Selected quad for the lemma: water_n

Word A	Word B	Word C	Word D	Occurrence	Frequency Band	MI	MI Band	Prominent
water_n	drachm_n	half_a	ounce_n	6,250	5	10.0449	5	true

Text snippets containing the quad

ID	Title	Author	Corrected Date of Publication (TCP Date of Publication)	STC	Words	Pages
A29057	Tracts written by the Honourable Robert Boyle containing New experiments, touching the relation betwixt flame and air, and about explosions, an hydrostatical discourse occasion'd by some objections of Dr. Henry More against some explications of new experiments made by the author of these tracts : to which is annex't, An hydrostatical letter, dilucidating an experiment about a way of weighing water in water, new experiments, of the positive or relative levity of bodies under water, of the air's spring on bodies under water, about the differing pressure of heavy solids and fluids.; Selections. 1672	Boyle, Robert, 1627-1691.	1672 (1672)	Wing B4060; ESTC R10383	110,756	442

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from_o blow_v and_o find_v that_o though_o the_o glass-pipe_n be_v still_o leave_v open_a yet_o within_o about_o one_o minute_n the_o flame_n be_v quite_o extinguish_v exper._n v._o of_o the_o conservation_n of_o flame_n under_o water_n the_o better_a to_o examine_v the_o necessity_n of_o air_n to_o flame_n i_o think_v fit_a not_o only_o to_o make_v the_o several_a trial_n mention_v in_o this_o paper_n whether_o it_o will_v live_v in_o a_o medium_n much_o thin_a than_o air_n but_o also_o to_o try_v whether_o it_o will_v be_v able_a to_o continue_v in_o a_o medium_n many_o hundred_o time_n thick_a than_o air_n namely_o in_o water_n i_o doubt_v not_o but_o many_o will_v think_v this_o both_o a_o easy_a and_o a_o needless_a inquiry_n since_o eminent_a writer_n both_o ancient_a and_o modern_a tell_v we_o without_o scruple_n that_o naptha_n and_o camphire_n will_v burn_v under_o water_n but_o i_o have_v never_o the_o good_a fortune_n to_o be_v able_a to_o make_v they_o do_v so_o and_o may_v be_v allow_v to_o doubt_v whether_o these_o writer_n notwithstanding_o their_o confidence_n deliver_v what_o they_o affirm_v upon_o experience_n not_o bare_a tradition_n and_o though_o in_o celebrate_a author_n i_o have_v meet_v with_o divers_a receipt_n of_o make_v composition_n that_o will_v not_o only_o burn_v under_o water_n but_o be_v kindle_v by_o it_o yet_o i_o have_v find_v those_o i_o have_v occasion_n to_o consider_v to_o be_v so_o lame_o or_o so_o dark_o and_o some_o of_o they_o i_o fear_v so_o false_o set_v down_o that_o by_o the_o follow_a composition_n how_o slight_a soever_o it_o may_v seem_v i_o have_v be_v able_a to_o do_v more_o than_o with_o thing_n they_o speak_v very_o promise_o of_o since_o though_o it_o will_v not_o be_v kindle_v by_o water_n yet_o be_v once_o kindle_v it_o will_v continue_v to_o burn_v under_o water_n and_o that_o there_o may_v be_v no_o suspicion_n that_o whilst_o the_o mixture_n continue_v under_o water_n it_o do_v only_o as_o it_o be_v 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less_o than_o half_a a_o drachm_n of_o choice_n salt-petre_a near_o a_o drachm_n and_o half_a which_o ingredient_n be_v well_o reduce_v to_o powder_n and_o diligent_o mingle_v without_o any_o liquor_n either_o a_o large_a goose-quill_n who_o feathery_a part_n be_v cut_v off_o or_o a_o piece_n of_o a_o tobacco-pipe_n of_o two_o or_o three_o inch_n long_o and_o well_o stop_v at_o one_o end_n have_v its_o cavity_n well_o fill_v with_o this_o mixture_n instead_o of_o which_o beat_v gunpowder_n alone_o may_v serve_v if_o it_o do_v not_o operate_v too_o violent_o or_o waste_v too_o soon_o for_o the_o kindle_v whereof_o the_o open_a orifice_n of_o the_o quill_n or_o pipe_n be_v careful_o stop_v with_o a_o convenient_a quantity_n of_o the_o same_o mixture_n make_v up_o with_o as_o little_a chemical_a oil_n or_o water_n as_o will_v bring_v it_o to_o a_o fit_a consistence_n this_o wildfire_n be_v kindle_v in_o the_o air_n and_o the_o quill_n or_o pipe_n together_o with_o a_o weight_n to_o which_o it_o be_v tie_v to_o keep_v it_o from_o ascend_v be_v slow_o let_v down_o to_o a_o convenient_a depth_n under_o water_n where_o it_o will_v continue_v to_o burn_v as_o appear_v by_o the_o great_a smoke_n it_o emit_v and_o other_o sign_n as_o it_o do_v in_o the_o air_n because_o the_o shape_n of_o the_o quill_n or_o pipe_n keep_v the_o dry_a mixture_n from_o be_v accessible_a to_o the_o water_n that_o will_v have_v disorder_v and_o spoil_v it_o at_o any_o other_o part_n than_o the_o upper_a orifice_n and_o there_o the_o stream_n of_o kindle_a matter_n issue_v out_o with_o such_o violence_n as_o do_v incessant_o beat_v off_o the_o neighbour_a water_n and_o keep_v it_o from_o enter_v into_o the_o cavity_n that_o contain_v the_o mixture_n which_o therefore_o will_v continue_v burn_v till_o it_o be_v consume_v it_o be_v probable_a that_o most_o man_n will_v conclude_v from_o this_o experiment_n that_o air_n be_v not_o so_o absolute_o necessary_a to_o the_o duration_n of_o flame_n as_o some_o other_o of_o our_o trial_n seem_v to_o argue_v and_o that_o there_o ought_v to_o be_v a_o difference_n make_v between_o ordinary_a flame_n and_o those_o that_o burn_v with_o a_o extraordinary_a vehemency_n but_o my_o design_n be_v as_o i_o long_o since_o intimate_v rather_o to_o relate_v trial_n than_o debate_v hypothesis_n i_o shall_v only_o add_v that_o it_o may_v be_v pretend_v on_o the_o behalf_n of_o the_o opinion_n that_o this_o experiment_n seem_v to_o disprove_v that_o not_o to_o mention_v the_o air_n that_o may_v lurk_v in_o the_o pore_n of_o the_o water_n or_o that_o which_o may_v be_v intercept_v between_o the_o little_a grain_n of_o powder_n whereof_o the_o mixture_n consist_v the_o salt-petre_a itself_o may_v be_v suppose_v to_o be_v of_o such_o a_o

can_v not_o by_o they_o be_v ascribe_v as_o before_o to_o the_o recess_n of_o the_o air_n endow_v as_o they_o suppose_v with_o positive_a levity_n but_o to_o the_o weight_n of_o the_o admit_a water_n which_o when_o thus_o weigh_v will_v be_v environ_v with_o water_n of_o the_o same_o kind_n and_o to_o show_v that_o this_o admit_a water_n may_v have_v a_o considerable_a weight_n notwithstanding_o the_o place_n it_o be_v in_o i_o employ_v a_o pair_n of_o scale_n after_o the_o manner_n that_o be_v recite_v in_o the_o experiment_n by_o what_o i_o have_v be_v discourse_v you_o may_v conceive_v that_o however_o my_o expression_n disagree_v with_o those_o of_o my_o adversary_n the_o distance_n of_o our_o opinion_n be_v not_o so_o wide_a as_o at_o first_o sight_n it_o seem_v for_o he_o allow_v as_o well_o as_o i_o that_o the_o superior_a part_n of_o water_n do_v by_o their_o gravity_n for_o i_o know_v not_o on_o what_o other_o score_n they_o can_v do_v it_o press_v the_o inferior_a but_o this_o he_o will_v not_o have_v amount_v to_o this_o expression_n that_o water_n weigh_v or_o gravitates_fw-la in_o water_n whereas_o i_o scruple_n not_o to_o clothe_v my_o sense_n in_o that_o expression_n because_o i_o think_v water_n do_v always_o exercise_v its_o gravity_n though_o it_o do_v not_o always_o pregravitate_fw-la or_o actual_o descend_v be_v often_o as_o i_o note_v above_o either_o impel_v up_o by_o a_o opposite_a and_o prepollent_a weight_n or_o hinder_v from_o descend_v by_o the_o resistance_n of_o other_o water_n that_o counterpoise_n it_o so_o that_o if_o he_o think_v that_o in_o my_o experiment_n i_o mean_v to_o propose_v a_o method_n of_o make_v water_n descend_v in_o water_n and_o weigh_v it_o in_o that_o liquor_n with_o a_o pair_n of_o scale_n just_a as_o if_o i_o will_v weigh_v in_o the_o same_o water_n a_o piece_n of_o lead_n or_o a_o portion_n of_o mercury_n which_o be_v body_n much_o heavy_a in_o specie_fw-la than_o water_n either_o he_o mistake_v my_o intention_n or_o i_o do_v not_o sufficient_o declare_v it_o but_o that_o which_o i_o design_v to_o show_v and_o for_o aught_o i_o can_v yet_o see_v have_v show_v be_v that_o by_o the_o help_n of_o a_o ordinary_a balance_n it_o may_v be_v make_v appear_v that_o water_n admit_v into_o the_o glass-bubble_n i_o employ_v do_v make_v the_o glass-bubble_n weigh_v so_o much_o heavy_a than_o it_o do_v before_o that_o liquor_n enter_v into_o it_o and_o that_o this_o new_a weight_n that_o be_v manifest_v by_o the_o balance_n be_v not_o due_a as_o my_o adversary_n suppose_v to_o such_o a_o recess_n of_o the_o air_n as_o i_o mention_v a_o while_n ago_o and_o now_o sir_n it_o will_v be_v proper_a to_o take_v notice_n of_o some_o passage_n in_o the_o objector_n discourse_n in_o order_n to_o dilucidate_v the_o subject_n of_o it_o whereas_o he_o say_v page_n the_o 149._o &_o 150._o take_v a_o piece_n of_o wood_n that_o be_v light_a in_o specie_fw-la than_o water_n and_o add_v weight_n to_o it_o by_o degree_n till_o it_o become_v of_o the_o same_o weight_n with_o water_n knit_v it_o with_o a_o string_n to_o a_o balance_n and_o weigh_v it_o in_o water_n and_o you_o will_v find_v the_o whole_a weight_n support_v by_o the_o water_n i_o answer_v that_o this_o do_v not_o at_o all_o overthrow_n my_o opinion_n but_o agree_v very_o well_o with_o it_o for_o suppose_v the_o weight_n you_o add_v to_o the_o light_n will_v be_v lead_n it_o can_v be_v say_v that_o the_o metal_n lose_v its_o native_a ponderosity_n whilst_o it_o rest_v in_o the_o water_n and_o the_o reason_n why_o it_o descend_v not_o be_v that_o it_o and_o the_o wood_n it_o be_v join_v to_o be_v hinder_v by_o the_o counterpoise_n of_o the_o collateral_a water_n which_o by_o its_o pressure_n will_v raise_v the_o surface_n of_o the_o water_n whereon_o the_o float_a or_o swim_v body_n lean_v if_o it_o be_v not_o hinder_v by_o the_o weight_n of_o these_o incumbent_a solid_n and_o this_o resistance_n of_o they_o to_o the_o endeavour_n upward_o of_o the_o water_n be_v exercise_v only_o upon_o the_o account_n of_o their_o gravity_n show_v that_o they_o do_v in_o my_o sense_n gravitate_fw-la though_o not_o pregravitate_fw-la again_o if_o you_o please_v to_o consider_v the_o case_n put_v by_o the_o objector_n page_n the_o 151._o and_o cast_v your_o eye_n upon_o his_o scheme_n which_o suppose_v you_o to_o have_v his_o book_n i_o shall_v for_o brevity_n sake_n make_v use_n of_o at_o present_a you_o will_v find_v he_o thus_o argue_v 151._o argue_v vid._n page_n 151._o now_o i_o say_v it_o be_v six_o ounce_n of_o the_o weight_n b_o that_o make_v this_o alteration_n and_o turn_v the_o scale_n for_o if_o 12_o ounce_n sink_v the_o glass_n below_o the_o water_n when_o it_o be_v full_a of_o air_n and_o no_o water_n in_o it_o then_o sure_o six_o be_v sufficient_a to_o sink_v it_o when_o it_o be_v half_a full_a and_o the_o reason_n be_v because_o there_o be_v a_o less_o potentia_fw-la or_o force_v in_o 6_o inch_n of_o air_n by_o the_o one_o half_a to_o counterpoise_v a_o weight_n of_o 12_o ounce_n than_o in_o 12_o inch_n of_o air._n therefore_o this_o air_n be_v reduce_v from_o 12_o inch_n to_o six_o it_o must_v take_v only_o 6_o ounce_n to_o sink_v it_o to_o which_o i_o answer_v that_o i_o know_v not_o yet_o what_o on_o this_o occasion_n he_o mean_v by_o a_o potentia_fw-la or_o force_v in_o 6_o inch_n of_o air_n to_o counterpoise_v a_o weight_n of_o 12_o ounce_n for_o by_o the_o term_n counterpoise_v where_o the_o question_n be_v about_o weigh_v one_o will_v think_v he_o speak_v of_o weight_n and_o yet_o air_n according_a to_o the_o vulgar_a opinion_n be_v positive_o light_a according_a to_o we_o though_o it_o have_v a_o gravity_n yet_o in_o our_o case_n that_o must_v amount_v to_o so_o little_a that_o what_o air_n the_o bubble_n need_v to_o fill_v it_o can_v not_o weigh_v at_o most_o above_o 4_o or_o 5_o grain_n which_o therefore_o may_v safe_o be_v neglect_v but_o according_a to_o my_o opinion_n the_o reason_n of_o the_o phaenomenon_n be_v clear_a enough_o without_o meddle_v with_o the_o potentia_fw-la of_o the_o air._n for_o if_o we_o conceive_v a_o horizontal_a plane_n to_o divide_v the_o water_n mental_o and_o pass_v by_o the_o bottom_n of_o the_o suspend_v bubble_n before_o the_o little_a stem_n be_v take_v off_o there_o be_v a_o far_o great_a pressure_n upon_o the_o other_o part_n of_o that_o plane_n than_o upon_o that_o which_o lie_v under_o the_o bubble_n in_o regard_n they_o be_v press_v by_o the_o weight_n of_o the_o collateral_a water_n a_o l_o g_o d_o m_o c_o whereas_o the_o other_o be_v press_v only_o by_o the_o weight_n of_o a_o body_n very_o much_o light_a than_o its_o equal_a bulk_n of_o water_n so_o that_o to_o keep_v the_o bubble_n from_o be_v forcible_o buoy_v up_o there_o be_v requisite_a 18_o ounce_n of_o lead_n that_o make_v up_o the_o plummet_n b_o to_o detain_v it_o under_o water_n and_o keep_v the_o beam_n of_o the_o balance_n horizontal_a that_o when_o 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the_o air_n and_o the_o same_o counterpoise_n of_o eight_o pound_n will_v maintain_v the_o aequilibrium_fw-la what_o the_o learned_a objector_n have_v at_o the_o close_a of_o his_o discourse_n about_o the_o natural_a and_o artificial_a balance_n can_v not_o without_o prolixity_n and_o be_v not_o here_o necessary_a to_o be_v dwell_v upon_o especial_o since_o you_o will_v see_v in_o what_o i_o suppose_v you_o have_v now_o receive_v from_o the_o press_n in_o answer_n to_o the_o ingenious_a doctor_n more_o what_o be_v to_o be_v say_v on_o that_o subject_a according_a to_o my_o hypothesis_n wherefore_o though_o my_o learned_a adversary_n do_v in_o the_o 152._o page_n conclude_v that_o water_n can_v weigh_v in_o water_n and_o assert_n that_o the_o pressure_n of_o water_n be_v one_o thing_n and_o water_n to_o weigh_v in_o water_n be_v another_o yet_o as_o i_o say_v at_o first_o i_o conceive_v much_o of_o our_o difference_n may_v be_v verbal_a and_o in_o my_o sense_n when_o water_n press_v 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that_o i_o do_v not_o write_v of_o these_o thing_n after_o have_v see_v this_o book_n of_o he_o but_o some_o year_n before_o and_o have_v since_o find_v those_o expression_n justify_v by_o the_o use_n that_o eminent_a writer_n have_v think_v fit_a to_o make_v of_o they_o and_o however_o i_o be_o glad_a that_o he_o have_v give_v i_o this_o opportunity_n of_o clear_v my_o experiment_n and_o declare_v by_o example_n as_o well_o as_o word_n the_o opinion_n it_o relate_v to_o especial_o if_o it_o seem_v to_o other_o that_o i_o omit_v to_o express_v myself_o so_o full_o my_o design_n be_v as_o i_o former_o tell_v you_o to_o convince_v such_o adversary_n as_o i_o then_o have_v meet_v with_o by_o show_v that_o the_o above-recited_n phaenomena_n of_o the_o emersion_n and_o sink_v of_o a_o glass-vial_n depend_v upon_o

dilatation_n of_o the_o air_n enclose_v in_o it_o and_o by_o its_o intumescence_n make_v a_o considerable_a part_n of_o the_o water_n run_v over_o by_o the_o side_n of_o the_o glass_n that_o before_o contain_v it_o all_o and_o when_o access_n be_v give_v again_o to_o the_o external_a air_n the_o internal_a be_v compress_v the_o bladder_n be_v present_o reduce_v to_o its_o wrinkle_a state_n exper._n iii_o we_o take_v a_o small_a but_o fine_a bladder_n who_o neck_n be_v strong_o tie_v up_o when_o it_o be_v by_o guess_n about_o half_a full_a of_o air_n this_o we_o put_v into_o a_o short_a brass_n cylinder_n the_o low_a of_o who_o base_n be_v close_v with_o a_o brass-plate_n and_o the_o other_o leave_v open_a this_o open_a orifice_n we_o afterward_o stop_v but_o not_o exact_o with_o a_o cylindrical_a plugg_n that_o be_v somewhat_o less_o wide_a than_o it_o and_o be_v by_o a_o rim_n at_o the_o top_n hinder_v from_o reach_v too_o deep_a into_o the_o cavity_n of_o the_o cylinder_n that_o it_o 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display_v so_o vigorous_a a_o spring_n that_o it_o have_v heave_v up_o the_o weight_n that_o lie_v upon_o it_o to_o a_o notable_a height_n and_o keep_v it_o there_o till_o the_o air_n be_v let_v in_o from_o without_o to_o assist_v its_o be_v depress_v by_o the_o leaden_a weight_n which_o amount_v to_o no_o less_o than_o about_o 28._o pound_n exper._n iu._n there_o remain_v yet_o one_o trial_n to_o be_v make_v which_o in_o case_n it_o shall_v succeed_v seem_v likely_a to_o appear_v as_o great_a a_o evidence_n of_o the_o force_n of_o the_o air_n be_v spring_n upon_o body_n under_o water_n as_o can_v be_v reasonable_o desire_v of_o we_o it_o have_v be_v look_v upon_o by_o many_o virtuoso_n as_o the_o considerabl_a instance_n of_o the_o force_n of_o the_o air_n be_v spring_n even_o when_o no_o water_n intervene_v in_o the_o trial_n to_o satisfy_v therefore_o our_o curiosity_n we_o take_v a_o copper_n vessel_n of_o a_o cylindrical_a shape_n and_o a_o considerable_a height_n into_o this_o be_v first_o almost_o fill_v with_o water_n we_o put_v a_o square_a glass-vial_n capable_a by_o guess_n to_o hold_v nine_o or_o ten_o ounce_n of_o water_n and_o exact_o stop_v with_o a_o cork_n and_o a_o close_a cement_n this_o vial_n by_o a_o competent_a weight_n be_v detain_v at_o the_o bottom_n of_o the_o water_n from_o who_o upper_a surface_n it_o be_v considerable_o distant_a then_o the_o copper_n vessel_n be_v place_v upon_o the_o engine_n and_o include_v in_o a_o great_a receiver_n well_o cement_v on_o the_o air_n be_v by_o degree_n pump_v out_o but_o before_o it_o be_v quite_o exhaust_v the_o glass_n at_o the_o bottom_n of_o the_o water_n be_v by_o the_o spring_n of_o the_o air_n include_v in_o it_o burst_v into_o many_o piece_n not_o without_o great_a noise_n and_o a_o kind_n of_o smoke_n or_o mist_n that_o appear_v above_o the_o surface_n of_o the_o water_n another_o glass_n of_o the_o same_o sort_n have_v be_v break_v after_o the_o same_o manner_n in_o another_o vessel_n but_o have_v afford_v we_o no_o particular_a phaenomenon_n i_o bare_o mention_v it_o to_o show_v that_o we_o make_v more_o than_o one_o trial_n of_o this_o kind_n the_o consequence_n that_o will_v natural_o result_v from_o the_o three_o last_o experiment_n be_v this_o that_o since_o bare_o upon_o the_o withdraw_n of_o the_o pressure_n of_o the_o include_v air_n which_o be_v perhaps_o but_o very_o little_a in_o quantity_n the_o air_n reside_v in_o the_o immersed_a body_n do_v by_o virtue_n of_o its_o spring_n expand_v itself_o so_o forcible_o as_o we_o have_v recite_v and_o perform_v notable_a thing_n the_o air_n above_o the_o water_n must_v have_v exercise_v a_o very_a powerful_a pressure_n upon_o the_o surface_n of_o it_o since_o set_v aside_o the_o weight_n of_o the_o water_n of_o small_a moment_n in_o our_o trial_n it_o must_v have_v be_v at_o least_o equivalent_a to_o and_o probable_o much_o exceed_v that_o force_n of_o the_o immersed_a air_n who_o exercise_n it_o be_v able_a total_o to_o hinder_v and_o from_o hence_o it_o may_v be_v easy_o deduce_v that_o the_o weight_n of_o the_o atmosphere_n act_n upon_o body_n under_o water_n notwithstanding_o that_o the_o interpose_a liquor_n be_v by_o vast_a odds_o heavy_a in_o specie_fw-la than_o air_n for_o we_o have_v just_a now_o prove_v the_o pressure_n of_o enclose_v air_n which_o consist_v in_o its_o spring_n upon_o body_n under_o water_n and_o it_o be_v manifest_a that_o the_o strength_n of_o the_o spring_n of_o this_o inferior_a air_n we_o make_v our_o trial_n with_o be_v cause_v by_o the_o weight_n of_o the_o superior_a air_n which_o bend_v and_o compress_n those_o little_a aereal_a springy_a particle_n whereof_o our_o air_n consist_v so_o that_o the_o weight_n of_o the_o atmosphere_n be_v equivalent_a to_o the_o spring_n of_o the_o inferior_a air_n for_o else_o it_o can_v not_o compress_v it_o as_o much_o as_o it_o do_v must_v lean_v upon_o the_o surface_n of_o the_o subjacent_a water_n with_o a_o force_n equivalent_a to_o the_o spring_n of_o that_o part_n of_o it_o that_o be_v contiguous_a to_o the_o water_n this_o experiment_n bring_v into_o my_o mind_n another_o that_o i_o once_o make_v which_o though_o not_o proper_o hydrostatical_a yet_o relate_v to_o positive_a levity_n may_v perhaps_o be_v not_o useless_o add_v on_o this_o occasion_n wherefore_o i_o shall_v here_o subjoin_v a_o transcript_n of_o the_o phaenomenon_n that_o belong_v to_o our_o present_a purpose_n as_o it_o be_v register_v soon_o after_o the_o experiment_n be_v make_v to_o examine_v by_o a_o visible_a experiment_n the_o common_a doctrine_n that_o a_o portion_n of_o air_n by_o be_v much_o dilate_a rarify_v or_o expanded_a do_v acquire_v a_o new_a and_o proportionable_a degree_n of_o positive_a levity_n i_o devise_v to_o put_v in_o practice_n the_o follow_a way_n we_o take_v a_o bladder_n of_o a_o moderate_a size_n that_o be_v very_o fine_a and_o limber_a that_o it_o may_v be_v the_o light_a and_o more_o easy_o distend_v the_o most_o part_n of_o the_o air_n be_v squeeze_v out_o of_o the_o bladder_n the_o neck_n of_o it_o be_v tie_v up_o very_o close_a that_o no_o air_n may_v get_v out_o of_o it_o nor_o any_o external_a get_v into_o it_o this_o limber_a bladder_n be_v hang_v at_o one_o of_o the_o scale_n of_o a_o balance_n who_o beam_n have_v be_v purposely_o make_v more_o than_o ordinary_o short_a that_o the_o instrument_n which_o yet_o be_v ticklish_a enough_o may_v be_v suspend_v and_o capable_a of_o play_v in_o the_o cavity_n of_o a_o great_a receiver_n into_o which_o we_o convey_v it_o having_z first_o careful_o counterpoyse_v the_o bladder_n with_o a_o metalline_a weight_n put_v into_o the_o opposite_a scale_n this_o do_v the_o air_n be_v pump_v out_o and_o as_o that_o be_v withdraw_v the_o bladder_n be_v more_o and_o more_o expanded_a by_o the_o spring_n of_o the_o internal_a air_n till_o at_o length_n when_o the_o receiver_n be_v well_o exhaust_v it_o appear_v to_o be_v quite_o full_a notwithstanding_o which_o great_a dilatation_n of_o the_o include_v air_n it_o do_v not_o appear_v by_o the_o depression_n of_o the_o opposite_a scale_n to_o be_v grow_v manifest_o light_a than_o it_o be_v at_o first_o and_o the_o bladder_n seem_v also_o to_o retain_v the_o same_o weight_n after_o it_o have_v by_o the_o air_n that_o be_v let_v into_o the_o receiver_n be_v compress_v into_o its_o former_a wrinkle_a state_n new_a experiment_n about_o the_o differ_v pressure_n of_o heavy_a solid_n and_o fluid_n new_a experiment_n about_o the_o differ_a pressure_n of_o heavy_a solid_n and_o fluid_n since_o not_o only_o in_o vulgar_a spectator_n of_o physicomechanical_a experiment_n but_o even_o among_o some_o learned_a man_n it_o have_v prove_v a_o great_a impediment_n to_o man_n free_o acquiesce_v in_o