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case_n he_o have_v prove_v which_o whether_o he_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 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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
such_o a_o length_n that_o by_o its_o descent_n it_o may_v give_v passage_n to_o the_o air_n through_o the_o circumference_n of_o the_o hole_n nor_o can_v the_o air_n drive_v off_o by_o the_o water_n go_v out_o find_v any_o other_o place_n beside_o that_o which_o the_o water_n leave_v p._n 69._o qui_fw-la per_fw-la etc._n etc._n he_o that_o suck_v water_n into_o his_o mouth_n by_o a_o pipe_n first_o suck_v up_o the_o air_n between_o whereby_o he_o remove_v the_o distend_v external_a air_n which_o be_v remove_v the_o world_n be_v full_a it_o can_v have_v no_o place_n but_o by_o remove_v the_o next_o and_o so_o by_o continual_a pulsion_n the_o water_n be_v at_o length_n drive_v into_o the_o pipe_n and_o do_v fuccee_v the_o air_n which_o be_v suck_v out_o p._n 72._o id_fw-la vero_fw-la etc._n etc._n but_o that_o be_v impossible_a for_o in_o a_o siphon_n unless_o both_o leg_n be_v fill_v with_o water_n the_o water_n will_v not_o ascend_v out_o of_o the_o basin_n the_o cause_n of_o its_o ascent_n into_o that_o cloth_n be_v the_o motion_n of_o the_o earthy_a atom_n which_o be_v near_o the_o water_n i_o say_v the_o simple_a circular_a motion_n communicate_v to_o the_o air_n in_o which_o they_o move_v which_o atom_n strike_v the_o water_n beat_v it_o up_o into_o the_o woolly_a matter_n which_o beat_v of_o they_o against_o the_o cloth_n make_v it_o more_o and_o more_o moist_a till_o it_o become_v all_o over_o wet_a and_o when_o it_o be_v so_o etc._n etc._n p._n 73._o a._n fateris_fw-la etc._n etc._n you_o confess_v then_o that_o your_o collegiate_n have_v as_o yet_o in_o nothing_o advance_v the_o knowledge_n of_o natural_a cause_n but_o that_o one_o of_o they_o have_v find_v out_o a_o engine_n in_o which_o there_o may_v be_v such_o a_o motion_n of_o the_o air_n excite_v that_o the_o part_n of_o the_o sphere_n may_v together_o every_o way_n tend_v unto_o the_o centre_n and_o that_o the_o hypothesis_n of_o mr._n hobbs_n before_o probable_a enough_o may_v be_v thence_o make_v more_o probable_a b._n right_o i_o be_o not_o ashamed_a to_o confess_v it_o for_o it_o be_v somewhat_o to_o arrive_v so_o far_o if_o we_o can_v make_v no_o further_o progress_n a._n why_o so_o far_o to_o what_o end_n such_o preparation_n and_o charge_n for_o engine_n difficult_a to_o be_v make_v to_o make_v no_o further_o discovery_n than_o mr._n hobbs_n have_v make_v before_o you_o why_o do_v you_o not_o rather_o begin_v where_o he_o end_v why_o do_v you_o not_o use_v the_o principle_n he_o have_v lay_v and_o when_o aristotle_n have_v right_o say_v that_o without_o the_o knowledge_n of_o motion_n there_o be_v no_o knowledge_n of_o nature_n how_o dare_v you_o take_v such_o a_o task_n upon_o yourselves_o ibid._n est_fw-la etc._n etc._n thus_o to_o have_v make_v a_o entrance_n though_o we_o miss_v of_o further_a progress_n some_o performance_n be_v p._n 75._o but_o most_o of_o we_o distinguish_v the_o nature_n of_o fluid_a from_o that_o which_o be_v not_o fluid_a by_o the_o greatness_n of_o the_o part_n of_o which_o any_o body_n consist_v and_o be_v make_v up_o with_o wherefore_o we_o do_v not_o only_o look_v upon_o air_n water_n and_o all_o liquor_n but_o upon_o ash_n also_o and_o dust_n as_o fluid_a body_n and_o we_o deny_v not_o that_o fluid_a thing_n may_v be_v make_v of_o thing_n not_o fluid_a for_o we_o do_v not_o digest_v the_o notion_n of_o infinite_a divisibility_n a._n infinite_a division_n can_v be_v conceive_v but_o infinite_a divisibility_n may_v easy_o i_o on_o the_o contrary_n do_v not_o understand_v the_o distinction_n of_o fluids_n and_o not_o fluids_n which_o you_o take_v from_o the_o greatness_n of_o the_o part_n can_v i_o digest_v this_o i_o must_v say_v the_o ruin_n of_o shatter_a rubbish_n stone_n that_o lie_v in_o paul_n be_v fluid_v but_o if_o those_o ruin_n can_v be_v call_v fluid_a because_o the_o stone_n be_v too_o big_a define_v i_o the_o bigness_n that_o the_o part_n of_o a_o ruine_a wall_n must_v have_v that_o they_o may_v be_v call_v fluid_fw-la but_o you_o that_o can_v understand_v infinite_a divisibility_n tell_v i_o what_o you_o think_v to_o be_v the_o cause_n why_o i_o shall_v think_v it_o more_o hard_a for_o almighty_a god_n to_o create_v a_o fluid_a body_n less_o than_o any_o atom_n propose_v that_o its_o part_n may_v actual_o flow_v than_o to_o create_v the_o ocean_n therefore_o you_o make_v i_o despair_v of_o any_o fruit_n of_o your_o meeting_n by_o say_v that_o they_o think_v air_n water_n and_o other_o fluid_n consist_v of_o non-fluids_a as_o if_o a_o wall_n that_o begin_v to_o fall_v and_o be_v ruinous_a be_v call_v by_o they_o a_o fluid_a body_n if_o they_o may_v speak_v so_o every_o thing_n be_v fluid_a for_o even_o marble_n itself_o may_v be_v break_v into_o part_n less_o than_o any_o atom_n imagine_v by_o epicurus_n p._n 79._o ruina_fw-la etc._n etc._n the_o ruin_n that_o lie_v in_o paul_n church_n may_v be_v call_v fluid_fw-la ibid._n si_fw-mi sic_fw-la etc._n etc._n if_o they_o may_v so_o speak_v there_o be_v nothing_o but_o be_v fluid_a for_o even_o marble_n may_v be_v beat_v into_o part_n less_o than_o any_o epicurean_a atom_n p._n 80._o divisio_fw-la etc._n etc._n division_n that_o be_v infinite_a can_v be_v conceive_v divisibility_n may_v easy_o p._n 81_o 82._o quia_fw-la corpuscula_fw-la etc._n etc._n but_o the_o corpuscle_n such_o as_o be_v the_o atom_n suppose_v by_o lucretius_n and_o also_o by_o mr._n hobbs_n be_v hard_o before_o may_v be_v easy_o compact_v by_o any_o of_o the_o mention_a cause_n so_o that_o it_o be_v not_o to_o be_v doubt_v but_o that_o the_o whole_a to_o be_v make_v of_o those_o corpuscle_n will_v be_v hard_a ibid._n si_fw-mi dura_fw-la etc._n etc._n if_o hard_a body_n be_v make_v out_o of_o part_n original_o hard_a why_o be_v not_o fluid_a body_n make_v of_o part_n original_o fluid_a can_v great_a fluid_n as_o the_o aether_n be_v create_v and_o can_v not_o small_a one_o he_o that_o first_o make_v a_o body_n hard_a or_o fluid_a can_v if_o he_o will_v have_v make_v it_o great_a or_o less_o than_o any_o other_o propose_v body_n now_o if_o a_o fluid_a body_n be_v make_v of_o part_n not_o fluid_a as_o you_o speak_v and_o hard_a body_n only_o from_o hard_a part_n do_v it_o not_o follow_v that_o nothing_o neither_o fluid_a nor_o hard_a be_v make_v of_o original_a fluid_n p._n 84._o b._n quaenam_fw-la etc._n etc._n what_o be_v the_o principle_n of_o fluidity_n and_o firmness_n a._n of_o fluidity_n nothing_o but_o rest_n of_o firmness_n motion_n such_o as_o be_v fit_a to_o produce_v that_o effect_n by_o rest_n i_o understand_v the_o rest_n of_o two_o part_n one_o with_o another_o when_o they_o each_o touch_n but_o neither_o press_v one_o another_o for_o entire_a body_n of_o fluid_n may_v be_v in_o motion_n their_o fluidity_n abide_v and_o hard_a body_n be_v at_o rest_n although_o their_o part_n be_v in_o motion_n p._n 85._o atque_fw-la binc_fw-la etc._n etc._n and_o hence_o it_o be_v manifest_a that_o there_o be_v a_o great_a compression_n in_o the_o air_n so_o move_v and_o shut_v up_o namely_o so_o great_a as_o that_o force_n by_o which_o it_o be_v drive_v in_o be_v able_a to_o make_v and_o also_o that_o from_o so_o great_a compression_n some_o degree_n of_o consistence_n must_v be_v make_v though_o less_o than_o that_o of_o the_o consistence_n of_o water_n now_o if_o in_o all_o the_o same_o particle_n of_o air_n beside_o the_o motion_n by_o which_o one_o press_v another_o there_o be_v also_o the_o simple_a circular_a motion_n and_o that_o vehement_a enough_o it_o will_v be_v almost_o impossible_a any_o one_o of_o they_o shall_v be_v move_v from_o its_o little_a circle_n but_o that_o the_o other_o particle_n resist_v the_o whole_a will_v be_v press_v together_o that_o be_v become_v hard_o for_o that_o be_v hard_a of_o which_o no_o part_n give_v place_n but_o upon_o the_o motion_n of_o the_o whole_a you_o see_v therefore_o that_o hardness_n may_v be_v make_v in_o a_o most_o fluid_a body_n by_o this_o simple_a circular_a motion_n of_o particle_n which_o be_v before_o impart_v to_o they_o by_o two_o contrary_a motion_n p._n 86._o atque_fw-la talis_fw-la etc._n etc._n and_o such_o indeed_o may_v be_v the_o cause_n of_o the_o durum_fw-la primum_fw-la or_o first_o hard_a body_n but_o of_o the_o second_o that_o be_v of_o the_o cohesion_n of_o two_o of_o these_o first_o hard_a body_n the_o cause_n may_v be_v the_o very_a same_o simple_a circular_a motion_n conjoin_v with_o their_o superficial_a contact_n or_o perhaps_o their_o be_v one_o with_o another_o intricate_v ibid._n si_fw-mi supponamus_fw-la etc._n etc._n if_o we_o suppose_v with_o they_o that_o the_o cause_n of_o hardness_n be_v the_o greatness_n or_o thickness_n of_o the_o part_n what_o reason_n can_v we_o give_v why_o congeal_a water_n
shall_v be_v hard_a or_o firm_a than_o the_o same_o water_n be_v before_o such_o congelation_n p._n 87._o ut_fw-la sit_fw-la etc._n etc._n that_o it_o be_v conceivable_a that_o be_v not_o absurd_a and_o that_o from_o its_o be_v grant_v the_o necessity_n of_o the_o phaenomenon_n may_v be_v infer_v p._n 88_o qui_fw-la etc._n etc._n they_o which_o put_v body_n to_o body_n show_v the_o new_a and_o admirable_a work_n of_o nature_n do_v wonderful_o inflame_v the_o mind_n of_o man_n with_o the_o love_n of_o philosophy_n and_o do_v not_o a_o little_a instigate_v they_o unto_o the_o search_n of_o cause_n and_o on_o that_o account_n be_v worthy_a of_o commendation_n true_a for_o they_o enrich_v natural_a history_n without_o which_o natural_a science_n be_v in_o vain_a seek_v for_o a_o summary_n of_o the_o content_n of_o the_o several_a chapter_n chap._n i._n the_o occasion_n and_o scope_n of_o the_o present_a treatise_n reason_n why_o mr._n hobbs_n may_v have_v employ_v himself_o otherwise_o and_o have_v spare_v this_o discourse_n p._n 2._o why_o the_o author_n will_v have_v be_v content_v he_o have_v do_v so_o ibid._n why_o he_o now_o undertake_v the_o reply_n p._n 3._o chap._n ii_o of_o some_o mistake_n of_o mr._n hobbs_n touch_v matter_n of_o fact_n and_o the_o author_n doctrine_n that_o he_o mistake_v in_o ascribe_v the_o explication_n and_o experiment_n in_o the_o physicomechanical_a treatise_n of_o the_o society_n at_o gresham_n college_n p._n 3._o the_o experiment_n have_v be_v see_v do_v long_o and_o the_o book_n publish_v before_o the_o society_n begin_v etc._n etc._n p._n 4._o that_o the_o experiment_n be_v not_o devise_v nor_o employ_v to_o prove_v a_o vacuum_n ibid._n whether_o mr._n hobbs_n by_o the_o experiment_n of_o the_o gardener_n watering-pot_n demonstrate_v that_o there_o can_v be_v no_o vacuum_n p._n 5._o that_o if_o the_o watering-pot_n be_v tall_a enough_o the_o water_n will_v run_v out_o with_o unstop_v the_o upper_a orifice_n prove_v by_o m._n paschal_n experiment_n p._n 6._o the_o way_n of_o argument_n on_o both_o side_n compare_v p._n 7_o 8._o why_o the_o author_n do_v not_o assign_v the_o cause_n of_o spring_n p._n 9_o that_o mr._n hobbs_n his_o account_n of_o spring_n be_v imperfect_a and_o that_o he_o have_v not_o solve_v the_o phaenomena_n of_o they_o p._n 10_o 11_o 12_o 13._o that_o he_o mistake_v the_o author_n notion_n of_o the_o air_n p._n 14._o 15._o chap._n iii_o wherein_o the_o weight_n and_o spring_n of_o the_o air_n be_v assert_v against_o mr._n hobbs_n several_a experiment_n recite_v that_o prove_v the_o real_a weight_n of_o the_o air_n p._n 16_o 17._o mr._n hobbs_n objection_n against_o the_o experiment_n of_o the_o heaviness_n of_o a_o blow_a bladder_n p._n 17_o 18._o answer_v p._n 19_o the_o spring_n of_o the_o air_n assert_v from_o mr._n hobbs_n concession_n p._n 20_o 21_o the_o same_o assert_v by_o particular_a experiment_n p._n 22_o 23._o mr._n hobbs_n his_o answer_n to_o that_o of_o the_o bladder_n consider_v p._n 23_o 24._o experiment_n of_o the_o spring_n of_o the_o air_n not_o compress_v p._n 25._o chap._n iu._n wherein_o mr._n hobbs_n his_o principal_a explication_n of_o the_o author_n phaenomena_n be_v examine_v what_o thing_n mr._n hobbs_n take_v for_o grant_v p._n 26._o his_o hypothesis_n consider_v of_o the_o simple_a circular_a motion_n whether_o it_o be_v not_o precarious_o ascribe_v to_o aqueous_a and_o earthy_a particle_n p._n 27_o 28._o whether_o in_o the_o exhaustion_n of_o the_o cylinder_n any_o vacuum_n be_v produce_v p._n 29_o 30_o 31._o experiment_n to_o prove_v that_o the_o glass_n be_v in_o great_a part_n devoid_a of_o common_a air_n p._n 31_o 32._o whether_o a_o pure_a sort_n of_o air_n may_v unperceived_a dive_v under_o water_n to_o pass_v into_o the_o receiver_n betwixt_o the_o cylinder_n and_o the_o suker_n p._n 33_o 34._o that_o the_o cartesian_a way_n of_o explicate_v this_o phaenomenon_n in_o favour_n of_o the_o plenist_n be_v more_o plausible_a than_o mr._n hobbs_n p._n 35._o whether_o the_o place_n desert_v by_o the_o suspend_v mercury_n in_o the_o torricellian_a experiment_n be_v empty_a or_o full_a of_o air_n p._n 37_o 38._o mr._n hobbs_n explication_n of_o that_o experiment_n of_o mr._n boyle_n in_o which_o the_o air_n impell_v up_o the_o sucker_n together_o with_o above_o 100_o pound_n weight_n p._n 39_o 40._o the_o examination_n of_o this_o explication_n p._n 41_o 42._o chap._n v._n in_o which_o divers_a scatter_a explication_n and_o other_o passage_n in_o mr._n hobbs_n dialogue_n be_v examine_v his_o explication_n why_o water_n without_o visible_a force_n ascend_v in_o a_o slender_a pipe_n consider_v p._n 44_o 45._o why_o the_o stopple_n of_o the_o cover_n of_o the_o exhaust_a receiver_n so_o much_o gravitates_fw-la consider_v p._n 46._o his_o explication_n and_o the_o author_n why_o in_o the_o exhaust_v of_o the_o receiver_n water_n let_v down_o into_o it_o boil_v as_o it_o be_v or_o bubble_n there_o view_v and_o compare_v p._n 47_o 48_o whether_o the_o phaenomenon_n of_o this_o water_n bubble_v in_o the_o receiver_n be_v a_o evidence_n that_o there_o be_v no_o vacuity_n in_o the_o receiver_n p._n 49_o 50._o whether_o animal_n in_o the_o exhaust_a receiver_n die_v for_o want_n of_o air_n or_o for_o the_o cause_n assign_v by_o mr._n hobbs_n p._n 51_o 52._o that_o the_o author_n assert_v not_o the_o proof_n of_o a_o vacuum_n or_o plenum_fw-la to_o depend_v on_o the_o hypothesis_n of_o the_o spring_n of_o the_o air_n p._n 53._o that_o the_o air_n in_o the_o exhaust_a receiver_n be_v not_o thick_a but_o thin_a not_o heavy_a but_o light_a prove_v by_o experiment_n p._n 54_o 55._o the_o epicurean_a hypothesis_n of_o fire_n and_o the_o effect_n of_o the_o sunbeam_n through_o burning-glass_n p._n 57_o whether_o he_o deserve_v a_o censure_n that_o call_v kindle_v coal_n fire_n p._n 58._o chap._n vi_o wherein_o other_o passage_n of_o mr._n hobbs_n dialogue_n that_o concern_v the_o author_n be_v examine_v that_o the_o experiment_n of_o the_o needle_n be_v motion_n in_o the_o exhaust_a receiver_n and_o of_o sound_n be_v audible_a and_o object_n visible_a there_o be_v reconcilable_a to_o the_o doctrine_n of_o the_o atomist_n p._n 59_o whether_o from_o the_o cohesion_n of_o two_o marble_n the_o non_fw-la existence_n of_o a_o vacuum_n follow_v p._n 60_o 61._o how_o the_o low_a marble_n be_v uphold_v p._n 62_o 63._o the_o power_n of_o the_o oblique_a pressure_n of_o the_o air_n to_o these_o effect_n illustrate_v by_o experiment_n p._n 64._o whether_o the_o throw_v up_o of_o water_n in_o the_o glass_n fountain_n invent_v by_o vincenzo_n vincenti_fw-la of_o urbino_n can_v be_v explicate_v by_o the_o spring_n of_o the_o air_n p._n 67_o 68_o mr_n hobbs_n explication_n of_o the_o cause_n of_o water_n be_v suspend_v in_o a_o gardener_n watering-pot_n examine_v p._n 69._o a_o experiment_n purposely_o devise_v to_o show_v that_o both_o vacuist_n and_o plenist_n shall_v admit_v a_o elastical_a power_n in_o the_o air_n p._n 70_o 71._o mr._n hobbs_n correction_n of_o the_o author_n discourse_n about_o the_o ascension_n of_o water_n in_o siphons_n and_o filtre_n animadvert_v p._n 72._o some_o unhandsome_a passage_n and_o such_o as_o show_v the_o unequal_a estimation_n mr._n hobbs_n have_v of_o his_o own_o and_o other_o preformance_n in_o philosophy_n p._n 73_o 74._o what_o part_n of_o mr._n hobbs_n treatise_n and_o why_o pass_v by_o without_o censure_n by_o the_o author_n p._n 75._o chap._n vii_o be_v a_o appendix_n to_o the_o past_a discourse_n wherein_o be_v examine_v what_o mr._n hobbs_n teach_v concern_v fluidity_n and_o firmness_n mr._n hobbs_n mistake_v and_o so_o misreport_v the_o author_n doctrine_n of_o the_o cause_n of_o fluidity_n p._n 77._o his_o animadversion_n on_o the_o doctrine_n consider_v p._n 78_o 79._o whether_o fluid_a body_n be_v make_v from_o part_n original_o fluid_a or_o from_o small_a solid_n in_o motion_n etc._n etc._n p._n 79_o 80_o 81._o mr._n hobbs_n theory_n of_o fluidity_n and_o firmness_n examine_v p._n 81_o 82_o etc._n etc._n what_o influence_n therein_o his_o simple_a circular_a motion_n may_v have_v consider_v p._n 82_o 83._o that_o there_o be_v a_o three_o requisite_a of_o a_o good_a hypothesis_n viz._n that_o it_o be_v not_o inconsistent_a with_o any_o truth_n or_o phaenomenon_n of_o nature_n p._n 84._o that_o mr_n hobbs_n his_o hypothesis_n want_v this_o requisite_a prove_v by_o reference_n p._n 85._o by_o instance_n out_o of_o ordinary_a not_o elaborate_a experiment_n p._n 86._o the_o conclusion_n to_o the_o reader_n p._n 88_o finis_fw-la a_o catalogue_n of_o all_o the_o philosophical_a work_n publish_v by_o our_o author_n *_o new_a physicomechanical_a experiment_n concern_v the_o weight_n and_o spring_n of_o the_o air_n publish_v in_o english_a anno_fw-la dom._n 1660._o *_o a_o continuation_n of_o they_o part_v i._o 1669._o *_o the_o defence_n of_o the_o
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
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 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try_v find_v upon_o the_o turn_n of_o the_o key_n so_o much_o as_o the_o least_o glimmer_a of_o light_n whence_o we_o infer_v that_o the_o flash_n appear_v in_o the_o receiver_n do_v not_o proceed_v from_o any_o new_a light_n generate_v there_o but_o from_o some_o reflection_n of_o the_o light_n of_o the_o sun_n or_o other_o luminous_a body_n place_v without_o it_o though_o whence_o the_o reflection_n shall_v proceed_v it_o pose_v we_o to_o conjecture_v wherefore_o the_o next_o morning_n hope_v to_o inform_v ourselves_o better_a we_o go_v about_o to_o repeat_v the_o experiment_n but_o though_o we_o can_v as_o well_o as_o former_o exhaust_v the_o receiver_n though_o the_o place_n wherein_o we_o make_v the_o trial_n be_v the_o very_a same_o and_o though_o other_o circumstance_n be_v resemble_v yet_o we_o can_v not_o discover_v the_o least_o appearance_n of_o light_a all_o that_o day_n nor_o on_o divers_a other_o on_o which_o trial_n be_v again_o fruitless_o make_v nor_o can_v we_o to_o this_o very_a time_n be_v sure_a a_o day_n beforehand_o that_o these_o flash_n will_v be_v to_o be_v see_v in_o our_o great_a receiver_n nay_o have_v once_o find_v the_o engine_n in_o a_o good_a humour_n if_o i_o may_v so_o speak_v to_o show_v this_o trick_n and_o send_v notice_n of_o it_o to_o our_o learned_a friend_n dr._n wallis_n who_o express_v a_o great_a desire_n to_o see_v this_o phaenomenon_n though_o he_o be_v not_o then_o above_o a_o bow-shoot_a off_o and_o make_v haste_n to_o fatisfie_v his_o curiosity_n yet_o by_o that_o time_n he_o be_v come_v the_o thing_n he_o come_v for_o be_v no_o long_a to_o be_v see_v so_o that_o have_v vain_o endeavour_v to_o exhibit_v again_o the_o phaenomenon_n in_o his_o prefence_n i_o begin_v to_o apprehend_v what_o he_o may_v think_v of_o i_o when_o unexpected_o the_o engine_n present_v we_o a_o flash_n and_o after_o that_o a_o second_o and_o as_o many_o more_o as_o suffice_v to_o satisfy_v he_o that_o we_o may_v very_o well_o confident_o relate_v that_o we_o have_v ourselves_o see_v this_o phaenomenon_n though_o not_o confident_o promise_v to_o show_v it_o other_o and_o this_o unsuccessfulness_n whereto_o our_o experiment_n be_v liable_a be_v such_o that_o by_o all_o our_o watchfulness_n and_o trial_n we_o can_v never_o reduce_v it_o to_o any_o certain_a rule_n or_o observation_n since_o in_o all_o constitution_n of_o the_o wether_n time_n of_o the_o day_n etc._n etc._n it_o will_v sometime_o answer_v and_o sometime_o disappoint_v our_o expectation_n we_o be_v much_o discourage_v from_o venture_v to_o frame_v a_o hypothesis_n to_o give_v a_o account_n of_o it_o which_o if_o the_o experiment_n do_v constant_o succeed_v may_v the_o more_o hopeful_o be_v attempt_v by_o the_o help_n of_o the_o follow_a phaenomena_n lay_v together_o some_o of_o they_o produce_v upon_o trial_n purposely_o make_v to_o examine_v the_o validity_n of_o the_o conjecture_n other_o trial_n have_v suggest_v first_o then_o we_o observe_v that_o the_o apparition_n of_o light_n may_v be_v make_v as_o well_o by_o candle-light_n as_o by_o daylight_n and_o in_o whatever_o position_n the_o candle_n be_v hold_v in_o reference_n to_o the_o receiver_n as_o on_o this_o or_o that_o hand_n of_o it_o above_o it_o beneath_o it_o or_o any_o other_o way_n provide_v the_o beam_n of_o light_n be_v not_o hinder_v from_o fall_v upon_o the_o vessel_n next_o we_o note_v that_o the_o flash_n appear_v immediate_o upon_o the_o turn_n of_o the_o key_n to_o let_v the_o air_n out_o of_o the_o receiver_n into_o the_o empty_v cylinder_n in_o so_o much_o that_o i_o remember_v not_o that_o when_o at_o any_o time_n in_o our_o great_a receiver_n the_o stop-cock_n be_v open_v before_o the_o cylinder_n be_v exhaust_v whereby_o it_o come_v to_o pass_v that_o the_o air_n do_v rather_o descend_v than_o rush_n into_o the_o cylinder_n the_o often_o mention_a flash_n appear_v to_o our_o eye_n yet_o we_o far_o observe_v that_o when_o instead_o of_o the_o great_a receiver_n we_o make_v use_v of_o a_o
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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which_o shall_v be_v this_o whence_o proceed_v that_o strange_a force_n that_o we_o may_v sometime_o observe_v in_o freeze_a water_n to_o break_v the_o body_n that_o imprison_v it_o though_o hard_a and_o solid_a that_o there_o be_v such_o a_o force_n in_o water_n expose_v to_o congelation_n may_v be_v gather_v not_o only_o from_o what_o may_v be_v often_o observe_v in_o winter_n of_o the_o burst_n of_o glass_n too_o close_o stop_v fill_v with_o water_n or_o aqueous_a liquor_n but_o by_o instance_n as_o much_o more_o considerable_a as_o less_o obvious_a for_o i_o remember_v that_o a_o ingenious_a stone-cutter_n not_o long_o since_o complain_v to_o i_o that_o sometime_o through_o the_o negligence_n of_o servant_n the_o rain_n be_v suffer_v to_o soak_v into_o marble_n stone_n the_o superven_a violent_a frost_n will_v burst_v the_o stone_n to_o the_o possessour'_v no_o small_a damage_n and_o i_o remember_v another_o tradesman_n in_o who_o house_n i_o have_v lodging_n be_v last_o winter_n complain_v that_o even_o implement_n make_v of_o bell-metal_n be_v careless_o expose_v to_o the_o wet_a have_v be_v break_v and_o spoil_v by_o the_o water_n which_o have_v get_v into_o the_o little_a cavity_n and_o cranny_n of_o the_o metal_n be_v there_o afterward_o freeze_a and_o expanded_a into_o ice_n and_o to_o these_o relation_n we_o can_v add_v one_o of_o the_o former_o mention_v cabaeus_n whereby_o arist._n they_o not_o only_o may_v be_v confirm_v but_o be_v surpass_v for_o he_o tell_v we_o that_o he_o see_v a_o huge_a vessel_n of_o exceed_v hard_a marble_n split_v asunder_o by_o congeal_a water_n who_o rarefaction_n say_v our_o author_n prove_v so_o vehement_a that_o the_o hardness_n of_o the_o stone_n yield_v to_o it_o and_o so_o a_o vessel_n be_v break_v which_o will_v not_o have_v be_v so_o by_o 100_o yoke_n of_o ox_n draw_v it_o several_a way_n i_o know_v my_o lord_n that_o to_o solve_v this_o problem_n it_o will_v be_v say_v that_o congelation_n do_v not_o as_o be_v common_o but_o erroneous_o presume_v reduce_v water_n into_o less_o room_n than_o it_o possess_v before_o but_o rather_o make_v it_o take_v up_o more_o and_o i_o have_v elsewhere_o prove_v by_o particular_a experiment_n that_o whether_o or_o no_o ice_n may_v be_v true_o say_v to_o be_v water_n rarefy_a for_o that_o seem_v questionable_a it_o may_v be_v say_v to_o take_v up_o more_o room_n than_o the_o water_n do_v before_o glaciation_n but_o though_o we_o grant_v that_o freeze_a make_v water_n swell_v yet_o how_o cold_a which_o in_o weather-glass_n manifest_o condense_v the_o air_n shall_v expand_v either_o the_o water_n or_o the_o intercept_a air_n so_o forcible_o as_o to_o perform_v such_o thing_n as_o we_o have_v new_o relate_v will_v yet_o remain_v a_o problem_n experiment_n thirty-nine_o we_o take_v a_o oval_a glass_n clear_a and_o lest_o it_o shall_v break_v pretty_a strong_a with_o a_o short_a neck_n at_o the_o obtuser_n end_n through_o this_o neck_n we_o thrust_v almost_o to_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 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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 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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
p._n 2._o book_n concern_v the_o torricellian_a experiment_n wherewith_o the_o author_n be_v former_o unacquainted_a ibid._n the_o inconvenience_n of_o linus_n principle_n ibid._n the_o division_n of_o the_o ensue_a treatise_n into_o three_o part_n chap._n ii_o a_o repetition_n of_o the_o adversary_n opinion_n and_o argument_n his_o argument_n against_o the_o weight_n of_o the_o air_n examine_v p._n 4._o a_o experiment_n of_o he_o to_o prove_v that_o the_o external_a air_n can_v keep_v up_o twenty_o inch_n of_o quicksilver_n from_o descend_v in_o a_o tube_n twenty_o inch_n long_o ibid._n the_o author_n answer_n and_o reconciliation_n of_o the_o experiment_n to_o his_o hypothesis_n p._n 5._o and_o the_o relation_n of_o a_o experiment_n of_o the_o author_n wherein_o only_a water_n be_v employ_v instead_o of_o quick_a silver_n without_o other_o alteration_n of_o the_o adversary_n experiment_n it_o agree_v well_o with_o and_o confirm_v the_o author_n hypothesis_n and_o his_o explication_n of_o the_o mention_a experiment_n ibid._n that_o water_n have_v no_o spring_n at_o all_o or_o a_o very_a weak_a one_o p._n 6._o the_o second_o argument_n examine_v ib._n whether_o the_o same_o quantity_n of_o air_n can_v adequate_o fill_v a_o great_a space_n p._n 7._o the_o conceivableness_n of_o both_o hypothesis_n compare_v ibid._n chap._n iii_o another_o argument_n of_o the_o adversary_n from_o a_o experiment_n wherein_o the_o mercury_n sink_v draw_v the_o finger_n into_o the_o tube_n examine_v q._n whether_o the_o mercury_n place_v in_o its_o own_o station_n be_v uphold_v by_o the_o external_a air_n or_o suspend_v there_o by_o a_o internal_a cord_n p._n 7_o 8._o chap._n iu._n a_o repetition_n of_o franciscus_n linus_n his_o principal_a experiment_n wherein_o in_o a_o tube_n of_o twenty_o inch_n long_o the_o finger_n on_o the_o top_n be_v suppose_v to_o be_v strong_o draw_v and_o suck_v into_o the_o tube_n p._n 8._o the_o experiment_n explicate_v without_o the_o assistance_n of_o suction_n by_o the_o pressure_n of_o the_o external_a air_n upon_o the_o outside_n of_o the_o finger_n thrust_v not_o suck_v in_o p._n 9_o franciscus_n linus_n his_o argumentation_n consider_v p._n 10._o chap._n v._n the_o eximiner_n last_o experiment_n consider_v in_o which_o he_o argue_v against_o the_o author_n hypothesis_n because_o mercury_n be_v not_o suck_v out_o of_o a_o vessel_n through_o a_o tube_n so_o easy_o as_o water_n be_v p._n 11_o 12._o a_o experiment_n of_o monsieur_n paschall_n show_v that_o if_o the_o upper_a part_n of_o a_o tube_n can_v be_v free_v from_o the_o pressure_n of_o all_o internal_a air_n the_o mercury_n will_v by_o the_o pressure_n of_o the_o outward_a air_n be_v carry_v up_o into_o the_o tube_n as_o well_o as_o water_n till_o it_o have_v attain_v a_o height_n great_a enough_o to_o make_v its_o weight_n equal_a to_o that_o of_o the_o atmosphere_n p._n 13._o why_o in_o a_o more_o forcible_a respiration_n the_o mercurial_a cylinder_n be_v raise_v high_a than_o in_o a_o more_o languid_a p._n 14._o a_o remark_n by_o the_o high_a that_o the_o contraction_n of_o the_o adversary_n suppose_v funiculus_fw-la be_v not_o feel_v upon_o the_o lung_n p._n 15._o chap._n vi_o the_o examination_n of_o the_o adversary_n 4_o chapter_n p._n 15._o that_o the_o spring_n of_o the_o air_n may_v have_v some_o advantage_n in_o point_n of_o force_n above_o the_o weight_n of_o it_o p._n 16._o that_o it_o be_v unintelligible_a how_o the_o same_o air_n can_v adequate_o fill_v more_o space_n at_o one_o time_n than_o at_o another_o p._n 17._o part_n ii_o wherein_o the_o adversary_n funicular_a hypothesis_n be_v examine_v chap._n i._n wherein_o what_o be_v allege_v to_o prove_v the_o funiculus_fw-la be_v consider_v and_o some_o difficulty_n be_v propose_v against_o the_o hypothesis_n the_o nature_n of_o this_o suppose_a funiculus_fw-la describe_v p._n 18._o that_o according_a to_o the_o adversary_n opinion_n this_o funiculus_fw-la be_v produce_v by_o nature_n only_o to_o hinder_v a_o vacuum_n p._n 19_o 20._o the_o adversary_n proof_n that_o there_o be_v no_o vacuum_n examine_v p._n 20_o 21._o that_o where_o no_o sensible_a part_n be_v unenlightned_n the_o place_n may_v not_o be_v full_a of_o light_n p._n 21._o the_o same_o true_a in_o odour_n ibid._n that_o there_o may_v be_v matter_n enough_o to_o transmit_v the_o impulse_n of_o light_n though_o betwixt_o the_o particle_n of_o that_o matter_n there_o shall_v be_v store_n of_o vacuity_n intercept_v p._n 22._o that_o a_o solid_a body_n bathe_v no_o considerable_a sense_n of_o pressure_n from_o fluid_a body_n p._n 24._o of_o the_o cause_n of_o the_o vibration_n of_o quicksilver_n in_o its_o descent_n p._n 24_o 25._o chap._n ii_o wherein_o divers_a other_o difficulty_n be_v object_v against_o the_o funicular_a hypothesis_n as_o that_o in_o liquor_n of_o divers_a weight_n and_o nature_n as_o water_n wine_n and_o quicksilver_n there_o shall_v be_v just_o the_o same_o weight_n or_o strength_n to_o extend_v they_o into_o a_o funiculus_fw-la p._n 27._o that_o whereas_o the_o weight_n and_o spring_n of_o the_o air_n be_v infer_v from_o unquestioned_a experiment_n the_o account_n of_o that_o hypothesis_n be_v strange_a and_o unsatisfactory_a as_o that_o the_o quicksilver_n do_v not_o only_o touch_v the_o top_n of_o the_o glass_n but_o stick_v to_o it_o that_o nature_n wreath_n a_o little_a rarefy_a air_n into_o a_o strong_a rope_n even_o able_a to_o draw_v up_o quicksilver_n p._n 27_o 28._o that_o rarefaction_n be_v perform_v by_o a_o certain_a unknown_a force_n or_o vis_fw-la divulsiva_fw-la ibid._n that_o thin_a surface_n be_v leave_v successive_o one_o after_o another_o that_o these_o surface_n be_v contrive_v into_o string_n that_o may_v be_v stretch_v without_o be_v make_v more_o slender_a etc._n etc._n p._n 29._o the_o illustration_n of_o the_o manner_n how_o his_o funiculus_fw-la be_v make_v from_o the_o rarefaction_n of_o wax_n or_o tallow_n in_o a_o light_a candle_n be_v consider_v p._n 30._o and_o show_v not_o to_o be_v apposite_a ibid._n divers_a other_o difficulty_n and_o improbability_n manifest_v in_o the_o funicular_a hypothesis_n p._n 31._o of_o the_o inward_a spring_n necessary_a to_o the_o contraction_n of_o his_o funiculus_fw-la p._n 31_o 32._o a_o argument_n from_o a_o pendulum_n move_a free_o in_o a_o exhaust_a receiver_n that_o the_o medium_n it_o move_v in_o do_v not_o consist_v of_o innumerable_a exceedingly-stretched_a string_n p._n 35._o chap._n iii_o the_o aristotelean_a rarefaction_n propose_v by_o the_o adversary_n examine_v what_o rarefaction_n and_o condensation_n be_v p._n 34._o three_o way_n of_o explicate_v how_o rarefaction_n be_v make_v p._n 34_o 35._o absurdity_n in_o resolve_v the_o magdeburg_n experiment_n by_o the_o aristotelean_a way_n of_o rarefaction_n p._n 36._o the_o inconvenience_n of_o the_o several_a hypothesis_n compare_v p._n 37._o the_o difficulty_n in_o the_o adversary_n explain_v rarefaction_n by_o body_n infinite_o divisible_a ibid._n the_o difficulty_n of_o explain_v it_o by_o suppose_v body_n make_v up_o of_o part_n indivisible_a p._n 39_o 40._o the_o difficulty_n wherewith_o his_o condensation_n be_v encumber_v as_o that_o it_o infer_v penetration_n of_o dimension_n etc._n etc._n p._n 41._o chap._n iu._n a_o consideration_n pertinent_a to_o the_o present_a controversy_n of_o what_o happen_v in_o try_v the_o torricellian_n and_o other_o experiment_n at_o the_o top_n and_o foot_n of_o hill_n that_o the_o funicular_a hypothesis_n be_v but_o a_o inversion_n of_o the_o elastical_a one_o suppose_v a_o spring_n inward_o the_o other_o outward_n one_o perform_v its_o effect_n by_o pulsion_n the_o other_o by_o traction_n p._n 46._o that_o these_o trial_n on_o the_o top_n and_o foot_n of_o hill_n determine_v the_o case_n for_o the_o author_n hypothesis_n p._n 47._o the_o truth_n of_o the_o observation_n of_o monsieur_n paschall_n confirm_v p._n 48._o and_o the_o several_a trial_n that_o have_v be_v make_v of_o it_o relate_v ibid._n a_o trial_n of_o the_o author_n be_v from_o the_o lead_v of_o the_o abbey-church_n at_o westminster_n p._n 50_o 51_o 52._o that_o the_o subsidence_n of_o the_o mercury_n at_o the_o top_n of_o a_o hill_n proceed_v from_o the_o lightness_n of_o the_o atmospherical_a cylinder_n there_o p._n 53._o the_o relation_n of_o a_o experiment_n late_o make_v at_o hallifax_n hill_n in_o confirmation_n of_o the_o former_a p._n 54._o chap._n v._n two_o new_a experiment_n touch_v the_o measure_n of_o the_o force_n of_o the_o spring_n of_o the_o air_n compress_v and_o dilate_a that_o it_o be_v capable_a of_o do_v far_o more_o than_o the_o necessity_n of_o the_o author_n hypothesis_n require_v p._n 55._o the_o first_o experiment_n of_o compress_v air_n by_o pour_v mercury_n into_o a_o crooked_a tube_n relate_v ibid._n wherein_o the_o same_o air_n be_v bring_v to_o a_o degree_n of_o density_n twice_o as_o great_a obtain_v a_o spring_n twice_o as_o strong_a as_o before_o p._n 57_o a_o table_n of_o
the_o society_n those_o opinion_n which_o how_o erroneous_a soever_o he_o be_v please_v to_o think_v they_o i_o must_v own_o to_o be_v i_o and_o this_o justice_n i_o the_o rather_o do_v it_o because_o it_o be_v all_o that_o i_o be_o to_o do_v in_o this_o treatise_n on_o their_o behalf_n not_o only_o for_o the_o reason_n above_o intimate_v but_o because_o the_o vindication_n of_o such_o a_o assembly_n against_o mr._n hobbs_n deserve_v a_o better_a pen_n than_o i_o though_o it_o do_v not_o need_v it_o second_o undertake_v then_o the_o defence_n of_o my_o own_o cause_n without_o interess_v they_o in_o my_o quarrel_n i_o must_v next_o admonish_v the_o reader_n that_o whereas_o mr._n hobbs_n write_v as_o if_o the_o new_a experiment_n be_v devise_v or_o at_o least_o employ_v to_o prove_v a_o vacuum_n he_o be_v in_o this_o likewise_o mistake_v for_o neither_o have_v the_o society_n declare_v either_o for_o or_o against_o a_o vacuum_n nor_o have_v i_o nay_o i_o have_v not_o only_o forbear_v to_o profess_v myself_o a_o vacuist_n or_o a_o plenist_n but_o i_o have_v in_o a_o fit_a place_n of_o my_o epistle_n express_o say_v that_o i_o reserve_v the_o declare_v of_o my_o own_o opinion_n touch_v that_o point_n to_o another_o discourse_n which_o as_o yet_o be_v not_o publish_v wherefore_o mr._n hobbs_n either_o injure_v or_o mistake_v those_o who_o he_o will_v needs_o make_v his_o adversary_n when_o he_o represent_v the_o new_a experiment_n as_o demonstration_n allege_v by_o profess_a vacuist_n to_o disprove_v the_o fullness_n of_o the_o world_n and_o though_o i_o shall_v be_v oblige_v in_o the_o follow_a discourse_n to_o reject_v mr._n hobbs_n supposition_n of_o a_o plenum_fw-la yet_o i_o intend_v not_o thereby_o to_o declare_v whether_o or_o no_o i_o do_v absolute_o allow_v a_o vacuum_n but_o that_o which_o i_o drive_v at_o and_o which_o alone_o my_o present_a work_n exact_v be_v to_o show_v that_o i_o may_v reasonable_o oppose_v the_o hypothesis_n of_o a_o plenum_fw-la as_o it_o be_v state_v by_o mr._n hobbs_n and_o consequent_o unless_o he_o have_v better_a prove_v it_o i_o may_v very_o well_o refuse_v to_o let_v he_o take_v it_o for_o demonstrate_v but_o i_o intend_v not_o to_o question_v whether_o or_o no_o other_o plenist_n may_v not_o have_v better_a argument_n than_o his_o principle_n have_v suggest_v to_o he_o nor_o to_o deny_v but_o that_o the_o cartesian_o may_v without_o grant_v a_o vacuum_n give_v a_o more_o plausible_a account_n whether_o true_a or_o no_o of_o divers_a of_o the_o phaenomena_n of_o our_o engine_n if_o they_o will_v add_v as_o some_o of_o they_o of_o late_o have_v do_v the_o spring_n of_o the_o air_n to_o their_o hypothesis_n that_o the_o celestial_a matter_n of_o which_o the_o air_n do_v in_o great_a part_n consist_v be_v subtle_a enough_o free_o to_o pass_v through_o the_o pore_n of_o the_o close_a body_n and_o even_o glass_n itself_o as_o for_o the_o assertion_n non_fw-fr dari_fw-la vacuum_fw-la though_o as_o i_o say_v i_o need_v not_o in_o this_o place_n declare_v myself_o either_o for_o or_o against_o it_o yet_o i_o confess_v i_o do_v not_o find_v that_o mr._n hobbs_n though_o all_o along_o this_o discourse_n he_o argue_v from_o this_o principle_n against_o those_o he_o think_v vacuist_n have_v demonstrate_v it_o for_o in_o his_o book_n de_fw-fr corpore_fw-la though_o a_o main_a part_n of_o it_o depend_v 2._o upon_o the_o plenitude_n of_o the_o world_n he_o have_v that_o i_o remember_v but_o one_o positive_a argument_n indeed_o he_o think_v that_o unanswerable_a to_o evince_v it_o and_o that_o be_v draw_v from_o this_o experiment_n that_o if_o a_o gardener_n watering-pot_n be_v fill_v with_o water_n the_o hole_n at_o the_o top_n be_v stop_v the_o water_n will_v not_o flow_v out_o at_o any_o of_o the_o hole_n in_o the_o bottom_n but_o if_o the_o finger_n be_v remove_v to_o let_v in_o the_o air_n above_o it_o will_v run_v out_o at_o they_o all_o and_o as_o soon_o as_o the_o finger_n be_v apply_v to_o it_o again_o the_o water_n will_v sudden_o and_o totallay_v be_v stay_v again_o srom_o run_v out_o the_o cause_n whereof_o subjoin_v he_o seem_v to_o be_v no_o other_o but_o this_o that_o the_o water_n can_v by_o its_o natural_a endeavour_n to_o descend_v drive_v down_o the_o air_n below_o it_o because_o there_o be_v no_o place_n for_o it_o to_o go_v into_o unless_o either_o by_o thrust_v away_o the_o next_o contiguous_a air_n it_o proceed_v by_o continual_a endeavour_n to_o the_o hole_n at_o the_o top_n where_o it_o may_v enter_v and_o succeed_v in_o the_o place_n of_o the_o water_n that_o flow_v out_o or_o else_o by_o resist_v the_o endeavour_n of_o the_o water_n downward_o penetrate_v the_o same_o and_o pass_v up_o through_o it_o but_o this_o experiment_n as_o a_o obvious_a one_o and_o without_o dream_v that_o mr._n hobbs_n have_v lay_v such_o stress_n upon_o it_o i_o have_v incidental_o answer_v in_o what_o i_o say_v in_o two_o or_o three_o passage_n on_o the_o thirty_o three_o experiment_n of_o my_o epistle_n but_o after_o find_v that_o it_o have_v be_v more_o full_o answer_v but_o upon_o ground_n some_o of_o which_o i_o do_v not_o need_v by_o my_o learned_a friend_n dr._n ward_n with_o who_o i_o thus_o take_v mr._n hobbs_n his_o argument_n to_o piece_n the_o cause_n according_a to_o mr._n hobbs_n of_o the_o suspension_n of_o the_o water_n in_o the_o vessel_n be_v that_o the_o water_n can_v thrust_v away_o the_o air._n 2._o and_o it_o can_v thrust_v that_o away_o unless_o air_n succeed_v in_o its_o place_n 3._o but_o air_n can_v succeed_v in_o its_o place_n unless_o either_o by_o get_v in_o at_o the_o upper_a orifice_n or_o at_o the_o holes_n that_o perforate_v the_o bottom_n by_o which_o view_n of_o the_o argument_n it_o appear_v that_o the_o main_a force_n of_o it_o lie_v in_o the_o second_o proposition_n but_o neither_o do_v he_o demonstrate_v that_o which_o omission_n may_v excuse_v we_o from_o any_o further_a answer_n nor_o indeed_o do_v i_o think_v it_o true_a for_o if_o the_o water_v pot_n be_v tall_a enough_o what_o reason_n be_v there_o why_o the_o water_n shall_v not_o run_v out_o at_o the_o holes_n of_o it_o as_o mounseur_fw-fr paschall_n experiment_n mention_v in_o my_o epistle_n manifest_v that_o though_o in_o a_o glass-tube_n hermetical_o seal_v at_o one_o end_n and_o several_a time_n as_o long_o as_o a_o watering-pot_n the_o water_n will_v not_o fall_v down_o yet_o it_o will_v if_o the_o tube_n exceed_v two_o or_o three_o and_o thirty_o foot_n or_o thereabouts_o and_o indeed_o the_o suspension_n or_o descent_n of_o the_o water_n depend_v upon_o the_o proportion_n betwixt_o the_o weight_n of_o the_o aqueous_a pillar_n that_o tend_v downward_o and_o the_o resistance_n or_o pressure_n of_o the_o air_n that_o can_v come_v to_o bear_v against_o it_o for_o as_o on_o the_o one_o side_n when_o the_o height_n of_o that_o pillar_n be_v so_o increase_v as_o that_o it_o can_v outweigh_v the_o atmospherical_a cylinder_n that_o oppose_v its_o descent_n it_o will_v flow_v out_o till_o those_o two_o cylinder_n come_v to_o a_o aequilibrium_fw-la so_o on_o the_o other_o side_n if_o instead_o of_o increase_v the_o length_n of_o the_o cylinder_n of_o the_o water_n you_o lessen_v the_o pressure_n and_o resistance_n of_o the_o air_n the_o water_n will_v likewise_o descend_v though_o the_o pillar_n be_v very_o short_a as_o i_o have_v show_v in_o the_o nineteen_o experiment_n where_o by_o withdraw_v some_o of_o the_o air_n in_o the_o receiver_n and_o thereby_o weaken_v its_o spring_n the_o water_n in_o a_o tube_n hermetical_o seal_v at_o one_o end_n of_o but_o about_o four_o foot_n long_o subside_v about_o three_o foot_n though_o that_o the_o space_n relinquish_v by_o the_o water_n be_v not_o full_a of_o air_n as_o mr._n hobbs_n his_o argumentation_n require_v it_o shall_v be_v may_v be_v prove_v by_o what_o be_v there_o add_v that_o by_o let_v in_o the_o outward_a air_n when_o the_o water_n be_v sink_v so_o low_o it_o be_v immediate_o impel_v up_o again_o to_o the_o high_a part_n of_o the_o tube_n and_o indeed_o as_o i_o elsewhere_o discourse_v it_o seem_v flame_n to_o i_o a_o difficult_a matter_n for_o those_o that_o reject_v as_o mr._n hobbs_n just_o do_v that_o conceit_n of_o nature_n abhor_v a_o vacuum_n and_o make_v it_o as_o it_o be_v her_o business_n to_o hinder_v it_o to_o prove_v there_o can_v be_v no_o vacuum_n at_o all_o by_o any_o particular_a experiment_n for_o if_o the_o fullness_n of_o the_o world_n be_v not_o make_v necessary_a either_o by_o the_o nature_n of_o body_n in_o general_n or_o by_o the_o design_n of_o the_o author_n of_o the_o universe_n it_o can_v scarce_o be_v easy_a to_o prove_v by_o a_o particular_a experiment_n that_o no_o humane_a force_n or_o art_n can_v contrive_v a_o
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 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i_o may_v answer_v for_o not_o to_o mention_v that_o the_o argumentation_n be_v invalid_a unless_o by_o fluidum_fw-la he_o mean_v omne_fw-la fluidum_fw-la i_o reply_v that_o till_o he_o have_v explain_v what_o he_o mean_v by_o his_o fluida_fw-la prima_fw-la and_o prove_v that_o there_o be_v such_o the_o question_n need_v no_o answer_n beside_o that_o whatever_o he_o upon_o mistake_n strive_v to_o infer_v my_o doctrine_n be_v so_o far_o from_o affirm_v that_o there_o be_v many_o part_n of_o matter_n of_o which_o neither_o fluid_a nor_o hard_a body_n can_v be_v make_v that_o i_o teach_v as_o we_o have_v late_o see_v that_o there_o be_v multitude_n of_o part_n that_o may_v by_o be_v reduce_v to_o a_o sufficient_a smallness_n and_o put_v into_o a_o convenient_a motion_n or_o by_o be_v bring_v to_o a_o mutual_a contact_n and_o rest_n be_v make_v to_o constitute_v either_o a_o fluid_a body_n or_o a_o firm_a one_o as_o may_v be_v exemplify_v in_o the_o formerly-mentioned_n instance_n of_o two_o subtle_a liquor_n that_o immediate_o compose_v a_o consistent_a body_n and_o of_o quicksilver_n which_o without_o additament_n be_v make_v sometime_o a_o powder_n and_o sometime_o a_o liquor_n what_o mr._n hobbs_n add_v in_o the_o next_o page_n about_o the_o difficulty_n of_o explain_v the_o diaphaneity_n of_o glass_n or_o crystal_n in_o case_n they_o 31._o consist_v of_o corpuscle_n hard_a and_o implicate_v or_o have_v their_o pore_n in_o any_o way_n whatsoever_o disjoin_v i_o must_v not_o now_o insist_v on_o since_o beside_o that_o such_o a_o disquisition_n will_v require_v almost_o a_o volume_n the_o true_a and_o general_a cause_n of_o transparency_n in_o body_n be_v in_o my_o poor_a opinion_n one_o of_o the_o abstruse_a thing_n in_o natural_a philosophy_n and_o mr._n hobbs_n explication_n of_o it_o though_o none_o of_o his_o worst_a conceit_n have_v for_o aught_o i_o can_v find_v fall_v short_a of_o satisfy_v the_o curious_a as_o well_o as_o those_o of_o other_o man_n have_v do_v but_o to_o i_o that_o have_v not_o take_v upon_o i_o to_o write_v element_n of_o philosophy_n it_o be_v enough_o that_o i_o have_v by_o competent_a experiment_n and_o other_o proof_n confirm_v the_o truth_n of_o my_o doctrine_n about_o the_o cause_n of_o firmness_n though_o i_o attempt_v not_o to_o explicate_v the_o other_o quality_n of_o the_o same_o body_n who_o explication_n my_o undertake_n do_v not_o exact_a wherefore_o i_o hope_v i_o may_v now_o hasten_v to_o conclude_v this_o appendix_n with_o spend_v a_o few_o word_n on_o the_o notion_n of_o fluidity_n and_o firmness_n mr._n hobbs_n will_v substitute_v instead_o of_o i_o for_o have_v now_o perhaps_o but_o too_o prolix_o examine_v what_o he_o have_v be_v please_v to_o object_n against_o my_o doctrine_n i_o shall_v not_o need_n spend_v time_n to_o vindicate_v the_o experiment_n and_o consideration_n whereon_o i_o build_v it_o mr._n hobbs_n for_o reason_n best_o know_v to_o himself_o not_o have_v think_v fit_a to_o take_v notice_n of_o they_o mr._n hobbs_n theory_n of_o fluidity_n and_o firmness_n be_v thus_o deliver_v by_o himself_o b._n quaenam_fw-la duri_fw-la &_o fluidi_fw-la sunt_fw-la principia_fw-la a._n quid_fw-la aliud_fw-la nisi_fw-la fluidi_fw-la quidem_fw-la quies_n duri_fw-la autem_fw-la 30._o motus_fw-la quidam_fw-la ad_fw-la illum_fw-la effectum_fw-la producendum_fw-la idoneus_fw-la per_fw-la quietem_fw-la intelligo_fw-la duar_fw-la be_o partium_fw-la inter_fw-la se_fw-la quietem_fw-la cum_fw-la se_fw-la mutuo_fw-la tangunt_fw-la quidem_fw-la sed_fw-la non_fw-la premunt_fw-la nam_fw-la &_o fluida_fw-la moveri_fw-la tota_fw-la possunt_fw-la retenta_fw-la fluiditate_fw-la &_o dura_fw-la quiescere_fw-la ut_fw-la tamen_fw-la part_n eorum_fw-la moveantur_fw-la i_o doubt_v not_o but_o this_o will_n to_o most_o reader_n seem_v a_o paradox_n and_o as_o for_o his_o ratiocination_n contain_v in_o the_o two_o last_o line_n i_o shall_v ready_o allow_v he_o that_o fluida_fw-la moveri_fw-la tota_fw-la possunt_fw-la retent_a a_o fluiditate_fw-la since_o that_o i_o think_v agree_v at_o least_o as_o well_o with_o my_o hypothesis_n as_o he_o but_o whereas_o he_o add_v that_o hard_a body_n may_v rest_v and_o yet_o their_o part_n be_v move_v that_o may_v in_o one_o case_n be_v conceive_v and_o in_o another_o not_o for_o indeed_o the_o implicate_v part_n of_o a_o firm_a body_n may_v be_v make_v to_o tremble_v or_o a_o little_a vibrate_v as_o it_o be_v to_o and_o fro_o as_o those_o of_o a_o sound_a bell_n do_v or_o as_o in_o a_o hedge_n the_o branch_n and_o twig_n may_v be_v shake_v by_o the_o wind_n whilst_o the_o tree_n and_o bush_n themselves_o continue_v root_v in_o the_o ground_n but_o that_o in_o a_o body_n the_o constituent_a corpuscle_n shall_v all_o or_o most_o of_o they_o be_v move_v quite_o out_o of_o their_o place_n in_o respect_n of_o one_o another_o as_o be_v late_o show_v to_o happen_v in_o fluid_n and_o yet_o the_o body_n continue_v hard_a be_v more_o requisite_a than_o easy_a to_o be_v prove_v but_o mr._n hobbs_n content_v himself_o to_o allege_v in_o favour_n of_o his_o strange_a notion_n touch_v fluidity_n and_o firmness_n three_o particular_n which_o i_o confess_v afford_v i_o not_o the_o least_o satisfaction_n the_o first_o be_v draw_v from_o what_o he_o former_o teach_v touch_v the_o swift_a motion_n of_o the_o air_n in_o our_o cylinder_n which_o example_n as_o he_o call_v it_o have_v repeat_v he_o add_v atque_fw-la hinc_fw-la manifestum_fw-la est_fw-la vehementem_fw-la esse_fw-la in_o aëre_fw-la it_o a_o moto_fw-mi &_o clauso_fw-la compressionem_fw-la 30._o quantam_fw-la scilicet_fw-la efficere_fw-la potest_fw-la vis_fw-la illa_fw-la qua_fw-la incussus_fw-la erat_fw-la atque_fw-la etiam_fw-la à _fw-la tanta_fw-la compressione_n aliquem_fw-la gradum_fw-la consistentiae_fw-la fieri_fw-la quanquam_fw-la consistentia_fw-la aquae_fw-la minorem_fw-la quod_fw-la si_fw-la esset_fw-la in_o iisdem_fw-la particulis_fw-la aëris_fw-la omnibus_fw-la praeter_fw-la motum_fw-la illum_fw-la quo_fw-la alter_fw-la a_o alteram_fw-la premit_fw-la motus_fw-la ille_fw-la circularis_fw-la simplex_fw-la isque_fw-la satis_fw-la vehemens_fw-la impossibile_fw-it fere_n esset_fw-la unam_fw-la earum_fw-la à _fw-la svo_fw-la circello_fw-la dimoveri_fw-la quin_fw-la reliquis_fw-la particulis_fw-la resistentibus_fw-la totus_fw-la simul_fw-la premeretur_fw-la idest_fw-la totum_fw-la durum_fw-la esset_fw-la durum_fw-la enimest_n totumillud_fw-la cujus_fw-la nulla_fw-la cedit_fw-la parsnisi_fw-la cedente_fw-la toto_fw-la vides_fw-la ergoposse_v fieri_fw-la duritiem_fw-la in_o fluidissimo_fw-la aëre_fw-la per_fw-la motum_fw-la hunc_fw-la circularem_fw-la simplicem_fw-la particularem_fw-la quibus_fw-la duo_fw-la motus_fw-la contrarii_fw-la ante_fw-la dederant_fw-la vertiginem_fw-la but_o i_o confess_v i_o do_v not_o see_v how_o the_o motus_fw-la circularis_fw-la simplex_fw-la he_o talk_v of_o shall_v give_v such_o a_o hardness_n to_o the_o fluid_a air_n nor_o be_v it_o manifest_a to_o i_o how_o the_o air_n that_o perfect_o fill_v the_o cylinder_n can_v be_v by_o motion_n compress_v especial_o so_o far_o as_o to_o obtain_v thereby_o a_o degree_n of_o consistence_n fit_a to_o be_v mention_v as_o he_o speak_v of_o it_o when_o without_o add_v the_o word_n much_o or_o any_o other_o equivalent_a term_n he_o say_v that_o yet_o it_o be_v less_o than_o the_o consistence_n of_o water_n for_o the_o cylinder_n be_v according_a to_o he_o perfect_o full_a of_o air_n i_o see_v not_o how_o the_o pump_v can_v make_v the_o cavity_n to_o use_v his_o own_o expression_n elsewhere_o full_a than_o full_a nor_o consequent_o can_v compress_v the_o air_n to_o a_o consistence_n any_o thing_n near_o that_o of_o water_n without_o penetration_n of_o dimension_n but_o these_o thing_n be_v mention_v only_o ex_fw-la abundanti_fw-la for_o the_o violent_a motion_n itself_o of_o the_o air_n in_o the_o cylinder_n which_o motion_n the_o argument_n suppose_v have_v be_v already_o in_o the_o examen_fw-la of_o one_o of_o the_o former_a passage_n of_o his_o dialogue_n sufficient_o manifest_v to_o be_v contrary_a to_o experience_n the_o second_o thing_n mr._n hobbs_n allege_v be_v his_o conceit_n of_o the_o generation_n of_o flesh_n within_o the_o muscle_n of_o the_o humane_a body_n but_o beside_o that_o he_o take_v for_o grant_v two_o or_o three_o thing_n which_o many_o learned_a anatomist_n and_o physician_n even_o among_o the_o modern_n will_v scarce_o allow_v he_o and_o which_o he_o do_v not_o prove_v beside_o this_o i_o say_v which_o i_o may_v elsewhere_o have_v occasion_n to_o consider_v further_a the_o account_n he_o give_v of_o the_o generation_n of_o flesh_n from_o these_o supposition_n be_v far_o from_o be_v evident_o enough_o deduce_v to_o vie_v for_o clearness_n with_o many_o of_o those_o experiment_n which_o i_o have_v allege_v in_o favour_n of_o the_o opinion_n he_o oppose_v and_o whereas_o he_o add_v atque_fw-la talis_fw-la quidem_fw-la esse_fw-la potest_fw-la causa_fw-la efficiens_fw-la duri_fw-la primi_fw-la duri_fw-la autem_fw-la secundi_fw-la id_fw-la est_fw-la duri_fw-la à _fw-la cohaesione_fw-la 31._o durorum_fw-la primorum_fw-la causa_fw-la potest_fw-la esse_fw-la motus_fw-la ille_fw-la idem_fw-la circularis_fw-la simplex_fw-la conjunctus_fw-la cum_fw-la contactu_fw-la
find_v out_o of_o the_o invisible_a cause_n of_o natural_a thing_n all_o will_v be_v in_o vain_a p._n 15._o cum_fw-la ejus_fw-la etc._n etc._n see_v almost_o all_o its_o part_n be_v flexil_n like_o little_a soft_a feather_n to_o fine_a thread_n ibid._n sed_fw-la quisquis_fw-la etc._n etc._n but_o it_o matter_n not_o who_o be_v the_o author_n of_o that_o supposition_n for_o the_o very_a hypothesis_n itself_o wherein_o be_v suppose_v a_o motion_n of_o subtle_a matter_n which_o be_v swift_a without_o any_o cause_n assign_v and_o have_v moreover_o divers_a innumerable_a circulation_n of_o corpuscle_n generate_v from_o the_o single_a motion_n of_o that_o matter_n be_v not_o the_o conceit_n of_o a_o man_n of_o wit_n or_o sense_n p._n 16._o nempe_fw-la hoc_fw-la etc._n etc._n this_o be_v the_o thing_n that_o the_o great_a des-cartes_n somewhere_o admire_v that_o he_o whether_o his_o position_n be_v true_a or_o false_a do_v never_o in_o argumentation_n make_v any_o right_a inference_n from_o his_o supposition_n p._n 17._o quod_fw-la sane_fw-la etc._n etc._n which_o be_v indeed_o a_o most_o evident_a argument_n of_o the_o weight_n of_o the_o air._n ibid._n quod_fw-la quidem_fw-la lanx_fw-la etc._n etc._n that_o the_o scale_n in_o which_o the_o bladder_n be_v be_v more_o depress_v than_o the_o other_o they_o may_v be_v certain_a their_o eye_n bear_v they_o witness_n but_o that_o this_o come_v from_o the_o natural_a gravity_n of_o the_o air_n he_o can_v be_v assure_v especial_o if_o they_o be_v ignorant_a what_o be_v the_o efficient_a cause_n of_o gravity_n p._n 18._o quod_fw-la vesica_fw-la etc._n etc._n that_o the_o bladder_n whether_o it_o be_v blow_v up_o with_o a_o pair_n of_o bellows_o or_o with_o the_o breath_n of_o one_o mouth_n be_v heavy_a than_o when_o it_o be_v not_o blow_v up_o i_o will_v not_o deny_v because_o of_o the_o great_a quantity_n of_o atom_n from_o the_o bellows_o or_o of_o fuliginous_a corpuseles_o that_o be_v blow_v in_o from_o the_o breath_n but_o notwithstanding_o they_o gather_v nothing_o of_o sufficient_a certainty_n from_o this_o experiment_n of_o a_o blow_a bladder_n they_o ought_v to_o have_v put_v into_o the_o scale_n two_o vessel_n of_o equal_a weight_n whereof_o one_o shall_v be_v shut_v and_o the_o other_o open_a for_o by_o this_o mean_v air_n not_o blow_v in_o but_o only_o enclose_v have_v be_v weigh_v when_o therefore_o you_o shall_v see_v air_n so_o weigh_v we_o will_v afterward_o consider_v what_o may_v be_v say_v concern_v the_o phaenomenon_n you_o bring_v p._n 19_o quod_fw-la atmosphaerae_fw-la etc._n etc._n that_o many_o particle_n both_o of_o earth_n and_o water_n mingle_v with_o the_o aethereal_a body_n be_v in_o the_o atmosphere_n i_o be_o easy_o persuade_v but_o that_o in_o the_o middle_n of_o the_o aether_n they_o shall_v move_v upward_o downward_o every_o way_n and_o that_o one_o lean_v on_o the_o back_n of_o another_o they_o shall_v not_o gravitate_fw-la be_v a_o thing_n utter_o unconceivable_a p._n 20._o aer_fw-la quo_fw-la etc._n etc._n the_o air_n with_o which_o in_o the_o begin_n the_o spherical_a glass_n be_v full_a be_v move_v by_o those_o earthy_a corpuscle_n in_o a_o simple_a circular_a motion_n and_o be_v compress_v by_o the_o force_n of_o the_o injection_n that_o of_o it_o which_o be_v pure_a penetrate_v the_o injected_a water_n get_v out_o into_o the_o open_a air_n and_o give_v place_n to_o the_o water_n it_o follow_v therefore_o that_o those_o earthy_a corpuscle_n have_v less_o place_n leave_v in_o which_o they_o can_v exercise_v their_o natural_a motion_n therefore_o beat_v one_o upon_o another_o they_o force_v the_o water_n to_o go_v out_o it_o thus_o go_v out_o the_o external_a air_n because_o the_o universe_n be_v suppose_v to_o be_v full_a penetrate_v it_o and_o successive_o take_v up_o the_o place_n of_o the_o air_n that_o go_v out_o until_o the_o corpuscle_n the_o same_o quantity_n of_o air_n be_v restore_v regain_v a_o liberty_n natural_a to_o their_o motion_n p._n 21._o quoniam_fw-la per_fw-la etc._n etc._n because_o by_o the_o draw_v back_o of_o the_o sucker_n the_o pure_a air_n be_v thrust_v in_o but_o the_o earthy_a part_n be_v not_o thrust_v in_o there_o be_v a_o great_a proportion_n of_o earthy_a particle_n which_o without_o the_o cylinder_n be_v near_o the_o sucker_n unto_o the_o pure_a air_n in_o which_o they_o exercise_v their_o motion_n as_o well_o after_o this_o revulsion_n as_o before_o wherefore_o these_o particle_n so_o move_v have_v less_o place_n to_o exercise_v their_o natural_a motion_n in_o some_o of_o they_o fall_v foul_a and_o beat_v upon_o the_o rest_n so_o that_o of_o necessity_n the_o particle_n that_o be_v near_o the_o surface_n of_o the_o sucker_n must_v drive_v it_o upward_o ibid._n vidisti_fw-la etc._n etc._n you_o see_v now_o that_o the_o spring_n of_o the_o air_n which_o they_o fuppose_v be_v either_o a_o impossible_a thing_n or_o they_o must_v for_o its_o defence_n have_v recourse_n to_o the_o hypothesis_n of_o mr._n hobbs_n p._n 23._o quia_fw-la cuticula_fw-la omnis_fw-la etc._n etc._n because_o every_o skin_n be_v make_v up_o of_o small_a thread_n or_o filament_n which_o by_o reason_n of_o their_o figure_n can_v accurate_o touch_v in_o all_o point_n the_o bladder_n therefore_o be_v a_o skin_n must_v be_v pervious_a not_o only_o to_o air_n but_o to_o water_n also_o as_o to_o sweat_v therefore_o of_o the_o air_n beat_v in_o by_o force_n there_o be_v the_o same_o compression_n within_o the_o bladder_n that_o there_o be_v without_o the_o endeavour_n of_o which_o the_o way_n of_o its_o motion_n be_v every_o way_n cross_v tend_v every_o way_n to_o the_o concave_a superficies_n of_o the_o bladder_n wherefore_o it_o be_v of_o necessity_n that_o it_o must_v swell_v every_o way_n and_o the_o vehemency_n of_o the_o endeavour_n increase_v be_v tear_v at_o last_o p._n 26._o intellexti_fw-la etc._n etc._n have_v you_o understand_v my_o hypothesis_n 1._o that_o there_o be_v with_o the_o air_n intersper_v many_o earthy_a particle_n endue_v with_o a_o simple_a circular_a motion_n congenite_fw-la to_o its_o nature_n 2._o that_o there_o be_v a_o great_a quantity_n of_o these_o particle_n in_o the_o air_n that_o be_v near_o the_o earth_n than_o in_o that_o which_o be_v more_o remote_a from_o it_o p._n 27._o neque_fw-la est_fw-la etc._n etc._n nor_o be_v there_o any_o one_o that_o hitherto_o have_v bring_v any_o reason_n why_o it_o may_v not_o be_v so_o p._n 29._o nihil_fw-la etc._n etc._n nothing_o be_v move_v but_o by_o a_o contiguous_a body_n that_o be_v in_o motion_n ibid._n dum_fw-la suctor_n etc._n etc._n while_o the_o sucker_n be_v draw_v back_o by_o how_o much_o a_o great_a place_n be_v leave_v within_o by_o so_o much_o a_o lesser_a place_n be_v leave_v to_o the_o external_a air_n which_o be_v thrust_v backward_o by_o the_o motion_n of_o the_o sucker_n towards_o the_o outmost_a part_n do_v move_v in_o like_a manner_n the_o air_n that_o be_v next_o itself_o and_o that_o air_n the_o next_o and_o so_o forward_o so_o that_o it_o be_v of_o necessity_n at_o last_o that_o the_o air_n must_v be_v compel_v into_o the_o space_n desert_v by_o the_o sucker_n and_o to_o enter_v between_o the_o convex_a and_o surface_n of_o the_o sucker_n and_o the_o concave_n of_o the_o cylinder_n for_o it_o be_v suppose_v that_o the_o part_n of_o the_o air_n be_v infinite_o subtle_a it_o be_v impossible_a but_o they_o shall_v insinuate_v themselves_o that_o way_n by_o which_o the_o sucker_n be_v draw_v down_o for_o first_o the_o contact_n of_o those_o surface_n can_v be_v perfect_a in_o all_o point_n because_o the_o surface_v themselves_o can_v be_v make_v infinite_o smooth_a then_o that_o force_n which_o be_v apply_v to_o draw_v back_o the_o sucker_n do_v distend_v in_o some_o measure_n the_o cavity_n of_o the_o cylinder_n last_o if_o in_o the_o confine_n of_o that_o be_v betwixt_o the_o two_o surface_n any_o one_o single_a hard_a atom_n shall_v enter_v pure_a air_n will_v enter_v at_o the_o same_o way_n although_o with_o a_o weak_a endeavour_n i_o may_v also_o have_v account_v that_o air_n which_o for_o the_o same_o cause_n insinuate_v itself_o through_o the_o valve_n of_o the_o cylinder_n you_o see_v therefore_o the_o consequence_n from_o the_o retraction_n of_o the_o sucker_n to_o the_o be_v of_o a_o empty_a place_n be_v take_v away_o it_o will_v follow_v also_o that_o the_o air_n which_o be_v drive_v up_o into_o the_o place_n desert_v by_o the_o sucker_n because_o it_o be_v drive_v up_o thither_o by_o a_o great_a force_n be_v move_v with_o a_o very_a swift_a and_o circular_a motion_n betwixt_o the_o top_n and_o the_o bottom_n in_o the_o cylinder_n because_o there_o be_v nothing_o there_o that_o can_v weaken_v its_o motion_n and_o you_o know_v that_o there_o be_v nothing_o that_o can_v give_v motion_n to_o its_o own_o self_n or_o diminish_v it_o p._n 39_o haerent_fw-la hic_fw-la etc._n
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