our_o common_a cause_n if_o i_o shall_v needless_o go_v about_o to_o hinder_v they_o from_o the_o honour_n of_o vindicate_v the_o truth_n we_o agree_v in_o especial_o some_o of_o they_o be_v excellent_a mathematician_n and_o other_o eminent_a naturalist_n who_o concern_v to_o maintain_v the_o hypothesis_n against_o objection_n if_o any_o shall_v arise_v be_v equal_a to_o i_o and_o who_o leisure_n and_o ability_n far_o exceed_v those_o of_o a_o person_n who_o both_o be_v sickly_a and_o have_v other_o employment_n enough_o and_o who_o if_o he_o be_v far_o better_a skill_v in_o geometry_n than_o he_o pretend_v to_o be_v have_v such_o a_o weakness_n in_o his_o eye_n as_o make_v he_o both_o unwilling_a and_o unfit_a to_o engage_v in_o any_o study_n where_o the_o converse_v with_o mathematical_a scheme_n be_v necessary_a three_o nor_o do_v i_o see_v much_o cause_n to_o doubt_v that_o the_o thing_n i_o have_v deliver_v will_v notwithstanding_o my_o silence_n be_v leave_v undefended_a the_o forwardness_n i_o have_v already_o observe_v in_o divers_a vertuosi_n to_o vindicate_v those_o write_n which_o they_o be_v please_v to_o say_v have_v convince_v they_o and_o to_o save_v i_o the_o labour_n of_o pen_v the_o follow_a treatise_n scarce_o permit_v i_o such_o a_o apprehension_n especial_o since_o there_o be_v some_o thing_n that_o will_v much_o facilitate_v their_o task_n if_o not_o keep_v man_n from_o put_v they_o upon_o it_o for_o though_o mr._n hobbs_n and_o linus_n have_v examine_v my_o write_n upon_o principle_n wherein_o they_o differ_v as_o much_o from_o each_o other_o as_o from_o i_o yet_o neither_o have_v they_o see_v cause_n to_o deny_v any_o thing_n that_o i_o deliver_v as_o experiment_n nor_o have_v their_o objection_n be_v considerable_a whether_o as_o to_o number_n or_o to_o weight_n against_o the_o application_n i_o have_v make_v of_o my_o principle_n to_o solve_v the_o phaenomena_n so_o that_o usual_o without_o object_v any_o incongruity_n to_o my_o particular_a explication_n they_o be_v fain_o to_o fall_v upon_o the_o hypothesis_n themselves_o in_o who_o defence_n i_o think_v i_o may_v with_o the_o more_o reason_n expect_v to_o be_v second_v because_o not_o only_o i_o have_v endeavour_v as_o i_o former_o note_v to_o lay_v the_o ground_n of_o answer_v such_o objection_n as_o i_o foresee_v may_v arise_v but_o i_o have_v also_o to_o prevent_v or_o ease_v their_o labour_n write_v the_o two_o first_o part_n of_o my_o defence_n against_o linus_n without_o be_v oblige_v to_o do_v so_o for_o the_o vindicate_a of_o my_o explication_n which_o be_v particular_o maintain_v in_o the_o three_o part._n i_o know_v not_o whether_o i_o may_v venture_v to_o add_v on_o this_o occasion_n that_o those_o who_o have_v take_v notice_n of_o the_o usefulness_n of_o experiment_n to_o true_a philosophy_n and_o have_v observe_v that_o nevertheless_o the_o difficulty_n trouble_v and_o charge_v of_o make_v they_o be_v such_o that_o even_o in_o this_o learned_a age_n of_o we_o there_o be_v very_o few_o bacon_n or_o mersennus_n to_o be_v meet_v with_o and_o those_o who_o have_v either_o make_v themselves_o or_o at_o least_o see_v other_o make_v experiment_n even_o such_o as_o those_o i_o have_v publish_v with_o the_o care_n i_o be_o wont_a to_o think_v myself_o oblige_v to_o employ_v on_o such_o occasion_n will_v perhaps_o not_o only_o believe_v that_o they_o cost_v i_o far_o more_o time_n and_o pain_n than_o they_o that_o have_v not_o make_v nor_o see_v such_o trial_n be_v apt_a to_o imagine_v but_o will_v possible_o think_v it_o enough_o for_o a_o person_n that_o be_v not_o by_o profession_n a_o scholar_n to_o make_v they_o careful_o and_o set_v they_o down_o faithful_o and_o will_v allow_v he_o to_o let_v other_o vindicate_v the_o truth_n he_o may_v have_v the_o good_a fortune_n to_o discover_v especial_o when_o there_o be_v so_o many_o fit_a for_o it_o than_o he_o who_o have_v as_o well_o as_o his_o adversary_n more_o leisure_n to_o write_v disputation_n than_o opportunity_n to_o prosecute_v experiment_n the_o latter_a of_o which_o to_o be_v perform_v as_o it_o ought_v to_o be_v do_v in_o many_o case_n beside_o some_o dexterity_n scarce_o to_o be_v gain_v but_o by_o practice_n require_v sometime_o more_o diligence_n and_o oftentimes_o too_o more_o cost_n than_o most_o be_v willing_a or_o than_o many_o be_v able_a to_o bestow_v upon_o they_o to_o be_v short_a though_o if_o any_o thing_n very_o worthy_a to_o be_v take_v notice_n of_o by_o i_o be_v suggest_v against_o any_o of_o my_o chief_n opinion_n or_o explication_n i_o may_v either_o take_v a_o occasion_n to_o say_v somewhat_o to_o it_o elsewhere_o or_o at_o least_o have_v a_o opportunity_n to_o consider_v it_o in_o a_o review_n wherein_o i_o may_v alter_v mend_v supply_n vindicate_v or_o retract_v divers_a passage_n of_o my_o other_o write_n yet_o i_o will_v not_o have_v it_o expect_v that_o i_o shall_v exchange_v a_o book_n with_o every_o one_o that_o be_v at_o leisure_n to_o write_v one_o against_o a_o vacuum_n or_o about_o the_o air._n which_o declaration_n i_o make_v not_o that_o i_o think_v it_o will_v or_o aught_o to_o hinder_v any_o man_n from_o make_v use_n of_o his_o liberty_n to_o express_v a_o dissent_n if_o he_o see_v cause_n but_o for_o these_o two_o reason_n the_o one_o that_o my_o silence_n may_v not_o injure_v either_o the_o truth_n or_o myself_o by_o tempt_a man_n to_o think_v that_o whatever_o i_o do_v not_o answer_v i_o can_v but_o may_v give_v unbiased_a and_o judicious_a reader_n a_o caution_n to_o allow_v as_o little_a of_o advantage_n to_o the_o write_n of_o my_o adversary_n upon_o the_o account_n of_o their_o be_v unanswered_a by_o i_o as_o if_o i_o be_v no_o long_o in_o the_o world_n and_o the_o other_o that_o i_o may_v not_o hinder_v those_o who_o will_v reply_v to_o such_o adversary_n by_o leave_a they_o a_o apprehension_n that_o either_o i_o may_v prevent_v they_o or_o they_o i_o to_o conclude_v i_o see_v no_o cause_n to_o despair_v that_o whether_o or_o no_o my_o write_n be_v protect_v the_o truth_n they_o hold_v forth_o will_v in_o time_n in_o spite_n of_o opposition_n establish_v themselves_o in_o the_o mind_n of_o man_n as_o the_o circulation_n of_o the_o blood_n and_o other_o former_o much_o contest_v truth_n have_v already_o do_v my_o humour_n have_v natural_o make_v i_o too_o careful_a not_o to_o offend_v those_o i_o dissent_v from_o to_o make_v it_o necessary_a for_o any_o man_n to_o be_v my_o adversary_n upon_o the_o account_n of_o personal_a injury_n or_o provocation_n and_o as_o for_o any_o who_o either_o judgement_n or_o envy_n may_v invite_v to_o contend_v that_o the_o thing_n i_o have_v communicate_v to_o the_o world_n deserve_v not_o so_o much_o applause_n as_o they_o have_v have_v the_o luck_n to_o be_v entertain_v with_o that_o shall_v make_v no_o quarrel_n betwixt_o we_o for_o perhaps_o i_o be_o myself_o as_o much_o of_o that_o mind_n as_o he_o and_o however_o i_o shall_v not_o scruple_n to_o profess_v myself_o one_o of_o those_o who_o be_v more_o desirous_a to_o spend_v his_o time_n useful_o than_o to_o have_v the_o glory_n of_o leave_v nothing_o that_o be_v ever_o write_v against_o he_o unanswered_a and_o who_o be_v more_o solicitous_a to_o pursue_v the_o way_n of_o discover_v truth_n than_o to_o have_v it_o think_v that_o he_o never_o be_v so_o much_o subject_n to_o humane_a frailty_n as_o to_o miss_v it_o a_o defence_n of_o mr._n r._n boyle_n explication_n of_o his_o physicomechanical_a experiment_n against_o franciscus_n linus_n the_o i._o part._n wherein_o the_o adversary_n objection_n against_o the_o elaterist_n be_v examine_v chap._n i._n a_o newly-published_n treatise_n de_fw-fr corporum_fw-la inseparabilitate_fw-la be_v bring_v to_o my_o hand_n i_o find_v several_a chapter_n of_o it_o employ_v to_o oppose_v the_o explication_n i_o venture_v to_o give_v of_o some_o of_o my_o new_a experiment_n touch_v the_o spring_n of_o the_o air._n wherefore_o though_o i_o be_o very_o little_o delight_v to_o be_v engage_v in_o controversy_n and_o though_o i_o be_v not_o at_o present_a without_o employment_n enough_o of_o a_o private_a and_o of_o a_o public_a nature_n to_o make_v it_o unseasonable_a for_o i_o to_o be_v by_o a_o work_n of_o this_o sort_n divert_v from_o they_o yet_o for_o the_o reason_n specify_v in_o the_o preface_n i_o hold_v it_o not_o amiss_o to_o examine_v brief_o what_o be_v object_v against_o the_o thing_n i_o have_v deliver_v and_o the_o rather_o partly_o because_o the_o learned_a author_n whoever_o he_o be_v for_o it_o be_v the_o title-page_n of_o his_o book_n that_o first_o acquaint_v i_o with_o the_o name_n of_o franciscus_n linus_n have_v forbear_v provoke_v language_n in_o his_o objection_n allow_v i_o in_o answer_v they_o to_o comply_v with_o my_o inclination_n and_o custom_n of_o
exercise_v civility_n even_o where_o i_o most_o dissent_n in_o point_n of_o judgement_n beside_o the_o author_n himself_o have_v somewhat_o facilitated_a my_o reply_n to_o he_o by_o direct_v i_o in_o the_o nine_o page_n to_o some_o book_n and_o passage_n that_o i_o have_v not_o when_o i_o publish_v my_o epistle_n either_o see_v or_o take_v notice_n of_o as_o indeed_o there_o be_v beside_o some_o of_o these_o several_a other_o discourse_n that_o treat_v of_o the_o torrecellian_a experiment_n which_o though_o by_o the_o name_n of_o their_o author_n i_o guess_v to_o be_v learned_o write_v i_o have_v not_o to_o this_o day_n have_v opportunity_n to_o peruse_v my_o stay_n in_o the_o remote_a part_n of_o ireland_n whither_o philosophical_a book_n be_v not_o in_o that_o time_n of_o public_a confusion_n bring_v have_v keep_v i_o from_o hear_v of_o divers_a of_o they_o till_o they_o be_v all_o buy_v up_o which_o i_o here_o mention_v to_o excuse_v myself_o if_o i_o have_v not_o take_v notice_n of_o some_o thing_n or_o passage_n to_o be_v meet_v with_o in_o these_o write_n which_o their_o learned_a author_n or_o inquisitive_a reader_n may_v just_o perhaps_o expect_v i_o shall_v take_v some_o notice_n of_o in_o case_n those_o write_n have_v fall_v into_o my_o hand_n but_o to_o digress_v no_o further_o it_o be_v true_a indeed_o and_o it_o somewhat_o trouble_v i_o that_o it_o be_v so_o that_o i_o can_v scarce_o promise_v myself_o to_o make_v my_o adversary_n a_o proselyte_n since_o he_o without_o scruple_n assume_v those_o very_a thing_n as_o principle_n that_o to_o i_o seem_v almost_o as_o great_a inconvenience_n as_o i_o will_v desire_v to_o show_v any_o opinion_n i_o dislike_v to_o be_v liable_a unto_o but_o since_o whatever_o operation_n the_o follow_a discourse_n may_v have_v upon_o the_o person_n that_o occasion_v it_o i_o hope_v it_o may_v bring_v some_o satisfaction_n to_o those_o philosopher_n who_o can_v as_o little_a as_o i_o understand_v the_o aristotelean_a rarefaction_n and_o who_o will_v as_o well_o as_o i_o be_v backward_o to_o admit_v what_o they_o can_v understand_v it_o shall_v suffice_v i_o to_o defend_v the_o truth_n i_o have_v deliver_v if_o i_o can_v be_v so_o happy_a as_o to_o convince_v my_o acute_a adversary_n of_o they_o and_o i_o shall_v not_o believe_v my_o labour_n lose_v if_o this_o discourse_n can_v contribute_v to_o the_o establishment_n of_o some_o notion_n in_o philosophy_n that_o i_o think_v not_o inconsiderable_a in_o the_o mind_n of_o those_o who_o clear_a principle_n make_v i_o the_o most_o respect_n their_o judgement_n and_o for_o who_o sake_n i_o principal_o write_v now_o though_o i_o be_v not_o in_o strictness_n oblige_v to_o defend_v any_o more_o than_o such_o of_o my_o own_o explication_n as_o the_o examiner_n have_v think_v fit_a to_o question_v and_o those_o particular_n which_o i_o have_v add_v by_o way_n of_o improvement_n to_o the_o two_o hypothesis_n of_o the_o spring_n and_o weight_n of_o the_o air_n yet_o that_o i_o may_v the_o more_o effectual_o prosecute_v what_o i_o late_o intimate_v i_o aim_v at_o in_o this_o write_n and_o may_v as_o well_o illustrate_v my_o doctrine_n as_o defend_v it_o i_o shall_v divide_v the_o ensue_a treatise_n into_o three_o part_n whereof_o the_o first_o be_v design_v to_o answer_v my_o adversary_n objection_n against_o our_o principle_n the_o second_o shall_v examine_v the_o funicular_a hypothesis_n he_o will_v substitute_v in_o their_o stead_n and_o the_o three_o shall_v contain_v particular_a reply_v to_o what_o he_o allege_v against_o some_o of_o my_o particular_a explication_n chap._n ii_o although_o our_o author_n confess_v in_o his_o second_o chapter_n that_o the_o air_n have_v a_o spring_n as_o well_o as_o a_o weight_n yet_o he_o resolute_o deny_v that_o spring_n to_o be_v near_o great_a enough_o to_o perform_v those_o thing_n which_o his_o adversary_n who_o for_o brevity_n sake_n we_o will_v venture_v to_o call_v elaterist_n ascribe_v to_o it_o and_o his_o whole_a four_o chapter_n as_o the_o title_n declare_v be_v employ_v to_o prove_v that_o the_o spring_n of_o the_o air_n be_v unable_a in_o a_o close_a place_n to_o keep_v the_o mercury_n suspend_v in_o the_o torrecellian_a experiment_n the_o proof_n of_o this_o assertion_n he_o say_v be_v easy_a but_o allege_v two_o or_o three_o argument_n for_o it_o which_o i_o think_v will_v be_v more_o easy_o answer_v than_o his_o assertion_n evince_v in_o the_o first_o he_o say_v that_o those_o experiment_n concern_v the_o adhesion_n of_o one_o finger_n etc._n etc._n which_o he_o have_v mention_v in_o the_o forego_n chapter_n eodem_fw-la modo_fw-la se_fw-la habent_fw-la in_o loco_fw-la clauso_fw-la ac_fw-la in_o aperto_fw-la but_o the_o answer_n of_o this_o we_o shall_v suspend_v till_o anon_o partly_o because_o it_o may_v then_o be_v more_o convenient_o examine_v and_o partly_o because_o our_o author_n seem_v not_o to_o build_v much_o upon_o it_o his_o chief_a argument_n be_v that_o which_o he_o propose_v in_o these_o word_n cum_fw-la tota_fw-la vis_fw-la huius_fw-la elaterii_n pendeat_fw-la à _fw-la refutato_fw-la jam_fw-la aëris_fw-la aequipondio_fw-la cum_fw-la digitis_fw-la 29½_n argenti_fw-la vivi_fw-la it_o a_o ut_fw-la nec_fw-la plus_fw-la nec_fw-la 20._o minus_fw-la faciat_fw-la hoc_fw-la elaterium_fw-la in_o loco_fw-la occluso_fw-la quam_fw-la fit_a per_fw-la illud_fw-la aequipondium_fw-la in_o loco_fw-la aperto_fw-la manifestum_fw-la est_fw-la cum_fw-la jam_fw-la ostensum_fw-la sit_fw-la fictitium_fw-la planè_fw-la esse_fw-la hujusmodi_fw-la aequipondium_fw-la fictitium_fw-la quoque_fw-la esse_fw-la tale_n elaterium_fw-la wherefore_o since_o all_o the_o validity_n of_o his_o objection_n against_o the_o spring_n of_o the_o air_n depend_v upon_o his_o former_a chapter_n wherein_o he_o think_v he_o have_v disprove_v the_o weight_n of_o the_o air_n it_o will_v behoove_v we_o to_o look_v back_o into_o the_o former_a chapter_n and_o examine_v the_o four_o argument_n which_o he_o there_o propose_v but_o i_o must_v crave_v leave_n to_o vary_v from_o his_o method_n and_o consider_v the_o three_o in_o the_o first_o place_n because_o the_o removal_n of_o that_o objection_n will_v facilitate_v and_o shorten_v the_o answer_n to_o the_o rest_n his_o three_o argument_n therefore_o be_v thus_o set_v down_o nam_fw-la si_fw-la tubus_fw-la viginti_fw-la tantum_fw-la digitorum_fw-la quo_fw-la usi_fw-la sumus_fw-la in_o primo_fw-la argumento_fw-la non_fw-la totus_fw-la impleatur_fw-la argento_fw-la ut_fw-la prius_fw-la sed_fw-la spacium_fw-la aliquod_fw-la inter_fw-la 16._o digitum_fw-la superiorem_fw-la &_o argentum_fw-la relinquatur_fw-la in_o quo_fw-la sit_fw-la solus_fw-la aër_fw-la videbimus_fw-la subtracto_fw-la inferiore_fw-la digito_fw-la superiorem_fw-la non_fw-la solum_fw-la deorsum_fw-la trahi_fw-la ut_fw-la prius_fw-la sed_fw-la etiam_fw-la argentum_fw-la jam_fw-la descendere_fw-la idque_fw-la notabiliter_fw-la quantum_fw-la nimirum_fw-la extendi_fw-la potest_fw-la exiguailla_fw-la aëris_fw-la particula_fw-la à _fw-la tali_fw-la pondere_fw-la descendente_fw-la unde_fw-la sy_n loco_fw-la illius_fw-la aëris_fw-la ponatur_fw-la aqua_fw-la aliusve_fw-la liquor_n qui_fw-la non_fw-la tam_fw-la facilè_fw-la extenditur_fw-la descensus_fw-la nullus_fw-la erit_fw-la hinc_fw-la inquam_fw-la contra_fw-la hanc_fw-la sententiam_fw-la formatur_fw-la argumentum_fw-la nam_fw-la sy_n externus_fw-la ille_fw-la aër_fw-la nequeat_fw-la vel_fw-la hos_fw-la viginti_fw-la digitos_fw-la argenti_fw-la à _fw-la lapsu_fw-la sustentare_fw-la uti_fw-la jam_fw-la vidimus_fw-la quomodo_fw-la quaeso_fw-la sustentabit_fw-la 29½_n certè_fw-la haec_fw-la nullatenus_fw-la reconciliari_fw-la possunt_fw-la but_o to_o this_o argument_n which_o he_o think_v so_o irreconcilable_a with_o his_o adversary_n hypothesis_n he_o have_v himself_o furnish_v they_o with_o a_o answer_n in_o these_o word_n dice_n forte_fw-fr ideo_fw-la argentum_fw-la in_o hoc_fw-la casu_fw-la descendere_fw-la quia_fw-la deorsum_fw-la truditur_fw-la ab_fw-la aëre_fw-la illo_fw-la seize_v per_fw-la suum_fw-la elaterium_fw-la dilatante_fw-la which_o anfwer_n i_o think_v sufficient_a for_o the_o objection_n notwithstanding_o the_o two_o exception_n he_o take_v at_o it_o for_o first_o whereas_o he_o say_v that_o sic_fw-la deberet_fw-la digitus_fw-la potius_fw-la à _fw-la tubo_fw-la repelli_fw-la quam_fw-la eidem_fw-la affigi_fw-la cum_fw-la non_fw-la minus_fw-la sursum_fw-la quam_fw-la deorsum_fw-la fiat_fw-la bujusmodi_fw-la dilatatio_fw-la he_o consider_v not_o that_o though_o the_o endeavour_n of_o the_o include_v air_n to_o expand_v itself_o be_v at_o first_o every_o way_n alike_o yet_o the_o expansion_n itself_o in_o our_o case_n must_v necessary_o be_v make_v downward_o and_o not_o upward_o because_o the_o finger_n that_o stop_v the_o tube_n be_v expose_v on_o the_o upper_a part_n and_o the_o side_n to_o the_o external_a air_n have_v the_o whole_a weight_n and_o pressure_n of_o the_o atmosphere_n upon_o it_o and_o consequent_o can_v be_v thrust_v away_o but_o by_o a_o force_n capable_a to_o surmount_v that_o pressure_n whereas_o on_o the_o low_a side_n of_o the_o include_v air_n there_o be_v the_o weight_n of_o the_o whole_a mercurial_a cylinder_n to_o assist_v the_o spring_n of_o the_o air_n to_o surmount_v the_o weight_n of_o the_o atmosphere_n that_o gravitates_fw-la upon_o
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statical_a and_o mechanical_a experiment_n rise_v to_o the_o height_n of_o five_o and_o twenty_o german_a league_n if_o not_o of_o some_o hundred_o of_o common_a miles_n and_o this_o conjecture_n itself_o may_v appear_v very_o injurious_a to_o the_o height_n whereunto_o exhalation_n may_v ascend_v if_o we_o will_v allow_v that_o there_o be_v no_o mistake_n in_o that_o strange_a observation_n make_v at_o tolouse_n in_o a_o clear_a night_n in_o august_n by_o the_o diligent_a mathematician_n emamuel_n magnan_n and_o thus_o record_v by_o ricciolus_n for_o i_o have_v not_o at_o hand_n the_o author_n be_v own_o book_n vidit_fw-la say_v he_o ab_fw-la hora_fw-la undecima_fw-la post_fw-la meridiem_fw-la 38._o usque_fw-la ad_fw-la mediam_fw-la noctem_fw-la lunâ_fw-la infra_fw-la horizontem_fw-la positâ_fw-la nubeculam_fw-la quandam_fw-la lucidam_fw-la prope_fw-la meridianum_fw-la fere_n usque_fw-la ad_fw-la zenith_n diffusam_fw-la quae_fw-la consideratis_fw-la omnibus_fw-la non_fw-la poterat_fw-la nisi_fw-la à _fw-la sole_a illuminari_fw-la ideoque_fw-la altior_fw-la esse_fw-la debuit_fw-la tota_fw-la umbra_fw-la terrae_fw-la addit_fw-la continue_v ricciolus_n simile_n quid_fw-la evenisse_fw-la michaeli_n angelo_n riccio_n apud_fw-la sabinos_fw-la versanti_fw-la nempe_fw-la viro_fw-la in_o mathesi_n eruditissimo_fw-la various_a observation_n make_v at_o the_o foot_n top_n and_o interjacent_a part_n of_o high_a mountain_n may_v perchance_o somewhat_o assist_v we_o to_o make_v a_o estimate_n in_o what_o proportion_n if_o in_o any_o certain_a one_o the_o high_a air_n be_v thick_a than_o the_o low_a and_o guess_v at_o the_o difform_a consistence_n as_o to_o laxity_n and_o compactness_n of_o the_o air_n at_o several_a distance_n from_o we_o and_o if_o the_o difficulty_n about_o the_o refraction_n of_o the_o celestial_a light_n be_v satisfactory_o determine_v that_o may_v also_o much_o conduce_v to_o the_o place_v due_a limit_n to_o the_o atmosphere_n who_o dimension_n 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this_o very_a time_n be_v sure_a a_o day_n beforehand_o that_o these_o flash_n will_v be_v to_o be_v see_v in_o our_o great_a receiver_n nay_o have_v once_o find_v the_o engine_n in_o a_o good_a humour_n if_o i_o may_v so_o speak_v to_o show_v this_o trick_n and_o send_v notice_n of_o it_o to_o our_o learned_a friend_n dr._n wallis_n who_o express_v a_o great_a desire_n to_o see_v this_o phaenomenon_n though_o he_o be_v not_o then_o above_o a_o bow-shoot_a off_o and_o make_v haste_n to_o fatisfie_v his_o curiosity_n yet_o by_o that_o time_n he_o be_v come_v the_o thing_n he_o come_v for_o be_v no_o long_a to_o be_v see_v so_o that_o have_v vain_o endeavour_v to_o exhibit_v again_o the_o phaenomenon_n in_o his_o prefence_n i_o begin_v to_o apprehend_v what_o he_o may_v think_v of_o i_o when_o unexpected_o the_o engine_n present_v we_o a_o flash_n and_o after_o that_o a_o second_o and_o as_o many_o more_o as_o suffice_v to_o satisfy_v he_o that_o we_o may_v very_o well_o confident_o 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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
in_o that_o hypothesis_n it_o can_v scarce_o be_v otherwise_o wherefore_o i_o shall_v only_o add_v on_o this_o occasion_n that_o it_o be_v not_o clear_a to_o i_o that_o even_o such_o a_o divisibility_n of_o a_o continuum_fw-la as_o be_v here_o suppose_v will_v make_v out_o the_o rarefaction_n he_o contend_v for_o for_o let_v the_o integrant_fw-la part_n of_o a_o continuum_fw-la be_v more_o or_o less_o finite_a or_o infinite_a in_o number_n yet_o still_o each_o part_n be_v a_o corporeal_a substance_n must_v have_v some_o particle_n of_o space_n commensurate_a to_o it_o and_o if_o the_o whole_a body_n be_v rarefy_v for_o instance_n to_o twice_o its_o former_a bigness_n then_o will_v each_o part_n be_v likewise_o extend_v to_o double_v its_o former_a dimension_n and_o fill_v both_o the_o place_n it_o take_v up_o before_o and_o another_o equal_a to_o it_o and_o so_o two_o place_n the_o second_o argument_n allege_v to_o recommend_v the_o hithertomentioned_n way_n of_o explicate_a rarefaction_n be_v that_o many_o learned_a man_n among_o who_o he_o name_v two_o aquinas_n and_o suarez_n have_v teach_v that_o the_o same_o corporeal_a thing_n may_v natural_o be_v and_o de_fw-fr facto_fw-la often_o be_v in_o the_o soul_n of_o brute_n real_o indivisible_a and_o virtual_o extend_v but_o though_o i_o pay_v those_o two_o author_n a_o just_a respect_n for_o their_o great_a skill_n in_o scholastical_a and_o metaphysical_a learning_n yet_o the_o examiner_n can_v ignore_v that_o i_o can_v make_v a_o long_a catalogue_n of_o writer_n both_o ancient_a and_o modern_a at_o least_o as_o well_o verse_v in_o natural_a philosophy_n as_o saint_n thomas_n and_o suarez_n who_o have_v some_o of_o they_o in_o express_a word_n deny_v this_o to_o be_v natural_o possible_a and_o other_o have_v declare_v themselves_o of_o the_o same_o judgement_n by_o establish_v principle_n with_o which_o this_o conceit_n of_o the_o virtual_a extension_n of_o the_o indivisible_a corpuscle_n be_v absolute_o inconsistent_a and_o though_o no_o author_n have_v hitherto_o oppose_v it_o yet_o i_o that_o dispute_v not_o what_o this_o or_o that_o man_n think_v but_o what'tis_o rational_a to_o think_v shall_v nevertheless_o not_o scruple_n to_o reject_v it_o now_o and_o shall_v not_o doubt_v to_o find_v store_n of_o the_o best_a naturalist_n of_o the_o same_o opinion_n with_o i_o and_o perhaps_o among_o they_o the_o examiner_n himself_o who_o however_o this_o acknowledgement_n may_v agree_v with_o the_o three_o follow_a chapter_n of_o his_o book_n tell_v we_o pag._n 160._o that_o juxta_fw-la probabiliorem_fw-la sententiam_fw-la hujusmodi_fw-la virtualis_fw-la extensio_fw-la rei_fw-la corporeae_fw-la concedenda_fw-la non_fw-la est_fw-la utpote_fw-la soli_fw-la rei_fw-la spirituali_fw-la propria_fw-la but_o to_o conclude_v at_o length_n this_o tedious_a enquiry_n into_o the_o aristotelean_a way_n of_o rarefaction_n which_o be_v of_o so_o obscure_a a_o nature_n that_o it_o can_v scarce_o be_v either_o propose_v or_o examine_v in_o few_o word_n i_o will_v not_o take_v upon_o i_o resolute_o to_o affirm_v which_o of_o the_o two_o way_n of_o explicate_v it_o by_o atom_n or_o by_o part_n infinite_o divisible_a our_o author_n declare_v himself_o for_o but_o which_o of_o they_o soever_o it_o be_v i_o think_v i_o have_v show_v that_o he_o have_v not_o intelligible_o make_v it_o out_o and_o i_o make_v the_o less_o scruple_n to_o do_v so_o because_o he_o himself_o be_v so_o ingenuous_a as_o at_o the_o close_a of_o his_o discourse_n of_o the_o two_o way_n to_o speak_v thus_o of_o the_o opinion_n he_o prefer_v praestat_fw-la communi_fw-la &_o receptae_fw-la hactenus_fw-la in_o scholis_fw-la sententiae_fw-la insistere_fw-la quae_fw-la licet_fw-la 169._o difficultates_fw-la quidem_fw-la non_fw-la clarè_v solvat_fw-la iis_fw-la tamen_fw-la aperte_fw-la non_fw-la succumbit_fw-la so_o that_o in_o this_o discourse_n of_o rarefaction_n to_o which_o our_o author_n have_v so_o often_o in_o the_o forego_n part_n of_o the_o book_n refer_v we_o as_o that_o which_o shall_v make_v good_a what_o there_o seem_v the_o most_o improbable_a he_o have_v but_o instead_o of_o a_o probable_a hypothesis_n needless_o reject_v substitute_v a_o doctrine_n which_o himself_o dare_v not_o pretend_v capable_a of_o be_v well_o free_v from_o the_o difficulty_n with_o which_o it_o may_v be_v charge_v though_o i_o doubt_v not_o but_o other_o reader_n especial_o naturalist_n will_v think_v he_o have_v be_v very_o civil_a to_o this_o obscure_a doctrine_n in_o say_v that_o difficultatibus_fw-la non_fw-la aperte_fw-la succumbit_fw-la as_o for_o the_o other_o way_n of_o explicate_a rarefaction_n namely_o by_o suppose_v that_o a_o body_n be_v make_v up_o of_o part_n indivisible_a he_o will_v not_o i_o presume_v deny_v but_o that_o the_o objection_n we_o former_o make_v against_o it_o be_v weighty_a for_o according_a to_o this_o hypothesis_n which_o one_o will_v think_v he_o prefer_v since_o he_o make_v use_v of_o it_o in_o the_o three_o or_o four_o last_o chapter_n of_o his_o book_n necessariò_fw-la fatendum_fw-la est_fw-la say_v he_o unam_fw-la eandemque_fw-la partem_fw-la poni_fw-la 163._o in_o duplici_fw-la loco_fw-la adaequate_fw-la cum_fw-la enim_fw-la indivisibilis_fw-la sit_fw-la locumque_fw-la occupet_fw-la majorem_fw-la quam_fw-la prius_fw-la necesse_fw-la est_fw-la ut_fw-la tota_fw-la sit_fw-la in_o quolibet_fw-la punato_fw-la totius_fw-la lici_fw-la sive_fw-la ut_fw-la per_fw-la totum_fw-la illud_fw-la spatium_fw-la virtualiter_fw-la extendatur_fw-la so_o that_o when_o hein_o the_o very_a next_o page_n affirm_v that_o by_o this_o virtual_a extension_n of_o the_o part_n the_o difficulty_n that_o have_v for_o so_o many_o age_n trouble_v philosopher_n may_v be_v easy_o solve_v he_o must_v give_v i_o leave_v who_o love_n to_o speak_v intelligible_o and_o not_o to_o admit_v what_o i_o can_v understand_v to_o desire_v he_o will_v explain_v to_o i_o what_o this_o extensto_fw-la virtualis_fw-la be_v and_o how_o it_o will_v remove_v the_o difficulty_n that_o i_o former_o charge_v upon_o the_o aristotelean_a rarefaction_n for_o the_o easy_a consideration_n of_o this_o matter_n let_v we_o resume_v what_o we_o late_o suppose_v namely_o that_o in_o the_o magdeburgick_a experiment_n the_o half_a inch_n of_o undilated_a air_n consist_v of_o a_o hundred_o corpuscle_n i_o demand_v how_o the_o indivisibility_n of_o these_o corpuscle_n will_v qualify_v they_o to_o make_v out_o such_o a_o rarefaction_n as_o the_o author_n imagine_v for_o what_o do_v their_o be_v indivisible_a do_v in_o this_o case_n but_o make_v it_o the_o less_o intelligible_a how_o they_o can_v fill_v above_o a_o hundred_o part_n of_o space_n it_o be_v easy_a to_o foresee_v he_o will_v answer_v that_o they_o be_v virtual_o extend_v but_o not_o here_o to_o question_v how_o their_o indivisibility_n make_v they_o capable_a of_o be_v so_o i_o demand_v whether_o by_o a_o atom_n be_v virtual_o extend_v its_o corporeal_a substance_n do_v real_o i_o mean_v adequate_o fill_v more_o space_n than_o it_o do_v before_o or_o whether_o it_o do_v not_o for_o one_o of_o the_o two_o be_v necessary_a if_o it_o do_v then_o it_o be_v a_o true_a and_o real_a and_o not_o bare_o a_o virtual_a extension_n and_o that_o such_o a_o extension_n will_v not_o serve_v the_o turn_n what_o we_o have_v former_o argue_v against_o the_o peripatetic_a rarefaction_n will_v evince_v and_o our_o adversary_n seem_v to_o confess_v as_o much_o by_o devise_v this_o virtual_a extension_n to_o avoid_v the_o inconvenience_n to_o which_o he_o see_v his_o doctrine_n of_o rarefaction_n will_v otherwise_o plain_o appear_v expose_v but_o if_o it_o be_v say_v that_o when_o a_o atom_n be_v virtual_o extend_v its_o corporeal_a substance_n fill_v no_o more_o space_n than_o before_o this_o be_v but_o a_o verbal_a shift_n that_o may_v perhaps_o amuse_v a_o unwary_a reader_n but_o it_o will_v scarce_o satisfy_v a_o consider_v one_o for_o i_o demand_v how_o that_o which_o be_v not_o a_o substance_n can_v fill_v place_n and_o how_o this_o improper_a and_o but_o metaphorical_a extension_n will_v salve_v the_o phaenomena_n of_o rarefaction_n as_o how_o the_o half_a inch_n of_o air_n at_o the_o top_n of_o the_o forementioned_a globe_n shall_v without_o a_o corporeal_a extension_n fill_v the_o whole_a globe_n of_o two_o thousand_o time_n its_o bigness_n when_o the_o water_n be_v suck_v out_o of_o it_o and_o act_n at_o the_o low_a part_n of_o the_o globe_n which_o last_o clause_n i_o therefore_o add_v because_o not_o only_o our_o author_n teach_v pag._n 91._o and_o 92._o that_o the_o whole_a globe_n be_v fill_v with_o a_o certain_a thin_a substance_n which_o by_o its_o contraction_n violent_o snatch_v up_o the_o water_n into_o which_o the_o neck_n of_o the_o glass_n be_v immerse_v but_o in_o a_o parallel_n case_n he_o make_v it_o his_o grand_a argument_n to_o prove_v that_o there_o be_v no_o vacuum_n in_o the_o desert_a part_n of_o the_o tube_n in_o the_o torricellian_a experiment_n that_o the_o attraction_n of_o the_o finger_n can_v be_v perform_v 5._o but_o by_o some_o real_a
of_o they_o deserve_v better_a principle_n these_o error_n be_v chief_o recommend_v by_o the_o opinion_n they_o have_v of_o mr._n hobbs_n demonstrative_a way_n of_o philosophy_n it_o may_v possible_o prove_v some_o service_n to_o high_a truth_n than_o those_o in_o controversy_n between_o he_o and_o i_o to_o show_v that_o in_o the_o physics_n themselves_o his_o opinion_n and_o even_o his_o ratiocination_n have_v no_o such_o great_a advantage_n over_o those_o of_o some_o orthodox_n christian_n naturalist_n but_o for_o all_o this_o as_o little_a as_o i_o will_v grudge_v to_o write_v a_o much_o long_o than_o the_o follow_a discourse_n to_o do_v religion_n the_o least_o service_n yet_o think_v it_o fit_a to_o leave_v controversy_n of_o this_o kind_n to_o those_o who_o they_o more_o particular_o concern_v i_o shall_v scarce_o in_o the_o introduction_n to_o a_o dispute_n about_o the_o air_n have_v at_o all_o mention_v any_o thing_n of_o this_o nature_n but_o that_o mr._n hobbs_n in_o the_o preface_n to_o his_o dialogue_n be_v please_v though_o i_o know_v not_o to_o what_o purpose_n in_o that_o place_n to_o speak_v without_o limitation_n or_o distinction_n and_o consequent_o unwary_o enough_o at_o least_o of_o the_o thing_n say_v in_o the_o book_n of_o naturalist_n concern_v immaterial_a substance_n and_o sure_o some_o thing_n true_a at_o least_o that_o there_o be_v such_o being_n as_o well_o as_o some_o thing_n erroneous_a be_v there_o say_v though_o he_o have_v be_v by_o the_o learned_a dr._n more_o and_o other_o public_o accuse_v to_o have_v teach_v that_o it_o be_v absurd_a to_o believe_v that_o there_o either_o be_v or_o can_v be_v any_o which_o yet_o methinks_v he_o shall_v not_o do_v since_o elsewhere_o elsewhere_o and_o in_o this_o very_a dialogue_n he_o build_v several_a thing_n in_o his_o philosophy_n upon_o the_o creation_n of_o the_o world_n and_o a_o infinite_a power_n and_o how_o a_o thing_n material_a can_v create_v matter_n and_o have_v a_o infinite_a power_n i_o confess_v i_o do_v not_o understand_v i_o doubt_v not_o but_o critical_a reader_n will_v think_v i_o may_v have_v except_v against_o many_o more_o particular_n in_o mr._n hobbs_n book_n than_o i_o have_v examine_v and_o indeed_o about_o this_o i_o dare_v not_o contend_v with_o they_o for_o beside_o that_o i_o may_v through_o haste_n and_o indisposedness_n to_o quarrel_n have_v over-seen_a several_a thing_n which_o a_o eye_n either_o severe_a or_o more_o attentive_a will_v have_v observe_v i_o purposely_o past_a by_o divers_a thing_n i_o do_v not_o altogether_o overlook_a partly_o because_o i_o think_v it_o needless_a to_o question_v they_o have_v no_o want_n of_o other_o objection_n and_o partly_o because_o i_o can_v not_o do_v so_o in_o few_o word_n and_o be_v loath_a to_o engage_v in_o needless_a and_o long-winded_a dispute_n and_o perhaps_o i_o be_v too_o weary_a of_o my_o employment_n to_o be_v willing_a to_o spend_v many_o word_n when_o i_o can_v safe_o spare_v they_o and_o though_o other_o will_n possible_o think_v it_o strange_a that_o a_o member_n of_o the_o society_n he_o be_v so_o severe_a to_o shall_v not_o take_v notice_n of_o such_o passage_n as_o these_o nam_fw-la conveniant_fw-la say_v he_o speak_v of_o the_o virtuoso_n that_o meet_v at_o gresham_n college_n studia_fw-la conferant_fw-la experimenta_fw-la faciant_fw-la quantum_fw-la volunt_fw-la nisi_fw-la &_o principiis_fw-la utantur_fw-la meis_fw-la nihil_fw-la proficient_a and_o again_o nae_fw-la illi_fw-la quae_fw-la dicerent_fw-la non_fw-la videntur_fw-la cogitasse_fw-la sed_fw-la sortitos_fw-la esse_fw-la and_o elsewhere_o conjicere_fw-la hinc_fw-la licet_fw-la quam_fw-la sint_fw-la boni_fw-la ratiocinatores_fw-la &_o quae_fw-la sit_fw-la ab_fw-la illis_fw-la expect_v and_o a_o philosophia_fw-la naturalis_fw-la and_o to_o trouble_v you_o no_o more_o ad_fw-la causas_fw-la autem_fw-la propter_fw-la quas_fw-la proficere_fw-la ne_fw-la paululum_fw-la quidem_fw-la potuistis_fw-la nec_fw-la poteritis_fw-la accedunt_fw-la etiam_fw-la alia_fw-la ut_fw-la odium_fw-la hobbii_n quia_fw-la nimium_fw-la liberè_fw-la scripserat_fw-la de_fw-la academiis_fw-la veritatem_fw-la nam_fw-la ex_fw-la eo_fw-la tempore_fw-la irati_fw-la physici_fw-la &_o mathematici_fw-la veritatem_fw-la ab_fw-la eo_fw-la venientem_fw-la non_fw-la recepturos_fw-la se_fw-la palam_fw-la professi_fw-la sunt_fw-la though_o as_o i_o say_v some_o may_v wonder_v i_o shall_v silent_o pretermit_v such_o passage_n as_o these_o yet_o beside_o what_o i_o elsewhere_o say_v by_o way_n of_o account_n of_o my_o so_o do_v i_o shall_v here_o tell_v they_o that_o i_o presume_v some_o sort_n of_o reader_n will_v more_o easy_o pardon_v i_o for_o neglect_v such_o expression_n than_o they_o will_v mr._n hobbs_n for_o use_v they_o and_o i_o confess_v i_o think_v i_o shall_v find_v it_o more_o easy_a to_o say_v nothing_o at_o all_o to_o such_o passage_n than_o say_v any_o thing_n without_o say_v somewhat_o that_o will_v offend_v a_o person_n that_o can_v allow_v himself_o to_o say_v such_o thing_n though_o i_o ignore_v not_o that_o divers_a reader_n will_v much_o the_o less_o relish_v the_o follow_a discourse_n for_o my_o have_v perchance_o not_o altogether_o for_o want_v of_o know_v how_o to_o write_v otherwise_o forbear_v to_o furnish_v it_o with_o quick_a and_o smart_a expression_n which_o be_v wont_a to_o be_v employ_v in_o dispute_n to_o expose_v or_o depreciate_v a_o adversary_n person_n or_o cause_n and_o which_o be_v usual_o not_o the_o least_o thing_n that_o serve_v to_o amuse_v such_o reader_n and_o engage_v their_o attention_n but_o i_o fear_v i_o have_v much_o less_o need_n to_o make_v excuse_n for_o my_o omission_n than_o for_o have_v in_o the_o follow_a examen_fw-la ben_z reduce_v by_o the_o nature_n of_o my_o task_n to_o say_v so_o many_o thing_n which_o intelligent_a reader_n need_v not_o be_v teach_v by_o i_o and_o therefore_o such_o shall_v have_v my_o consent_n to_o skip_v if_o they_o please_v the_o whole_a discourse_n which_o though_o i_o can_v scarce_o upon_o such_o a_o occasion_n make_v a_o very_a instructive_a one_o yet_o if_o they_o will_v be_v please_v to_o forgive_v i_o its_o barrenness_n i_o hope_v hereafter_o to_o avoid_v the_o like_a temptation_n of_o write_v again_o at_o the_o like_a rate_n and_o have_v say_v thus_o much_o as_o to_o the_o reason_n of_o my_o pen_n the_o follow_a discourse_n i_o must_v add_v something_o though_o but_o little_a touch_v the_o manner_n of_o it_o wherein_o i_o hope_v i_o have_v not_o much_o if_o at_o all_o swerve_v from_o what_o i_o propose_v to_o myself_o namely_o to_o give_v a_o example_n of_o dispute_v in_o print_n against_o a_o provoke_v though_o unprovoke_v adversary_n without_o bitterness_n and_o incivility_n and_o without_o pursue_v those_o thing_n which_o how_o much_o more_o soever_o they_o belong_v to_o the_o person_n of_o a_o antagonist_n than_o to_o his_o cause_n be_v wont_a to_o make_v up_o a_o great_a part_n if_o not_o the_o great_a of_o book_n divulge_v on_o such_o occasion_n but_o since_o i_o intend_v what_o i_o write_v for_o intelligent_a and_o ingenious_a reader_n i_o dare_v expect_v that_o my_o forbear_n to_o insist_v on_o such_o thing_n as_o i_o judge_v whole_o extrinsical_a to_o the_o opinion_n and_o argument_n i_o examine_v will_v be_v ascribe_v to_o the_o true_a cause_n that_o my_o discourse_n will_v not_o be_v think_v to_o have_v the_o less_o of_o reason_n for_o have_v the_o less_o of_o passion_n and_o especial_o that_o my_o silence_n as_o to_o those_o thing_n that_o be_v speak_v to_o the_o disparagement_n of_o the_o illustrious_a company_n that_o meet_v at_o gresham_n college_n will_v be_v look_v upon_o only_a as_o a_o effect_n of_o my_o judge_v it_o fit_a to_o leave_v they_o the_o full_a liberty_n to_o right_v themselves_o if_o they_o think_v it_o worth_a while_n by_o some_o better_a pen_n than_o i_o and_o if_o mr._n hobbs_n think_v fit_a to_o say_v any_o thing_n to_o the_o follow_a discourse_n it_o will_v not_o be_v amiss_o that_o his_o reply_n be_v as_o inoffensive_a as_o i_o have_v endeavour_v to_o make_v my_o examen_fw-la for_o have_v dispatch_v as_o much_o as_o i_o think_v requisite_a to_o say_v of_o this_o controversy_n myself_o and_o have_v other_o and_o i_o hope_v better_a employment_n for_o my_o leisure_n hour_n if_o i_o can_v get_v any_o i_o must_v leave_v the_o further_a dispute_n if_o any_o shall_v arise_v to_o be_v manage_v by_o other_o who_o if_o mr._n hobbs_n refuse_v to_o imitate_v my_o way_n of_o writing_n will_v possible_o make_v no_o scruple_n to_o imitate_v he_o and_o put_v he_o in_o mind_n of_o that_o law_n of_o vespasian_n upon_o which_o himself_o will_v be_v think_v to_o ground_v that_o heap_n of_o strange_a title_n he_o bestow_v upon_o the_o two_o learned_a savilian_a 64._o professor_n that_o it_o be_v unlawful_a to_o give_v ill_a language_n first_o but_o civil_a and_o lawful_a to_o return_v it_o i_o have_v but_o one_o thing_n more_o to_o add_v which_o be_v that_o i_o will_v not_o be_v so_o
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
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