kind_n of_o attraction_n that_o be_v employ_v to_o raise_v liquor_n and_o be_v by_o a_o distinct_a name_n call_v suction_n about_o the_o cause_n of_o this_o there_o be_v great_a comention_n between_o the_o new_a philosopher_n as_o they_o be_v style_v and_o the_o peripatetic_n for_o the_o follower_n of_o aristotle_n and_o many_o learned_a man_n that_o in_o other_o thing_n dissent_v from_o he_o ascribe_v the_o ascension_n of_o liquor_n upon_o suction_n to_o nature_n abhorrence_n of_o a_o vacuum_n for_o say_v they_o when_o a_o man_n dip_v one_o end_n of_o a_o straw_n or_o reed_n into_o stagnant_a water_n and_o suck_v at_o the_o other_o end_n the_o air_n contain_v in_o the_o cavity_n of_o the_o reed_n pass_v into_o that_o of_o his_o lung_n and_o consequent_o the_o reed_n will_v be_v leave_v empty_a if_o no_o other_o body_n succeed_v in_o the_o place_n it_o desert_n but_o there_o be_v only_o that_o they_o take_v notice_n of_o two_o body_n that_o can_v succeed_v the_o air_n and_o the_o grosser_n liquor_n the_o water_n and_o the_o air_n can_v do_v it_o because_o of_o the_o interposition_n of_o the_o water_n that_o deny_v it_o access_n to_o the_o immersed_a orifice_n of_o thâ—_n reed_n and_o therefore_o it_o must_v be_v the_o water_n itself_o which_o according_o do_v ascend_v to_o prevent_v a_o vacuum_n detest_a by_o nature_n but_o many_o of_o the_o modern_a philosopher_n and_o general_o all_o the_o corpuscâ—larians_n look_v upon_o this_o fuga_fw-la vacue_n as_o but_o a_o imaginary_a cause_n of_o suction_n though_o they_o do_v it_o upon_o very_o differ_v ground_n for_o the_o atomist_n thaâ—_n willing_o admit_v of_o vacuity_n proper_o so_o call_v both_o within_o and_o without_o our_o world_n can_v think_v that_o nature_n hate_v or_o fear_v a_o vacuum_n and_o decline_v her_o usual_a course_n to_o prevent_v it_o and_o the_o cartesian_o though_o they_o do_v as_o well_o as_o the_o peripatetic_n deny_v that_o that_o there_o be_v a_o vacuum_n yet_o since_o they_o affirm_v not_o only_o that_o there_o be_v none_o in_o rerum_fw-la natura_fw-la but_o that_o there_o can_v be_v none_o because_o what_o other_o call_v a_o empty_a space_n have_v three_o dimension_n have_v all_o that_o they_o think_v belong_v to_o the_o essence_n of_o a_o body_n they_o will_v not_o grant_v nature_n to_o be_v so_o indiscreet_a as_o to_o strain_v herself_o to_o prevent_v the_o make_n of_o a_o thing_n that_o be_v impossible_a to_o be_v make_v the_o peripatetic_a opinion_n about_o the_o cause_n of_o suction_n though_o common_o defend_v by_o the_o school_n as_o well_o modern_a as_o ancient_n suppose_v in_o nature_n such_o a_o abhorrence_n of_o a_o vacuum_n as_o neither_o have_v be_v well_o prove_v nor_o do_v well_o agree_v with_o the_o late_o discover_v phaenomenon_n of_o suction_n for_o according_a to_o their_o hypothesis_n water_n and_o other_o liquor_n shall_v ascend_v upon_o suction_n to_o any_o height_n to_o prevent_v a_o vacuum_n which_o yet_o be_v not_o agreeable_a to_o experience_n for_o i_o have_v careful_o try_v that_o by_o pump_v with_o a_o pump_n far_o more_o staunch_a than_o those_o that_o be_v usual_o make_v and_o indeed_o as_o well_o close_v as_o we_o can_v possible_o bring_v it_o to_o be_v we_o can_v not_o by_o all_o our_o endeavour_n raise_v water_n by_o suction_n to_o above_o exp._n 36_o ½_o foot_n the_o torricellian_a exp_n t_o show_v thaâ—_n the_o weight_n of_o the_o air_n be_v able_a to_o sustain_v and_o some_o of_o our_o experim_n ts_o show_n it_o be_v able_a to_o raise_v a_o mercurial_a cylinder_n equal_a in_o weight_n to_o as_o high_a a_o cylinder_n of_o water_n as_o we_o be_v able_a to_o raise_v by_o pump_v for_o mercury_n be_v near_o â—â—_o time_n as_o heavy_a as_o water_n of_o the_o samâ—_n bulk_n if_o the_o weight_n of_o the_o air_n bâ—_n equivalent_a to_o that_o of_o a_o mercuriâ—_n cylinder_n of_o 29_o or_o 30_o inch_n it_o muâ—â—_n be_v able_a to_o counterpoise_v a_o cylinder_n oâ—_n water_n near_o fourteen_o time_n as_o long_o that_o be_v from_o thirty_o four_o to_o near_o thirtâ—_o six_o foot_n and_o very_o disagreeable_a tâ—_n the_o common_a hypothesis_n but_o consonant_a to_o we_o be_v the_o experiment_n thâ—_n i_o have_v more_o than_o once_o try_v and_o â—_o think_v elsewhere_o deliver_v name_o that_o if_o you_o take_v a_o glass_n pipe_n of_o aâ—bout_o three_o foot_n long_o and_o dip_v one_o end_n of_o it_o in_o water_n suck_v at_o the_o other_o the_o water_n will_v be_v sudden_o make_v to_o flow_v brisk_o into_o your_o mouth_n but_o if_o instead_o of_o water_n you_o dip_v the_o low_a end_n into_o quicksilver_n though_o you_o suck_v as_o strong_o as_o ever_o you_o can_v provide_v that_o in_o this_o case_n as_o in_o the_o former_a you_o hold_v the_o pipe_n upright_o you_o will_v never_o be_v able_a to_o suck_v up_o the_o quicksilver_n near_o so_o high_a as_o your_o mouth_n so_o that_o if_o the_o water_n ascend_v upon_o suction_n to_o the_o top_n of_o the_o same_o pipe_n because_o else_o there_o will_v have_v be_v a_o vacuum_n leave_v in_o the_o cavity_n of_o it_o why_o shall_v not_o we_o conclude_v that_o when_o we_o have_v suck_v up_o the_o quicksilver_n as_o strong_o as_o we_o can_v as_o much_o of_o the_o upper_a part_n of_o the_o tube_n as_o be_v desert_v by_o the_o air_n and_o yet_o not_o fill_v by_o the_o mercury_n admit_v in_o part_n at_o least_o a_o vacuum_n as_o to_o air_n of_o which_o consequent_o nature_n can_v reasonable_o be_v suppose_v to_o have_v so_o great_a and_o unlimited_a a_o abhorrency_n as_o the_o peripatetic_n and_o their_o adherent_n presume_v yet_o i_o will_v not_o determine_v whether_o there_o be_v any_o more_o than_o many_o little_a vacuity_n or_o space_n devoid_a of_o air_n in_o the_o cavity_n so_o call_v of_o the_o pipe_n unfilled_a by_o the_o mercury_n so_o that_o the_o whole_a cavity_n be_v not_o one_o entire_a empty_a space_n it_o be_v sufficient_a for_o my_o purpose_n that_o my_o experiment_n afford_v a_o good_a argument_n ad_fw-la hominem_fw-la against_o the_o peripatetic_n and_o warrant_v we_o to_o seek_v for_o some_o other_o cause_n than_o the_o fuga_fw-la vacui_fw-la why_o a_o much_o strong_a suction_n than_o that_o which_o make_v water_n ascend_v with_o ease_n into_o the_o sucker_n mouth_n will_v not_o also_o raise_v quicksilver_n to_o the_o same_o height_n or_o near_o it_o those_o modern_a philosopher_n that_o admit_v not_o the_o fuga_fw-la vacui_fw-la to_o be_v the_o cause_n of_o the_o raise_n of_o liquor_n in_o suction_n do_v general_o enough_o agree_v in_o refer_v it_o to_o the_o action_n of_o the_o sucker_n thorax_n for_o when_o a_o man_n endeavour_n to_o suck_v up_o a_o liquor_n he_o do_v by_o mean_n of_o the_o muscle_n enlarge_v the_o cavity_n of_o his_o chest_n which_o he_o can_v do_v but_o at_o the_o same_o time_n he_o must_v thrust_v away_o those_o part_n of_o the_o ambient_fw-la air_n that_o be_v contiguous_a to_o his_o chest_n and_o the_o displace_v air_n do_v according_a to_o some_o learned_a man_n therein_o if_o i_o mistake_v not_o followers_z of_o gassendus_fw-la compress_v the_o contiguous_a air_n and_o that_o the_o next_o to_o it_o and_o so_o outward_o till_o the_o pressure_n successive_o pass_v from_o one_o part_n of_o the_o air_n to_o the_o other_o arrive_v at_o the_o surface_n of_o the_o liquor_n and_o all_o other_o place_n be_v as_o to_o sense_n full_a the_o impel_v air_n can_v find_v place_n but_o by_o thrust_v the_o water_n into_o the_o room_n make_v for_o it_o in_o the_o pipe_n by_o the_o recess_n of_o the_o air_n that_o pass_v into_o the_o sucker_n lung_n and_o they_o differ_v not_o much_o from_o this_o explication_n that_o without_o take_v in_o the_o compression_n of_o the_o ambient_fw-la air_n make_v by_o the_o thorax_n refer_v the_o phaenomenon_n to_o the_o propagate_v motion_n or_o impulse_n that_o be_v impress_v on_o the_o air_n displace_v by_o the_o thorax_n in_o its_o dilatation_n and_o yet_o unable_a to_o move_v in_o a_o world_n perfect_o fill_v as_o they_o suppose_v we_o to_o be_v unless_o the_o liquor_n be_v impel_v into_o as_o much_o of_o the_o cavity_n of_o the_o pipe_n as_o fast_o as_o it_o be_v desert_v by_o the_o air_n that_o be_v say_v to_o be_v suck_v up_o but_o though_o i_o ready_o confess_v this_o explication_n to_o be_v ingenious_a and_o such_o as_o i_o wonder_v not_o they_o shall_v acquiess_v in_o who_o be_v acquaint_v but_o with_o the_o long_o know_v and_o obvious_a phaenomena_n of_o suction_n and_o though_o i_o be_o not_o sure_a but_o that_o in_o the_o most_o familiar_a case_n the_o cause_n assign_v by_o they_o may_v contribute_v to_o the_o effect_n yet_o preserve_v for_o cartesius_n and_o gassendus_fw-la the_o respect_n i_o willing_o pay_v such_o great_a philosopher_n i_o must_v take_v the_o liberty_n to_o tell_v you_o that_o i_o can_v acquiess_v in_o
place_n desert_v by_o the_o liquor_n that_o be_v suck_v there_o shall_v succeed_v air_n or_o some_o other_o visible_a body_n as_o the_o peripatetic_a school_n will_v have_v it_o to_o â—hew_v this_o i_o say_v i_o think_v on_o the_o follow_a experiment_n we_o take_v a_o glass-pipe_n fit_a to_o have_v the_o torricellian_a experiment_n make_v with_o it_o but_o a_o good_a deal_n long_o than_o be_v necessary_a for_o that_o use_n this_o pipe_n be_v hermetical_o seal_v at_o one_o end_n the_o other_o end_n be_v so_o bend_v as_o to_o be_v reflect_v upward_o and_o make_v as_o it_o be_v the_o short_a leg_n of_o the_o syphon_n as_o parallel_v as_o we_o can_v to_o the_o long_o so_o that_o the_o tube_n now_o be_v shape_v like_o a_o invert_v syphon_n with_o leg_n of_o a_o very_a unequal_a length_n this_o tube_n notwithstanding_o its_o inconvenient_a figure_n we_o make_v a_o shift_n for_o it_o be_v not_o easy_o do_v to_o fill_v with_o mercury_n when_o it_o be_v in_o a_o incline_v posture_n and_o then_o erect_v it_o the_o mercury_n subside_v in_o the_o long_a leg_n as_o in_o the_o torricellian_a experiment_n and_o attain_v to_o between_o two_o foot_n and_o a_o quarter_n and_o two_o foot_n and_o a_o half_a above_o the_o surface_n of_o the_o mercury_n in_o the_o short_a leg_n which_o in_o this_o instrument_n answer_v to_o the_o stagnant_a mercury_n in_o a_o ordinary_a barometer_n from_o which_o to_o distinguish_v it_o i_o have_v elsewhere_o call_v this_o syphon_n furnish_v with_o mercury_n a_o travel_a baroscope_n because_o it_o may_v be_v safe_o carry_v from_o place_n to_o place_n out_o of_o the_o short_a leg_n of_o this_o tube_n we_o wary_o take_v as_o much_o mercury_n as_o be_v think_v convenient_a for_o what_o we_o have_v further_a to_o do_v and_o this_o we_o do_v by_o such_o a_o way_n as_o to_o hinder_v any_o air_n from_o get_v into_o the_o desert_a cavity_n of_o the_o long_a leg_n by_o which_o mean_v the_o mercurial_a cylinder_n estimate_v as_o i_o late_o mention_v retain_v the_o same_o height_n above_o the_o stagnant_a mercury_n in_o the_o short_a the_o upper_a and_o close_v part_n of_o this_o travel_a baroscope_n you_o will_v easy_o grant_v to_o have_v be_v free_a from_o common_a air_n not_o only_o for_o other_o reason_n that_o have_v be_v give_v elsewhere_o but_o particular_o for_o this_o that_o if_o you_o gentle_o incline_v the_o instrument_n the_o quicksilver_n will_v ascend_v to_o the_o top_n of_o the_o tube_n which_o you_o know_v it_o can_v not_o do_v if_o the_o place_n former_o desert_v by_o it_o be_v possess_v by_o the_o air_n which_o by_o its_o spring_n will_v hinder_v the_o ascension_n of_o the_o mercury_n as_o be_v easy_a to_o be_v try_v the_o instrument_n have_v be_v thus_o fit_v i_o cause_v one_o of_o the_o bystander_n to_o suck_v at_o the_o short_a leg_n whereupon_o as_o i_o expect_v there_o present_o ensue_v a_o ascension_n of_o four_o or_o five_o inch_n of_o mercury_n in_o that_o leg_n and_o a_o proportionable_a subsidence_n of_o the_o mercury_n in_o the_o long_o and_o yet_o in_o this_o case_n the_o raise_n of_o the_o mercury_n can_v be_v pretend_v to_o proceed_v from_o the_o pressure_n of_o the_o air._n for_o the_o weight_n of_o the_o atmosphere_n be_v fence_v off_o by_o that_o which_o close_v the_o upper_a end_n of_o the_o long_a tube_n and_o the_o spring_n of_o the_o air_n have_v here_o nothing_o to_o do_v since_o as_o we_o have_v late_o show_v the_o space_n desert_v by_o the_o mercury_n be_v not_o possess_v by_o the_o include_v air_n and_o the_o pulsion_n or_o condensation_n of_o the_o air_n suppose_v by_o divers_a modern_a philosopher_n to_o be_v make_v by_o the_o dilatation_n of_o the_o sucker_n chest_n and_o to_o press_v upon_o the_o surface_n of_o the_o liquor_n that_o be_v to_o be_v suck_v up_o this_o i_o say_v can_v here_o be_v pretend_v in_o regard_n the_o surface_n of_o the_o liquor_n in_o the_o long_a leg_n be_v every_o way_n fence_v from_o the_o pressure_n of_o the_o ambient_fw-la air._n so_o that_o it_o remain_v that_o the_o cause_n which_o raise_v the_o quicksilver_n in_o the_o short_a leg_n upon_o the_o new_o recite_v suction_n be_v the_o weight_n of_o the_o collateral_o superior_a quicksilver_n in_o the_o long_a leg_n which_o be_v at_o the_o begin_n of_o the_o suction_n equivalent_a to_o the_o weight_n of_o the_o atmosphere_n there_o be_v a_o plain_a reason_n why_o the_o stagnant_a mercury_n in_o the_o short_a leg_n shall_v be_v raise_v some_o inch_n by_o suction_n as_o mercury_n stagnant_a in_o a_o open_a vessel_n will_v be_v raise_v by_o the_o weight_n of_o the_o atmosphere_n when_o the_o suction_n be_v make_v in_o the_o open_a air._n for_o in_o both_o case_n there_o be_v a_o pipe_n that_o reach_v to_o the_o stagnant_a mercury_n and_o a_o competent_a weight_n to_o impel_v it_o into_o that_o pipe_n when_o the_o air_n in_o the_o cavity_n of_o the_o pipe_n have_v its_o spring_n weaken_a by_o the_o dilatation_n that_o accompany_v suction_n the_o second_o point_n former_o propose_v which_o be_v that_o the_o weight_n of_o the_o air_n be_v sufficient_a to_o raise_v liquor_n in_o suction_n may_v not_o be_v ill_o prove_v by_o argument_n legitimate_o draw_v from_o the_o torricellian_a experiment_n itself_o and_o much_o more_o clear_o by_o the_o first_o and_o fifteen_o of_o our_o continue_a physicomechanical_a experiment_n and_o therefore_o i_o shall_v only_o here_o take_v notice_n of_o a_o phaenomenon_n that_o may_v be_v exhibit_v by_o the_o travel_a baroscope_n which_o though_o it_o be_v much_o inferior_a to_o the_o experiment_n new_o refer_v to_o may_v be_v of_o some_o use_n on_o the_o present_a occasion_n have_v then_o provide_v a_o instrument_n like_o the_o travel_a baroscope_n mention_v under_o the_o former_a head_n but_o who_o leg_n be_v not_o so_o unequal_o long_a and_o have_v in_o it_o make_v the_o torricellian_a experiment_n after_o the_o manner_n late_o describe_v we_o order_v the_o matter_n so_o that_o there_o remain_v in_o the_o short_a leg_n the_o length_n of_o divers_a inch_n unfilled_a with_o stagnant_a mercury_n then_o i_o cause_v one_o verse_v in_o what_o he_o be_v to_o do_v so_o to_o raise_v the_o quicksilver_n by_o suction_n to_o the_o open_a orifice_n of_o the_o short_a leg_n that_o the_o orifice_n be_v seasonable_o and_o dexterous_o close_v the_o mercury_n continue_v to_o fill_v that_o leg_n as_o long_o as_o we_o think_v fit_a and_o then_o have_v put_v a_o mark_n to_o the_o surface_n of_o the_o mercury_n in_o the_o long_a leg_n we_o unstop_v the_o orifice_n of_o the_o short_a whereupon_o the_o mercury_n that_o before_o fill_v it_o be_v depress_v till_o the_o same_o liquor_n in_o the_o long_a leg_n be_v raise_v five_o inch_n or_o more_o above_o the_o mark_n and_o continue_v at_o that_o height_n i_o say_v that_o the_o mercury_n that_o have_v be_v raise_v by_o suction_n be_v depress_v rather_o than_o that_o it_o subside_v because_o its_o own_o weight_n can_v not_o here_o make_v it_o fall_v since_o a_o mercurial_a cylinder_n of_o five_o inch_n be_v far_o from_o be_v able_a to_o raise_v so_o tall_a a_o cylinder_n of_o mercury_n as_o make_v a_o counterpoise_n in_o the_o long_a leg_n and_o therefore_o the_o depression_n we_o speaâ—â—_n of_o be_v to_o be_v refer_v to_o the_o gravitation_n of_o the_o atmospherical_a air_n upon_o the_o surface_n of_o the_o mercury_n in_o the_o short_a leg_n and_o i_o see_v no_o cause_n to_o doubt_v but_o that_o if_o we_o can_v have_v procure_v a_o instrument_n into_o who_o short_a leg_n a_o mercurial_a cylinder_n of_o many_o inch_n high_o can_v have_v be_v suck_v up_o it_o will_v by_o this_o contrivance_n have_v appear_v that_o the_o pressure_n of_o the_o atmosphere_n will_v easy_o impel_v up_o a_o far_o tall_a cylinder_n of_o mercury_n than_o it_o do_v in_o our_o recite_v expeâ—â—ment_n that_o this_o be_v no_o groundless_a conjecture_n may_v appear_v probable_a by_o the_o experiment_n you_o will_v present_o meet_v with_o for_o if_o the_o gravity_n of_o a_o incumbent_a pillar_n of_o the_o atmosphere_n be_v able_a to_o compress_v a_o parcel_n of_o include_v air_n as_o much_o as_o a_o mercurial_a cylinder_n equivalent_a in_o weight_n to_o between_o thirty_o and_o five_o and_o thirty_o foot_n of_o water_n be_v able_a to_o condense_a it_o it_o can_v well_o be_v deny_v that_o the_o same_o atmospherical_a cylinder_n may_v be_v able_a by_o its_o weight_n to_o raise_v and_o counterbalance_n eight_o or_o nine_o and_o twenty_o inch_n of_o quicksilver_n or_o a_o equivalent_a pillar_n of_o water_n in_o tube_n where_o the_o resistance_n of_o these_o two_o liquor_n to_o be_v raise_v and_o sustain_v by_o the_o air_n depend_v only_o upon_o their_o own_o unassisted_a gravity_n to_o confirm_v our_o doctrine_n of_o the_o gravitation_n of_o the_o atmosphere_n upon_o the_o surface_n
cavity_n be_v near_o about_o a_o inch_n in_o diameter_n such_o a_o determinate_a breadth_n be_v convenient_a though_o not_o necessary_a to_o one_o of_o the_o end_n of_o this_o pipe_n we_o cause_v to_o be_v firm_o tie_v on_o a_o piece_n of_o very_o fine_a bladder_n that_o have_v be_v ruffle_v and_o oil_v to_o make_v it_o both_o very_a limber_a and_o unapt_a to_o admit_v water_n and_o care_n be_v take_v that_o the_o piece_n of_o bladder_n tie_v on_o â—hould_v be_v large_a enough_o not_o only_o to_o cover_v the_o orifice_n but_o to_o hang_v loose_a somewhat_o beneath_o it_o this_o do_v we_o put_v the_o cover_a end_n of_o the_o pipe_n into_o a_o glass-body_n or_o cucurbit_n purposely_o make_v more_o than_o ordinary_o tall_a and_o the_o pipe_n be_v hold_v in_o such_o manner_n as_o that_o the_o end_n of_o it_o reach_v almost_o but_o not_o quite_o to_o the_o bottom_n of_o the_o glass-body_n we_o cause_v water_n to_o be_v pour_v both_o into_o this_o vessel_n and_o into_o the_o pipe_n at_o its_o upper_a orifice_n which_o be_v leave_v open_a that_o the_o water_n may_v ascend_v equal_o enough_o both_o without_o and_o within_o the_o pipe_n and_o when_o the_o glass-body_n be_v full_a of_o water_n and_o the_o same_o liquor_n be_v level_a to_o it_o or_o a_o little_a high_o within_o the_o pipe_n the_o bladder_n at_o the_o low_a orifice_n be_v keep_v plump_a because_o the_o water_n within_o the_o pipe_n do_v by_o its_o weight_n press_v as_o forcible_o downward_o as_o the_o external_a water_n in_o the_o large_a glass_n endeavour_v to_o press_v it_o inward_o and_o upward_o all_o this_o be_v do_v we_o cause_v part_n of_o the_o water_n in_o the_o pipe_n to_o be_v â—aken_v out_o of_o it_o which_o may_v be_v do_v either_o by_o put_v in_o and_o draw_v out_o a_o piece_n of_o sponge_n or_o of_o linen_n or_o more_o expeditious_o by_o suck_v up_o part_n of_o the_o water_n with_o a_o small_a pipe_n to_o be_v immediate_o after_o lay_v aside_o upon_o which_o removal_n of_o part_n of_o the_o internal_a water_n that_o which_o remain_v in_o the_o pipe_n be_v no_o long_o able_a by_o reason_n of_o its_o want_n of_o weight_n to_o press_v against_o the_o inside_n of_o the_o bladder_n near_o as_o forcible_o as_o it_o do_v before_o the_o external_a water_n who_o weight_n be_v not_o lessen_v press_v the_o side_n and_o bottom_n of_o the_o bladder_n whereto_o it_o be_v contiguous_a into_o the_o cavity_n of_o the_o pipe_n and_o thru_v it_o up_o therein_o so_o strong_o that_o the_o distend_v bladder_n make_v a_o kind_n of_o either_o thimble_n or_o hemisphere_n within_o the_o pipe_n so_o that_o here_o we_o have_v a_o protuberance_n like_o that_o abovementioned_a of_o the_o finger_n effect_v by_o pulsion_n not_o attractionâ—_n and_o in_o a_o case_n where_o there_o can_v be_v no_o just_a pretence_n of_o have_v â—â—course_n to_o nature_n abhorrance_n of_o a_o vacuum_n since_o the_o upper_a orifice_n of_o the_o pipe_n be_v leave_v wide_o open_a the_o air_n may_v pass_v in_o and_o out_o without_o resistance_n the_o like_a swell_a of_o the_o bladder_n in_o the_o pipe_n we_o can_v procure_v without_o take_v out_o any_o of_o the_o internal_a liquor_n by_o thrust_v the_o pipe_n deep_o into_o the_o water_n for_o then_o the_o external_a liquor_n have_v by_o reason_n of_o its_o increase_n of_o depth_n a_o great_a pressure_n on_o the_o outside_n of_o the_o bladder_n than_o the_o internal_a liquor_n have_v on_o the_o inside_n of_o it_o the_o bladder_n must_v yield_v to_o the_o strong_a pressure_n and_o consequent_o be_v impel_v up_o if_o the_o bladder_n lie_v loof_o at_o the_o low_a end_n of_o the_o pipe_n the_o upper_a end_n be_v careful_o close_v with_o one_o thumb_n that_o the_o upper_a air_n may_v not_o get_v out_o until_o the_o experimentor_n think_v fit_a and_o if_o the_o thus_o close_v pipe_n be_v thrust_v almost_o to_o the_o bottom_n of_o the_o water_n the_o bladder_n will_v not_o be_v protuberant_a inward_o as_o former_o because_o the_o include_v air_n by_o virtue_n of_o its_o spring_n resist_v from_o within_o the_o pressure_n of_o the_o external_a water_n against_o the_o outside_n of_o the_o bladder_n but_o if_o the_o thumb_n that_o stop_v the_o pipe_n upper_a orifice_n be_v remove_v the_o former_o compress_v air_n have_v liberty_n to_o expand_v itself_o and_o its_o elasticity_n be_v weaken_a thereby_o the_o external_a water_n will_v with_o suddenness_n and_o noise_n enough_o not_o to_o be_v unpleasant_a to_o the_o spectator_n drive_v up_o the_o bladder_n into_o the_o cavity_n of_o the_o pipe_n and_o keep_v it_o there_o very_o protuberant_a to_o obviate_v a_o objection_n that_o i_o foresee_v may_v be_v bring_v in_o by_o person_n not_o well_o verse_v in_o hydrostaticks_n i_o cause_v the_o pipe_n forementioned_a or_o such_o another_o to_o be_v so_o bend_v near_o the_o low_a end_n as_o that_o the_o orifice_n of_o it_o stand_v quite_o on_o one_o side_n and_o the_o part_n of_o the_o pipe_n make_v a_o angle_n as_o near_o to_o a_o right_a one_o as_o he_o that_o blow_v it_o can_v bring_v it_o to_o this_o low_a orifice_n be_v fit_v with_o a_o bladder_n and_o the_o pipe_n with_o its_o contain_v liquor_n be_v thrust_v under_o water_n after_o the_o former_a manner_n the_o lateral_a pressure_n of_o the_o water_n force_v the_o bladder_n into_o the_o short_a and_o horizontal_a leg_n and_o make_v it_o protuberate_v there_o as_o it_o have_v do_v when_o the_o pipe_n be_v straight_o last_o that_o the_o experiment_n may_v appear_v not_o to_o be_v confine_v to_o one_o liquor_n instead_o of_o water_n we_o put_v into_o the_o unbend_v pipe_n as_o much_o red_a wine_n whoâ—e_a colour_n will_v make_v it_o conspicuous_a as_o be_v requisite_a to_o keep_v the_o bladder_n somewhat_o swell_v outward_o when_o it_o be_v somewhat_o near_o the_o bottom_n of_o the_o water_n and_o than_o it_o be_v manifest_a that_o according_a as_o we_o have_v foresee_v the_o superficies_n of_o the_o red_a liquor_n in_o the_o pipe_n be_v a_o good_a deal_n high_o than_o that_o of_o the_o external_a water_n and_o if_o the_o depth_n of_o both_o liquor_n be_v proportionable_o lessen_v the_o difference_n of_o height_n betwixt_o the_o two_o surface_n will_v indeed_o as_o it_o ought_v to_o happen_v decrease_v but_o still_o the_o surface_n of_o the_o wine_n will_v be_v the_o high_a of_o the_o two_o because_o be_v light_a in_o specie_fw-la than_o the_o common_a water_n the_o aequilibrium_fw-la between_o the_o pressure_n of_o the_o two_o liquor_n upon_o the_o bladder_n will_v not_o be_v maintain_v unless_o a_o great_a height_n of_o wine_n compensated_a its_o defect_n of_o specific_a gravity_n and_o if_o the_o pipe_n be_v thrust_v deep_a into_o the_o water_n than_o the_o bladder_n will_v be_v make_v protuberant_a inward_o as_o when_o the_o pipe_n have_v water_n in_o it_o by_o which_o it_o appear_v that_o these_o phaenomena_n without_o recourse_n to_o attraction_n may_v be_v explicate_v bare_o by_o the_o law_n of_o the_o aequilibrium_fw-la of_o liquor_n finis_fw-la new_a experiment_n about_o the_o preservation_n of_o body_n in_o vacuo_fw-la boyliano_n by_o the_o honourable_a robert_n boyle_n fellow_n of_o the_o royal_a society_n london_n print_v by_o william_n godbid_v and_o be_v to_o be_v sell_v by_o moses_n pitt_n at_o the_o angel_n over_o against_o the_o little_a north_n door_n of_o st._n paul_n church_n 1674._o preface_n my_o willingness_n to_o make_v the_o bulk_n of_o the_o paper_n about_o the_o hide_a quality_n of_o the_o air_n less_o inconsiderable_a by_o thing_n that_o be_v of_o affinity_n to_o the_o subject_a induce_v i_o to_o tumble_v over_o some_o of_o my_o adversaria_fw-la i_o meet_v among_o they_o with_o divers_a loose_a note_n or_o short_a memorial_n of_o some_o experiment_n i_o make_v several_a year_n ago_o and_o some_o of_o a_o fresh_a date_n about_o the_o preservation_n of_o body_n by_o exclude_v the_o air_n wherefore_o i_o be_v easy_o persuade_v to_o subjoin_v these_o to_o the_o additional_a experiment_n last_v recite_v for_o it_o seem_v not_o yet_o clear_a by_o what_o manifest_a quality_n the_o exclusion_n of_o the_o air_n shall_v so_o much_o contribute_v to_o keep_v from_o putrefaction_n variety_n of_o body_n that_o be_v usual_o find_v very_o much_o dispose_v to_o it_o and_o therefore_o till_o the_o cause_n of_o this_o preservation_n be_v further_o pâ—â—â—â—â—ated_v it_o may_v not_o be_v altogether_o impertinent_a to_o mention_v some_o experiment_n relate_v to_o it_o and_o though_o these_o be_v only_o such_o as_o come_v now_o to_o hand_n and_o be_v most_o of_o they_o set_v down_o rather_o as_o note_n than_o relation_n yet_o be_v faithful_o register_v and_o most_o of_o they_o have_v be_v make_v in_o vacuo_fw-la boyliano_n as_o they_o call_v it_o they_o will_v problable_o be_v new_a and_o so_o perhaps_o not_o altogether_o useless_a to_o naturalist_n who_o may_v