as_o far_o as_o convenient_o may_v be_v wherein_o i_o find_v they_o lie_v in_o the_o author_n dialogue_n and_o pass_v by_o at_o present_a those_o thing_n which_o either_o we_o have_v consider_v already_o or_o be_v not_o to_o consider_v in_o this_o place_n the_o first_o particular_a that_o offer_v itself_o to_o be_v take_v notice_n of_o be_v this_o passage_n at_o the_o bottom_n of_o the_o twelve_o page_n b._n in_o vas_fw-la apertum_fw-la infudimus_fw-la aquam_fw-la in_fw-la aqua_fw-la fistulam_fw-la 12._o statuimus_fw-la erectam_fw-la longam_fw-la exilissimam_fw-la observavimus_fw-la autem_fw-la aquam_fw-la è_fw-la vase_n subjecto_fw-la in_o erectam_fw-la fistulam_fw-la ascendisse_fw-la a._n nec_fw-la mirum_fw-la nam_fw-la superficiem_fw-la aquae_fw-la particulae_fw-la aëri_fw-la interspersae_fw-la aquaeque_fw-la contiguae_fw-la motu_fw-la svo_fw-la verberabant_fw-la ita_fw-la ut_fw-la aqua_fw-la non_fw-la potuit_fw-la in_o fistulam_fw-la non_fw-la ascendere_fw-la &_o sensibiliter_fw-la quidem_fw-la in_o fistulam_fw-la valde_fw-la angustam_fw-la to_o this_o i_o say_v that_o it_o be_v manifest_a by_o what_o i_o write_v in_o my_o epistle_n that_o i_o do_v not_o then_o take_v upon_o i_o nor_o do_v i_o undertake_v in_o this_o place_n to_o assign_v the_o true_a reason_n of_o the_o propose_a phaenomenon_n a_o attempt_n of_o this_o kind_n have_v be_v since_o address_v to_o i_o which_o be_v ingenious_a if_o not_o also_o true_a may_v be_v consult_v in_o the_o mean_a time_n i_o can_v but_o declare_v that_o i_o be_o no_o way_n satisfy_v with_o mr._n hobbs_n exposition_n for_o to_o say_v nothing_o of_o the_o motion_n he_o ascribe_v to_o the_o particle_n disperse_v through_o the_o air_n he_o leave_v the_o difficulty_n unsolve_v since_o there_o be_v common_a air_n as_o well_o within_o the_o cavity_n of_o the_o slender_a pipe_n as_o without_o it_o he_o neither_o show_v nor_o so_o much_o as_o offer_v at_o a_o reason_n why_o the_o pressure_n of_o the_o air_n within_o shall_v not_o resist_v the_o pressure_n of_o the_o same_o kind_n of_o air_n without_o as_o we_o see_v it_o do_v in_o great_a pipe_n and_o possible_o he_o will_v have_v pass_v by_o this_o particular_a if_o he_o have_v not_o overlook_v the_o advertisement_n i_o give_v towards_o the_o close_a of_o the_o 35._o experiment_n that_o it_o will_v concern_v those_o who_o shall_v undertake_v to_o show_v the_o cause_n of_o this_o phaenomenon_n to_o bethink_v themselves_o also_o of_o a_o reason_n why_o if_o the_o experiment_n be_v try_v with_o quicksilver_n instead_o of_o water_n the_o surface_n of_o the_o liquor_n will_v instead_o of_o be_v high_o be_v low_o within_o the_o pipe_n than_o without_o it_o whereas_o if_o mr._n hobbs_n explication_n be_v sufficient_a why_o shall_v not_o the_o contrary_n happen_v in_o quicksilver_n as_o well_o as_o in_o water_n the_o next_o passage_n i_o have_v to_o consider_v be_v in_o the_o 13._o page_n thus_o set_v down_o siquis_fw-la post_fw-la impulsionem_fw-la revulsionemque_fw-la suctoris_fw-la aliquoties_fw-la repetitam_fw-la epistomium_fw-la superni_fw-la 13._o orificii_fw-la recipientis_fw-la conetur_fw-la extrahere_fw-la inveniet_fw-la illud_fw-la valde_fw-la gravitare_fw-la tanquam_fw-la si_fw-la multarum_fw-la librarum_fw-la pondus_fw-la ab_fw-la eo_fw-la penderet_fw-la vnde_fw-la contingit_fw-la hoc_fw-la a._n ab_fw-la aëris_fw-la qui_fw-la est_fw-la in_o recipiente_fw-la fortissimo_fw-la conatu_fw-la circulari_fw-la facto_fw-la à _fw-la violento_fw-la ingressu_fw-la aëris_fw-la inter_fw-la superficiem_fw-la suctoris_fw-la convexam_fw-la &_o cylindri_fw-la concavam_fw-la generato_fw-la per_fw-la iteratam_fw-la illam_fw-la impulsionem_fw-la revulsionemque_fw-la suctoris_fw-la quam_fw-la vos_fw-la perperam_fw-la vocatis_fw-la exuctionem_fw-la aëris_fw-la nam_fw-la propter_fw-la naturae_fw-la plenitudinem_fw-la epistomium_fw-la extrahi_fw-la non_fw-la potest_fw-la quin_fw-la aër_fw-la qui_fw-la est_fw-la in_o recipiente_fw-la epistomio_n contiguus_fw-la una_fw-la extrahendus_fw-la sit_fw-la qui_fw-la quidem_fw-la aer_fw-la si_fw-la quiesceret_fw-la facillimè_fw-la epistomium_fw-la sequeretur_fw-la sed_fw-la dum_fw-la velocissimè_fw-la circuit_n satis_fw-la difficulter_fw-la sequitur_fw-la id_fw-la est_fw-la videtur_fw-la esse_fw-la valde_fw-la gravis_fw-la b._n verisimile_fw-la est_fw-la nam_fw-la ut_fw-la aër_fw-la novus_fw-la in_o recipiens_fw-la paulatim_fw-la admittitur_fw-la etiam_fw-la apparentem_fw-la illam_fw-la gravitatem_fw-la paulatim_fw-la perdit_fw-la but_o i_o do_v not_o much_o fear_n that_o this_o explication_n will_v keep_v the_o experiment_n from_o continue_v to_o be_v think_v by_o ingenious_a man_n a_o notable_a confirmation_n of_o our_o hypothesis_n for_o to_o pass_v by_o something_o that_o though_o i_o be_o no_o way_n satisfy_v with_o can_v well_o be_v examine_v in_o few_o word_n i_o answer_v first_o that_o if_o there_o be_v such_o a_o vehement_a circular_a endeavour_n as_o he_o imagine_v of_o the_o air_n in_o the_o receiver_n by_o which_o motion_n he_o elsewhere_o teach_v as_o we_o have_v see_v above_o that_o the_o air_n rush_v out_o with_o violence_n enough_o to_o make_v the_o atmosphere_n lift_v up_o in_o our_o cylinder_n above_o a_o hundred_o pound_n weight_n i_o see_v not_o why_o it_o shall_v not_o rather_o throw_v out_o the_o stopple_n under_o consideration_n than_o hinder_v its_o extraction_n and_o i_o see_v not_o why_o when_o the_o external_a air_n be_v readmit_v at_o the_o stop-cock_n into_o the_o exhaust_a receiver_n and_o thereupon_o there_o do_v sensible_o follow_v for_o a_o little_a while_o a_o whirl_n about_o of_o the_o include_v air_n the_o stopple_n that_o just_a before_o seem_v so_o much_o to_o resist_v the_o be_v draw_v out_o shall_v cease_v to_o make_v any_o such_o resistance_n nor_o do_v i_o see_v how_o the_o plenitude_n of_o nature_n shall_v as_o be_v here_o intimate_v hinder_v the_o extraction_n of_o the_o stopple_n for_o according_a to_o the_o plenist_n the_o world_n and_o the_o receiver_n must_v be_v at_o all_o time_n equal_o full_a and_o if_o the_o contiguous_a air_n must_v for_o mr_n hobbs_n reason_n necessary_o be_v extract_v with_o the_o stopple_n in_o one_o case_n i_o see_v not_o why_o the_o like_a shall_v not_o happen_v in_o another_o but_o since_o mr._n hobbs_n be_v please_v to_o call_v we_o experimentarian_a philosopher_n let_v we_o show_v that_o such_o explication_n as_o these_o of_o his_o need_n not_o make_v we_o ashamed_a of_o the_o name_n i_o say_v then_o that_o it_o appear_v by_o our_o experiment_n that_o there_o be_v no_o such_o fortissimus_fw-la conatus_fw-la circularis_fw-la in_o the_o exhaust_a receiver_n as_o he_o pretend_v but_o that_o there_o be_v indeed_o a_o endeavour_n of_o the_o ambient_fw-la atmosphere_n to_o press_v inward_o the_o part_n of_o the_o glass_n and_o cover_n that_o be_v contiguous_a to_o it_o for_o as_o i_o have_v also_o note_v already_o a_o light_a bladder_n suspend_v in_o the_o cavity_n of_o the_o receiver_n betray_v no_o such_o motion_n as_o mr._n hobbs_n here_o suppose_v to_o which_o i_o shall_v now_o add_v that_o neither_o be_v a_o pair_n of_o scale_n suspend_v within_o the_o same_o cavity_n nor_o be_v a_o long_a magnetical_a needle_n that_o rest_v upon_o the_o point_n of_o another_o needle_n at_o all_o whirl_v about_o by_o this_o imaginary_a motion_n of_o the_o air._n beside_o if_o you_o leisurely_o loosen_v the_o brass_n stopple_n so_o that_o it_o may_v be_v very_o near_o but_o not_o contiguous_a to_o the_o side_n of_o the_o socket_n you_o shall_v manifest_o perceive_v a_o strong_a current_n of_o air_n to_o flow_v into_o the_o receiver_n at_o that_o passage_n and_o more_o
eorundem_fw-la superficiali_fw-la vel_fw-la etiam_fw-la intricatione_fw-la not_o again_o to_o say_v any_o thing_n to_o his_o durum_fw-la primum_fw-la 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 shall_v need_v to_o be_v superad_v to_o the_o contact_n or_o intrication_n of_o the_o cohere_a firm_a corpuscle_n to_o procure_v a_o cohesion_n to_o which'tis_o needless_a and_o which_o in_o divers_a case_n may_v be_v rather_o hinder_v than_o further_v by_o it_o the_o three_o thing_n that_o mr._n hobbs_n allege_v be_v not_o so_o much_o a_o confirmation_n of_o his_o own_o doctrine_n as_o a_o objection_n as_o he_o seem_v to_o think_v against_o that_o of_o his_o adversary_n for_o si_fw-mi supponamus_fw-la say_v he_o present_o after_o his_o last-recited_n word_n 31._o cum_fw-la illis_fw-la duritiei_fw-la causam_fw-la esse_fw-la magnitudinem_fw-la aut_fw-la crassitiem_fw-la partium_fw-la quam_fw-la rationem_fw-la reddere_fw-la poterimus_fw-la cur_n durior_fw-la vel_fw-la firmior_fw-la sit_fw-la aqua_fw-la congelata_fw-la quam_fw-la est_fw-la eadem_fw-la aqua_fw-la ante_fw-la congelationem_fw-la but_o it_o may_v easy_o be_v reply_v that_o we_o make_v not_o the_o bigness_n or_o grossness_n of_o the_o part_n of_o a_o body_n the_o only_a or_o chief_a cause_n of_o its_o hardness_n but_o their_o rest_n by_o one_o another_o which_o the_o part_n of_o freeze_a water_n have_v whereas_o those_o of_o unfrozen_a water_n have_v it_o not_o but_o be_v in_o a_o state_n of_o fluidity_n and_o consequent_o not_o of_o firmness_n which_o may_v be_v illustrate_v by_o what_o i_o firmness_n elsewhere_o relate_v of_o pure_a oil_n of_o aniseed_n and_o a_o substance_n i_o distil_v out_o of_o benzoin_n both_o which_o body_n be_v sometime_o fluid_a and_o sometime_o consistent_a as_o the_o great_a or_o lesser_a warmth_n of_o the_o air_n keep_v their_o part_n in_o a_o due_a motion_n or_o suffer_v they_o to_o rest_v but_o in_o exchange_n of_o these_o few_o &_o unconcluding_a argument_n which_o be_v all_o that_o mr._n hobbs_n allege_v to_o countenance_v his_o paradox_n how_o many_o experiment_n and_o reason_n mightwe_v transcribe_v out_o of_o our_o history_n of_o fluidity_n and_o firmness_n in_o favour_n of_o the_o contrary_a truth_n and_o as_o critical_a as_o mr._n hobbs_n appear_v in_o lay_v down_o the_o requisite_n of_o a_o good_a hypothesis_n i_o must_v make_v bold_a to_o the_o two_o condition_n he_o mention_n pag._n 11._o ut_fw-la sit_fw-la conceptibilis_fw-la idest_fw-la non_fw-la absurda_fw-la which_o whether_o it_o be_v enough_o i_o now_o dispute_v not_o &_o ut_fw-la ab_fw-la ea_fw-la concessa_fw-la inferri_fw-la possit_fw-la phaenomeni_fw-la necessitas_fw-la to_o add_v a_o three_o namely_o that_o it_o be_v not_o inconsistent_a with_o any_o other_o truth_n or_o phaenomenon_n of_o nature_n which_o three_o condition_n whether_o divers_a of_o mr._n hobbs_n hypothesis_n which_o himself_o in_o this_o place_n call_v mirandae_fw-la do_v not_o want_v we_o have_v in_o part_n already_o consider_v in_o the_o treatise_n to_o which_o this_o be_v a_o appendix_n and_o as_o i_o new_o intimate_v i_o may_v further_o show_v as_o to_o his_o notion_n of_o fluidity_n and_o firmness_n if_o i_o will_v here_o repeat_v all_o the_o experiment_n mention_v in_o my_o history_n of_o they_o though_o they_o be_v not_o all_o that_o i_o have_v make_v ready_a to_o the_o same_o purpose_n against_o another_o opportunity_n but_o partly_o weariness_n and_o partly_o a_o natural_a unwillingness_n to_o repeat_v induce_v i_o rather_o to_o refer_v my_o reader_n thither_o which_o when_o i_o do_v i_o do_v not_o forget_v that_o mr._n hobbs_n appear_v offend_v at_o i_o and_o other_o for_o trouble_v ourselves_o to_o make_v un-obvious_a experiment_n but_o that_o i_o may_v not_o repeat_v what_o in_o divers_a treatise_n i_o represent_v concern_v the_o usefulness_n of_o such_o experiment_n i_o shall_v now_o only_o oppose_v to_o the_o authority_n of_o mr._n hobbs_n in_o this_o dialogue_n wherein_o he_o have_v be_v please_v to_o choose_v those_o he_o call_v the_o experimentarian_a philosopher_n for_o his_o adversary_n the_o authority_n and_o reason_n of_o the_o same_o mr._n hobbs_n in_o another_o dialogue_n publish_v but_o the_o year_n before_o where_o one_o of_o his_o two_o discourser_n have_v say_v qui_fw-la corpora_fw-la corporibus_fw-la admovendo_fw-la nova_fw-la &_o mirabilia_fw-la ostendunt_fw-la naturae_fw-la opera_fw-la mirum_fw-la in_o modum_fw-la incendunt_fw-la animos_fw-la hominum_fw-la 6._o amore_fw-la philosophiae_fw-la &_o ad_fw-la causas_fw-la investigandas_fw-la non_fw-la parum_fw-la instigant_fw-la eoque_fw-la nomine_fw-la laud_fw-la digni_fw-la sunt_fw-la the_o other_o confirm_v it_o by_o add_v it_o a_o est_fw-la nam_fw-la historiam_fw-la naturalem_fw-la sine_fw-la qua_fw-la scientia_fw-la naturalis_fw-la frustra_fw-la quaeritur_fw-la locupletant_fw-la and_o howsoever_o mr._n hobbs_n need_v not_o have_v recourse_n to_o such_o experiment_n as_o he_o will_v be_v think_v to_o disapprove_v i_o mean_v elaborate_v one_o to_o discern_v that_o his_o notion_n do_v not_o over-well_a agree_v with_o the_o phaenomena_n for_o if_o there_o be_v not_o a_o various_a motion_n in_o the_o small_a part_n of_o water_n and_o such_o liquor_n whence_o be_v it_o that_o a_o lump_n of_o common_a salt_n be_v throw_v into_o a_o pot_n of_o water_n be_v there_o dissolve_v into_o minute_n body_n whereof_o many_o be_v carry_v to_o the_o very_a top_n of_o the_o water_n and_o be_v so_o exquisite_o diffuse_v and_o mingle_v with_o the_o liquor_n that_o each_o least_o drop_n of_o it_o contain_v number_n of_o saline_n corpuscle_n and_o if_o motion_n be_v the_o cause_n rather_o of_o hardness_n than_o fluidity_n how_o come_v it_o to_o pass_v that_o in_o frosty_a weather_n ice_n be_v by_o heat_n which_o mr._n hobbs_n will_v not_o deny_v to_o be_v motion_n or_o a_o effect_n of_o it_o turn_v from_o a_o hard_a to_o a_o fluid_a body_n and_o that_o metal_n as_o gold_n and_o silver_n etc._n etc._n whilst_o they_o be_v either_o cold_a or_o expose_v but_o to_o a_o moderate_a heat_n be_v firm_a and_o consistent_a body_n and_o by_o a_o violent_a heat_n which_o do_v manifest_o give_v their_o part_n a_o various_a and_o vehement_a agitation_n as_o appear_v by_o their_o sudden_a dissipate_v of_o hospital_n grease_n and_o far_o more_o stable_a body_n cast_v upon_o they_o into_o smoke_n be_v put_v into_o a_o fluidity_n which_o upon_o their_o removal_n from_o the_o fire_n they_o quick_o exchange_v for_o firmness_n but_o since_o the_o want_n of_o more_o to_o say_v will_v not_o in_o haste_n put_v a_o period_n to_o this_o discourse_n i_o be_o content_a to_o let_v my_o haste_n break_v it_o off_o especial_o since_o after_o i_o have_v thus_o examine_v what_o mr._n hobbs_n teach_v concern_v fluidity_n and_o firmness_n either_o here_o or_o in_o that_o section_n of_o his_o element_n where_o he_o pretend_v to_o define_v they_o i_o think_v i_o need_v not_o fear_v that_o a_o doctrine_n which_o i_o have_v perhaps_o with_o some_o care_n endeavour_v to_o establish_v for_o the_o main_a upon_o experiment_n shall_v be_v overthrow_v by_o opinion_n who_o ground_n be_v but_o such_o as_o we_o have_v already_o see_v and_o in_o plead_v for_o which_o the_o author_n be_v please_v not_o only_o to_o leave_v almost_o all_o my_o argument_n untouched_a but_o not_o so_o much_o as_o to_o offer_v at_o explicate_v by_o his_o principle_n any_o of_o those_o numerous_a and_o important_a phaenomena_n of_o fluidity_n and_o firmness_n deliver_v in_o the_o treatise_n he_o oppose_v and_o now_o leave_v mr._n hobbs_n to_o apply_v myself_o to_o the_o reader_n i_o have_v to_o the_o thing_n hitherto_o discourse_v but_o this_o one_o thing_n to_o add_v concern_v they_o that_o as_o little_a cause_n as_o mr._n hobbs_n have_v hitherto_o give_v i_o to_o distrust_v what_o i_o have_v write_v of_o fluidity_n and_o firmness_n yet_o i_o be_o not_o now_o more_o confident_a of_o my_o conjecture_n than_o i_o be_v when_o towards_o the_o end_n of_o the_o preface_n to_o the_o history_n of_o these_o two_o quality_n i_o speak_v diffident_o enough_o of_o the_o theorical_a part_n of_o that_o treatise_n and_o i_o free_o confess_v that_o the_o great_a difficulty_n of_o thing_n and_o the_o little_a ability_n i_o find_v myself_o furnish_v with_o to_o surmount_v it_o do_v often_o in_o general_n beget_v in_o i_o a_o great_a distrust_n even_o of_o thing_n whereof_o my_o adversary_n objection_n give_v i_o not_o any_o finis_fw-la the_o citation_n english_v pag._n 12._o quanquam_fw-la vis_fw-la etc._n etc._n although_o the_o force_n of_o that_o motion_n in_o the_o evacuated_a receiver_n be_v diminish_v be_v oppress_v by_o the_o consistence_n of_o the_o air_n move_v within_o yet_o it_o be_v not_o extinguish_v and_o therefore_o that_o oppression_n be_v take_v off_o will_v have_v strength_n enough_o to_o excite_v a_o appearance_n of_o light_n though_o somewhat_o weak_a than_o ordinary_a p._n 13_o 14._o sine_fw-la etc._n etc._n without_o which_o hypothesis_n let_v never_o so_o much_o labour_n art_n cost_v be_v bestow_v for_o the_o
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
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
that_o lean_a upon_o they_o and_o as_o for_o the_o easy_a yield_n of_o the_o air_n to_o the_o body_n that_o move_v in_o it_o if_o we_o consider_v that_o the_o corpuscle_n whereof_o it_o consist_v though_o of_o a_o springy_a nature_n be_v yet_o so_o very_o small_a as_o to_o make_v up_o which_o it_o be_v manifest_a they_o do_v a_o fluid_a body_n it_o will_v not_o be_v difficult_a to_o conceive_v that_o in_o the_o air_n as_o in_o other_o body_n that_o be_v fluid_a the_o little_a body_n it_o consist_v of_o be_v in_o a_o almost_o restless_a motion_n whereby_o they_o become_v as_o we_o have_v more_o full_o discourse_v in_o another_o treatise_n firmness_n very_o much_o dispose_v to_o yield_v to_o other_o body_n or_o easy_a to_o be_v displace_v by_o they_o and_o that_o the_o same_o corpuscle_n be_v likewise_o so_o various_o move_v as_o they_o be_v entire_a corpuscle_n that_o if_o some_o strive_v to_o push_v a_o body_n place_v among_o they_o towards_o the_o right_a hand_n for_o instance_n other_o who_o motion_n have_v a_o opposite_a determination_n as_o strong_o thrust_v the_o same_o body_n towards_o the_o left_a whereby_o neither_o of_o they_o prove_v able_a to_o move_v it_o out_o of_o its_o place_n the_o pressure_n on_o all_o hand_n be_v reduce_v as_o it_o be_v to_o a_o aequilibrium_fw-la so_o that_o the_o corpuscle_n of_o the_o air_n must_v be_v as_o well_o sometime_o consider_v under_o the_o notion_n of_o little_a spring_n which_o remain_v bend_v be_v in_o their_o entire_a bulk_n transport_v from_o place_n to_o place_n as_o under_o the_o notion_n of_o spring_n display_v themselves_o who_o part_n fly_v abroad_o whilst_o as_o to_o their_o entire_a bulk_n they_o scarce_o change_v place_n as_o the_o two_o end_n of_o a_o bow_n shoot_v off_o fly_v from_o one_o another_o whereas_o the_o bow_n itself_o may_v be_v hold_v fast_o in_o the_o archer_n hand_n and_o that_o it_o be_v the_o equal_a pressure_n of_o the_o air_n on_o all_o side_n upon_o the_o body_n that_o be_v in_o it_o which_o cause_v the_o easy_a session_n of_o its_o part_n may_v be_v argue_v from_o hence_o that_o if_o by_o the_o help_n of_o our_o engine_n the_o air_n be_v but_o in_o great_a part_n though_o not_o total_o draw_v away_o from_o one_o side_n of_o a_o body_n without_o be_v draw_v away_o from_o the_o other_o he_o that_o shall_v think_v to_o move_v that_o body_n to_o and_o fro_o as_o easy_o as_o before_o will_v find_v himself_o much_o mistake_v in_o verification_n of_o which_o we_o will_v to_o divert_v your_o lordship_n a_o little_a mention_v here_o a_o phaenomenon_n of_o our_o engine_n which_o even_o to_o divers_a ingenious_a person_n have_v at_o first_o sight_n seem_v very_o wonderful_a experiment_n ii_o the_o thing_n that_o be_v wont_a to_o be_v admire_v and_o which_o may_v pass_v for_o our_o second_o experiment_n be_v this_o that_o if_o when_o the_o receiver_n be_v almost_o empty_a a_o by-stander_n be_v desire_v to_o lift_v up_o the_o brass_n key_n former_o describe_v as_o a_o stopple_n in_o the_o brass_n cover_n he_o will_v find_v it_o a_o difficult_a thing_n to_o do_v so_o if_o the_o vessel_n be_v well_o exhaust_v and_o even_o when_o but_o a_o moderate_a quantity_n of_o air_n have_v be_v draw_v out_o he_o will_v when_o he_o have_v lift_v it_o up_o a_o little_a so_o that_o it_o be_v somewhat_o loose_a from_o the_o side_n of_o the_o lip_n or_o socket_n which_o with_o the_o help_n of_o a_o little_a oil_n it_o exact_o fill_v before_o he_o will_v i_o say_v find_v it_o so_o difficult_a to_o be_v lift_v up_o that_o he_o will_v imagine_v there_o be_v some_o great_a weight_n fasten_v to_o the_o bottom_n of_o it_o and_o if_o as_o sometime_o have_v be_v do_v for_o merriment_n only_o a_o bladder_n be_v tie_v to_o it_o it_o be_v pleasant_a to_o see_v how_o man_n will_v marvel_n that_o so_o light_a a_o body_n fill_v at_o most_o but_o with_o air_n shall_v so_o forcible_o draw_v down_o their_o hand_n as_o if_o it_o be_v fill_v with_o some_o very_a ponderous_a thing_n whereas_o the_o cause_n of_o this_o pretty_a phaenomenon_n seem_v plain_o enough_o to_o be_v only_o this_o that_o the_o air_n in_o the_o receiver_n be_v very_o much_o dilate_v its_o spring_n must_v be_v very_o much_o weaken_v and_o consequent_o it_o can_v but_o faint_o press_v up_o the_o low_a end_n of_o the_o stopple_n whereas_o the_o spring_n of_o the_o external_a air_n be_v no_o way_n debilitate_a he_o that_o a_o little_a lift_v up_o the_o stopple_n must_v with_o his_o hand_n support_v a_o pressure_n equal_a to_o the_o disproportion_n betwixt_o the_o force_n of_o the_o internal_a expanded_a air_n and_o that_o of_o the_o atmosphere_n incumbent_a upon_o the_o upper_a part_n of_o the_o same_o key_n or_o stopple_n and_o so_o man_n be_v unused_a to_o find_v any_o resistance_n in_o lift_v thing_n up_o from_o the_o free_a air_n above_o they_o they_o be_v forward_o to_o conclude_v that_o that_o which_o depress_v their_o hand_n must_v needs_o be_v some_o weight_n though_o they_o know_v not_o where_o place_v draw_v beneath_o it_o and_o that_o we_o have_v not_o mis-assigned_a the_o cause_n of_o this_o phaenomenon_n seem_v evident_a enough_o by_o this_o that_o as_o air_n be_v suffer_v by_o little_a and_o little_a to_o get_v into_o the_o receiver_n the_o weight_n that_o a_o man_n fanci_v his_o hand_n support_v be_v manifest_o feel_v to_o decrease_v more_o and_o more_o the_o internal_a air_n by_o this_o recruit_v approach_v more_o to_o a_o aequilibrium_fw-la with_o the_o external_a till_o at_o length_n the_o receiver_n grow_v again_o full_a of_o air_n the_o stopple_n may_v be_v lift_v up_o without_o any_o difficulty_n at_o all_o by_o several_a other_o of_o the_o experiment_n afford_v we_o by_o our_o engine_n the_o same_o notion_n of_o the_o great_a and_o equal_a pressure_n of_o the_o free_a air_n upon_o the_o body_n it_o environ_n may_v be_v here_o manifest_v but_o that_o we_o think_v it_o not_o so_o fit_a to_o anticipate_v such_o experiment_n and_o therefore_o shall_v rather_o employ_v a_o few_o line_n to_o clear_v up_o the_o difficulty_n touch_v this_o matter_n which_o we_o have_v observe_v to_o have_v trouble_v some_o even_n of_o the_o philosophical_a and_o mathematical_a spectator_n of_o our_o engine_n who_o have_v wonder_v that_o we_o shall_v talk_v of_o the_o air_n exquisite_o shut_v up_o in_o our_o receiver_n as_o if_o it_o be_v all_o one_o with_o the_o pressure_n of_o the_o atmosphere_n whereas_o the_o thick_a and_o close_a body_n of_o the_o glass_n whole_o impervious_a to_o the_o air_n do_v manifest_o keep_v the_o incumbent_a pillar_n of_o the_o atmosphere_n from_o press_v in_o the_o least_o upon_o the_o air_n within_o the_o glass_n which_o it_o can_v no_o where_o come_v to_o touch_v to_o elucidate_v a_o little_a this_o matter_n let_v we_o consider_v that_o if_o a_o man_n shall_v take_v a_o fleece_n of_o wool_n and_o have_v first_o by_o compress_v it_o in_o his_o hand_n reduce_v it_o into_o a_o narrow_a compass_n shall_v nimble_o convey_v and_o shut_v it_o close_o up_o into_o a_o box_n just_o fit_a for_o it_o though_o the_o force_n of_o his_o hand_n will_v then_o no_o long_o bend_v those_o numerous_a springy_a body_n that_o compose_v the_o fleece_n yet_o they_o will_v continue_v as_o strong_o bend_v as_o before_o because_o the_o box_n they_o be_v enclose_v in_o will_v as_o much_o resist_v their_o re-expanding_a of_o themselves_o as_o do_v the_o hand_n that_o put_v they_o in_o for_o thus_o we_o may_v conceive_v that_o the_o air_n be_v shut_v up_o when_o its_o part_n be_v bend_v by_o the_o whole_a weight_n of_o the_o incumbent_a atmosphere_n though_o that_o weight_n can_v no_o long_o lean_v upon_o it_o by_o reason_n it_o be_v keep_v off_o by_o the_o glass_n yet_o the_o corpuscle_n of_o the_o air_n within_o that_o glass_n continue_v as_o forcible_o bend_v as_o they_o be_v before_o their_o inclusion_n because_o the_o side_n of_o the_o glass_n hinder_v they_o from_o display_v or_o stretch_v out_o themselves_o and_o if_o it_o be_v object_v that_o this_o be_v unlikely_a because_o even_o glass_n bubble_n such_o as_o be_v wont_a to_o be_v blow_v at_o the_o flame_n of_o a_o lamp_n exceed_v thin_a and_o hermetical_o seal_v will_v not_o break_v whereas_o it_o can_v be_v imagine_v that_o so_o thin_a a_o prison_n of_o glass_n can_v resist_v the_o elastical_a force_n of_o all_o the_o include_v air_n if_o that_o air_n be_v so_o compress_v as_o we_o suppose_v it_o may_v be_v easy_o reply_v that_o the_o pressure_n of_o the_o inward_a air_n against_o the_o glass_n be_v countervail_v by_o the_o equal_a pressure_n of_o the_o outward_a against_o the_o same_o glass_n and_o we_o see_v in_o bubble_n that_o by_o reason_n of_o this_o a_o exceed_a thin_a film_n of_o water_n be_v often_o able_a for_o
suspicion_n the_o experiment_n about_o the_o coal_n may_v easy_o suggest_v and_o which_o the_o event_n declare_v not_o to_o have_v be_v altogether_o groundless_a for_o upon_o the_o admission_n of_o the_o external_a air_n the_o fire_n that_o seem_v to_o have_v go_v out_o a_o pretty_a while_n before_o do_v present_o revive_v and_o be_v as_o it_o be_v refresh_v by_o the_o new_a air_n and_o blow_v by_o the_o wind_n make_v by_o that_o air_n in_o rush_v in_o it_o begin_v again_o to_o shine_v and_o dissipate_v the_o neighbour_a fuel_n into_o smoke_n as_o formal_o experiment_n xiii_o a_o while_o after_o we_o let_v down_o into_o the_o receiver_n together_o with_o a_o light_a piece_n of_o match_n a_o great_a bladder_n well_o tie_v at_o the_o neck_n but_o very_o lank_a as_o not_o contain_v actual_o much_o if_o any_o thing_n above_o a_o pint_n of_o air_n but_o be_v capable_a of_o contain_v ten_o or_o twelve_o time_n as_o much_o our_o scope_n in_o this_o experiment_n be_v partly_o to_o try_v whether_o or_o no_o the_o smoke_n of_o the_o match_n replenish_n the_o receiver_n will_v be_v able_a to_o hinder_v the_o dilatation_n of_o the_o inward_a air_n upon_o the_o exsuction_n of_o the_o ambient_fw-la and_o partly_o to_o discover_v whether_o the_o extinction_n of_o the_o fire_n in_o the_o match_n do_v proceed_v from_o want_n of_o air_n or_o bare_o from_o the_o pressure_n of_o its_o own_o fume_n which_o for_o want_v of_o room_n to_o expand_v themselves_o in_o may_v be_v suppose_v to_o recoil_v upon_o the_o fire_n and_o so_o to_o stifle_v it_o the_o event_n of_o our_o trial_n be_v that_o at_o the_o begin_n of_o our_o pump_v the_o match_n appear_v well_o light_v though_o it_o have_v almost_o fill_v the_o receiver_n with_o its_o plentiful_a fume_n but_o by_o degree_n it_o burn_v more_o and_o more_o dim_o notwithstanding_o that_o by_o the_o nimble_a draw_v out_o the_o air_n and_o smoke_n the_o vessel_n be_v make_v less_o opacous_a and_o less_o full_a of_o compress_v matter_n as_o appear_v by_o this_o that_o the_o long_o we_o pump_v the_o less_o air_n and_o smoke_n come_v out_o of_o the_o cylinder_n at_o the_o open_n of_o the_o valve_n and_o consequent_o the_o less_o come_v into_o it_o before_o yet_o the_o fire_n in_o the_o match_n go_v but_o slow_o out_o and_o when_o afterward_o to_o satisfy_v ourselves_o of_o its_o expiration_n we_o have_v darken_v the_o room_n and_o in_o vain_a endeavour_v to_o discover_v any_o spark_n of_o fire_n as_o we_o can_v not_o for_o some_o time_n before_o by_o the_o help_n of_o candle_n discern_v the_o least_o rise_n of_o smoke_n we_o yet_o continue_v pump_v six_o or_o seven_o time_n and_o after_o all_o that_o let_v in_o the_o air_n the_o seem_o dead_a fire_n quick_o revive_v and_o manifest_v its_o recovery_n by_o light_n and_o store_n of_o smoke_n with_o the_o latter_a of_o which_o it_o quick_o begin_v to_o replenish_v the_o receiver_n then_o we_o fall_v to_o pump_v afresh_o and_o continue_v that_o labour_n so_o long_o till_o the_o re_fw-mi kindle_v match_n go_v out_o again_o and_o think_v it_o then_o fit_v not_o to_o cease_v from_o pump_v so_o soon_o as_o before_o we_o find_v that_o in_o less_o than_o half_a a_o quarter_n of_o a_o hour_n the_o fire_n be_v get_v out_o for_o good_a and_o all_o and_o past_o the_o possibility_n of_o be_v recover_v by_o the_o readmit_v air._n some_o circumstance_n beside_o those_o already_o mention_v occur_v in_o the_o make_n of_o the_o experiment_n of_o which_o these_o be_v the_o principal_a first_o when_o the_o receiver_n be_v full_a of_o smoke_n if_o the_o cylinder_n be_v empty_v immediate_o upon_o the_o turn_n of_o the_o stop-cock_n the_o receiver_n will_v appear_v manifest_o darken_v to_o his_o eye_n that_o look_v upon_o the_o light_n through_o it_o and_o this_o darkness_n be_v much_o less_o when_o the_o receiver_n be_v much_o less_o fill_v with_o fume_n it_o be_v also_o instantaneous_a and_o seem_v to_o proceed_v from_o a_o sudden_a change_n of_o place_n and_o situation_n in_o the_o exhalation_n upon_o the_o vent_n sudden_o afford_v they_o and_o the_o air_n they_o be_v mix_v with_o out_o of_o the_o receiver_n into_o the_o cylinder_n the_o next_o thing_n we_o observe_v be_v a_o kind_n of_o halo_n that_o appear_v a_o good_a while_n about_o the_o fire_n and_o seem_v to_o be_v produce_v by_o the_o surround_v exhalation_n and_o last_o it_o be_v remarkable_a that_o even_o when_o the_o fume_n seem_v most_o to_o replenish_v the_o receiver_n they_o do_v not_o sensible_o hinder_v the_o air_n include_v in_o the_o bladder_n from_o dilate_v itself_o after_o the_o same_o manner_n for_o aught_o we_o can_v discern_v as_o it_o will_v have_v otherwise_o do_v so_o that_o before_o the_o fire_n or_o the_o match_n be_v quite_o extinct_a the_o bladder_n appear_v swell_v at_o least_o to_o six_o or_o seven_o time_n its_o former_a capacity_n since_o the_o write_n of_o these_o last_o line_n we_o take_v a_o small_a receiver_n capable_a of_o contain_v by_o guess_n about_o a_o pound_n and_o a_o half_a of_o water_n and_o in_o the_o midst_n of_o it_o we_o suspend_v a_o light_a match_n but_o though_o within_o one_o minute_n of_o a_o hour_n or_o there_o about_o from_o the_o put_n in_o of_o the_o match_n we_o have_v cement_v on_o the_o cover_n yet_o we_o can_v not_o make_v such_o haste_n but_o that_o before_o we_o begin_v to_o pump_v the_o smoke_n have_v so_o fill_v that_o small_a receiver_n as_o for_o aught_o we_o discern_v to_o choke_v the_o fire_n and_o have_v again_o and_o again_o reiterated_a the_o experiment_n it_o seem_v still_o as_o at_o first_o that_o we_o can_v not_o close_o up_o the_o vessel_n and_o pump_v out_o all_o the_o fume_n time_n enough_o to_o rescue_v the_o fire_n from_o extinction_n whereupon_o we_o make_v use_v of_o this_o expedient_a assoon_o as_o we_o have_v pump_v once_o or_o twice_o we_o sudden_o turn_v the_o key_n and_o thereby_o give_v access_n to_o the_o exclude_v air_n which_o rush_v violent_o in_o as_o if_o it_o have_v be_v force_v through_o a_o pair_n of_o bellows_o do_v both_o drive_v away_o the_o ash_n fill_v the_o glass_n with_o fresh_a air_n and_o by_o blow_v the_o almost_o extinguish_v fire_n re-kindled_a it_o as_o appear_v by_o the_o match_n begin_v again_o to_o smoke_n which_o before_o it_o have_v cease_v to_o do_v we_o have_v by_o this_o mean_v obtain_v a_o light_a match_n in_o the_o receiver_n without_o be_v reduce_v to_o spend_v time_n to_o close_v it_o up_o command_v the_o air_n to_o be_v immediate_o pump_v out_o and_o find_v that_o upon_o the_o exsuction_n of_o it_o the_o match_n quick_o leave_v smoke_v as_o it_o seem_v by_o reason_n of_o the_o absence_n of_o the_o air_n and_o yet_o if_o some_o urgent_a occasion_n have_v not_o hinder_v we_o we_o will_v for_o great_a security_n have_v try_v whether_o or_o no_o the_o match_n rekindle_v as_o former_o will_v smoke_v much_o long_o in_o case_n of_o no_o exsuction_n of_o the_o ambient_fw-la air._n experiment_n fourteen_o to_o try_v diverse_a thing_n at_o once_o and_o particular_o whether_o fire_n though_o we_o find_v it_o will_v not_o long_o last_v may_v not_o be_v produce_v in_o our_o evacuated_a receiver_n we_o take_v a_o pistol_n of_o about_o a_o foot_n in_o length_n and_o have_v firm_o tie_v it_o to_o a_o stick_n almost_o as_o long_o as_o the_o cavity_n of_o the_o receiver_n we_o very_o careful_o prime_v it_o with_o well_o dry_a gunpowder_n and_o then_o cock_v it_o we_o tie_v to_o the_o tricker_n one_o end_n of_o a_o string_n who_o other_o end_n be_v fasten_v to_o the_o key_n former_o mention_v to_o belong_v to_o the_o cover_n of_o our_o receiver_n this_o do_v we_o convey_v the_o pistol_n together_o with_o the_o annex_v staff_n into_o the_o vessel_n which_o be_v close_v up_o and_o empty_v aster_n the_o usual_a manner_n we_o begin_v to_o turn_v the_o key_n in_o the_o cover_n and_o thereby_o shorten_v the_o string_n that_o reach_v from_o it_o to_o the_o pistol_n we_o pull_v aside_o the_o tricker_n and_o observe_v that_o according_a to_o our_o expectation_n the_o force_n of_o the_o spring_n of_o the_o lock_n be_v not_o sensible_o abate_v by_o the_o absence_n of_o the_o air_n from_o who_o impetus_fw-la yet_o some_o modern_a naturalist_n will_v derive_v the_o cause_n of_o the_o motion_n of_o restitution_n in_o solid_a body_n for_o the_o cock_n fall_v with_o its_o wont_a violence_n upon_o the_o steel_n strike_v out_o of_o it_o as_o many_o and_o as_o conspicuous_a part_n of_o fire_n as_o for_o aught_o we_o can_v perceive_v it_o will_v have_v do_v in_o the_o open_a air._n repeat_v this_o experiment_n diverse_a time_n we_o also_o observe_v whether_o or_o no_o there_o will_v appear_v any_o considerable_a diversity_n in_o the_o motion_n of_o the_o shine_a spark_n in_o
very_a little_a external_a help_n will_v easy_o surmount_v that_o impediment_n and_o then_o the_o sucker_n will_v for_o a_o while_n continue_v its_o former_o interrupt_a motion_n though_o that_o assistance_n be_v withdraw_v but_o this_o discouragement_n do_v not_o deter_v we_o from_o prosecute_a our_o experiment_n and_o endeavour_v by_o a_o careful_a trial_n to_o make_v it_o as_o instructive_a as_o we_o can_v we_o find_v then_o that_o a_o leaden_a weight_n of_o 28_o pound_n each_o consist_v of_o sixteen_o ounce_n be_v fasten_v to_o one_o of_o the_o tooth_n of_o the_o sucker_n draw_v it_o down_o close_o enough_o when_o the_o upper_a orifice_n of_o the_o cylinder_n be_v leave_v open_a though_o by_o the_o help_n of_o oil_n and_o water_n and_o by_o the_o frequent_a move_v the_o sucker_n up_o and_o down_o with_o the_o manubrium_fw-la its_o motion_n in_o the_o cylinder_n have_v be_v before_o purposely_o facilitated_a this_o do_v the_o upper_a orifice_n of_o the_o cylinder_n be_v very_o careful_o and_o close_o stop_v the_o valve_n be_v likewise_o shut_v with_o its_o wont_a stopple_n well_o oil_v after_o the_o sucker_n have_v be_v again_o impel_v up_o to_o the_o top_n of_o the_o cylinder_n then_o to_o the_o precedent_n twenty_o eight_o pound_n we_o add_v a_o hundred_o and_o twelve_o pound_n more_o which_o force_v down_o the_o sucker_n though_o but_o leisurely_o we_o take_v off_o the_o twenty_o eight_o pound_n weight_n and_o be_v unable_a to_o procure_v just_a such_o weight_n as_o we_o will_v have_v have_v we_o hang_v on_o instead_o of_o it_o one_o of_o fourteen_o pound_n but_o find_v that_o with_o the_o rest_n unable_a to_o carry_v down_o the_o sucker_n and_o to_o satisfy_v ourselves_o and_o the_o spectator_n that_o it_o be_v the_o resistance_n of_o the_o ambient_fw-la air_n that_o hinder_v the_o descent_n of_o so_o great_a a_o weight_n after_o that_o we_o have_v try_v that_o upon_o unstop_v the_o valve_n and_o thereby_o open_v a_o access_n to_o the_o external_a air_n the_o sucker_n will_v be_v immediate_o draw_v down_o after_o this_o i_o say_v we_o make_v this_o far_a experiment_n that_o have_v by_o a_o man_n strength_n forcible_o depress_v the_o sucker_n to_o the_o bottom_n of_o the_o cylinder_n and_o then_o fasten_v weight_n to_o the_o abovenamed_a iron_n that_o make_v part_n of_o that_o sucker_n the_o pressure_n of_o the_o external_a air_n find_v little_a or_o nothing_o in_o the_o cavity_n of_o the_o evacuated_a cylinder_n to_o resist_v it_o do_v present_o begin_v to_o impel_v the_o sucker_n with_o the_o weight_n that_o clog_v it_o towards_o the_o upper_a part_n of_o the_o cylinder_n till_o some_o such_o accidental_a impediment_n as_o we_o former_o mention_v check_v its_o course_n and_o when_o that_o rub_n which_o easy_o may_v be_v be_v take_v out_o of_o the_o way_n it_o will_v continue_v its_o ascent_n to_o the_o top_n to_z the_o no_o small_a wonder_n of_o those_o bystander_n that_o can_v not_o comprehend_v how_o such_o a_o weight_n can_v ascend_v as_o it_o be_v of_o itself_o that_o be_v without_o any_o invisible_a force_n or_o so_o much_o as_o suction_n to_o listen_v it_o up_o and_o indeed_o it_o be_v very_o considerable_a that_o though_o possible_o there_o may_v remain_v some_o particle_n of_o air_n in_o the_o cylinder_n after_o the_o draw_v down_o of_o the_o sucker_n yet_o the_o pressure_n of_o a_o cylinder_n of_o the_o atmosphere_n somewhat_o less_o than_o three_o inch_n in_o diameter_n for_o as_o it_o be_v say_v in_o the_o description_n of_o our_o engine_n the_o cavity_n of_o the_o cylinder_n be_v no_o broad_a be_v able_a uncompress_v not_o only_o to_o sustain_v but_o even_o to_o drive_v up_o a_o weight_n of_o a_o hundred_o and_o odd_a pound_n for_o beside_o the_o weight_n of_o the_o whole_a sucker_n itself_o which_o amount_v to_o some_o pound_n the_o weight_n annex_v to_o it_o make_v up_o a_o hundred_o and_o three_o pound_n beside_o a_o iron_n bar_n that_o by_o conjecture_n weigh_v two_o pound_n more_o and_o yet_o all_o these_o together_o fall_v somewhat_o short_a of_o the_o weight_n which_o we_o late_o mention_v the_o resistance_n of_o the_o air_n to_o have_v hold_v suspend_v in_o the_o cavity_n of_o the_o cylinder_n and_o though_o as_o have_v be_v already_o acknowledge_v we_o can_v peradventure_o obtain_v by_o the_o recite_v mean_n so_o exact_a a_o account_n as_o be_v to_o be_v wish_v of_o what_o we_o will_v discover_v yet_o if_o it_o serve_v we_o to_o ground_n conjecture_n more_o approach_v to_o the_o truth_n than_o we_o have_v hitherto_o meet_v with_o i_o hope_v it_o will_v be_v consider_v which_o a_o famous_a poet_n judicious_o say_v est_fw-la quoddam_fw-la prodire_fw-la tenus_fw-la si_fw-la non_fw-la datur_fw-la ultra_fw-la peradventure_o it_o will_v not_o be_v impertinent_a to_o annex_v to_o the_o other_o circumstance_n that_o have_v be_v already_o set_v down_o concern_v this_o experiment_n that_o it_o be_v make_v in_o winter_n in_o wether_n neither_o frosty_a nor_o rainy_n about_o the_o 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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 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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 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we_o make_v use_v of_o a_o
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somewhat_o wonder_v at_o it_o and_o lock_v it_o up_o again_o in_o the_o same_o press_n we_o resolve_v to_o observe_v both_o whether_o the_o like_a change_n will_v again_o appear_v in_o our_o tincture_n and_o whether_o in_o case_n they_o shall_v appear_v they_o will_v be_v ascribable_a to_o the_o alteration_n of_o the_o wether_n but_o though_o during_o the_o great_a part_n of_o a_o winter_n and_o a_o spring_n we_o take_v pleasure_n to_o observe_v how_o the_o liquor_n will_v often_o grow_v turbid_v and_o after_o a_o while_o clear_a again_o yet_o we_o can_v not_o find_v that_o these_o mutation_n depend_v upon_o any_o that_o be_v manifest_a in_o the_o air_n which_o will_v be_v often_o dark_a and_o cloud_v when_o the_o tincture_n be_v clear_a and_o transparent_a as_o on_o the_o other_o side_n in_o clear_a wether_n the_o liquor_n will_v appear_v sometime_o trouble_v and_o more_o opacous_a
so_o that_o be_v unable_a to_o give_v a_o account_n of_o these_o odd_a change_n in_o our_o tincture_n which_o we_o suppose_v we_o have_v not_o yet_o lose_v though_o we_o know_v not_o whether_o it_o have_v lose_v its_o fickle_a nature_n either_o by_o those_o of_o the_o air_n or_o any_o thing_n else_o that_o occur_v to_o our_o thought_n we_o can_v not_o but_o suspect_v that_o there_o may_v be_v in_o divers_a body_n as_o it_o be_v spontaneous_a mutation_n that_o be_v such_o change_n as_o depend_v not_o upon_o manifest_a cause_n but_o my_o lord_n what_o have_v be_v all_o this_o while_n say_v concern_v our_o phaenomenon_n be_v offer_v to_o you_o not_o as_o contain_v a_o satisfactory_a account_n of_o it_o but_o to_o assist_v you_o to_o give_v yourself_o one_o experiment_n xxxviii_o we_o take_v a_o glass_n vessel_n open_a at_o the_o top_n and_o into_o it_o we_o put_v a_o mixture_n of_o snow_n and_o common_a salt_n such_o a_o mixture_n as_o we_o have_v in_o another_o treatise_n large_o discourse_v of_o and_o into_o the_o midst_n of_o this_o mixture_n we_o set_v a_o glass_n of_o a_o cylindrical_a form_n close_o stop_v at_o the_o low_a end_n with_o plaster_n and_o open_a at_o the_o upper_a at_o which_o we_o fill_v it_o with_o common_a water_n these_o thing_n be_v let_v down_o into_o the_o receiver_n and_o the_o pump_n be_v set_v on_o work_n the_o snow_n begin_v to_o melt_v somewhat_o fast_o than_o we_o expect_v whether_o upon_o the_o account_n of_o the_o exsuction_n of_o the_o air_n or_o because_o there_o be_v but_o little_a of_o the_o snow_n or_o whether_o for_o any_o other_o reason_n it_o appear_v doubtful_a but_o however_o by_o that_o time_n the_o receiver_n have_v be_v considerable_o exhaust_v which_o be_v do_v in_o less_o than_o ¼_n of_o a_o hour_n we_o perceive_v the_o water_n near_o the_o bottom_n of_o the_o glass_n cylinder_n to_o frieze_n and_o the_o ice_n by_o a_o little_a long_o stay_v seem_v to_o increase_v and_o to_o rise_v somewhat_o high_o than_o the_o 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look_v back_o to_o it_o and_o take_v notice_n of_o what_o i_o find_v there_o against_o the_o vacuist_n for_o though_o i_o neither_o be_o bind_v nor_o intend_v in_o this_o discourse_n to_o declare_v myself_o for_o or_o against_o a_o vacuum_n yet_o since_o i_o be_o now_o write_v against_o the_o funicular_a hypothesis_n it_o will_v much_o conduce_v to_o show_v that_o it_o be_v not_o firm_o ground_v if_o i_o examine_v what_o he_o here_o allege_v against_o the_o assertor_n of_o a_o vacuum_n in_o the_o next_o place_n therefore_o i_o consider_v that_o according_a to_o the_o examiner_n there_o can_v be_v no_o vacuum_n and_o that_o he_o make_v to_o be_v the_o main_a reason_n why_o nature_n in_o the_o torricellian_a and_o our_o experiment_n do_v act_n after_o so_o extraordinary_a a_o manner_n as_o be_v requisite_a to_o the_o production_n of_o his_o funiculus_fw-la for_o in_o the_o 47_o the_o page_z have_v in_o his_o adversary_n name_v demand_v what_o need_n there_o be_v at_o the_o descent_n of_o the_o quicksilver_n that_o before_o it_o fall_v a_o superficies_n shall_v be_v separate_v from_o it_o and_o extend_v respondeo_fw-la say_v he_o ideo_fw-la hoc_fw-la fieri_fw-la ne_fw-la detur_fw-la vacuum_fw-la cum_fw-la nihil_fw-la aliud_fw-la ibi_fw-la adsit_fw-la quod_fw-la loco_fw-la argenti_fw-la descendentis_fw-la possit_fw-la succedere_fw-la to_o which_o he_o immediate_o subjoin_v with_o what_o cogency_n i_o will_v not_o now_o examine_v atque_fw-la hinc_fw-la plane_n confirmatur_fw-la common_a illud_fw-la per_fw-la tot_fw-la jam_fw-la elapsa_fw-la secula_fw-la usurpatum_fw-la in_o scholis_fw-la axioma_fw-la viz._n naturam_fw-la à _fw-la vacuo_fw-la abhorrere_fw-la and_o though_o he_o seem_v to_o make_v his_o funiculus_fw-la the_o immediate_a cause_n of_o the_o phaenomena_n occur_v in_o the_o torricellian_a and_o our_o experiment_n yet_o that_o if_o you_o pursue_v the_o inquiry_n a_o little_a high_o he_o resolve_v they_o into_o nature_n abhorrency_n of_o a_o vacuum_n himself_o plain_o inform_v we_o in_o the_o next_o page_n nam_fw-la licet_fw-la say_v he_o immediata_fw-la ratio_fw-la cur_n aqua_fw-la v._n g._n ex_fw-la hydria_fw-la hortulana_fw-la superne_fw-la clausa_fw-la quo_fw-la exemplo_fw-la utuntur_fw-la non_fw-la descendat_fw-la non_fw-la sit_fw-la metus_fw-la va_fw-fr vi_o 48._o sed_fw-la ea_fw-la quam_fw-la modo_fw-la diximus_fw-la nempe_fw-la quod_fw-la non_fw-la detur_fw-la sufficiens_fw-la pondus_fw-la ad_fw-la solvendum_fw-la illum_fw-la nexum_fw-la quo_fw-la adhaereat_fw-la aqua_fw-la clausae_fw-la hydriae_fw-la summitati_fw-la ad_fw-la eam_fw-la tamen_fw-la rationem_fw-la tandem_fw-la necessario_fw-la veniendum_fw-la est_fw-la but_o though_o as_o well_o our_o author_n be_v funiculus_fw-la as_o the_o other_o scarce_o conceivable_a hypothesis_n that_o learn_v man_n have_v devise_v to_o account_v for_o the_o suspension_n of_o the_o quicksilver_n otherwise_o than_o by_o the_o resistance_n of_o the_o external_a air_n seem_v to_o have_v be_v 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aliquâ_fw-la substantiâ_fw-la repletum_fw-la but_o to_o this_o argument_n have_v already_o give_v a_o answer_n let_v we_o without_o stay_v to_o urge_v that_o the_o vacuist_n will_v perhaps_o object_v that_o they_o see_v not_o a_o necessity_n though_o they_o shall_v admit_v of_o traction_n in_o the_o case_n that_o the_o internal_a substance_n must_v therefore_o perfect_o replenish_v the_o desert_a cavity_n without_o press_v this_o i_o say_v let_v we_o consider_v his_o other_o which_o he_o draw_v from_o the_o diaphaneity_n of_o the_o desert_a part_n of_o the_o tube_n which_o space_n he_o say_v be_v it_o empty_a will_v appear_v like_o a_o little_a black_a pillar_n eo_fw-la quod_fw-la nullae_fw-la species_n visuales_fw-la neque_fw-la ab_fw-la eo_fw-la neque_fw-la per_fw-la illud_fw-la possunt_fw-la ad_fw-la oculum_fw-la pervenire_fw-la but_o not_o to_o engage_v ourselves_o in_o optical_a speculation_n and_o controversy_n if_o we_o grant_v he_o somewhat_o more_o than_o perhaps_o he_o can_v prove_v yet_o as_o the_o experiment_n will_v not_o demonstrate_v that_o there_o be_v nothing_o of_o body_n in_o any_o part_n of_o the_o space_n desert_v by_o the_o mercury_n so_o neither_o will_v the_o argument_n conclude_v as_o the_o proposer_n of_o it_o do_v twice_o in_o this_o chapter_n that_o space_n ver_fw-la â_fw-la aliquâ_fw-la substantiâ_fw-la repleri_fw-la for_o according_a to_o the_o hypothesis_n of_o the_o epicurean_o and_o other_o atomist_n who_o make_v light_a to_o be_v a_o corporeal_a effluvium_fw-la from_o lucid_a body_n and_o to_o consist_v of_o atom_n so_o minute_n as_o free_o to_o get_v in_o at_o the_o narrow_a pore_n of_o glass_n there_o will_v be_v no_o cause_n to_o deny_v intersperse_v vacuity_n in_o the_o upper_a part_n of_o the_o tube_n for_o the_o corpuscle_n of_o light_n that_o permeate_n that_o space_n may_v be_v so_o numerous_a as_o to_o leave_v no_o sensible_a part_n of_o it_o un-inlightned_n and_o yet_o may_v have_v so_o many_o little_a empty_a interval_n betwixt_o they_o that_o if_o all_o that_o be_v corporeal_a in_o the_o space_n we_o speak_v of_o be_v unite_v into_o one_o lump_n it_o will_v not_o perhaps_o adequate_o fill_v the_o one_o half_n not_o to_o say_v the_o ten_o or_o even_o the_o hundred_o part_n of_o the_o whole_a space_n according_a to_o what_o we_o have_v note_v in_o the_o 17._o experiment_n that_o a_o
the_o only_a example_n whereby_o he_o endeavour_v to_o illustrate_v the_o generation_n of_o his_o funiculus_fw-la yet_o i_o presume_v he_o scarce_o expect_v we_o shall_v think_v it_o a_o apposite_a one_o for_o beside_o that_o there_o here_o intervene_v a_o conspicuous_a and_o powerful_a agent_n namely_o a_o actual_a fire_n to_o sever_v and_o agitate_v the_o part_n of_o the_o candle_n and_o beside_o that_o there_o be_v a_o manifest_a waste_n of_o the_o wax_n or_o tallow_n turn_v into_o flame_n beside_o these_o thing_n i_o say_v we_o must_v not_o admit_v that_o the_o fuel_n when_o turn_v into_o a_o flame_n do_v real_o fill_v i_o say_v not_o with_o our_o author_n more_o than_o a_o thousand_o time_n but_o so_o much_o as_o twice_o more_o of_o genuine_a space_n than_o the_o wax_n it_o be_v make_v of_o for_o it_o may_v be_v say_v that_o the_o flame_n be_v little_a or_o nothing_o else_o than_o a_o aggregate_v of_o those_o corpuscle_n which_o before_o lie_v upon_o the_o upper_a superficies_n of_o the_o candle_n and_o by_o the_o violent_a heat_n be_v divide_v into_o minute_a particle_n vehement_o agitate_a and_o bring_v from_o lie_v as_o it_o be_v upon_o a_o flat_a to_o beat_v off_o one_o another_o and_o make_v up_o about_o the_o wiek_n such_o a_o figure_n as_o be_v usual_a in_o the_o flame_n of_o candle_n burn_v in_o the_o free_a air._n nor_o will_v it_o necessary_o follow_v that_o the_o space_n which_o the_o flame_n seem_v to_o take_v up_o shall_v contain_v neither_o air_n nor_o aether_n nor_o any_o thing_n else_o save_o the_o part_n of_o that_o flame_n because_o the_o eye_n can_v discern_v any_o other_o body_n there_o for_o even_o the_o smoke_n ascend_v from_o the_o snuff_n of_o a_o newly-extinguished_a candle_n appear_v a_o dark_a pillar_n which_o to_o the_o eye_n at_o some_o distance_n seem_v to_o consist_v of_o smoke_n when_o as_o yet_o there_o be_v so_o many_o aerial_a and_o other_o invisible_a corpuscle_n mingle_v with_o it_o as_o if_o all_o those_o part_n of_o smoke_n that_o make_v a_o great_a show_n in_o the_o air_n be_v collect_v and_o contiguous_a they_o will_v not_o perhaps_o amount_v to_o the_o bigness_n of_o a_o pin_n head_n as_o may_v appear_v by_o the_o great_a quantity_n of_o stream_n that_o in_o chemical_a vessel_n be_v wont_a to_o go_v to_o the_o make_v up_o of_o one_o drop_n of_o spirit_n and_o therefore_o it_o do_v not_o ill_o fall_v out_o for_o our_o turn_n that_o the_o examiner_n to_o enforce_v his_o former_a example_n allege_v the_o turn_n of_o a_o particle_n of_o quicksilver_n into_o vapour_n by_o put_v fire_n under_o it_o for_o if_o such_o be_v the_o rarefaction_n of_o mercury_n it_o be_v not_o at_o all_o like_a to_o make_v such_o a_o funiculus_fw-la as_o he_o talk_v of_o since_o those_o mercurial_a fume_n appear_v by_o divers_a experiment_n to_o be_v mercury_n divide_v and_o throw_v abroad_o into_o minute_n part_n whereby_o though_o the_o body_n obtain_v more_o of_o surface_n than_o it_o have_v before_o yet_o it_o real_o fill_v no_o more_o of_o true_a and_o genuine_a space_n since_o if_o all_o the_o particular_a little_a space_n fill_v by_o these_o scatter_a corpuscle_n be_v reduce_v into_o one_o as_o the_o corpuscle_n themselves_o often_o be_v in_o chemical_a operation_n they_o will_v amount_v but_o to_o one_o total_a space_n equal_a to_o that_o of_o the_o whole_a mercury_n before_o rarefaction_n but_o these_o objection_n against_o this_o explication_n be_v not_o all_o that_o i_o have_v to_o say_v against_o our_o adversary_n funiculus_fw-la itself_o for_o i_o far_o demand_v how_o the_o funiculus_fw-la come_v by_o such_o hook_n or_o graple-iron_n or_o part_n of_o the_o like_a shape_n to_o take_v fast_o hold_v of_o all_o contiguous_a body_n and_o even_o the_o smooth_a such_o as_o glass_n and_o the_o calm_a surface_n of_o quicksilver_n water_n oil_n and_o other_o fluid_n and_o how_o these_o slender_a and_o invisible_a hook_n can_v only_o in_o the_o terse_a body_n find_v a_o innumerable_a company_n of_o ear_n or_o loop_n to_o take_v hold_v on_o but_o hold_v so_o strong_o that_o they_o be_v able_a not_o alone_o to_o lift_v up_o a_o tall_a cylinder_n of_o that_o very_a ponderous_a metal_n of_o quicksilver_n but_o to_o draw_v inward_o the_o side_n of_o strong_a glass_n so_o forcible_o as_o to_o break_v they_o all_o to_o piece_n and_o it_o be_v also_o somewhat_o strange_a that_o water_n and_o other_o fluid_a body_n who_o part_n be_v wont_a to_o be_v so_o easy_o separable_a shall_v when_o the_o funiculus_fw-la once_o lay_n hold_v on_o the_o superficial_a corpuscle_n present_o emulate_v the_o nature_n of_o consistent_a body_n and_o be_v draw_v up_o like_o mass_n each_o of_o they_o of_o a_o entire_a piece_n though_o even_o in_o the_o exhaust_a receiver_n they_o appear_v by_o their_o undulation_n when_o they_o be_v stir_v by_o bubble_n that_o pass_v free_o through_o they_o and_o many_o other_o sign_n to_o continue_v fluid_a body_n it_o seem_v also_o very_o difficult_a to_o conceive_v how_o this_o extenuate_v substance_n shall_v require_v so_o strong_a a_o spring_n inward_a as_o the_o examiner_n all_o along_o his_o book_n ascribe_v to_o it_o nor_o will_v it_o serve_v his_o turn_n to_o require_v of_o we_o in_o exchange_n a_o explication_n of_o the_o air_n spring_v outward_a since_o he_o acknowledge_v as_o well_o as_o we_o that_o it_o have_v such_o a_o spring_n i_o know_v that_o by_o call_v this_o extenuate_v substance_n a_o funiculus_fw-la he_o seem_v plain_o to_o intimate_v that_o it_o have_v its_o spring_n inward_a upon_o the_o same_o account_n that_o lute-string_n and_o rope_n forcible_o stretch_v have_v they_o but_o there_o be_v no_o small_a disparity_n betwixt_o they_o for_o whereas_o in_o string_n there_o be_v require_v either_o wreathe_a or_o some_o peculiar_a and_o artificial_a texture_n of_o the_o component_a part_n a_o rarefaction_n of_o air_n be_v it_o grant_v do_v not_o include_v or_o infer_v any_o such_o contrivance_n of_o part_n as_o be_v requisite_a to_o make_v body_n elastical_a and_o if_o the_o cartesian_a notion_n of_o the_o cause_n of_o springiness_n be_v admit_v than_o our_o extenuate_v substance_n have_v no_o pore_n to_o be_v pervade_v by_o the_o materia_fw-la subtilis_fw-la to_o which_o beside_o our_o author_n also_o make_v glass_n impervious_a will_v be_v destitute_a of_o springiness_n and_o however_o since_o lute-string_n rope_n etc._n etc._n must_v when_o they_o shrink_v inward_o either_o fill_v up_o or_o lessen_v their_o pore_n and_o increase_v in_o thickness_n as_o they_o diminish_v in_o length_n our_o examiner_n funiculus_fw-la must_v differ_v very_o much_o from_o they_o since_o it_o have_v no_o pore_n to_o receive_v the_o shrink_a part_n and_o contract_v itself_o as_o to_o length_n without_o increase_v its_o thickness_n nor_o can_v it_o well_o be_v pretend_v that_o this_o self_n contraction_n be_v do_v ob_fw-la fugam_fw-la vacui_fw-la since_o though_o it_o shall_v not_o be_v make_v a_o vacuum_n will_v not_o ensue_v and_o if_o it_o be_v say_v that_o it_o be_v make_v that_o the_o preternatural_o stretch_a body_n may_v restore_v itself_o to_o its_o natural_a dimension_n i_o answer_v that_o i_o be_o not_o very_o forward_o to_o allow_v act_v for_o end_n to_o body_n inanimate_a and_o consequent_o devoid_a of_o knowledge_n and_o therefore_o shall_v glad_o see_v some_o unquestionable_a example_n produce_v of_o operation_n of_o that_o nature_n and_o however_o to_o i_o who_o in_o physical_a inquiry_n of_o this_o nature_n look_v for_o efficient_a rather_o than_o final_a cause_n it_o be_v not_o easy_a to_o conceive_v how_o air_n by_o be_v expanded_a in_o which_o case_n its_o force_n like_o that_o of_o other_o rarefy_a body_n seem_v principal_o to_o tend_v outward_o as_o we_o see_v in_o fire_a gunpowder_n in_o aeolipile_n in_o warm_a weather-glass_n etc._n etc._n shall_v acquire_v so_o prodigious_a a_o force_n of_o move_v contiguous_a body_n inward_o nor_o do_v it_o to_o i_o seem_v very_o probable_a that_o when_o for_o instance_n part_n of_o a_o polish_a marble_n be_v extend_v into_o a_o funiculus_fw-la that_o funiculus_fw-la do_v so_o strong_o aspire_v to_o turn_v into_o marble_n again_o i_o may_v likewise_o wish_v our_o author_n have_v more_o clear_o explicate_v how_o it_o come_v to_o pass_v which_o he_o all_o along_o take_v for_o grant_v that_o the_o access_n of_o the_o outward_a air_n do_v so_o much_o and_o so_o sudden_o relax_v the_o tension_n of_o his_o funiculus_fw-la since_o that_o be_v according_a to_o he_o a_o real_a and_o poreless_a body_n it_o be_v not_o so_o obvious_a how_o the_o presence_n of_o another_o can_v so_o easy_o and_o to_o so_o strange_a a_o degree_n make_v it_o shrink_v but_o i_o will_v rather_o observe_v that_o it_o be_v very_o unlikely_a that_o the_o space_n which_o our_o adversary_n will_v have_v replenish_v with_o his_o funicular_a substance_n shall_v be_v full_a of_o little_a
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
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 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divide_v blend_a and_o oppress_v with_o the_o other_o have_v not_o the_o power_n to_o shine_v or_o burn_v till_o be_v by_o some_o spark_n or_o other_o body_n actual_o burn_v or_o by_o some_o other_o equivalent_a cause_n extricate_v they_o flock_v together_o in_o swarm_n and_o then_o be_v able_a to_o burn_v and_o shine_v that_o be_v to_o appear_v fire_n which_o fire_n be_v yet_o but_o a_o part_n of_o the_o fuel_n as_o appear_v by_o the_o phlegm_n ash_n and_o perhaps_o other_o incombustible_a part_n of_o the_o coal_n or_o other_o fuel_n so_o that_o the_o atomist_n and_o divers_a other_o will_v not_o allow_v what_o mr._n hobbs_n infer_v about_o a_o incendium_fw-la and_o whereas_o he_o tell_v we_o he_o believe_v that_o no_o body_n think_v particulas_fw-la igneas_fw-la à _fw-la sole_fw-la eject_v as_o transire_fw-la posse_fw-la per_fw-la substantiam_fw-la globuli_fw-la crystallini_fw-la he_o seem_v to_o i_o to_o have_v very_o little_o heed_v the_o epicurean_a hypothesis_n for_o not_o only_o the_o learned_a gassendus_fw-la but_o i_o know_v not_o how_o many_o other_o atomist_n beside_o other_o naturalist_n ancient_a and_o modern_a express_o teach_v the_o sunbeam_n to_o consist_v of_o fiery_a corpuscle_n traject_v through_o the_o air_n and_o capable_a of_o pass_v through_o glass_n whereby_o these_o author_n give_v a_o account_n of_o those_o specula_fw-la ustoria_fw-la that_o burn_v by_o reflection_n these_o thing_n i_o represent_v not_o that_o i_o intend_v here_o to_o adopt_v the_o atomist_n opinion_n of_o the_o nature_n of_o fire_n of_o which_o i_o be_o not_o oblige_v to_o declare_v my_o thought_n here_o and_o have_v do_v it_o elsewhere_o but_o to_o show_v that_o mr._n hobbs_n argument_n be_v not_o a_o sufficient_a ground_n for_o so_o heavy_a a_o censure_n and_o if_o a_o coal_n be_v kindle_v at_o one_o end_n though_o mr._n hobbs_n will_v have_v the_o kindle_a end_n a_o coal_n not_o fire_n yet_o if_o he_o please_v to_o hold_v it_o in_o his_o naked_a hand_n he_o may_v find_v that_o differ_v enough_o from_o the_o other_o end_n to_o deserve_v another_o name_n and_o i_o that_o but_o relate_v a_o phaenomenon_n do_v not_o perhaps_o express_v myself_o much_o less_o wary_o if_o not_o more_o so_o than_o mr._n hobbs_n himself_o for_o whereas_o my_o word_n be_v these_o we_o present_o take_v out_o the_o coal_n in_o which_o it_o seem_v there_o have_v remain_v some_o little_a parcel_n of_o fire_n rather_o cover_v than_o total_o 79._o quench_v for_o in_o the_o open_a air_n the_o coal_n begin_v to_o be_v rekindle_v in_o several_a place_n mr._n hobbs_n even_o in_o his_o element_n of_o philosophy_n speak_v thus_o upon_o a_o somewhat-like_a occasion_n if_o a_o grate_n fill_v with_o coal_n thorough_o kindle_v and_o burn_v never_o so_o bright_o be_v let_v down_o as_o soon_o as_o ever_o it_o be_v below_o 14._o c._n the_o fire_n will_v begin_v to_o grow_v pale_a and_o short_o after_o lose_v its_o light_n be_v extinguish_v no_o otherwise_o than_o if_o it_o be_v quench_v in_o water_n but_o if_o the_o grate_n be_v draw_v up_o again_o present_o while_o the_o coal_n be_v still_o very_o hot_a the_o fire_n will_v by_o little_a and_o little_o be_v kindle_v again_o and_o shine_v as_o before_o as_o for_o the_o reason_n mr._n hobbs_n assign_v of_o our_o experiment_n in_o the_o late_o mention_v passage_n of_o his_o dialogue_n be_v ground_v upon_o such_o a_o thickness_n of_o the_o air_n in_o the_o 18._o receiver_n as_o we_o have_v already_o disprove_v it_o need_v not_o to_o be_v examine_v and_o last_o as_o to_o what_o he_o subjoin_v in_o these_o word_n quando_fw-la autem_fw-la est_fw-la quod_fw-la de_fw-fr homine_fw-la veer_fw-la pronunciare_fw-la possumus_fw-la quod_fw-la est_fw-la mortuus_fw-la sive_fw-la quod_fw-la idem_fw-la 18._o est_fw-la animam_fw-la expiravit_fw-la cognitum_fw-la enim_fw-la est_fw-la homines_fw-la nonnullos_fw-la pro_fw-la mortuis_fw-la habitos_fw-la postridie_fw-la elatos_fw-la revixisse_fw-la a._n de_fw-fr puncto_fw-la temporis_fw-la 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 soni_fw-la intus_fw-la facti_fw-la audientur_fw-la omne_fw-la haec_fw-la aeque_fw-la post_fw-la atque_fw-la ante_fw-la exuctionem_fw-la aëris_fw-la nisi_fw-la quod_fw-la soni_fw-la sunt_fw-la aliquanto_fw-la post_fw-la quam_fw-la ante_fw-la debiliores_fw-la a._n manifestissima_fw-la haec_fw-la sunt_fw-la signa_fw-la recipientis_fw-la semper_fw-la pleni_fw-la nec_fw-la posse_fw-la inde_fw-la exugi_fw-la aërem_fw-la quod_fw-la autem_fw-la soni_fw-la inde_fw-la sentiantur_fw-la debiliores_fw-la signum_fw-la est_fw-la consistentiae_fw-la aëris_fw-la consistentia_fw-la autem_fw-la aëris_fw-la à _fw-la motu_fw-la ejus_fw-la est_fw-la per_fw-la lineas_fw-la diametraliter_fw-la oppositas_fw-la but_o i_o meet_v with_o few_o of_o the_o vacuist_n who_o even_o in_o the_o torricellian_a experiment_n think_v the_o place_n relinquish_v by_o the_o quicksilver_n to_o be_v perfect_o void_a most_o of_o they_o allow_v that_o though_o it_o be_v not_o quite_o full_a of_o body_n yet_o it_o may_v contain_v 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of_o it_o nor_o do_v i_o content_v myself_o with_o the_o proofless_a proposal_n of_o my_o conjecture_n but_o i_o deliver_v in_o several_a part_n of_o the_o often_o mention_a history_n particular_a experiment_n to_o evince_v what_o i_o teach_v as_o that_o a_o consistent_a coagulum_fw-la of_o pure_a spirit_n of_o urine_n and_o wine_n may_v by_o bare_a digestion_n be_v turn_v into_o a_o permanent_a liquor_n and_o that_o the_o fluid_a body_n of_o quicksilver_n may_v without_o any_o sensible_a addition_n be_v turn_v into_o a_o permanent_a dry_a powder_n and_o may_v again_o in_o a_o trice_n by_o bare_a heat_n be_v turn_v into_o a_o last_o fluid_a body_n whereto_o i_o add_v other_o experiment_n which_o together_o with_o these_o mr._n hobbs_n will_v possible_o have_v think_v fit_a to_o answer_v if_o he_o have_v find_v it_o easy_a for_o he_o to_o do_v so_o after_o this_o passage_n extant_a in_o mr._n hobbs_n five_o page_n that_o i_o have_v all_o this_o while_n be_v examine_v i_o remember_v nothing_o in_o his_o dialogue_n that_o require_v to_o be_v insist_v on_o about_o fluidity_n and_o firmness_n till_o we_o come_v to_o the_o 29._o page_n where_o have_v ask_v what_o cause_n the_o academian_o assign_v of_o hardness_n it_o be_v answer_v that_o some_o of_o they_o assign_v three_o to_o which_o mr._n hobbs_n so_o far_o agree_v as_o to_o say_v quin_fw-la corpuscula_fw-la qualia_fw-la sunt_fw-la atomy_n quas_fw-la supponit_fw-la 29._o lucretius_n atque_fw-la etiam_fw-la hobbius_n jam_fw-la ante_fw-la dur_fw-la a_o facile_fw-la possint_fw-la ab_fw-la aliqua_fw-la dict_z arum_fw-la causaram_fw-la compingi_fw-la it_o a_o ut_fw-la totum_fw-la ex_fw-la illis_fw-la factum_fw-la durum_fw-la fiat_fw-la dubitandum_fw-la non_fw-la est_fw-la but_o then_o he_o will_v have_v we_o assign_v the_o cause_n of_o that_o he_o call_v durum_fw-la primum_fw-la but_o after_o some_o discourse_n wherein_o he_o be_v please_v to_o approve_v a_o objection_n of_o i_o against_o some_o learned_a man_n that_o ascribe_v all_o cohesion_n of_o body_n to_o a_o certain_a glue_n he_o answer_v himself_o the_o objection_n he_o frame_v against_o my_o doctrine_n about_o hardness_n and_o thereby_o allow_v i_o to_o proceed_v to_o what_o he_o further_o press_v in_o these_o word_n si_fw-la dura_fw-la ex_fw-la primis_fw-la duris_fw-la fieri_fw-la dicant_fw-la quare_fw-la non_fw-la &_o fluida_fw-la fieri_fw-la putant_fw-la ex_fw-la primis_fw-la fluidis_fw-la an_fw-mi creari_fw-la fluida_fw-la maxima_fw-la potuere_fw-la ut_fw-la aether_fw-la minima_fw-la 30._o non_fw-la potuere_fw-la qui_fw-la corpusculum_fw-la durum_fw-la aut_fw-la fluidum_fw-la primus_fw-la fecit_fw-la potuit_fw-la si_fw-la libuisset_fw-la illud_fw-la fecisse_fw-la tum_fw-la majus_fw-la tum_fw-la minus_fw-la quocunque_fw-la corpore_fw-la dato_fw-la quod_fw-la si_fw-la fluidum_fw-la fiat_fw-la ex_fw-la non_fw-la fluidis_fw-la ut_fw-la vos_fw-la dicitis_fw-la &_o durum_fw-la ex_fw-la duris_fw-la tantum_fw-la nun_n sequitur_fw-la ex_fw-la fluidis_fw-la primis_fw-la neque_fw-la fluidum_fw-la fieri_fw-la neque_fw-la durum_fw-la but_o against_o this_o passage_n i_o have_v divers_a thing_n to_o represent_v for_o first_o not_o now_o to_o mention_v that_o it_o may_v be_v question_v with_o what_o propriety_n one_o part_n of_o matter_n more_o than_o another_o may_v be_v call_v primum_fw-la durum_fw-la he_o shall_v have_v tell_v we_o what_o he_o mean_v by_o his_o prima_fw-la fluida_fw-la and_o how_o he_o prove_v that_o there_o be_v any_o such_o which_o since_o he_o have_v not_o do_v it_o will_v be_v at_o least_o as_o hard_o for_o a_o consider_a man_n to_o acquiesce_v in_o his_o question_n as_o to_o answer_v it_o for_o my_o part_n i_o know_v no_o fluid_a body_n upon_o who_o account_n as_o of_o a_o ingredient_n all_o other_o be_v fluid_a and_o i_o think_v it_o will_v be_v hard_a for_o mr._n hobbs_n to_o show_v that_o water_n quicksilver_n and_o purely-rectified_a chemical_a oil_n to_o name_n now_o no_o other_o liquor_n do_v consist_v of_o such_o fluida_fw-la prima_fw-la as_o he_o teach_v whereto_o they_o owe_v all_o their_o fluidity_n and_o it_o be_v plain_a by_o several_a experiment_n deliver_v in_o our_o history_n and_o even_o by_o the_o obvious_a change_n of_o water_n and_o ice_n into_o one_o another_o that_o it_o be_v the_o motion_n rest_n and_o the_o texture_n of_o the_o corpuscle_n which_o compose_v a_o body_n that_o make_v it_o firm_a or_o fluid_a as_o for_o what_o mr._n hobbs_n demand_v whether_o the_o small_a fluid_n imaginable_a can_v not_o as_o well_o have_v be_v create_v as_o the_o aether_n it_o prove_v nothing_o against_o i_o the_o question_v not_o be_v what_o may_v have_v be_v make_v but_o what_o be_v so_o and_o he_o shall_v have_v answer_v the_o argument_n i_o elsewhere_o allege_v to_o make_v it_o improbable_a that_o a_o fluid_a body_n be_v as_o he_o will_v persuade_v we_o in_o his_o book_n 4._o de_fw-fr corpore_fw-la always_o divisible_a into_o body_n equal_o fluid_a as_o quantity_n into_o quantity_n it_o be_v true_a he_o there_o tell_v we_o that_o though_o many_o other_o do_v not_o he_o understand_v by_o fluidity_n that_o which_o be_v make_v such_o by_o nature_n equal_o in_o every_o part_n of_o the_o fluid_a body_n in_o such_o manner_n as_o water_n seem_v fluid_a and_o to_o divide_v itself_o into_o part_n perpetual_o fluid_a but_o whether_o other_o will_v take_v this_o for_o a_o clear_a notion_n of_o fluidity_n i_o think_v may_v well_o be_v doubt_v and_o he_o shall_v not_o bare_o say_v but_o prove_v which_o i_o think_v he_o will_v find_v hard_a to_o do_v that_o the_o corpuscle_n of_o water_n divide_v themselves_o so_o as_o he_o teach_v since_o we_o see_v that_o not_o only_o they_o can_v penetrate_v glass_n but_o be_v unable_a to_o be_v drive_v in_o at_o the_o pore_n of_o more_o open_a body_n which_o other_o liquor_n easy_o pierce_v into_o and_o last_o as_o to_o mr._n hobbs_n question_n quod_fw-la si_fw-la fluidum_fw-la fiat_fw-la etc._n etc._n it_o be_v easy_a to_o foresee_v what_o according_a to_o my_o doctrine_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