it_o be_v bring_v to_o by_o suction_n to_o proceed_v now_o to_o some_o experiment_n that_o i_o make_v in_o favour_n of_o this_o hypothesis_n i_o shall_v begin_v with_o that_o which_o follow_v we_o take_v a_o glass-pipe_n bend_a like_o a_o syphon_n but_o so_o that_o the_o short_a leg_n be_v as_o parallel_v to_o the_o long_a as_o we_o can_v get_v it_o make_v and_o be_v hermetical_o seal_v at_o the_o end_n into_o this_o syphon_n we_o make_v a_o shift_n for_o it_o be_v not_o very_o easy_a to_o convey_v water_n so_o that_o the_o crooked_a part_n be_v hold_v downward_o the_o liquor_n reach_v to_o the_o same_o height_n in_o both_o the_o leg_n and_o yet_o there_o be_v about_o a_o inch_n and_o half_a of_o uncomprest_a air_n shut_v up_o in_o the_o short_a leg_n this_o little_a instrument_n for_o it_o be_v but_o about_o fifteen_o inch_n long_o be_v thus_o prepare_v it_o be_v plain_a that_o according_a to_o the_o hypothesis_n i_o dissent_v from_o there_o be_v no_o reason_n why_o the_o water_n shall_v ascend_v upon_o suction_n for_o though_o we_o shall_v admit_v that_o the_o external_a air_n be_v considerable_o compress_v or_o receive_v a_o notable_a impulse_n when_o the_o sucker_n chest_n be_v enlarge_v yet_o in_o our_o case_n that_o compression_n or_o protrusion_n will_v not_o reach_v the_o surface_n of_o the_o water_n in_o the_o short_a leg_n because_o it_o be_v there_o fence_v from_o the_o action_n of_o the_o external_a air_n by_o the_o side_n of_o the_o glass_n and_o the_o hermetical_a seal_n at_o the_o top_n and_o yet_o if_o one_o suck_v strong_o at_o the_o open_a orifice_n in_o the_o long_a leg_n the_o water_n in_o the_o short_a will_v be_v depress_v and_o that_o in_o the_o long_o ascend_v at_o one_o suck_v about_o a_o inch_n and_o half_a of_o which_o the_o reason_n be_v clear_a in_o our_o hypothesis_n for_o the_o spring_n of_o the_o include_v air_n together_o with_o the_o weight_n of_o the_o water_n in_o the_o short_a leg_n and_o the_o pressure_n of_o the_o 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spring_n debilitate_a by_o the_o precedent_a expansion_n be_v not_o able_a to_o hinder_v the_o external_a air_n from_o violent_o repel_v the_o elevate_a water_n till_o the_o include_v air_n be_v thrust_v into_o the_o space_n it_o possess_v before_o the_o suction_n in_o which_o space_n it_o have_v density_n and_o elasticity_n enough_o to_o resist_v the_o pressure_n that_o the_o external_a air_n exercise_v against_o it_o through_o the_o interpose_a water_n but_o our_o hypothesis_n about_o the_o cause_n of_o suction_n will_v not_o need_v to_o be_v solicitous_o prove_v to_o you_o by_o other_o way_n if_o you_o have_v see_v what_o i_o have_v sometime_o be_v able_a to_o do_v in_o our_o pneumatick_a engin._n for_o there_o we_o find_v by_o trial_n purposely_o devise_v and_o careful_o make_v that_o a_o good_a syringe_n be_v so_o convey_v into_o our_o receiver_n that_o the_o open_a orifice_n of_o the_o pipe_n or_o low_a part_n be_v keep_v under_o water_n if_o the_o engine_n be_v exhaust_v though_o the_o handle_n of_o the_o syringe_n be_v draw_v up_o the_o water_n will_v not_o follow_v it_o which_o yet_o it_o will_v do_v if_o the_o external_a air_n be_v let_v in_o again_o the_o reason_n of_o which_o be_v plain_a in_o our_o hypothesis_n for_o the_o air_n that_o shall_v have_v press_v upon_o the_o surface_n of_o the_o stagnant_a water_n have_v be_v pump_v out_o there_o be_v nothing_o to_o impel_v up_o the_o water_n into_o the_o desert_a cavity_n of_o the_o syringe_n as_o there_o be_v when_o the_o receiver_n be_v fill_v with_o air._n chap._n iu._n but_o because_o such_o a_o conveniency_n as_o our_o engine_n and_o the_o apparatus_n necessary_a for_o such_o trial_n be_v not_o easy_o procurable_a i_o shall_v endeavour_v to_o confirm_v our_o hypothesis_n about_o suction_n by_o subjoin_v some_o experiment_n that_o may_v be_v try_v without_o the_o help_n of_o that_o engine_n for_o the_o make_v out_o these_o three_o thing_n i._o that_o a_o liquor_n may_v be_v raise_v by_o 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which_o suspicion_n i_o shall_v brief_o make_v probable_a by_o note_v 1._o that_o i_o have_v find_v by_o trial_n purposely_o make_v that_o wood_n afford_v a_o acid_n though_o not_o mere_o acid_a liquor_n capable_a of_o corrode_a lead_n 2._o that_o it_o be_v know_v that_o lead_v turn_v into_o ceruse_n increase_v notable_o in_o weight_n some_o say_v for_o i_o have_v not_o opportunity_n to_o try_v it_o above_o six_o or_o seven_o in_o the_o hundred_o 3._o that_o from_o the_o sheet_n of_o lead_n that_o have_v very_o long_o cover_v church_n and_o the_o like_a building_n there_o be_v often_o obtain_v by_o scrape_v a_o good_a proportion_n of_o white_a lead_n which_o i_o have_v know_v much_o prefer_v by_o a_o eminent_a artist_n to_o common_a ceruse_n when_o a_o white_a pigment_n be_v to_o be_v employ_v and_o by_o the_o way_n man_n find_v this_o ceruse_n not_o on_o that_o side_n of_o the_o lead_n that_o be_v expose_v to_o the_o outward_a air_n where_o i_o scarce_o ever_o observe_v any_o but_o on_o the_o inside_n that_o regard_v the_o timber_n and_o other_o wood_n work_v may_v disabuse_v those_o that_o fancy_v this_o ceruse_n to_o be_v a_o part_n of_o the_o lead_v calcine_v by_o the_o beam_n of_o the_o sun_n that_o strike_v immediate_o upon_o the_o metal_n and_o if_o to_o this_o it_o be_v add_v that_o by_o distillation_n and_o otherwise_o i_o have_v find_v cause_n to_o suspect_v that_o alabaster_n and_o white_a marble_n may_v emit_v spirituous_a part_n that_o will_v invade_v lead_n it_o may_v be_v doubt_v whether_o what_o galen_n relate_v of_o the_o great_a intumescence_n of_o leaden_a band_n or_o fastening_n wherewith_o the_o foot_n of_o statue_n be_v fasten_v to_o their_o pedestal_n be_v a_o sure_a argument_n of_o the_o real_a growth_n of_o that_o metal_n in_o the_o air._n but_o i_o begin_v to_o digress_v and_o seem_o to_o the_o prejudice_n of_o the_o particular_a scope_n of_o this_o paper_n but_o yet_o not_o to_o that_o of_o one_o of_o the_o main_a scope_n of_o all_o my_o physical_a write_n the_o disquisition_n and_o advancement_n of_o truth_n observation_n about_o the_o growth_n of_o iron_n i_o do_v not_o find_v in_o one_o of_o our_o chief_a mine_n of_o iron_n that_o there_o be_v any_o notice_n take_v of_o the_o growth_n of_o that_o metal_n but_o in_o another_o place_n or_o two_o some_o that_o deal_v in_o iron-ore_n inform_v i_o that_o they_o believe_v it_o grow_v and_o may_v be_v regenerate_v and_o upon_o that_o account_n one_o of_o they_o set_v up_o a_o work_n contiguous_a to_o some_o land_n of_o i_o to_o melt_v over_o again_o the_o remainder_n of_o ore_n that_o have_v be_v already_o wrought_v at_o a_o great_a distance_n from_o that_o place_n and_o have_v for_o some_o age_n lie_v in_o heap_n expose_v to_o the_o free_a air_n but_o with_o what_o success_n this_o chargeable_a attempt_n have_v be_v make_v i_o be_o not_o yet_o inform_v but_o of_o the_o growth_n of_o iron_n in_o the_o island_n of_o ilva_n or_o elva_n in_o the_o tyrrhene_a sea_n not_o far_o from_o the_o coast_n of_o tuscany_n not_o only_o ancient_a author_n as_o pliny_n and_o strabo_n take_v special_a notice_n but_o modern_a mineralist_n of_o very_a good_a credit_n as_o falopius_n and_o caesalpinus_n particular_o attest_v the_o same_o thing_n of_o who_o the_o latter_a speak_v thus_o 6._o vena_fw-la ferri_fw-la copiosissima_fw-la est_fw-la in_o italia_n ob_fw-la eam_fw-la nobilitata_fw-la ilva_n tyrreni_fw-la maris_fw-la insula_fw-la incredibili_fw-la copiâ_fw-la etiam_fw-la nostris_fw-la temporibus_fw-la eam_fw-la gignens_fw-la nam_fw-la terra_fw-la quae_fw-la eruitur_fw-la dum_fw-la vena_fw-la effoditur_fw-la tota_fw-la procedente_fw-la temporè_fw-la in_o venam_fw-la convertitur_fw-la and_o the_o experience_a agricola_n give_v we_o the_o like_a account_n of_o a_o place_n in_o his_o country_n germany_n 15._o in_o lygiis_n say_v he_o ad_fw-la sagam_fw-la oppidum_fw-la in_o pratis_fw-la eruitur_fw-la ferrum_fw-la fossis_fw-la ad_fw-la altitudinem_fw-la bipedaneam_fw-la act_n id_fw-la decennio_fw-la renatum_fw-la denuò_fw-la foditur_fw-la non_fw-la aliter_fw-la ac_fw-la ilvaeferrum_fw-la the_o learned_a johan._n gerhardus_fw-la out_o of_o a_o book_n which_o he_o call_v conciones_fw-la metallica_fw-la i_o suppose_v he_o mean_v the_o high-dutch_a sermon_n of_o mathesius_n who_o language_n i_o understand_v not_o have_v this_o notable_a passage_n to_o our_o present_a purpose_n 18._o relatum_fw-la mihi_fw-la est_fw-la a_o metallico_fw-la fossore_fw-la ad_fw-la ferrarias_fw-la quae_fw-la non_fw-la longè_fw-la ambergâ_fw-la distant_a terram_fw-la inanem_fw-la cum_fw-la ferri_fw-la minera_n erutam_fw-la quam_fw-la vocant_fw-la den_n gummer_n mixtam_fw-la cum_fw-la recrementis_fw-la ferri_fw-la quae_fw-la appellater_n der_fw-mi sinder_n congestam_fw-la in_o cumulos_fw-la instar_fw-la magni_fw-la cujusdam_fw-la valli_fw-la solibus_fw-la pluviisque_fw-la exponi_fw-la &_o decimo_fw-la quinto_fw-la anno_fw-la denuò_fw-la excoqui_fw-la eliquarique_fw-la ferrum_fw-la tantae_fw-la tenacitatis_fw-la ut_fw-la sola_fw-la laminae_fw-la inde_fw-la procudantur_fw-la observation_n about_o the_o growth_n of_o silver_n of_o the_o growth_n as_o be_v suppose_v of_o silver_n in_o the_o form_n of_o tree_n or_o grass_n or_o other_o vegetable_n i_o have_v meet_v with_o some_o instance_n among_o mineralist_n and_o i_o have_v elsewhere_o mention_v that_o a_o acquaintance_n of_o i_o show_v i_o a_o stone_n wherein_o he_o affirm_v the_o silver_n i_o see_v in_o it_o to_o have_v increase_v since_o he_o have_v it_o but_o for_o certain_a reason_n none_o of_o these_o relation_n seem_v to_o i_o very_o proper_a to_o my_o present_a purpose_n in_o order_n to_o which_o i_o shall_v therefore_o set_v down_o only_o one_o instance_n which_o i_o late_o meet_v with_o in_o a_o french_a collection_n of_o voyage_n publish_v by_o a_o person_n of_o great_a curiosity_n and_o industry_n from_o who_o civility_n i_o receive_v the_o book_n for_o there_o in_o a_o account_n give_v by_o a_o gentleman_n of_o his_o country_n of_o a_o late_a voyage_n he_o make_v to_o peru_n wherein_o he_o visit_v the_o famous_a silver-mine_n of_o potosi_n i_o find_v a_o passage_n which_o speak_v to_o this_o sense_n le_fw-fr meilleur_fw-fr argent_fw-fr etc._n etc._n i.e._n 15._o the_o best_a silver_n in_o all_o the_o indies_n and_o the_o pure_a be_v that_o of_o the_o mine_n of_o potosi_n the_o chief_a have_v be_v find_v in_o the_o mountain_n of_o aranzasse_n and_o some_o line_n be_v interpose_v it_o be_v add_v that_o they_o draw_v this_o metal_n even_o from_o the_o mineral_n earth_n that_o be_v in_o time_n past_o throw_v aside_o when_o the_o ground_n be_v open_a and_o the_o grove_n and_o shaft_n that_o be_v in_o the_o mountain_n be_v make_v it_o have_v be_v observe_v that_o in_o these_o recrement_n metal_n have_v be_v form_v afresh_o since_o those_o time_n which_o sufficient_o show_v the_o propensity_n of_o the_o soil_n to_o the_o production_n of_o this_o metal_n yet_o it_o be_v true_a that_o these_o impregnated_a earth_n yield_v not_o so_o much_o as_o the_o ordinary_a ore_n which_o be_v find_v in_o vein_n betwixt_o the_o rock_n observation_n about_o the_o growth_n of_o gold_n as_o for_o the_o growth_n of_o gold_n the_o inquiry_n i_o have_v yet_o make_v among_o traveller_n give_v i_o no_o great_a satisfaction_n about_o it_o and_o though_o i_o have_v speak_v with_o several_a that_o have_v be_v at_o the_o coast_n of_o guiny_n and_o in_o congo_n and_o other_o part_n of_o afric_n where_o much_o gold_n be_v to_o be_v have_v yet_o i_o can_v not_o learn_v by_o they_o that_o they_o or_o any_o acquaintance_n of_o they_o among_o the_o native_n have_v see_v any_o mine_n or_o vein_n of_o gold_n which_o yet_o divers_a author_n affirm_v to_o be_v find_v in_o more_o than_o one_o kingdom_n in_o ethiopia_n and_o in_o some_o other_o african_a country_n and_o have_v afterward_o meet_v with_o a_o learned_a traveller_n that_o have_v careful_o visit_v the_o famous_a gold-mine_a of_o cremnitz_n in_o hungary_n he_o answer_v i_o that_o he_o do_v not_o learn_v from_o the_o miner_n whether_o or_o no_o the_o oar_n of_o gold_n etc._n etc._n do_v real_o grow_v or_o be_v regenerate_v in_o tract_n of_o time_n by_o be_v expose_v to_o the_o air_n or_o upon_o any_o other_o account_n but_o the_o grand_a overâ—eer_n who_o be_v lord_n of_o part_n of_o the_o soil_n tell_v he_o that_o he_o think_v the_o whole_a mountain_n to_o abound_v with_o particle_n of_o gold_n and_o therefore_o be_v wont_a when_o the_o digger_n have_v almost_o exhaust_v the_o vein_n to_o cast_v in_o store_n of_o earth_n and_o dig_v up_o other_o neighbour_a place_n which_o be_v keep_v there_o as_o in_o a_o conservatory_n will_v afterward_o afford_v gold_n as_o the_o mine_n do_v before_o and_o if_o a_o late_a german_a professor_n of_o physic_n do_v not_o misinform_v we_o his_o country_n afford_v we_o a_o eminent_a instance_n of_o the_o growth_n or_o regeneration_n of_o gold_n nam_n corbachi_n 19_o say_v he_o quae_fw-la est_fw-la civitas_n westphaâ—iae_fw-la sub_fw-la ditione_n comitis_fw-la de_fw-fr
a_o deep_a redness_n into_o a_o somewhat_o broad_a and_o flat_a metalline_a vessel_n and_o set_v it_o by_o upon_o a_o shelf_n in_o a_o study_n that_o be_v seldom_o frequent_v and_o at_o the_o same_o time_n that_o we_o may_v observe_v what_o increment_n will_v be_v gain_v by_o expose_v to_o the_o air_n a_o large_a superficies_n of_o the_o powder_n in_o reference_n to_o the_o bulk_n we_o put_v into_o another_o metalline_a vessel_n small_a than_o the_o other_o only_o two_o ounce_n of_o colcothar_n and_o set_v it_o on_o the_o same_o shelf_n with_o the_o other_o this_o be_v do_v at_o the_o vernal_a equinox_n the_o twelve_o of_o march_n on_o the_o twenty_o five_o of_o june_n we_o weigh_v these_o powder_n again_o and_o find_v the_o eight_o ounce_n to_o have_v gain_v one_o dram_n and_o seventeen_o grain_n but_o the_o two_o ounce_n have_v acquire_v the_o same_o weight_n within_o a_o grain_n then_o put_v they_o back_o into_o their_o former_a vessel_n we_o leave_v they_o in_o the_o same_o place_n 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which_o be_v problemata_fw-la de_fw-la vacuo_fw-la that_o i_o be_v particular_o concern_v in_o it_o upon_o which_o i_o desire_v the_o possessor_n of_o the_o book_n who_o ready_o consent_v to_o leave_v i_o to_o examine_v that_o dialogue_n on_o which_o condition_n i_o will_v leave_v he_o to_o deal_v with_o all_o the_o rest_n of_o the_o book_n nor_o do_v i_o look_v upon_o the_o reflection_n i_o mean_v to_o make_v as_o repugnant_a to_o the_o resolution_n i_o have_v take_v against_o write_v book_n of_o controversy_n since_o the_o explication_n mr._n hobbes_n give_v of_o his_o problem_n seem_v to_o contain_v but_o some_o variation_n of_o or_o a_o appendix_n to_o his_o tract_n de_fw-fr natura_fw-la aeris_fw-la which_o be_v one_o of_o the_o two_o first_o piece_n that_o be_v publish_v against_o what_o i_o have_v write_v be_v one_o of_o those_o that_o i_o have_v express_o reserve_v myself_o the_o liberty_n to_o answer_v but_o the_o animadversion_n i_o first_o make_v upon_o mr._n hobbes_n 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as_o he_o maintain_v in_o his_o append._n ad_fw-la leviath_n cap._n 3_o can_v have_v that_o access_n even_o to_o the_o minute_n part_n of_o the_o mundane_a matter_n that_o seem_v requisite_a to_o the_o attribute_n and_o operation_n that_o belong_v to_o the_o deity_n in_o reference_n to_o the_o world_n but_o i_o leave_v divine_n to_o consider_v what_o influence_n the_o conjunction_n of_o mr._n hobbes_n two_o opinion_n the_o corporeity_n of_o the_o deity_n and_o the_o perfect_a plenitude_n of_o the_o world_n may_v have_v on_o theology_n and_o perhaps_o i_o shall_v not_o in_o a_o physical_a discourse_n have_v take_v any_o notice_n of_o the_o propose_a difficulty_n but_o that_o to_o prevent_v a_o imputation_n on_o the_o study_n of_o nature_n work_n as_o if_o it_o teach_v we_o rather_o to_o degrade_v than_o admire_v their_o author_n it_o seem_v not_o amiss_o to_o hint_n in_o transitu_fw-la that_o mr._n hobbes_n gross_a conception_n of_o a_o corporeal_a god_n be_v not_o only_o unwarrant_v 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no_o wrong_n to_o transcribe_v his_o whole_a dialogue_n bate_v some_o few_o transition_n and_o other_o clause_n not_o needful_a to_o be_v transfer_v hither_o next_o i_o be_v not_o willing_a to_o imitate_v mr._n hobbes_n etc._n who_o recite_v in_o the_o dialogue_n we_o be_v consider_v the_o same_o experiment_n that_o he_o have_v already_o mention_v in_o his_o tract_n de_fw-fr natura_fw-la aeris_fw-la without_o add_v as_o his_o own_o that_o i_o remember_v any_o new_a one_o to_o they_o but_o my_o unwillingness_n to_o tire_v the_o reader_n with_o bare_a repetition_n of_o the_o argument_n i_o employ_v in_o my_o examen_fw-la of_o that_o tract_n invite_v i_o to_o endeavour_v to_o make_v he_o some_o amends_o for_o the_o exercise_n of_o his_o patience_n by_o insert_v as_o occasion_n be_v offer_v five_o or_o six_o new_a experiment_n that_o will_v not_o perhaps_o be_v so_o easy_o make_v by_o every_o reader_n that_o will_v be_v able_a now_o that_o i_o have_v perspicuous_o propose_v they_o to_o 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dissent_v from_o the_o experiment_n be_v this_o by_o a_o way_n elsewhere_o deliver_v the_o long_a neck_n of_o a_o glass-bubble_n be_v seal_v up_o and_o almost_o all_o the_o air_n have_v be_v by_o heat_n drive_v out_o of_o the_o whole_a cavity_n of_o the_o bubble_n or_o vial_n and_o then_o the_o glass_n be_v lay_v aside_o for_o some_o hour_n or_o as_o long_o as_o we_o please_v afterward_o the_o seal_a apex_n of_o the_o neck_n be_v break_v off_o under_o water_n i_o demand_v now_o of_o a_o peripatetic_n whether_o the_o liquor_n ought_v to_o be_v suck_v or_o draw_v into_o the_o cavity_n of_o the_o glass_n and_o why_o if_o he_o say_v as_o questionless_a he_o will_v that_o the_o water_n will_v be_v attract_v to_o hinder_v a_o vacuum_n he_o will_v thereby_o acknowledge_v that_o till_o the_o glass_n be_v unstop_v under_o water_n there_o be_v some_o empty_a space_n in_o it_o for_o till_o the_o seal_a end_n be_v break_v off_o the_o water_n can_v not_o get_v in_o and_o therefore_o if_o the_o fuga_fw-la vacui_fw-la have_v any_o thing_n to_o do_v in_o the_o ascension_n the_o liquor_n must_v rise_v not_o to_o prevent_v a_o empty_a space_n but_o to_o fill_v one_o that_o be_v make_v before_o nor_o do_v our_o experiment_n much_o more_o favour_v the_o other_o philosopher_n i_o dissent_v from_o for_o in_o it_o there_o be_v no_o dilatation_n make_v of_o the_o side_n of_o the_o glass_n as_o in_o ordinary_a suction_n there_o be_v make_v of_o the_o thorax_n but_o only_o there_o be_v so_o much_o air_n drive_v out_o of_o the_o cavity_n of_o the_o bubble_n into_o who_o room_n since_o neither_o common_a air_n nor_o water_n be_v permit_v to_o succeed_v it_o appear_v not_o how_o the_o propagate_v and_o return_v impulse_n or_o the_o circle_n of_o motion_n as_o to_o common_a air_n and_o water_n do_v here_o take_v place_n and_o then_o i_o demand_v what_o become_v of_o the_o air_n that_o have_v be_v by_o heat_n drive_v out_o and_o be_v by_o the_o hermetical_a seal_n keep_v out_o of_o the_o cavity_n of_o the_o bubble_n if_o it_o be_v say_v that_o it_o diffuse_v itself_o into_o the_o ambient_fw-la air_n and_o mingle_v with_o it_o that_o will_v be_v grant_v which_o i_o contend_v for_o that_o so_o little_a air_n as_o be_v usual_o displace_v in_o suction_n can_v make_v any_o considerable_a compression_n of_o the_o free_a ambient_fw-la air_n for_o what_o can_v one_o cubic_n inch_n of_o air_n which_o be_v sometime_o more_o than_o one_o of_o our_o glass_n contain_v do_v to_o the_o condensation_n so_o much_o as_o of_o all_o the_o air_n in_o the_o chamber_n when_o the_o expel_v corpuscle_n be_v even_o distribute_v among_o those_o of_o the_o ambient_fw-la and_o how_o come_v this_o inconsiderable_a condensation_n to_o have_v so_o great_a a_o effect_n in_o every_o part_n of_o the_o room_n as_o to_o be_v able_a
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