remark_n upon_o two_o late_a ingenious_a discourse_n the_o one_o a_o essay_n touch_v the_o gravitation_n and_o non-gravitation_a of_o fluid_a body_n the_o other_o observation_n touch_v the_o torricellian_a experiment_n so_o far_o forth_o as_o they_o may_v concern_v any_o passage_n in_o his_o enchiridium_fw-la metaphysicum_fw-la by_o d_o r_o henry_n more_o 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d aristot._n london_n print_v for_o walter_n kettilby_n at_o the_o bishop_n head_n in_o saint_n to_o paul_n churchyard_n 1676._o imprimatur_fw-la antonius_n saunders_n exit_fw-la edibus_fw-la lamberhanis_fw-la novemb_n 13._o 1675._o the_o preface_n reader_n i_o have_v not_o give_v thou_o the_o trouble_n of_o a_o preface_n be_v it_o not_o for_o apologize_v for_o a_o phrase_n which_o i_o observe_v something_o frequent_o to_o occur_v in_o my_o remark_n which_o may_v seem_v to_o thou_o huge_o paradoxical_a if_o not_o very_o absurd_a it_o be_v gravitation_n upward_o i_o make_v use_v of_o it_o in_o imitation_n of_o the_o learned_a author_n upon_o who_o discourse_n i_o make_v my_o remark_n wherefore_o that_o thou_o may_v the_o better_o discern_v how_o allowable_a or_o disallowable_a this_o form_n of_o speech_n be_v and_o that_o i_o may_v withal_o offer_v to_o thou_o that_o which_o may_v perhaps_o tend_v to_o the_o better_a open_v thy_o understanding_n in_o hydrostatical_a theory_n i_o will_v lay_v down_o a_o simple_a hypothesis_n for_o the_o illustrate_v that_o natural_a poise_n libration_n or_o gravitation_n that_o philosopher_n suppose_v they_o discover_v in_o the_o fluid_a matter_n of_o this_o our_o terrestrial_a world_n first_o therefore_o let_v we_o imagine_v our_o earth_n environ_v only_o with_o the_o materia_fw-la subtilis_fw-la that_o des_n cartes_n have_v so_o curious_o describe_v or_o more_o plain_o and_o intelligible_o with_o the_o pure_a subtle_a aether_n which_o be_v a_o liquid_a body_n of_o that_o subtlety_n that_o it_o will_v with_o ease_n penetrate_v all_o body_n in_o some_o measure_n but_o abundant_o the_o pore_n of_o glass_n second_o let_v we_o consider_v that_o a_o hailshot_a gravel_n quicksilver_n and_o the_o like_a may_v be_v poize_v in_o water_n and_o corn_n chaff_n curran_n powder_n and_o such_o like_a in_o the_o air_n and_o that_o they_o will_v subside_o or_o weigh_v one_o against_o another_o in_o the_o say_a element_n so_o the_o particle_n of_o these_o element_n themselves_o water_n and_o air_n and_o the_o vapour_n therein_o be_v as_o it_o be_v weigh_v or_o poize_v in_o this_o more_o universal_a liquidum_fw-la of_o the_o aether_n three_o that_o the_o particle_n of_o quicksilver_n water_n vapour_n air_n and_o in_o brief_a what_o ever_o be_v contain_v in_o that_o which_o they_o call_v the_o atmosphere_n if_o there_o be_v no_o let_v nor_o new_a emergent_a mutation_n be_v in_o this_o poize_n place_v according_a to_o their_o solidity_n chief_o of_o the_o very_a particle_n they_o do_v consist_v suppose_v air_n water_n quicksilver_n according_a as_o i_o have_v declare_v in_o my_o first_o hydrostatical_a axiom_n enchirid._n metaphys_n cap._n 13._o sect_n 10._o four_o that_o in_o some_o sense_n all_o the_o part_n and_o particle_n of_o the_o atmosphere_n even_o the_o thin_a air_n at_o the_o convexity_n thereof_o be_v heavy_a namely_o thus_o that_o if_o they_o be_v upon_o some_o occasion_n raise_v high_a than_o the_o convexity_n those_o thin_a part_n of_o air_n will_v descend_v again_o to_o the_o say_a convexity_n as_o sure_a as_o the_o vapour_n do_v in_o dew_n on_o the_o grass_n or_o raise_v dust_n do_v upon_o any_o pavement_n or_o floor_n five_o that_o this_o we_o call_v heaviness_n be_v nothing_o else_o but_o a_o capacity_n in_o the_o part_n or_o particle_n of_o the_o atmosphere_n to_o be_v place_v according_a to_o their_o solidity_n by_o that_o what_o ever_o it_o be_v that_o move_v they_o or_o dispose_v they_o six_o that_o when_o these_o particle_n of_o fluid_n in_o the_o atmosphere_n be_v so_o dispose_v with_o regard_n to_o their_o different_a solidity_n as_o be_v according_a to_o the_o law_n of_o this_o move_a principle_n they_o press_v not_o then_o on_o one_o another_o but_z as_o to_o any_o actual_a gravitation_n on_o one_o another_o they_o be_v at_o rest_n seven_o this_o diversity_n of_o solidity_n in_o the_o particle_n be_v the_o cause_n why_o we_o see_v element_n and_o liquid_n in_o such_o different_a place_n and_o of_o such_o different_a consistency_n as_o quicksilver_n below_o water_n water_z below_z air_n the_o thick_a air_n below_o the_o thin_a and_o their_o consistency_n according_o eight_o that_o the_o more_o solid_a the_o particle_n be_v in_o fluid_n the_o more_o strong_a their_o consistency_n be_v as_o well_o as_o they_o be_v thereby_o more_o heavy_a nine_o that_o as_o the_o move_a or_o dispose_v principle_n bring_v the_o several_a liquid_n to_o such_o various_a difference_n of_o consistency_n by_o a_o positive_a action_n so_o it_o keep_v they_o in_o the_o same_o consistency_n by_o a_o like_a positive_a action_n or_o force_n though_o upon_o occasion_n mutable_a or_o vincible_a ten_o that_o there_o may_v be_v a_o very_a strong_a consistency_n in_o liquid_n without_o any_o elasticity_n or_o springiness_n at_o all_o as_o in_o quicksilver_n and_o water_n which_o be_v not_o compressible_a elevent_o that_o there_o may_v be_v a_o compressible_a consistency_n considerable_o strong_a where_o there_o be_v little_a or_o no_o elasticity_n of_o part_n a_o thing_n easy_o discernible_a in_o the_o wring_n or_o press_v in_o a_o man_n hand_n a_o wet_a handkerchief_n and_o of_o such_o a_o compressible_a consistency_n may_v be_v our_o low_a air_n stuff_v with_o thick_a vapour_n as_o also_o consist_v of_o the_o grosser_n aëreal_a particle_n twelve_o that_o all_o poizing_n suspension_n or_o libration_n of_o heavy_a liquid_a body_n be_v not_o by_o a_o mere_a counterpoise_n of_o perpendicular_a pressure_n of_o another_o body_n but_o may_v be_v by_o the_o firmness_n or_o force_n of_o its_o consistency_n i_o speak_v this_o in_o reference_n to_o the_o torricellian_a experiment_n and_o the_o stand_n of_o the_o water_n in_o pump_n and_o syringe_n which_o be_v thus_o solve_v with_o the_o great_a ease_n and_o intelligibleness_n that_o may_v be_v by_o suppose_v so_o strong_a a_o consistency_n in_o this_o low_a air_n that_o the_o firmness_n thereof_o will_v resist_v the_o weight_n of_o suppose_v 29_o inch_n of_o mercury_n in_o a_o tube_n or_o of_o 34_o foot_n of_o water_n in_o a_o pump_n but_o will_v be_v break_v by_o the_o weight_n of_o 30_o or_o 31_o inch_n of_o mercury_n and_o 35_o or_o 36_o foot_n of_o water_n and_o suffer_v compression_n to_o the_o let_v in_o the_o subtle_a liquidum_fw-la or_o aether_n in_o which_o the_o whole_a atmosphere_n be_v poize_v into_o the_o glass_n or_o pump_n whereby_o the_o mercury_n or_o water_n be_v make_v capable_a to_o descend_v and_o 29_o inch_n of_o mercury_n be_v of_o one_o weight_n with_o 34_o foot_n of_o water_n in_o a_o tube_n of_o the_o same_o diameter_n it_o be_v plain_a that_o this_o be_v the_o poise_n that_o equal_v either_o the_o firmness_n of_o consistency_n or_o else_o the_o weight_n of_o the_o air._n thirteen_o but_o here_o now_o i_o say_v lie_v the_o curiosity_n of_o the_o theory_n whether_o this_o suspension_n suppose_v of_o the_o mercury_n in_o the_o tube_n be_v to_o be_v conceive_v to_o be_v by_o perpendicular_a pressure_n or_o actual_a gravitation_n of_o the_o air_n upon_o the_o restagnant_fw-la mercury_n or_o else_o as_o i_o intimate_v before_o by_o the_o firmness_n of_o its_o consistency_n it_o be_v not_o compressible_a by_o no_o great_a weight_n than_o that_o of_o 29_o inch_n of_o mercury_n and_o so_o there_o be_v no_o vacuum_n nor_o penetration_n of_o dimension_n the_o circle_n of_o motion_n be_v necessary_o stop_v and_o the_o mercury_n stand_v at_o that_o pitch_n to_o which_o i_o conceive_v be_v most_o safe_o answer_v that_o when_o the_o mercury_n be_v fall_v to_o 29_o inch_n that_o there_o be_v a_o kind_n of_o libration_n betwixt_o the_o air_n joint_o with_o the_o restagnant_fw-la mercury_n and_o the_o mercury_n in_o the_o tube_n for_o upon_o the_o infuse_v of_o water_n upon_o the_o restagnant_fw-la mercury_n that_o in_o the_o tube_n will_v proportionable_o ascend_v and_o this_o the_o learned_a author_n upon_o who_o i_o make_v the_o remark_n will_v call_v gravitation_n upward_o because_o its_o tendency_n be_v towards_o that_o more_o subtle_a matter_n in_o the_o derelicted_a space_n in_o the_o glass_n and_o this_o libration_n be_v not_o much_o unlike_o that_o in_o a_o siphon_n with_o one_o leg_n much_o high_a than_o another_o into_o which_o put_v some_o quicksilver_n which_o will_v present_o poise_v itself_o into_o a_o equality_n in_o each_o shank_n if_o you_o pour_v water_n into_o the_o long_a shank_n the_o quicksilver_n in_o the_o other_o will_v ascend_v according_o which_o be_v again_o a_o kind_n of_o gravitation_n upward_o against_o the_o thin_a air_n and_o answer_n to_o the_o
as_o much_o in_o weight_n as_o that_o of_o the_o mercury_n in_o the_o tube_n which_o be_v a_o very_a gross_a absurdity_n remark_n the_o twenty_o three_o and_o as_o weak_a a_o subterfuge_n be_v that_o whereby_o they_o will_v elude_v this_o answer_n namely_o by_o pretend_v that_o the_o glass-tube_n be_v a_o body_n specifical_o light_a than_o mercury_n be_v itself_o sustain_v by_o the_o restagnant_fw-la mercury_n as_o if_o that_o break_v the_o force_n of_o the_o column_n of_o air_n that_o press_v 9_o time_n as_o strong_a on_o the_o head_n of_o the_o tube_n as_o the_o other_o column_n of_o air_n on_o the_o restagnant_fw-la quicksilver_n when-as_a it_o be_v a_o thing_n plain_o prodigious_a that_o a_o single_a force_n shall_v keep_v mercury_n 29_o inch_n and_o 1_o 2_o above_o the_o surface_n of_o the_o restagnant_fw-la mercury_n up_o in_o the_o air_n though_o it_o be_v i_o know_v not_o how_o many_o thousand_o time_n light_a than_o mercury_n and_o yet_o that_o the_o glass_n shall_v not_o be_v keep_v down_o 6_o inch_n under_o the_o surface_n of_o the_o restagnant_fw-la mercury_n though_o not_o fourteen_o time_n heavy_a than_o glass_n by_o a_o force_n nine_o time_n as_o great_a as_o the_o former_a remark_n the_o twenty_o four_o but_o the_o author_n do_v very_o handsome_o meet_v with_o all_o such_o elusion_n by_o two_o neat_a experiment_n the_o one_o be_v of_o a_o glass-tube_n the_o diameter_n of_o who_o cavity_n be_v 48_o the_o diameter_n of_o the_o whole_a 58_o of_o a_o inch_n the_o length_n 18_o inch_n the_o weight_n thereof_o in_o the_o air_n 2_o ounce_n 34_o the_o water_n it_o will_v contain_v near_o 1_o ounce_n 34_o this_o tube_n tie_v at_o the_o close_a end_n to_o the_o scale_n of_o a_o balance_n and_o be_v fill_v with_o water_n and_o stop_v with_o one_o finger_n and_o so_o let_v down_o into_o water_n and_o so_o settle_v there_o as_o that_o the_o low_a end_n be_v near_o about_o a_o quarter_n of_o a_o inch_n from_o the_o surface_n there_o be_v require_v in_o the_o opposite_a scale_n four_o ounce_n and_o 12_o which_o be_v equal_a to_o the_o weight_n of_o the_o water_n and_o tube_n together_o to_o hold_v the_o tube_n in_o a_o aequilibrium_fw-la and_o here_o the_o glass-tube_n be_v not_o hold_v up_o by_o the_o restagnant_fw-la water_n the_o glass_n be_v so_o heavy_a that_o it_o will_v sink_v to_o the_o bottom_n as_o be_v a_o body_n specifical_o heavy_a than_o water_n wherefore_o this_o aequilibrium_fw-la be_v from_o hence_o according_a to_o the_o principle_n of_o those_o that_o hold_v the_o pressure_n of_o the_o atmosphere_n either_o because_o the_o tube_n and_o the_o water_n joint_o do_v weigh_v against_o the_o weight_n in_o the_o other_o scale_n or_o because_o the_o column_n of_o air_n on_o the_o head_n of_o the_o tube_n with_o the_o tube_n weigh_v against_o they_o this_o second_o be_v impossible_a for_o as_o much_o as_o the_o diameter_n of_o that_o column_n be_v five_o such_o part_n as_o the_o diameter_n of_o the_o column_n of_o water_n in_o the_o tube_n and_o that_o of_o air_n on_o the_o restagnant_fw-la water_n be_v four_o and_o therefore_o will_v press_v at_o least_o half_a as_o much_o again_o as_o the_o water_n in_o the_o tube_n namely_o in_o the_o proportion_n of_o 25_o to_o 16_o which_o the_o scale_n discover_v to_o be_v false_a for_o there_o be_v only_o one_o ounce_n â—_o 4_o add_v to_o the_o two_o ounce_n 3_o â—_o not_o 1_o â—_o 3_o 2_o of_o a_o ounce_n more_o it_o remain_v that_o it_o be_v the_o water_n with_o the_o tube_n joint_o that_o weigh_v against_o the_o weight_n in_o the_o other_o scale_n for_o as_o much_o as_o the_o restagnant_fw-la water_n do_v not_o hinder_v the_o tube_n from_o whence_o it_o follow_v that_o the_o water_n in_o the_o tube_n be_v not_o sustain_v by_o any_o column_n of_o air_n on_o the_o restagnant_fw-la water_n which_o will_v be_v more_o apparent_a in_o the_o other_o experiment_n which_o be_v this_o he_o take_v suppose_v the_o same_o tube_n heat_v it_o very_o hot_a and_o hang_v the_o close_a end_n upon_o one_o scale_n of_o a_o balance_n and_o let_v the_o open_a end_n sink_v a_o little_a into_o a_o vessel_n of_o water_n and_o counterpoize_v it_o in_o the_o other_o scale_n with_o 2_o ounce_n 3_o â—_o the_o weight_n the_o empty_a tube_n weigh_v in_o the_o air_n which_o because_o the_o end_n of_o it_o do_v little_o more_o than_o touch_v the_o water_n it_o still_o retain_v but_o within_o the_o space_n of_o half_a a_o quarter_n of_o a_o hour_n the_o tube_n be_v fill_v 12_o inch_n of_o its_o 18_o with_o water_n which_o 12_o inch_n of_o water_n be_v find_v to_o weigh_v one_o ounce_n and_o ¼_n and_o one_o ounce_n and_o ¼_n more_o put_v in_o the_o opposite_a scale_n and_o the_o scale_n hold_v so_o that_o the_o tube_n may_v only_o touch_v the_o surface_n of_o the_o water_n the_o tube_n with_o the_o 12_o inch_n of_o water_n in_o it_o be_v find_v to_o weigh_v just_a 4_o ounce_n now_o therefore_o since_o the_o tube_n can_v weigh_v no_o more_o if_o so_o much_o on_o the_o top_n of_o the_o water_n than_o it_o do_v when_o it_o be_v hang_v only_o in_o the_o air_n for_o the_o pillar_n of_o air_n incumbent_n on_o the_o top_n of_o the_o tube_n be_v the_o same_o in_o both_o case_n it_o be_v manifest_a against_o the_o principle_n of_o those_o that_o hold_v the_o pressure_n of_o the_o atmosphere_n that_o the_o water_n in_o the_o tube_n weigh_v its_o part_n namely_o one_o ounce_n and_o ¼_n to_o make_v the_o weight_n 4_o ounce_n and_o consequent_o that_o the_o water_n in_o the_o tube_n be_v not_o sustain_v by_o any_o pressure_n of_o a_o pillar_n of_o air_n incumbent_n on_o the_o restagnant_fw-la water_n remark_n the_o twenty_o five_o that_o also_o be_v a_o ingenious_a demonstration_n against_o the_o opinion_n of_o the_o pressure_n of_o atmospherical_a cylinder_n p._n 175._o l._n 9_o namely_o the_o invert_v a_o glass-tube_n of_o quicksilver_n suppose_v of_o a_o diameter_n of_o 9_o such_o part_n as_o the_o vessel_n diameter_n of_o restagnant_fw-la quicksilver_n be_v 10._o so_o that_o it_o may_v be_v apparent_a that_o the_o rim_z or_o round_a superficies_n of_o the_o restagnant_fw-la mercury_n in_o the_o vessel_n be_v not_o a_o full_a four_o part_n of_o the_o area_n of_o the_o mercurial_a cylinder_n in_o the_o tube_n and_o yet_o the_o mercury_n in_o the_o tube_n will_v be_v sustain_v as_o in_o other_o case_n which_o therefore_o can_v be_v from_o the_o pressure_n of_o the_o air_n on_o the_o restagnant_fw-la mercury_n the_o superficies_n thereof_o be_v less_o than_o one_o four_o part_n to_o the_o area_n of_o the_o cylinder_n of_o mercury_n remark_n the_o twenty_o six_o and_o this_o last_o instance_n sure_o be_v no_o wise_a to_o be_v contemn_v that_o the_o torricellian_a experiment_n will_v succeed_v as_o well_o in_o a_o great_a receiver_n as_o in_o the_o open_a air_n when-as_a notwithstanding_o there_o can_v be_v no_o atmospherical_a column_n on_o the_o restagnant_fw-la mercury_n in_o the_o receiver_n nor_o be_v there_o any_o refuge_n here_o to_o the_o elasticity_n of_o the_o air_n p._n 186._o because_o that_o suppose_v the_o gravitation_n thereof_o which_o have_v be_v so_o plain_o disprove_v by_o the_o author_n not_o only_o by_o these_o last_o experiment_n but_o in_o his_o 6._o chapter_n and_o particular_o by_o the_o two_o brass_n cylinder_v weigh_v in_o water_n of_o diameter_n of_o a_o double_a proportion_n one_o to_o another_o and_o the_o one_o side_n of_o a_o quadruple_a to_o the_o other_o for_o thing_n be_v so_o contrive_v that_o a_o column_n of_o air_n of_o two_o inch_n diameter_n press_v on_o the_o one_o and_o not_o a_o quarter_n of_o a_o inch_n diameter_n on_o the_o other_o the_o cylinder_v yet_o shall_v be_v equiponderant_a in_o the_o water_n the_o experiment_n there_o have_v a_o threefold_a improvement_n and_o the_o very_a first_o strong_o enough_o consider_v there_o be_v no_o elasticity_n or_o rebound_v in_o the_o water_n see_v p._n 75._o l._n 4._o though_o the_o author_n fancy_n there_o be_v and_o that_o equal_a weight_n press_v by_o unequal_a force_n the_o strong_a must_v prevail_v and_o moreover_o if_o this_o elasticity_n of_o the_o air_n be_v admit_v he_o do_v not_o unskilful_o urge_v that_o every_o part_n of_o the_o include_v air_n do_v act_n so_o equal_o in_o a_o manner_n against_o every_o part_n every_o way_n that_o there_o be_v a_o suspension_n of_o the_o pressure_n any_o way_n to_o any_o effect_n etc._n etc._n p._n 194._o l._n 23._o upon_o chapter_n the_o thirteen_o remark_n the_o twenty_o seven_o that_o experiment_n also_o of_o the_o bottle_n and_o the_o bolts-head_n be_v notable_o level_v against_o the_o elasticity_n of_o the_o air_n p._n 196._o l._n 22._o that_o a_o bolts-head_n sound_o heat_v and_o place_v upon_o a_o glass-bottle_n with_o some_o fix_v ounce_n of_o water_n in_o
it_o will_v sustain_v 10_o l._n of_o mercury_n 29_o inch_n high_a that_o there_o be_v no_o such_o elasticity_n at_o all_o the_o conclusion_n errata_fw-la sic_fw-la corrige_n page_z 9_o line_n 21._o read_v body_n p._n 37._o l._n 17_o r._n intrinsecalness_n p._n 107._o l._n 21._o r._n tube_n p._n 146._o l._n 6._o r._n order_v p._n 177._o l._n 1._o l._n r._n considerate_a remark_n upon_o two_o late_a ingenious_a discourse_n the_o one_o a_o essay_n touch_v the_o gravitation_n and_o non-gravitation_a of_o fluid_a body_n the_o other_z observation_n touch_v the_o torricellian_a experiment_n on_o the_o essay_n touch_v the_o gravitation_n or_o non-gravitation_a of_o fluid_a body_n etc._n etc._n upon_o chapter_n the_o second_o the_o first_o remark_n in_o this_o chapter_n there_o be_v thing_n say_v that_o be_v repugnant_a one_o to_o another_o for_o in_o the_o very_a entrance_n of_o the_o chapter_n the_o learned_a author_n assert_n that_o gravity_n be_v a_o intrinsical_a quality_n of_o body_n whereby_o they_o tend_v downward_o to_o or_o towards_o the_o centre_n of_o the_o earth_n and_o yet_o afterward_o towards_o the_o end_n of_o the_o chapter_n he_o affirm_v that_o fire_n may_v right_o be_v say_v to_o gravitate_fw-la upward_o etc._n etc._n now_o if_o that_o definition_n be_v true_a that_o gravity_n be_v a_o intrinsical_a quality_n of_o body_n whereby_o they_o tend_v towards_o the_o centre_n of_o the_o earth_n whether_o by_o gravity_n be_v understand_v a_o faculty_n or_o capacity_n of_o so_o tend_v or_o the_o actual_a exercise_n thereof_o we_o can_v avoid_v a_o repugnancy_n for_o if_o a_o actual_a exercise_n thereof_o be_v understand_v that_o be_v gravitation_n which_o here_o be_v affirm_v to_o be_v the_o tend_v downward_o of_o body_n towards_o the_o centre_n of_o the_o earth_n it_o be_v a_o contradiction_n that_o the_o tendency_n of_o they_o upward_o shall_v be_v gravitation_n but_o rather_o levitation_n but_o if_o by_o gravity_n be_v understand_v only_o their_o capacity_n of_o tend_v downward_o to_o the_o centre_n yet_o the_o actuality_n thereof_o will_v be_v gravitation_n as_o that_o of_o levity_n levitation_n and_o therefore_o according_a to_o this_o notion_n of_o gravity_n can_v be_v only_o downward_o when_o as_o the_o learned_a author_n after_o assert_n that_o gravitation_n be_v also_o upward_o which_o i_o say_v seem_v a_o contradiction_n but_o i_o rather_o interpret_v it_o a_o emendation_n of_o his_o former_a assertion_n and_o by_o after_o affirm_v that_o gravitation_n be_v upward_o as_o well_o as_o downward_o that_o he_o will_v insinuate_v that_o it_o be_v real_o and_o in_o truth_n against_o that_o sense_n that_o gravity_n and_o gravitation_n be_v understand_v in_o the_o school_n as_o well_o upward_o transverse_a oblique_a as_o downward_o there_o be_v no_o way_n such_o gravity_n or_o gravitation_n as_o the_o school_n dream_v of_o that_o be_v from_o any_o inherent_a quality_n of_o the_o body_n itself_o that_o may_v be_v call_v gravity_n but_o that_o it_o be_v a_o mere_a idolum_fw-la fori_fw-la as_o my_o lord_n verulam_n will_v call_v it_o a_o false_a notion_n stick_v to_o the_o vulgar_a use_n and_o sense_n of_o that_o word_n which_o i_o think_v this_o learned_a author_n do_v apert_o acknowledge_v and_o consequent_o explode_v that_o usual_a notion_n in_o these_o word_n where_o he_o say_v that_o gravitation_n be_v nothing_o else_o but_o motus_fw-la or_o nisus_n ad_fw-la motum_fw-la secundùm_fw-la lineam_fw-la directionis_fw-la ejusdem_fw-la and_o a_o little_a before_o that_o gravitation_n be_v nothing_o else_o but_o motion_n or_o at_o lest_o conatus_fw-la or_o nisus_n ad_fw-la motum_fw-la which_o in_o my_o judgement_n plain_o take_v away_o that_o false_a notion_n of_o gravity_n and_o gravitation_n entertain_v by_o the_o vulgar_a and_o the_o school_n for_o it_o as_o plain_o follow_v by_o deny_v all_o intrinsical_a nature_n to_o gravitation_n save_v motus_fw-la or_o nisus_fw-la ad_fw-la motum_fw-la that_o that_o scholastic_a gravitation_n or_o the_o specific_a nature_n thereof_o be_v take_v away_o as_o by_o deny_v that_o homo_fw-la be_v any_o thing_n but_o animal_n vitâ_fw-la sensúque_fw-la praeditum_fw-la will_v take_v away_o the_o specific_a nature_n of_o man_n out_o of_o the_o universe_n the_o first_o part_n therefore_o of_o this_o my_o first_o remark_n shall_v be_v that_o even_o according_a to_o the_o judgement_n of_o this_o learned_a author_n there_o be_v nothing_o in_o body_n but_o mobility_n and_o actual_a motus_fw-la or_o nisus_n ad_fw-la motum_fw-la however_o they_o may_v be_v disguise_v under_o the_o vulgar_a phrase_n of_o gravity_n and_o levity_n of_o gravitation_n or_o levitation_n etc._n etc._n second_o that_o the_o author_n though_o in_o process_n of_o his_o discourse_n he_o use_v these_o vulgar_a phrase_n of_o gravity_n and_o gravitation_n he_o be_v to_o remember_v that_o the_o true_a and_o philosophical_a sense_n of_o they_o be_v nothing_o else_o but_o mobility_n and_o actual_a motion_n or_o actual_a nisus_n ad_fw-la motum_fw-la which_o if_o it_o be_v consider_v in_o its_o direction_n towards_o the_o centre_n of_o the_o earth_n be_v more_o special_o note_v with_o the_o name_n of_o gravity_n or_o gravitation_n three_o that_o if_o we_o will_v cautious_o and_o severe_o philosophise_v we_o be_v not_o to_o imagine_v this_o actual_a motion_n or_o actual_a nisus_n ad_fw-la motum_fw-la to_o be_v in_o any_o body_n unless_o it_o be_v discover_v there_o to_o be_v by_o clear_a sense_n or_o reason_n but_o rather_o not_o to_o be_v when_o we_o have_v diligent_o use_v these_o two_o faculty_n for_o to_o discover_v they_o and_o yet_o they_o appear_v not_o four_o it_o be_v deprehensible_a neither_o by_o sense_n nor_o reason_n that_o because_o water_n for_o example_n will_v nimble_o run_v up_o a_o tube_n let_v down_o into_o water_n stop_v with_o one_o finger_n at_o the_o nether_a orifice_n and_o then_o open_v that_o there_o be_v before_o any_o actual_a motion_n upward_o in_o the_o water_n or_o any_o actual_a nisus_n ad_fw-la istiusmodi_fw-la motum_fw-la but_o that_o as_o to_o any_o such_o motion_n it_o be_v at_o rest_n five_o that_o if_o the_o quick_a run_v up_o of_o the_o water_n into_o such_o a_o tube_n be_v a_o solid_a argument_n of_o a_o actual_a nisus_n of_o the_o water_n upward_o even_o then_o when_o it_o have_v no_o such_o occasion_n to_o discover_v itself_o the_o quickness_n of_o the_o ascent_n of_o the_o water_n be_v so_o great_a and_o so_o equal_a to_o the_o descent_n of_o water_n in_o a_o crooked_a tube_n of_o water_n open_v at_o one_o end_n in_o the_o air_n after_o it_o be_v immerse_v into_o the_o water_n i_o mean_v the_o other_o orifice_n stop_v also_o with_o one_o finger_n and_o they_o open_v again_o when_o it_o be_v let_v down_o at_o a_o sufficient_a depth_n that_o the_o actual_a nisus_n of_o the_o water_n suspend_v suppose_v in_o a_o bucket_n downward_o and_o upward_o will_v be_v in_o a_o manner_n equal_a so_o that_o the_o water_n will_v have_v no_o weight_n at_o all_o in_o so_o much_o that_o another_o bucket_n of_o the_o same_o weight_n and_o size_n without_o any_o water_n in_o it_o will_v be_v equiponderant_a to_o it_o from_o whence_o sixthly_a and_o last_o it_o will_v follow_v that_o we_o find_v so_o great_a a_o weight_n from_o the_o water_n in_o the_o full_a bucket_n with_o a_o actual_a nisus_n downward_o there_o must_v be_v a_o be_v distinct_a from_o the_o water_n that_o direct_v its_o motion_n thitherward_o but_o this_o be_v a_o observation_n beyond_o my_o present_a scope_n the_o rest_n at_o least_o will_v be_v useful_a for_o the_o better_a understanding_n ourselves_o in_o our_o follow_a remark_n upon_o chapter_n the_o three_o the_o second_o remark_n in_o the_o beginning_n of_o this_o chapter_n the_o author_n seem_v to_o affirm_v that_o it_o belong_v to_o solid_a body_n as_o such_o to_o have_v a_o actual_a pressure_n or_o conatus_fw-la ad_fw-la motum_fw-la towards_o the_o centre_n of_o the_o earth_n but_o to_o fluid_n only_o as_o they_o be_v reducible_a to_o solid_n by_o be_v put_v into_o some_o vessel_n when_o as_o yet_o it_o be_v evident_a that_o some_o fluid_a body_n have_v a_o strong_a pressure_n towards_o the_o centre_n of_o the_o earth_n than_o many_o solid_a body_n thus_o bulk_n for_o bulk_n water_n press_v more_o strong_o towards_o the_o centre_n than_o most_o kind_n of_o wood_n and_o quicksilver_n than_o most_o kind_a of_o metal_n whence_o it_o be_v plain_a that_o gravity_n be_v not_o to_o be_v esteem_v from_o the_o fixedness_n of_o part_n but_o from_o the_o solidity_n of_o the_o particle_n which_o that_o principle_n that_o order_v matter_n range_v according_o remark_n the_o three_o that_o also_o i_o conceive_v be_v a_o mistake_n in_o that_o he_o say_v p._n 15._o l._n 3._o that_o though_o solid_a body_n do_v actual_o gravitate_fw-la yet_o the_o part_n thereof_o do_v not_o gravitate_fw-la one_o upon_o another_o because_o mutual_o and_o mechanical_o sustain_v one_o by_o another_o and_o in_o a_o state_n
and_o consequent_o the_o whole_a cylinder_n of_o water_n over_o the_o board_n gravitate_fw-la on_o it_o which_o shall_v be_v suppose_v 30_o time_n more_o than_o that_o hollow_o cylinder_n which_o be_v contain_v betwixt_o the_o convex_a of_o this_o cylinder_n of_o water_n and_o the_o concave_n of_o the_o bucket_n and_o yet_o shall_v the_o round_a board_n ascend_v this_o be_v plain_a enough_o already_o but_o if_o there_o can_v be_v any_o scruple_n i_o can_v so_o increase_v the_o proportion_n of_o the_o diameter_n of_o the_o bottom_n of_o the_o diameter_n of_o the_o bottom_n of_o the_o bucket_n to_o its_o height_n that_o the_o very_a remainder_n of_o the_o cone_n shall_v be_v suppose_v 30_o time_n big_a than_o the_o remainder_n of_o the_o vault_n that_o environ_n the_o cone_n beside_o 20._o other_o way_n by_o which_o this_o invention_n of_o the_o cone_n or_o cap_n in_o the_o subject_v body_n in_o the_o water_n will_v be_v plain_o deprehend_v to_o be_v only_o a_o witty_a invention_n upon_o chapter_n the_o five_o remark_n the_o ten_o those_o word_n p._n 30._o l._n 9_o that_o it_o be_v certain_a water_n have_v a_o intrinsical_a gravity_n of_o its_o own_o as_o it_o be_v a_o heavy_a body_n these_o word_n be_v the_o most_o clear_o understand_v whether_o they_o be_v true_a or_o false_a from_o what_o i_o think_v we_o be_v agree_v on_o in_o the_o first_o and_o second_o part_n of_o my_o first_o remark_n that_o gravity_n be_v nothing_o else_o but_o mobility_n and_o gravitation_n nothing_o else_o but_o motion_n or_o nisus_fw-la ad_fw-la motum_fw-la gravity_n therefore_o be_v nothing_o else_o but_o mobility_n or_o a_o capacity_n of_o be_v move_v downward_o this_o capacity_n be_v most_o certain_o in_o it_o intrinsical_o and_o indeed_o in_o all_o other_o body_n beside_o but_o if_o by_o gravity_n shall_v be_v understand_v such_o a_o principle_n in_o water_n or_o any_o heavy_a body_n else_o as_o by_o virtue_n whereof_o they_o will_v upon_o occasion_n move_v themselves_o downward_o that_o i_o make_v account_v not_o at_o all_o certain_a but_o raâ—â—er_n false_a remark_n the_o eleven_o water_n so_o long_o as_o water_n p._n 34._o l._n 21._o be_v ever_o in_o its_o fluid_a consistency_n and_o therefore_o sometime_o do_v gravitate_fw-la in_o its_o fluid_a consistency_n that_o be_v have_v a_o actual_a motion_n or_o a_o actual_a nisus_fw-la ad_fw-la motum_fw-la ad_fw-la centrum_fw-la terrae_fw-la but_o that_o pressure_n it_o seem_v to_o have_v p._n 35._o l._n 1._o upon_o quicksilver_n in_o a_o vessel_n be_v but_o ex_fw-la accidenti_fw-la towards_o the_o centre_n of_o the_o earth_n it_o aim_v at_o the_o thin_a matter_n in_o the_o torricellian_a tube_n or_o rather_o to_o reduce_v the_o matter_n to_o a_o due_a aequilibrium_fw-la nor_o do_v it_o press_v upon_o the_o quicksilver_n but_o with_o it_o and_o vis_fw-la unita_fw-la fortior_fw-la as_o appear_v by_o the_o rise_n of_o the_o mercury_n in_o the_o glass_n upon_o chapter_n the_o six_o remark_n the_o twelve_o that_o a_o bucket_n of_o water_n shall_v be_v as_o much_o one_o continue_a body_n as_o a_o bucket_n of_o pitch_n or_o wax_n be_v a_o i_o a_o paradox_n p._n 42._o l._n 10._o this_o can_v be_v unless_o the_o water_n be_v freeze_v and_o pitch_n and_o wax_v and_o butter_n and_o ice_n apply_v to_o the_o fire_n and_o so_o have_v their_o part_n put_v upon_o motion_n and_o thereby_o be_v make_v fluid_a show_v plain_o the_o nature_n of_o fluidity_n that_o it_o consist_v in_o smallness_n of_o part_n and_o the_o slippery_a motion_n of_o they_o one_o by_o another_o which_o in_o water_n be_v very_o eminent_a and_o their_o discontinuity_n be_v notable_o discernible_a also_o in_o that_o they_o be_v so_o exhalable_a by_o the_o sun_n and_o do_v so_o easy_o convey_v themselves_o into_o pile_n of_o wool_n a_o vessel_n of_o water_n place_v in_o the_o room_n if_o that_o experiment_n be_v true_a as_o i_o never_o hear_v it_o contradict_v remark_n the_o thirteen_o i_o only_o take_v notice_n here_o p._n 42._o l._n 14._o that_o this_o learned_a author_n be_v mistake_v in_o his_o notion_n of_o the_o principium_fw-la hylarchicum_n which_o so_o oft_o occurr_v in_o my_o enchiridium_fw-la metaphysicum_fw-la 9_o for_o i_o do_v not_o understand_v thereby_o any_o intelligent_a nature_n but_o vital_a only_o or_o at_o least_o main_o i_o mean_v a_o spirit_n endue_v with_o the_o plastic_a power_n of_o order_v the_o matter_n according_a to_o certain_a general_a law_n which_o the_o divine_a wisdom_n have_v vital_o and_o essential_o though_o not_o intellectual_o implant_v in_o this_o spirit_n of_o nature_n as_o i_o elsewhere_o call_v it_o for_o that_o there_o be_v no_o life_n but_o what_o be_v cogitative_a be_v a_o conceit_n take_v up_o but_o yesterday_o and_o i_o believe_v will_v as_o soon_o expire_v that_o it_o be_v plastical_a and_o that_o it_o be_v not_o intelligent_a these_o two_o thing_n i_o think_v i_o can_v and_o have_v demonstrate_v but_o whether_o it_o may_v have_v some_o more_o sleepy_a drowsy_a sense_n in_o it_o also_o i_o have_v not_o yet_o determine_v and_o for_o the_o present_n think_v it_o hard_o to_o prove_v either_o one_o way_n or_o other_o and_o i_o be_o loath_a to_o assert_v any_o more_o than_o i_o can_v prove_v upon_o chapter_n the_o seven_o remark_n the_o fourteen_o the_o distinction_n of_o consider_v water_n as_o a_o solid_a body_n and_o as_o a_o fluid_a body_n p._n 49_o &_o 50._o do_v not_o go_v well_o down_o with_o i_o for_o water_n so_o long_o as_o it_o be_v water_n and_o not_o ice_n be_v always_o fluid_a even_o then_o when_o it_o be_v envessel_v and_o if_o its_o entire_a tendency_n then_o towards_o the_o earth_n argue_v its_o solidity_n it_o be_v a_o solid_a body_n also_o out_o of_o the_o vessel_n for_o it_o also_o then_o tend_v entire_o and_o direct_o towards_o the_o earth_n as_o be_v see_v in_o the_o drop_n of_o rain_n wherefore_o we_o see_v no_o reason_n of_o reduce_v of_o envessel_v water_n to_o the_o nature_n of_o a_o solid_a body_n that_o upon_o that_o pretence_n the_o problem_n of_o its_o part_n not_o gravitate_v one_o upon_o another_o may_v be_v thence_o solve_v remark_n the_o fifteen_o the_o non-gravitation_a of_o the_o particle_n of_o water_n p._n 52._o l._n 1._o upon_o subject_v body_n be_v resolve_v into_o two_o account_n the_o first_o mechanical_a the_o second_o natural_a the_o mechanical_a be_v propose_v and_o apply_v in_o this_o seven_o chapter_n the_o natural_a in_o the_o next_o the_o mechanical_a account_n be_v twofold_a the_o first_o from_o the_o continuity_n of_o the_o particle_n of_o water_n the_o second_o from_o their_o architecture_n or_o masonry_n suppose_v they_o be_v not_o continue_v now_o that_o that_o account_v from_o the_o continuity_n of_o part_n whereby_o the_o learned_a author_n will_v have_v it_o to_o be_v a_o kind_n of_o solid_a body_n that_o this_o be_v invalid_a appear_v from_o the_o 3._o and_o 12._o remark_n and_o indeed_o discontinuity_n of_o the_o part_n of_o water_n be_v palpable_a from_o their_o extreme_a softness_n to_o our_o very_a finger_n as_o when_o any_o thing_n be_v ground_n the_o samller_n the_o powder_n be_v the_o soft_a it_o feel_v to_o our_o finger_n and_o continuity_n be_v nothing_o else_o but_o the_o fixtness_n of_o part_n to_o part_n whence_o hardness_n will_v necessary_o arise_v as_o appear_v in_o water_n turn_v into_o ice_n which_o be_v nothing_o else_o but_o the_o fix_v the_o aqueous_a part_n one_o to_o another_o remark_n the_o sixteen_o and_o therefore_o this_o learned_a author_n do_v well_o p._n 52._o l._n 21._o to_o admit_v at_o length_n that_o water_n have_v the_o nature_n of_o separate_a body_n and_o that_o its_o part_n be_v only_o contiguous_a but_o then_o when_o he_o fly_v for_o a_o solution_n of_o the_o present_a problem_n why_o a_o whole_a column_n of_o water_n do_v not_o gravitate_fw-la on_o the_o subject_v body_n to_o his_o instance_n p._n 53._o l._n 8._o of_o a_o pyramid_n of_o square_a stone_n a_o heap_n of_o wheat_n and_o of_o callice-sand_n wherein_o a_o arch_n be_v make_v over_o the_o subject_v body_n etc._n etc._n the_o invalidity_n of_o this_o reason_n i_o have_v abundant_o discover_v in_o my_o 4._o 5._o 6._o 7._o 8._o and_o 9_o remark_n there_o be_v no_o comparison_n betwixt_o those_o gross_a part_n in_o rest_n and_o these_o infinite_o small_a particle_n of_o water_n which_o be_v in_o motion_n remark_n the_o seventeen_o the_o author_n seem_v to_o affirm_v that_o the_o cartesian_a aqueous_a particle_n be_v infinite_o more_o improveable_a p._n 53._o l._n 8._o for_o make_v a_o arch_n for_o the_o ease_n and_o security_n of_o subjacent_a body_n 7._o than_o those_o of_o wheat_n hailshot_a or_o sand_n whenas_o doubtless_o they_o be_v infinite_o less_o improveable_a as_o be_v in_o promiscuous_a motion_n according_a to_o des-cartes_n the_o materia_fw-la subtilissima_fw-la and_o the_o globuli_fw-la intermingle_v nor_o be_v they_o in_o
any_o order_n but_o what_o they_o perpetual_o slip_v from_o and_o how_o perfect_o they_o be_v disintangled_n one_o from_o another_o and_o slippery_a be_v manifest_a to_o our_o very_a sense_n as_o i_o note_v 15._o before_o remark_n the_o eighteen_o he_o suppose_v p._n 54._o l._n 6._o that_o the_o union_n of_o the_o part_n of_o water_n be_v much_o more_o close_a than_o that_o of_o the_o monad_n of_o callice-sand_n because_o the_o water_n be_v quid_fw-la continuum_fw-la though_o fluidum_fw-la but_o i_o have_v 15._o offer_v reason_n that_o i_o hope_v be_v sufficient_a to_o evince_v that_o it_o be_v not_o quid_fw-la continuum_fw-la but_o contiguum_fw-la and_o i_o far_o add_v that_o the_o part_n of_o sand_n be_v cram_v so_o hard_o together_o and_o at_o rest_n come_v near_o to_o the_o nature_n of_o continuity_n than_o where_o the_o part_n be_v in_o motion_n and_o come_v close_o together_o as_o it_o be_v in_o water_n remark_n the_o nineteen_o the_o learned_a author_n p._n 57_o l._n 3._o do_v acknowledge_v that_o in_o a_o bucket_n of_o water_n with_o a_o rundle_n at_o the_o bottom_n if_o the_o bottom_n have_v a_o hole_n in_o it_o the_o whole_a column_n of_o water_n will_n gravitate_fw-la on_o the_o rundle_n and_o not_o only_o a_o cap_n or_o cone_n here_o i_o demand_v how_o this_o hole_n at_o the_o bottom_n of_o the_o vessel_n under_o the_o rundle_n the_o water_n not_o run_v out_o can_v concern_v the_o suppose_a arch_n and_o cause_v a_o whole_a cylinder_n of_o gravitation_n on_o the_o rundle_n if_o there_o be_v this_o masonry_n in_o this_o phaenomenon_n and_o it_o be_v not_o to_o be_v salve_v by_o another_o principle_n remark_n the_o twenty_o again_o upon_o what_o occurr_n l._n 12._o that_o the_o water_n will_v undermine_v a_o light_a body_n than_o the_o like_a quantity_n of_o water_n commensurable_a to_o its_o bulk_n i_o will_v propound_v this_o experiment_n suppose_v the_o bucket_n with_o a_o hole_n at_o the_o bottom_n as_o before_o and_o that_o heavier-wood-rundle_n almost_o equal_a to_o the_o bottom_n of_o the_o bucket_n place_v on_o it_o and_o then_o a_o lighter-wood-rundle_n of_o equal_a diameter_n with_o the_o heavy_a place_v on_o it_o whether_o the_o whole_a cylinder_n of_o water_n do_v not_o press_v on_o these_o rundle_n and_o not_o a_o cap_n only_o and_o whether_o notwithstanding_o the_o upper_a rundle_n will_v not_o ascend_v which_o be_v a_o sign_n that_o its_o ascend_a at_o other_o time_n be_v not_o to_o be_v impute_v to_o the_o architecture_n of_o the_o arch_n so_o ingenious_o excogitated_a by_o this_o learned_a author_n but_o i_o will_v appeal_v to_o one_o experiment_n more_o which_o will_v take_v away_o both_o these_o two_o mechanical_a account_n at_o once_o that_o of_o continuity_n and_o this_o of_o architecture_n and_o the_o experiment_n be_v this_o let_v there_o be_v a_o bucket_n who_o concavity_n be_v perfect_o cylindraceous_a and_o the_o diameter_n of_o the_o bottom_n 63_o part_n let_v there_o be_v another_o cylindraceous_a vessel_n who_o internal_a diameter_n shall_v be_v 61_o part_n external_a 62_o let_v there_o be_v at_o the_o bottom_n of_o this_o vessel_n 4_o little_a equidistant_a hole_n in_o the_o side_n sloop_v inward_o so_o as_o to_o come_v just_a to_o the_o bottom_n that_o the_o water_n may_v no_o otherwise_o go_v out_o than_o just_a from_o the_o bottom_n upward_o nor_o ascend_v at_o all_o but_o by_o press_v to_o the_o bottom_n first_o put_v this_o vessel_n into_o a_o bucket_n to_o the_o bottom_n thereof_o and_o hold_v it_o there_o so_o as_o that_o the_o top_n of_o the_o vessel_n shall_v be_v equal_a to_o the_o top_n of_o the_o bucket_n then_o pour_v in_o water_n till_o they_o be_v full_a to_o their_o brim_n then_o take_v away_o your_o hand_n that_o hold_v the_o vessel_n to_o the_o bottom_n of_o the_o bucket_n the_o vessel_n in_o the_o bucket_n will_v rise_v up_o high_a and_o high_o till_o there_o be_v no_o more_o thereof_o immerse_v in_o water_n than_o be_v equal_a to_o such_o a_o mole_n of_o water_n as_o be_v equal_a to_o the_o whole_a vessel_n in_o weight_n the_o weight_n of_o the_o water_n on_o the_o bottom_n of_o this_o vessel_n be_v near_o upon_o thirty_o time_n more_o than_o the_o water_n betwixt_o this_o vessel_n and_o the_o side_n of_o the_o bucket_n which_o shall_v undermine_v it_o and_o yet_o the_o vessel_n rise_v of_o which_o no_o account_n can_v be_v give_v neither_o from_o the_o continuity_n of_o the_o water_n for_o the_o water_n in_o the_o vessel_n be_v not_o continue_v with_o the_o exterior_a water_n in_o the_o bucket_n but_o be_v only_o contiguous_a to_o the_o side_n of_o the_o vessel_n nor_o from_o that_o masonry_n of_o a_o arch_n upon_o the_o rundle_n or_o bottom_n of_o the_o vessel_n for_o the_o whole_a mole_n of_o the_o water_n in_o the_o vessel_n do_v as_o much_o entire_o press_v on_o the_o bottom_n of_o the_o vessel_n as_o the_o whole_a mole_n of_o water_n in_o any_o bucket_n do_v upon_o the_o bottom_n thereof_o so_o whole_o ineffectual_a be_v these_o mechanical_a invention_n of_o continuity_n and_o the_o arch_n or_o cone_n on_o the_o subject_v body_n in_o water_n for_o solve_v the_o non-gravitation_a thereof_o we_o shall_v now_o examine_v the_o natural_a account_n upon_o chapter_n the_o eight_o i_o observe_v that_o the_o author_n p._n 58._o l._n 13._o lay_v the_o main_a stress_n of_o all_o upon_o this_o natural_a account_n of_o the_o non-gravitation_a of_o water_n either_o upon_o its_o inferior_a part_n or_o any_o subject_v body_n heavy_a or_o equal_a in_o weight_n to_o the_o like_a bulk_n of_o water_n for_o this_o say_v he_o i_o take_v to_o be_v the_o true_a natural_a specifical_a reason_n of_o the_o non-gravitation_a of_o fluids_n though_o the_o mechanical_a reason_n before_o give_v be_v not_o whole_o useless_a but_o contribute_v its_o part_n to_o it_o we_o will_v therefore_o be_v more_o diligent_a in_o examine_v this_o natural_a account_n remark_n the_o twenty_o first_o and_o for_o the_o better_o procedure_v in_o this_o business_n upon_o his_o mention_v the_o intrinsical_a heaviness_n of_o a_o body_n p._n 59_o l._n 16._o we_o be_v here_o to_o remember_v what_o we_o be_v i_o think_v agree_v upon_o in_o my_o first_o remark_n part_v the_o first_o and_o the_o second_o that_o heaviness_n or_o gravity_n in_o a_o body_n be_v nothing_o but_o its_o mobility_n nor_o gravitation_n but_o its_o motion_n or_o actual_a nisus_n ad_fw-la motum_fw-la and_o that_o that_o notion_n of_o gravity_n in_o the_o school_n be_v but_o idolum_fw-la fori_fw-la that_o mobility_n and_o motion_n upward_o be_v as_o intrinsical_v to_o a_o body_n as_o mobility_n and_o motion_n downward_o that_o there_o be_v no_o motion_n nor_o nisus_n ad_fw-la motum_fw-la discernible_a in_o water_n to_o any_o term_n but_o when_o it_o be_v misplace_v so_o that_o all_o such_o motion_n be_v only_o upon_o occasion_n in_o it_o and_o therefore_o when_o water_n ascend_v in_o a_o tube_n in_o such_o sort_n as_o be_v describe_v remark_n 1._o part_n 4._o that_o mobility_n and_o motion_n upward_o be_v as_o intrinsical_v to_o the_o water_n as_o its_o nisus_n downward_o for_o that_o nisus_n downward_o be_v not_o but_o pro_fw-la re_fw-la nata_fw-la when_o it_o be_v misplace_v these_o thing_n i_o hope_v will_v not_o be_v stick_v at_o if_o we_o have_v but_o recourse_n to_o my_o first_o remark_n and_o the_o part_n thereof_o remark_n the_o twenty_o second_o this_o natural_a account_n of_o the_o non-gravitation_a of_o fluids_n which_o the_o author_n lay_v so_o much_o stress_n upon_o be_v this_o p._n 62._o l._n 5._o that_o they_o have_v several_a line_n of_o their_o direction_n of_o gravitation_n that_o be_v of_o their_o motion_n by_o remark_n the_o first_o and_o therefore_o necessary_o one_o must_v be_v refract_v impede_v and_o abate_v by_o the_o other_o and_o consequent_o the_o direction_n of_o its_o perpendicular_a or_o lateral_a gravitation_n or_o motion_n downward_o be_v correct_v or_o very_o near_o whole_o suspend_v by_o the_o other_o tendency_n or_o direction_n of_o its_o motion_n this_o be_v the_o learned_a author_n natural_a account_n of_o the_o non-gravitation_a of_o the_o part_n of_o water_n upon_o water_n etc._n etc._n remark_n the_o twenty_o three_o the_o learned_a author_n bring_v in_o again_o p._n 63._o l._n 5._o the_o notion_n and_o distinction_n of_o the_o terminal_a motion_n or_o tendency_n of_o water_n as_o it_o be_v a_o heavy_a body_n which_o be_v perpendicular_a towards_o the_o earth_n which_o he_o call_v the_o primitive_a conatus_fw-la of_o all_o heavy_a body_n and_o the_o effect_n of_o their_o intrinsic_a gravity_n and_o the_o other_o motion_n and_o direction_n as_o it_o be_v a_o fluid_a body_n this_o distinction_n he_o repeat_v again_o p._n 68_o l._n penult_n which_o language_n if_o we_o will_v uncipher_v according_a to_o our_o agreement_n in_o my_o first_o remark_n the_o sense_n be_v this_o that_o water_n as_o it_o
that_o the_o reason_n why_o a_o glass_n tube_n of_o oil_n immerse_v to_o such_o a_o depth_n into_o a_o vessel_n of_o water_n will_v some_o of_o it_o go_v out_o but_o immerse_v low_a it_o will_v stay_v in_o and_o if_o low_o will_v ascend_v in_o the_o tube_n etc._n etc._n be_v this_o because_o there_o be_v a_o great_a pressure_n or_o renitence_n in_o the_o last_o place_n than_o in_o the_o second_o and_o in_o the_o second_o than_o in_o the_o first_o and_o therefore_o less_o force_n be_v require_v to_o raise_v the_o superficies_n in_o this_o first_o case_n than_o in_o the_o second_o and_o in_o the_o second_o than_o in_o the_o three_o this_o be_v ingenious_a but_o there_o be_v this_o obstacle_n to_o the_o truth_n thereof_o for_o let_v the_o first_o place_n be_v a._n the_o second_o b._n the_o three_o c._n and_o let_v we_o consider_v that_o the_o oil_n go_v out_o at_o a._n the_o whole_a body_n of_o the_o water_n from_o a._n to_o the_o superficies_n be_v raise_v up_o at_o once_o and_o there_o appear_v no_o hillock_n of_o water_n above_o the_o oil_n at_o a._n on_o the_o superficies_n or_o on_o a_o vessel_n of_o oil_n above_o the_o water_n at_o a._n suppose_v water_n let_v into_o a_o vessel_n of_o oil_n after_o the_o same_o manner_n by_o a_o glass_n tube_n now_o beside_o that_o it_o be_v incredible_a that_o so_o little_a portion_n of_o water_n or_o oil_n effuse_v at_o a._n shall_v at_o all_o be_v able_a toraise_a the_o whole_a bulk_n of_o water_n or_o oil_n in_o the_o vessel_n from_o the_o whole_a superficies_n where_o a._n be_v though_o never_o so_o little_a towards_o the_o tomp_n of_o the_o vessel_n it_o be_v also_o further_o demonstrable_a that_o the_o increase_n of_o renitence_n or_o pressure_n of_o the_o water_n against_o its_o be_v raise_v high_a in_o b._n more_o than_o in_o a._n and_o in_o c._n more_o than_o in_o b._n be_v not_o the_o reason_n that_o the_o oil_n in_o the_o tube_n put_v in_o water_n or_o water_n in_o a_o tube_n put_v into_o oil_n do_v not_o go_v out_o at_o b._n and_o ascend_v at_o c._n for_o it_o will_v follow_v that_o a_o tube_n of_o oil_n put_v into_o a_o vessel_n of_o water_n of_o a_o far_o great_a diameter_n than_o before_o suppose_v twice_o as_o great_a and_o the_o tube_n again_o immerse_v to_o a._n that_o be_v to_o a_o equal_a depth_n as_o before_o the_o oil_n will_v not_o go_v out_o since_o the_o bulk_n of_o the_o water_n from_o a._n to_o the_o superficies_n be_v four_o time_n as_o big_a as_o it_o be_v before_o and_o therefore_o the_o renitence_n against_o be_v raise_v high_o shall_v nigh_o hand_n increase_v in_o proportion_n and_o yet_o the_o oil_n go_v out_o at_o a._n as_o before_o notwithstanding_o this_o imagine_a renitency_n whence_o it_o be_v plain_a it_o be_v not_o the_o force_n of_o effuse_a water_n in_o the_o oil_n or_o oil_n in_o the_o water_n that_o can_v raise_v the_o water_n or_o oil_n one_o atom_n breadth_n high_o but_o the_o prevent_a activity_n of_o that_o immaterial_a principle_n that_o dispose_v all_o the_o part_n of_o the_o liquor_n in_o the_o vessel_n orderly_a and_o at_o once_o there_o be_v no_o crowd_v nor_o press_v any_o way_n one_o part_n on_o another_o and_o that_o the_o pewter_n porringer_n full_a of_o hailshot_a weigh_v in_o water_n p._n 43._o l._n 23._o be_v find_v from_o the_o bottom_n to_o the_o top_n in_o a_o manner_n of_o equal_a weight_n be_v not_o because_o it_o force_v the_o superficies_n of_o the_o water_n no_o high_o in_o one_o position_n than_o another_o but_o because_o the_o water_n be_v no_o heavy_a at_o one_o depth_n than_o another_o that_o be_v be_v not_o heavy_a at_o all_o upon_o chapter_n the_o four_o remark_n the_o four_o p._n 50._o l._n 23._o in_o this_o page_n the_o learned_a author_n do_v in_o a_o manner_n acknowledge_v what_o i_o so_o diligent_o endeavour_v to_o prove_v in_o my_o first_o remark_n part_v 4._o for_o he_o compare_v the_o air_n to_o a_o vast_a net_n with_o small_a mash_n or_o interstitia_fw-la fit_v gradual_o with_o part_n more_o and_o more_o subtle_a wherein_o he_o judge_v right_a save_v that_o by_o the_o comparison_n of_o the_o net_n he_o will_v insinuate_v a_o continuity_n of_o the_o air_n which_o i_o have_v sufficient_o disprove_v remark_n 1._o part_n 3._o remark_n the_o five_o the_o compression_n of_o divers_a particle_n of_o the_o air_n say_v our_o author_n p._n 51._o l._n 13._o may_v render_v that_o compress_a body_n of_o air_n sensible_o heavy_a whence_o he_o infer_v that_o we_o may_v not_o whole_o exclude_v those_o particle_n from_o all_o kind_n of_o gravity_n before_o compression_n for_o no_o weighty_a body_n can_v arise_v from_o the_o coalition_n of_o such_o part_n as_o have_v no_o manner_n of_o gravity_n before_o the_o conclusion_n bear_v some_o show_n of_o concinnity_n with_o it_o but_o methinks_v the_o inference_n will_v be_v more_o safe_a if_o one_o shall_v argue_v from_o hence_o that_o there_o be_v no_o such_o thing_n as_o innate_a gravity_n since_o that_o which_o appear_v a_o light_a body_n before_o without_o add_v any_o real_a quality_n but_o by_o only_o thrust_v the_o part_n near_o together_o it_o get_v a_o motion_n downward_o which_o therefore_o imply_v that_o that_o motion_n be_v from_o some_o other_o substance_n not_o from_o the_o compress_a air_n itself_o and_o that_o fire_n if_o it_o can_v be_v compress_v will_v also_o tend_v downward_o as_o the_o matter_n thereof_o do_v tend_v downward_o plain_o in_o wood_n but_o the_o part_n of_o wood_n attenuate_v and_o agitate_a tend_v upward_o in_o the_o form_n of_o fire_n which_o be_v no_o obscure_a intimation_n that_o it_o be_v not_o any_o inward_a particular_a form_n or_o quality_n that_o be_v that_o which_o move_v thing_n upward_o or_o downward_o but_o a_o distinct_a immaterial_a principle_n that_o be_v the_o orderer_n and_o disposer_n of_o the_o matter_n of_o the_o universe_n according_a to_o the_o more_o or_o less_o solidity_n in_o its_o consistency_n remark_n the_o six_o he_o assert_n in_o this_o page_n 63._o as_o also_o p._n 51._o l._n 2._o that_o there_o be_v not_o that_o strict_a cohaesion_n of_o one_o part_n of_o water_n with_o another_o as_o with_o one_o part_n of_o air_n with_o another_o and_o yet_o as_o i_o have_v above_o note_v the_o air_n be_v dividable_a by_o the_o thread_n of_o a_o spinner_n hang_v on_o one_o hat_n how_o dividable_a then_o and_o separable_a be_v one_o part_n of_o water_n from_o another_o that_o be_v more_o easy_o disjungible_a than_o air_n itself_o and_o how_o unfit_a for_o such_o architecture_n of_o the_o imagine_a cone_n or_o cap_n in_o the_o former_a treatise_n remark_n the_o seven_o after_o a_o experiment_n make_v with_o a_o glasssiphon_a with_o quicksilver_n and_o water_n the_o long_a leg_n of_o the_o siphon_n be_v 32_o inch_n the_o short_a 8._o and_o the_o short_a leg_n have_v something_o a_o large_a diameter_n than_o the_o long_o which_o experiment_n be_v thus_o 1._o he_o fill_v the_o short_a leg_n with_o mercury_n till_o it_o run_v up_o as_o high_a in_o the_o long_o that_o be_v 8_o inch_n according_a to_o the_o law_n of_o fluids_n and_o stop_v the_o short_a with_o his_o finger_n fill_v the_o residue_n of_o the_o long_o with_o water_n whereupon_o the_o mercury_n in_o the_o long_a leg_n subside_v to_o two_o inch_n and_o a_o quarter_n 24_o inch_n of_o water_n drive_v it_o so_o far_o down_o though_o 28_o inch_n of_o water_n be_v the_o usual_a counterpoise_n to_o two_o inch_n of_o mercury_n 2_o have_v fill_v again_o the_o siphon_n with_o quicksilver_n as_o at_o first_o and_o immerse_v it_o into_o a_o tube_n of_o water_n 32_o inch_n high_a so_o that_o the_o column_n of_o water_n over_o the_o short_a leg_n be_v full_a 24_o inch_n yet_o those_o 24_o inch_n drive_v the_o mercury_n in_o the_o short_a leg_n but_o one_o inch_n down_o and_o raise_v it_o one_o inch_n in_o the_o long_o 3._o have_v pour_v water_n into_o the_o long_a leg_n of_o the_o siphon_n so_o that_o the_o mercury_n subside_v two_o inch_n and_o as_o much_o flow_v out_o at_o the_o short_a and_o then_o immerse_v again_o the_o siphon_n into_o the_o glass-vessel_n 32_o inch_n deep_o fill_v with_o water_n the_o mercury_n subside_v near_o a_o inch_n in_o the_o short_a leg_n and_o according_o impel_v the_o mercury_n into_o the_o long_a upon_o this_o experiment_n i_o say_v he_o make_v this_o observation_n p._n 67._o l._n 1._o that_o notwithstanding_o the_o advantage_n of_o the_o large_a diameter_n of_o the_o short_a leg_n the_o gravitation_n of_o the_o external_a water_n or_o any_o imaginary_a column_n thereof_o be_v not_o half_a so_o much_o as_o the_o gravitation_n of_o the_o cylinder_n of_o water_n include_v in_o the_o tube_n he_o mean_v the_o long_a leg_n of_o the_o siphon_n which_o i_o conceive_v to_o be_v a_o
plain_a mistake_n for_o neither_o be_v that_o large_a diameter_n in_o the_o short_a leg_n any_o advantage_n but_o a_o disadvantage_n the_o motion_n of_o fluids_n be_v swift_a out_o of_o a_o narrow_a passage_n into_o wide_a than_o vice_n versâ_fw-la nor_o be_v there_o any_o indication_n in_o all_o these_o experiment_n that_o the_o gravitation_n of_o the_o 24_o inch_n of_o water_n in_o the_o long_a leg_n do_v gravitate_fw-la as_o much_o more_o as_o the_o column_n of_o water_n of_o 24_o inch_n impendent_a over_o the_o orifice_n of_o the_o short_a leg_n for_o in_o the_o first_o instance_n where_o 24_o inch_n of_o water_n drive_v the_o quick-silw_a 2_o inch_n and_o ¼_n downward_o in_o the_o long_a leg_n it_o be_v because_o of_o the_o largeness_n of_o the_o diameter_n of_o the_o short_a leg_n or_o by_o reason_n of_o its_o wideness_n so_o when_o the_o 24_o inch_n of_o water_n and_o the_o quicksilver_n be_v to_o balance_v against_o it_o it_o require_v more_o quicksilver_n to_o be_v at_o a_o counterpoise_n with_o it_o than_o if_o it_o have_v have_v the_o same_o diameter_n with_o the_o long_a shank_n and_o hence_o it_o be_v that_o the_o quicksilver_n subside_v so_o far_o in_o the_o long_a shank_n and_o not_o the_o discontinuity_n of_o the_o water_n in_o it_o from_o other_o water_n and_o now_o we_o come_v to_o the_o second_o instance_n it_o be_v to_o be_v note_v that_o the_o impendent_a column_n of_o water_n drive_v the_o mercury_n one_o inch_n downward_o in_o the_o short_a leg_n and_o so_o consequent_o raise_v it_o one_o in_o the_o long_o that_o there_o will_v be_v 9_o inch_n in_o the_o long_a leg_n and_o but_o 7_o in_o the_o short_a so_o that_o upon_o the_o matter_n the_o column_n of_o 24_o inch_n in_o the_o water_n poise_v as_o much_o against_o the_o quicksilver_n in_o this_o experiment_n as_o that_o water_n in_o the_o long_a shank_n do_v in_o the_o former_a for_o here_o it_o ponderate_v against_o 2_o inch_n of_o quicksilver_n there_o but_o against_o 2_o and_o ¼_n nay_o i_o may_v safe_o say_v against_o above_o two_o in_o this_o for_o if_o it_o be_v drive_v down_o one_o inch_n in_o the_o short_a but_o wide_a shank_n it_o must_v needs_o rise_v above_o one_o inch_n in_o the_o other_o and_o i_o doubt_v not_o but_o a_o quarter_n of_o a_o inch_n or_o thereabouts_o if_o the_o author_n have_v take_v so_o punctual_a notice_n of_o it_o and_o as_o in_o these_o two_o instance_n in_o several_a the_o column_n of_o the_o water_n in_o the_o water_n be_v find_v to_o be_v aequiponderant_a to_o a_o column_n of_o so_o many_o inch_n in_o the_o long_a shank_n of_o the_o siphon_n so_o we_o shall_v find_v they_o in_o this_o last_o and_o joint_a experiment_n for_o upon_o the_o pour_v water_n into_o the_o long_a leg_n of_o the_o siphon_n there_o remain_v but_o 6_o inch_n of_o mercury_n in_o that_o leg_n and_o 8_o in_o the_o other_o wherefore_o upon_o the_o immit_n of_o the_o siphon_n into_o the_o glass-tube_n and_o there_o be_v find_v about_o a_o inch_n subside_v in_o the_o short_a leg_n and_o a_o rise_n as_o much_o in_o the_o long_o it_o be_v manifest_a that_o in_o each_o leg_n there_o be_v about_o 7_o inch_n height_n of_o quicksilver_n a_o piece_n and_o that_o the_o column_n of_o water_n in_o the_o water_n gravitates_fw-la as_o much_o as_o the_o column_n of_o water_n in_o the_o long_a shank_n of_o the_o siphon_n and_o not_o only_o half_a as_o much_o as_o our_o author_n will_v have_v it_o which_o be_v a_o excellent_a experiment_n against_o his_o suppose_a masonry_n in_o the_o element_n of_o water_n and_o that_o each_o part_n of_o water_n by_o each_o part_n do_v most_o glib_o slip_v and_o that_o therefore_o this_o imaginary_a architecture_n can_v contribute_v nothing_o to_o the_o rise_n of_o the_o round_a wooden_a rundle_n from_o the_o bottom_n of_o the_o bucket_n on_o which_o i_o build_v that_o notable_a demonstration_n of_o i_o in_o my_o enchiridium_fw-la metaphysicum_fw-la upon_o chapter_n the_o five_o remark_n the_o eight_o that_o experiment_n of_o stevinus_n that_o a_o rundle_n place_v on_o the_o bottom_n of_o a_o vessel_n with_o a_o hole_n in_o it_o so_o that_o the_o rundle_n somewhat_o overlap_v the_o hole_n p._n 94._o l._n 4._o that_o the_o rundle_n will_n gravitate_fw-la upon_o that_o hole_n and_o the_o incumbent_n cylinder_n of_o water_n commensurate_n in_o base_a to_o that_o rundle_n so_o hard_a and_o close_o that_o it_o require_v a_o weight_n in_o a_o pair_n of_o scale_n near_o commensurate_n to_o the_o weight_n of_o the_o impend_a cylinder_n of_o water_n to_o raise_v it_o from_o the_o bottom_n i_o say_v this_o experiment_n be_v a_o argument_n against_o that_o invention_n of_o the_o cap_n or_o cone_n and_o the_o rest_n of_o that_o architecture_n in_o the_o forego_n book_n for_o the_o hole_n under_o the_o rundle_n can_v be_v conceive_v any_o mechanical_a cause_n at_o all_o why_o the_o same_o architecture_n may_v not_o be_v that_o be_v imagine_v before_o and_o yet_o the_o rundle_n arise_v not_o in_o the_o vessel_n nor_o do_v the_o water_n sile_z through_o remark_n the_o nine_o that_o the_o rundle_n arise_v not_o in_o the_o vessel_n the_o learned_a author_n offer_v this_o reason_n because_o the_o water_n gravitates_fw-la now_o upon_o the_o rundle_n as_o have_v mediate_o a_o light_a element_n namely_o the_o air_n upon_o which_o it_o gravitates_fw-la l._n 23._o but_o be_v as_o firm_o sustain_v as_o before_o from_o pass_v to_o the_o air_n why_o shall_v it_o gravitate_fw-la any_o more_o than_o before_o and_o beside_o if_o the_o bottom_n of_o the_o bucket_n be_v somewhat_o high_a than_o the_o basis_n of_o the_o rib_n of_o the_o bucket_n on_o which_o it_o may_v stand_v and_o there_o be_v a_o second_o bottom_n make_v to_o keep_v the_o air_n betwixt_o this_o second_o bottom_n and_o the_o former_a perforated_a bottom_n from_o communicate_v with_o the_o rest_n of_o the_o air_n it_o be_v worth_a the_o inquire_n whether_o the_o rundle_n than_o will_v not_o rise_v because_o the_o abituriency_n of_o the_o air_n which_o be_v in_o the_o other_o case_n be_v thus_o sufflaminated_a whence_o it_o will_v be_v plain_a it_o be_v not_o simple_o because_o there_o be_v air_n beneath_o that_o the_o water_n gravitate_v on_o the_o rundle_n but_o because_o that_o air_n be_v in_o the_o state_n of_o abituriency_n or_o at_o least_o in_o sufficient_a quantity_n to_o colluctate_v with_o the_o water_n the_o principium_fw-la hylarchicum_n upon_o such_o hint_n by_o reason_n of_o the_o quick_a motion_n of_o those_o law_n of_o life_n in_o it_o put_v this_o under-air_n into_o that_o abiturient_n state_n and_o therewithal_o carry_v the_o water_n raptu_fw-la consensûs_fw-la into_o a_o actual_a tendency_n downward_o and_o so_o thrust_v the_o rundle_n close_o to_o the_o hole_n entangle_v itself_o in_o its_o own_o attempt_n as_o not_o act_v by_o free_a reason_n and_o counsel_n but_o by_o some_o general_a law_n of_o instinct_n of_o life_n which_o in_o some_o such_o by-case_n do_v not_o further_o but_o hinder_v the_o effect_n general_o produce_v by_o nature_n whence_o it_o be_v evident_a that_o this_o spirit_n of_o nature_n be_v not_o the_o first_o cause_n which_o be_v the_o aeternal_a wisdom_n but_o a_o mere_a inferior_a creature_n but_o this_o be_v but_o by_o the_o by_o remark_n the_o ten_o our_o author_n mention_n a_o experiment_n of_o a_o empty_a glass-bottle_n careful_o stop_v and_o sink_v a_o great_a depth_n into_o the_o sea_n that_o the_o pressure_n of_o the_o water_n will_v break_v it_o apiece_o p._n 95._o l._n 9_o and_o he_o resolve_v it_o into_o this_o reason_n because_o the_o water_n press_v against_o a_o light_a element_n the_o air_n though_o mediate_o through_o the_o glass_n but_o i_o say_v that_o be_v not_o the_o adequate_a cause_n thereof_o that_o it_o have_v a_o light_a element_n near_o to_o it_o but_o because_o that_o the_o element_n be_v misplace_v for_o the_o upper_a part_n of_o the_o water_n in_o a_o vessel_n do_v not_o press_v against_o the_o air_n in_o the_o vessel_n that_o be_v incumbent_n on_o it_o but_o if_o a_o bottle_n of_o air_n be_v let_v down_o into_o the_o sea_n with_o its_o mouth_n downward_o and_o well_o stop_v to_o keep_v out_o water_n yet_o the_o water_n will_v thrust_v the_o cork_n upward_o and_o drive_v it_o in_o but_o that_o be_v because_o the_o air_n be_v misplace_v and_o put_v in_o the_o element_n of_o water_n which_o methinks_v be_v very_o apart_a insinuation_n that_o there_o be_v no_o such_o thing_n as_o intrinsic_a gravity_n but_o that_o matter_n move_v be_v move_v by_o a_o principle_n distinct_a from_o itself_o for_o the_o part_n of_o the_o water_n of_o the_o sea_n do_v not_o press_v one_o against_o another_o neither_o before_o nor_o after_o the_o bottle_n be_v let_v down_o and_o yet_o there_o be_v such_o a_o pressure_n on_o the_o bottle_n once_o
let_v down_o that_o either_o the_o cork_n be_v drive_v in_o or_o the_o bottle_n break_v in_o piece_n the_o other_o two_o instance_n also_o the_o author_n mention_n in_o this_o page_n tend_v to_o the_o same_o purpose_n i_o mean_v those_o of_o oil_n drive_v water_n upward_o and_o water_n quicksilver_n of_o which_o he_o declare_v p._n 96._o 1._o thus_o for_o in_o these_o instance_n though_o the_o immediate_a contiguity_n be_v of_o the_o heavy_a body_n to_o the_o light_a as_o oil_n to_o water_n and_o water_n to_o mercury_n yet_o the_o air_n be_v behind_o the_o mercury_n in_o the_o long_a leg_n of_o the_o siphon_n and_o behind_o the_o water_n in_o the_o tube_n the_o water_n in_o the_o one_o case_n and_o the_o oil_n in_o the_o other_o do_v in_o truth_n gravitate_fw-la upon_o the_o air_n mediate_o and_o effective_o rather_o than_o upon_o the_o immediate_a heavy_a fluid_n which_o will_v plain_o be_v a_o gravitation_n upward_o and_o therefore_o the_o more_o harsh_a phrase_n and_o sense_n but_o may_v just_o insinuate_v to_o this_o author_n the_o reasonableness_n of_o their_o opinion_n that_o hold_v there_o be_v no_o inward_a gravitation_n at_o all_o but_o that_o the_o matter_n be_v move_v pro_fw-la re_fw-mi nata_fw-la and_o range_v by_o the_o spirit_n of_o nature_n according_a to_o certain_a law_n general_o good_a for_o the_o universe_n and_o essential_o implant_v in_o the_o say_a spirit_n and_o these_o last_o phaenomena_n be_v easy_o resolve_v into_o the_o first_o hydrostatical_a axiom_n in_o my_o enchirid._n metaphys_n c._n 13._o sect_n 10._o upon_o chapter_n the_o six_o remark_n the_o eleven_o the_o reason_n assign_v p._n 101._o l._n 6._o why_o a_o small_a glass-tube_n of_o so_o many_o inch_n long_o and_o fill_v up_o with_o water_n and_o stop_v with_o one_o finger_n at_o the_o low_a end_n and_o let_v into_o a_o vessel_n of_o water_n of_o a_o competent_a diameter_n and_o depth_n upon_o the_o unstop_n of_o the_o low_a end_n all_o the_o water_n in_o the_o tube_n above_o the_o superficies_n of_o the_o water_n in_o the_o vessel_n will_v run_v down_o till_o '_o it_o be_v no_o high_o than_o the_o say_a superficies_n namely_o because_o if_o it_o obtain_v never_o so_o little_o more_o height_n in_o the_o pipe_n than_o in_o the_o vessel_n it_o have_v a_o great_a force_n to_o press_v downward_o than_o the_o water_n in_o the_o vessel_n have_v strength_n to_o resist_v it_o this_o reason_n i_o conceive_v do_v not_o quite_o exhaust_v the_o difficulty_n for_o suppose_v this_o pipe_n of_o but_o a_o quarter_n of_o a_o inch_n diameter_n and_o a_o bucket_n of_o a_o foot_n and_o a_o half_a and_o deep_a a_o foot_n and_o the_o pipe_n 9_o inch_n and_o half_a a_o quarter_n long_o and_o 9_o inch_n thereof_o in_o the_o water_n so_o that_o there_o be_v but_o half_a a_o quarter_n of_o a_o inch_n of_o the_o water_n to_o press_v up_o by_o its_o force_n to_o some_o though_o very_o little_a height_n a_o mole_n of_o water_n of_o 9_o inch_n deep_a and_o a_o foot_n and_o a_o half_a diameter_n how_o be_v it_o possible_a that_o the_o force_n of_o intrinsic_a gravity_n of_o a_o cylinder_n of_o water_n but_o a_o quarter_n of_o a_o inch_n diameter_n and_o half_a a_o quarter_n of_o a_o inch_n altitude_n shall_v raise_v at_o all_o a_o cylinder_n of_o 18_o inch_n diameter_n and_o 9_o inch_n in_o altitude_n if_o some_o principle_n distinct_a from_o both_o do_v not_o assist_v for_o the_o one_o cylinder_n exceed_v the_o other_o above_o some_o hundred_o thousand_o time_n and_o yet_o the_o pressure_n of_o this_o little_o cylinder_n must_v raise_v the_o great_a one_o by_o its_o own_o force_n if_o there_o be_v no_o other_o principle_n to_o help_v nor_o penetration_n of_o dimension_n which_o be_v even_o as_o absurd_a as_o the_o other_o or_o if_o you_o take_v the_o 9_o inch_n of_o water_n more_o in_o the_o tube_n into_o your_o compute_v yet_o this_o add_v to_o the_o abovesaid_a cylinder_n of_o but_o half_a a_o quarter_n of_o a_o inch_n high_a will_v be_v above_o 5000_o time_n less_o than_o the_o exterior_a cylinder_n so_o big_a be_v the_o absurdity_n still_o remark_n the_o twelve_o the_o fall_v off_o and_o stick_v to_o of_o the_o obturaculum_fw-la in_o a_o tube_n with_o a_o valve_n according_a as_o the_o tube_n be_v less_o or_o more_o immerse_v in_o the_o water_n my_o reason_n of_o this_o phaenomenon_n give_v in_o my_o enchiridium_fw-la metaphysicum_fw-la cap._n 13._o sect_n 17._o this_o learned_a author_n say_v p._n 103._o he_o be_v as_o much_o dissatisfy_v with_o as_o with_o the_o reason_n of_o the_o excellent_a author_n of_o the_o hydrostatical_a paradox_n but_o he_o allege_v nothing_o against_o it_o but_o that_o it_o be_v a_o obscure_a solution_n when_o as_o yet_o this_o i_o think_v therein_o be_v very_o plain_a and_o intelligible_a that_o if_o there_o be_v what_o i_o declare_v quaedam_fw-la quasi_fw-la sursum_fw-la suctio_fw-la aëris_fw-la in_o tubo_fw-la contenti_fw-la &_o conformis_fw-la ac_fw-la contemporanea_fw-la aquae_fw-la compulsio_fw-la in_o obturaculum_fw-la gih_n etc._n etc._n that_o that_o be_v a_o very_a solid_a reason_n why_o the_o obturaculum_fw-la when_o this_o suction_n be_v strong_a enough_o which_o be_v when_o the_o tube_n be_v let_v down_o deep_a enough_o by_o a_o circle_n of_o motion_n or_o at_o least_o a_o joint_a compression_n of_o the_o water_n at_o the_o same_o time_n against_o it_o shall_v be_v keep_v up_o from_o fall_v for_o upon_o this_o abiturient_a state_n of_o the_o air_n it_o be_v more_o vigorous_a than_o that_o impulse_n that_o shall_v carry_v down_o the_o obturaculum_fw-la or_o rather_o that_o principle_n that_o move_v the_o matter_n be_v rapt_v into_o one_o consent_n of_o circular_a motion_n from_o the_o bottom_n of_o the_o air_n in_o the_o tube_n to_o the_o top_n and_o then_o down_o into_o the_o water_n till_o it_o reach_v the_o obturaculum_fw-la under_o the_o tube_n urge_v the_o water_n as_o if_o it_o will_v ascend_v up_o which_o it_o will_v do_v but_o for_o the_o obturaculum_fw-la in_o pursuit_n of_o the_o air_n so_o draw_v upward_o till_o it_o be_v even_o with_o the_o superficies_n of_o the_o water_n it_o be_v manifest_a that_o the_o obturaculum_fw-la upon_o that_o abituriency_n be_v drive_v upward_o and_o that_o the_o motion_n in_o order_n of_o nature_n be_v first_o there_o in_o the_o air_n of_o the_o tube_n for_o as_o much_o as_o if_o the_o abituriency_n of_o the_o air_n in_o the_o tube_n be_v stop_v with_o a_o man_n finger_n at_o a_o due_a nearness_n or_o by_o a_o movable_a embolus_fw-la the_o obturaculum_fw-la that_o at_o such_o a_o depth_n cleave_v close_o before_o to_o the_o valve_n will_v present_o fall_v down_o which_o be_v a_o plain_a demonstration_n that_o the_o rise_v of_o the_o motion_n of_o pressure_n against_o the_o obturaculum_fw-la be_v from_o the_o air_n in_o the_o tube_n first_o move_v according_a to_o that_o law_n of_o the_o principium_fw-la hylarchicum_n contain_v in_o my_o first_o hydrostatical_a axiom_n enchirid._n metaphys_n cap._n 13._o sect_n 10._o which_o cause_v this_o joint_a motion_n or_o pressure_n against_o the_o obturaculum_fw-la this_o can_v be_v obscure_a to_o any_o that_o acknowledge_v that_o a_o spirit_n endue_v with_o plastic_a life_n though_o devoid_a of_o understanding_n and_o it_o may_v be_v of_o any_o acute_a sense_n be_v able_a to_o move_v matter_n remark_n the_o thirteen_o and_o from_o what_o we_o have_v say_v in_o the_o forego_n remark_n it_o be_v evident_a i_o conceive_v that_o this_o learned_a author_n be_v out_o in_o the_o account_n of_o this_o phenomenon_n for_o p._n 110_o and_o iii_o he_o resolve_v the_o stick_v of_o the_o obturaculum_fw-la to_o the_o valve_n into_o the_o tube_n press_v up_o a_o portion_n of_o water_n of_o a_o great_a weight_n than_o it_o if_o the_o sucker_n say_v he_o which_o answer_v to_o that_o which_o i_o call_v the_o obturaculum_fw-la be_v draw_v up_o p._n 110._o l._n 12._o and_o then_o immerse_v so_o low_a that_o the_o portion_n of_o water_n impel_v up_o by_o the_o tube_n do_v exceed_v the_o weight_n of_o the_o sucker_n the_o sucker_n will_v be_v sustain_v by_o the_o pressure_n of_o the_o water_n upon_o it_o but_o if_o the_o weight_n of_o a_o mole_n of_o water_n say_v he_o commensurate_a to_o so_o much_o of_o the_o tube_n as_o be_v immerse_v in_o the_o water_n be_v less_o than_o the_o weight_n of_o the_o sucker_n the_o sucker_n by_o its_o own_o weight_n will_v subside_o that_o this_o reason_n be_v maim_n be_v apparent_a from_o hence_o that_o if_o the_o tube_n be_v let_v in_o so_o low_a that_o it_o raise_v a_o mole_n of_o water_n who_o weight_n be_v much_o great_a than_o the_o weight_n of_o the_o obturaculum_fw-la or_o sucker_n and_o that_o for_o the_o present_a the_o obturaculum_fw-la will_v stick_v to_o the_o valve_n yet_o if_o the_o tube_n be_v stop_v with_o one_o finger_n or_o rather_o by_o a_o movable_a
embolus_fw-la at_o a_o due_a nearness_n to_o the_o valve_n the_o obturaculum_fw-la will_n sudden_o fall_v whence_o it_o be_v manifest_a that_o the_o solution_n be_v not_o final_o to_o be_v make_v into_o the_o raise_n of_o the_o water_n to_o several_a height_n upon_o which_o its_o pressure_n shall_v increase_v against_o the_o obturaculum_fw-la but_o into_o the_o abituriency_n of_o the_o air_n in_o the_o tube_n or_o just_a quantity_n thereof_o and_o of_o the_o several_a force_n of_o that_o abituriency_n into_o the_o law_n of_o motion_n innate_a or_o essential_a to_o the_o spirit_n of_o nature_n or_o universal_a transposer_n of_o the_o part_n of_o the_o matter_n of_o the_o world_n for_o where_o there_o be_v no_o raise_n of_o the_o water_n high_o at_o a_o deep_a descent_n to_o make_v its_o pressure_n great_a in_o the_o immit_a air_n into_o water_n as_o in_o a_o glass_n fill_v with_o air_n and_o well_o stop_v let_v down_o into_o the_o bottom_n of_o the_o sea_n upon_o a_o deep_a descent_n it_o will_v break_v though_o upon_o a_o moderate_a it_o will_v not_o though_o it_o raise_v the_o water_n alike_o in_o both_o case_n which_o be_v resolvible_a into_o nothing_o but_o the_o great_a excitement_n of_o the_o force_n of_o the_o principium_fw-la hylarchicum_n upon_o the_o great_a transgression_n of_o those_o hylostatick_a law_n vital_o and_o essential_o include_v in_o it_o for_o the_o part_n of_o water_n in_o water_n do_v not_o gravitate_fw-la one_o against_o another_o and_o they_o have_v as_o much_o room_n to_o play_v in_o when_o a_o bottle_n of_o air_n be_v send_v down_o into_o the_o water_n as_o when_o a_o bottle_n of_o water_n of_o the_o same_o size_n be_v send_v thereinto_o but_o the_o air_n in_o the_o former_a be_v misplace_v contrary_a to_o the_o hylostatick_a law_n of_o the_o universe_n upon_o chapter_n the_o seven_o remark_n the_o fourteen_o it_o be_v a_o very_a notable_a and_o pleasant_a experiment_n the_o learned_a author_n mention_n p._n 118._o l._n 19_o it_o be_v most_o evident_a to_o any_o man_n sense_n quoth_v he_o that_o will_v but_o try_v that_o if_o a_o tube_n be_v open_a at_o both_o end_n and_o fill_v up_o with_o mercury_n and_o then_o one_o end_n stop_v with_o the_o finger_n and_o the_o other_o end_n invert_v and_o immerse_v in_o the_o restagnant_fw-la mercury_n whereby_o it_o descend_v from_o the_o top_n of_o the_o tube_n a_o strong_a and_o sensible_a attraction_n be_v wrought_v upon_o the_o pulp_n of_o the_o upper_a finger_n that_o close_v it_o which_o continue_v and_o grow_v more_o and_o more_o forcible_a sensible_a and_o evident_a the_o further_a the_o mercury_n be_v remove_v from_o the_o upper_a end_n and_o approaches_z to_o its_o usual_a station_n of_o 29_o inch_n this_o be_v his_o experiment_n which_o to_o i_o be_v a_o seasonable_a confirmation_n of_o what_o in_o the_o forego_n remark_n i_o observe_v that_o the_o force_n of_o activity_n in_o the_o principium_fw-la hylarchicum_n or_o hylostaticum_fw-la be_v excite_v proportionable_o to_o the_o measure_n of_o misplacement_n of_o the_o part_n of_o the_o matter_n of_o the_o universe_n but_o as_o for_o the_o learned_a author_n solution_n of_o this_o phaenomenon_n i_o mean_v of_o this_o attraction_n of_o the_o pulp_n of_o his_o finger_n at_o the_o top_n of_o the_o tube_n i_o must_v confess_v i_o be_o not_o at_o all_o satisfy_v with_o and_o look_v upon_o it_o as_o a_o kind_n of_o philosophical_a incivility_n whenas_o so_o eminent_a a_o fellow_n creature_n as_o this_o hylostatick_a spirit_n take_v the_o opportunity_n of_o pull_v he_o by_o the_o finger_n when_o he_o can_v not_o shake_v he_o by_o the_o hand_n that_o he_o will_v not_o embrace_v this_o offer_n of_o acquaintance_n nor_o take_v notice_n of_o the_o existence_n of_o such_o a_o be_v in_o the_o world_n which_o i_o must_v confess_v i_o think_v this_o phaenomenon_n be_v a_o notable_a evidence_n of_o so_o circumstantiate_v as_o this_o author_n have_v describe_v for_o it_o be_v not_o impulsion_n ab_fw-la extrà _fw-la as_o he_o describe_v it_o for_o say_v he_o most_o evident_o the_o force_n the_o finger_n feel_v be_v from_o within_o and_o not_o from_o without_o and_o when_o he_o say_v it_o be_v upon_o the_o pulp_n of_o the_o finger_n and_o not_o the_o quitch_a of_o the_o skin_n it_o be_v apparent_a that_o that_o force_n be_v in_o his_o very_a finger_n not_o on_o the_o outside_n whether_o in_o the_o tube_n or_o without_o and_o therefore_o it_o can_v be_v the_o contiguity_n of_o any_o body_n in_o the_o tube_n as_o our_o learned_a author_n will_v have_v it_o by_o which_o this_o attraction_n be_v make_v but_o it_o be_v the_o hylostatick_a spirit_n of_o nature_n that_o upon_o unexpected_a occasion_n after_o a_o unexpected_a manner_n move_v the_o matter_n and_o it_o be_v a_o kind_n of_o a_o attempt_n of_o this_o hylarchick_a principle_n to_o expand_v and_o rarify_v the_o pulp_n of_o the_o finger_n to_o supply_v the_o absence_n of_o the_o mercury_n it_o be_v tug_v therefore_o of_o the_o pulp_n of_o the_o finger_n towards_o the_o cavity_n of_o the_o tube_n make_v the_o sense_n of_o the_o attraction_n into_o it_o but_o that_o this_o attraction_n can_v be_v by_o no_o contiguity_n of_o any_o body_n in_o the_o tube_n appear_v from_o hence_o that_o then_o it_o will_v have_v be_v feel_v more_o particular_o and_o distinct_o in_o the_o very_a exterior_a skin_n remark_n the_o fifteen_o the_o other_o two_o instance_n out_o of_o honoratus_n faber_n which_o this_o learned_a author_n bring_v p._n 120._o seem_v to_o favour_v my_o sense_n of_o the_o first_o for_o the_o papyr_n extendible_a by_o force_n but_o otherwise_o contract_v itself_o make_v fast_o at_o the_o upper_a end_n of_o the_o tube_n and_o upon_o the_o descent_n of_o the_o mercury_n be_v extend_v as_o also_o a_o bladder_n so_o fasten_v and_o close_o tie_v in_o the_o neck_n and_o be_v blow_v out_o at_o the_o descent_n of_o the_o quicksilver_n both_o these_o seem_v effect_n of_o a_o ineffectual_a effort_n in_o the_o hylarchical_a spirit_n of_o the_o world_n to_o supply_v that_o nakedness_n or_o emptiness_n of_o the_o tube_n of_o that_o matter_n it_o ought_v to_o be_v replenish_v with_o as_o far_o as_o it_o can_v and_o that_o make_v it_o extend_v the_o papyr_n to_o supply_v as_o far_o as_o it_o will_v go_v and_o to_o blow_v up_o the_o bladder_n by_o put_v the_o grosser_n particle_n in_o it_o upon_o motion_n that_o be_v rarefy_v what_o moisture_n there_o be_v in_o the_o bladder_n which_o it_o be_v no_o wonder_n when_o there_o be_v a_o hole_n in_o the_o bladder_n be_v not_o do_v for_o then_o those_o particle_n get_v out_o and_o be_v disperse_v throughout_o the_o whole_a vacuity_n but_o that_o the_o whole_a bladder_n shall_v be_v blow_v up_o by_o attraction_n i_o shall_v take_v occasion_n 32._o hereafter_o to_o show_v to_o be_v a_o mistake_n remark_n the_o sixteen_o that_o aphorism_n of_o our_o learned_a author_n p._n 122._o that_o regular_o all_o natural_a bodily_a effect_n be_v wrought_v by_o a_o contact_n of_o some_o active_a body_n upon_o the_o patient_a this_o to_o i_o seem_v to_o contradict_v the_o phaenomena_n of_o nature_n and_o in_o motion_n confess_o so_o call_v most_o numerous_o and_o universal_o which_o be_v not_o unless_o ex_fw-la accidenti_fw-la mechanical_a but_o vital_a the_o descent_n of_o a_o stone_n be_v vital_a as_o i_o have_v prove_v in_o my_o enchiridium_fw-la metaphysicum_fw-la but_o its_o hit_v or_o occursion_n against_o any_o thing_n whereby_o it_o move_v that_o be_v only_o mechanical_a motion_n in_o the_o thing_n so_o move_v otherwise_o motion_n be_v not_o by_o knock_v or_o crowd_v but_o by_o vital_a transpose_n of_o part_n as_o be_v most_o manifest_a in_o fluids_n the_o part_n not_o gravitate_v one_o against_o another_o but_o be_v joint_o and_o free_o move_v by_o that_o vital_a principle_n which_o we_o call_v the_o hylarchick_a spirit_n of_o the_o world_n upon_o chapter_n the_o eight_o remark_n the_o seventeen_o our_o author_n reason_n passing-well_a against_o a_o free_a permeation_n of_o the_o aether_n into_o the_o glass-tube_n derelict_v of_o the_o quicksilver_n because_o the_o quicksilver_n than_o will_v subside_o to_o the_o bottom_n as_o when_o there_o be_v but_o a_o hole_n at_o the_o top_n of_o the_o tube_n no_o big_a than_o a_o pin_n point_n because_o then_o the_o air_n he_o think_v may_v come_v in_o free_o so_o if_o the_o aether_n can_v come_v in_o free_o through_o the_o pore_n of_o the_o glass_n the_o mercury_n will_v subside_o in_o that_o case_n too_o but_o that_o the_o subtle_a part_n of_o the_o air_n or_o aether_n can_v upon_o occasion_n though_o not_o so_o free_o penetrate_v the_o pore_n of_o the_o glass_n his_o argument_n for_o this_o assertion_n seem_v to_o i_o altogether_o unsatisfactory_a for_o if_o i_o understand_v he_o aright_o the_o first_o thing_n he_o offer_v to_o prove_v it_o by_o be_v that_o if_o they_o
it_o which_o may_v fill_v it_o about_o half_a full_a but_o not_o so_o close_o lute_v but_o that_o some_o air_n though_o but_o at_o a_o pin_n hole_n may_v come_v in_o the_o water_n in_o the_o bottle_n will_v be_v whole_o draw_v up_o into_o the_o bolts-head_n but_o if_o the_o bolts-head_n be_v hasty_o so_o close_v that_o no_o air_n can_v enter_v into_o it_o some_o water_n will_v indeed_o rise_v as_o far_o as_o into_o the_o shank_n of_o the_o bolts-head_n but_o the_o whole_a water_n will_v not_o ascend_v into_o the_o bolts-head_n as_o before_o it_o do_v which_o say_v this_o learned_a author_n be_v a_o plain_a argument_n against_o that_o huge_a elasticity_n of_o the_o air_n that_o some_o imagine_v for_o no_o fresh_a air_n be_v let_v in_o by_o this_o strict_a closure_n the_o force_n of_o the_o rarefy_a air_n in_o the_o bolts-head_n be_v more_o entire_a and_o as_o he_o conceive_v the_o attraction_n more_o powerful_a to_o raise_v the_o water_n as_o before_o if_o there_o be_v any_o thing_n near_o that_o elasticity_n in_o the_o common_a air_n that_o be_v imagine_v there_o that_o it_o can_v expand_v itself_o into_o 40_o time_n a_o large_a space_n if_o need_v be_v nor_o will_v the_o weight_n say_v he_o of_o the_o interpose_a water_n be_v too_o great_a for_o the_o elatery_a of_o the_o air_n in_o this_o case_n to_o drive_v it_o up_o so_o high_a as_o before_o since_o in_o a_o close_a receiver_n it_o be_v able_a according_a to_o their_o opinion_n to_o thrust_v and_o keep_v up_o a_o column_n of_o mercury_n to_o 29_o inch_n high_a possible_o of_o a_o pound_n weight_n or_o more_o why_o therefore_o if_o there_o be_v any_o such_o forcible_a elatery_a of_o the_o air_n can_v it_o thrust_v up_o 5_o or_o 6_o ounce_n of_o water_n about_o 5_o or_o 6_o inch_n high_a into_o the_o bolts-head_n which_o be_v rational_o argue_v against_o that_o huge_a elasticity_n of_o the_o air._n but_o as_o for_o the_o author_n own_o solution_n of_o this_o problem_n from_o tension_n and_o attraction_n i_o be_o as_o little_a satisfy_v with_o as_o he_o with_o their_o elastacity_n and_o be_o reminded_a of_o that_o say_n in_o pliny_n quid_fw-la mirabilius_fw-la esse_fw-la potest_fw-la aquis_fw-la in_o coelo_fw-la stantibus_fw-la but_o the_o same_o miracle_n be_v in_o the_o bolts-head_n neither_o of_o which_o i_o can_v resolve_v into_o any_o mean_a principle_n than_o that_o which_o i_o call_v the_o hylarchical_a or_o hylostatical_a spirit_n of_o the_o world_n as_o for_o that_o of_o tension_n we_o shall_v consider_v in_o chap._n 14_o and_o 15._o upon_o chapter_n the_o fourteen_o remark_n the_o twenty_o eight_o here_o the_o learned_a author_n do_v declare_v himself_o that_o all_o those_o experiment_n which_o the_o virtuoso_n will_v give_v a_o account_n of_o from_o the_o pressure_n and_o elasticity_n of_o the_o air_n p._n 203._o be_v plain_o perform_v by_o suction_n and_o attraction_n of_o the_o air_n when_o put_v under_o a_o great_a tension_n or_o rarefaction_n which_o i_o must_v confess_v i_o be_o much_o concern_v to_o examine_v how_o true_a it_o be_v in_o reference_n to_o what_o i_o have_v write_v of_o the_o experiment_n of_o the_o weight_n hang_v at_o the_o embolus_fw-la of_o the_o air-pump_n in_o my_o enchiridium_fw-la metaphysicum_fw-la 2._o on_o which_o therefore_o i_o may_v touch_v something_o in_o this_o chapter_n but_o more_o full_o discover_v the_o mistake_n of_o this_o opinion_n in_o the_o next_o where_o the_o learned_a author_n pretend_v to_o deliver_v the_o true_a cause_n of_o the_o suspension_n of_o the_o mercury_n in_o the_o torricellian_a experiment_n remark_n the_o twenty_o nine_o that_o the_o mercury_n in_o the_o torricellian_a experiment_n p._n 203._o l._n 12._o will_v fall_v 2_o or_o 3_o inch_n as_o it_o shall_v be_v place_v at_o the_o bottom_n of_o a_o hill_n or_o at_o the_o top_n of_o the_o hill_n or_o upon_o the_o change_n of_o weather_n be_v reasonable_a to_o i_o because_o of_o the_o different_a consistency_n of_o the_o air_n which_o abound_v more_o or_o less_o with_o the_o materia_fw-la subtilissima_fw-la and_o so_o can_v more_o easy_o transmit_v it_o through_o the_o pore_n of_o the_o glass_n with_o less_o violence_n do_v to_o its_o consistence_n which_o very_a experiment_n methinks_v to_o i_o be_v a_o argument_n against_o the_o opinion_n of_o tension_n and_o subtle_a part_n come_v from_o the_o mercury_n itself_o for_o than_o it_o be_v all_o one_o in_o what_o weather_n or_o where_o the_o glass_n be_v place_v but_o the_o mercury_n subside_v in_o clear_a and_o cold_a weather_n in_o high_a place_n on_o the_o top_n of_o the_o hill_n where_o the_o air_n be_v not_o so_o much_o stuff_v with_o vapour_n it_o be_v plain_a this_o change_n depend_v on_o the_o more_o easy_a entrance_n of_o the_o materia_fw-la subtilissima_fw-la through_o the_o pore_n of_o the_o glass_n and_o that_o the_o consistency_n of_o air_n be_v not_o so_o strong_a there_o but_o a_o lesser_a weight_n will_v break_v it_o than_o in_o a_o thick_a remark_n the_o thirty_o that_o upon_o a_o strong_a exhaustion_n in_o the_o air-pump_n a_o dry_a bladder_n well_o tie_v and_o blow_v moderate_o full_a be_v break_v as_o likewise_o glass-bubble_n etc._n etc._n that_o a_o bladder_n the_o great_a part_n of_o its_o air_n squeeze_v out_o and_o the_o neck_n tie_v very_o close_o and_o a_o weight_n fasten_v to_o it_o and_o put_v into_o a_o large_a glass_n fill_v with_o water_n to_o be_v place_v on_o the_o air-pump_n and_o then_o cover_v with_o a_o large_a receiver_n well_o lute_v to_o the_o pump_n the_o air_n pump_v out_o of_o the_o large_a receiver_n this_o bladder_n below_o the_o water_n will_v swell_v till_o by_o continue_v the_o pump_v it_o will_v be_v full_o blow_v and_o last_o that_o water_n spirit_n of_o wine_n etc._n etc._n will_v be_v raise_v to_o run_v out_o of_o a_o glass_n and_o that_o bubble_n will_v be_v form_v at_o the_o bottom_n of_o a_o include_v glass_n of_o water_n in_o such_o a_o great_a receiver_n so_o that_o all_o be_v put_v into_o a_o various_a agitation_n all_o this_o the_o learned_a author_n resolve_v into_o the_o tension_n of_o the_o rarefy_a air_n in_o the_o receiver_n which_o i_o must_v again_o confess_v i_o be_o as_o little_a satisfy_v with_o as_o he_o be_v with_o their_o elasticity_n of_o the_o air_n nor_o do_v i_o think_v either_o of_o they_o true_a but_o this_o i_o think_v that_o in_o the_o bladder_n and_o glass-bubble_n that_o break_v there_o be_v a_o strong_a agitation_n of_o the_o part_n of_o the_o air_n and_o that_o it_o be_v that_o which_o material_o act_v against_o the_o inward-side_n of_o the_o glass-bubble_n and_o bladder_n not_o the_o exterior_a matter_n by_o attraction_n but_o there_o be_v a_o furious_a agitation_n of_o the_o interior_a which_o be_v not_o from_o any_o former_a elasticity_n but_o which_o it_o acquire_v pro_fw-la re_fw-la nata_fw-la as_o furious_a wind_n be_v raise_v in_o the_o north_n in_o the_o great_a world_n upon_o dissolution_n of_o aqueous_a particle_n of_o the_o cloud_n which_o furious_a and_o rapid_a motion_n it_o be_v impossible_a for_o they_o to_o acquire_v from_o mere_a heat_n but_o from_o some_o high_a principle_n and_o the_o same_o principle_n i_o suppose_v to_o act_v here_o be_v raise_v into_o a_o fierce_a or_o quick_a activity_n to_o reduce_v the_o matter_n in_o the_o exhaust_a receiver_n as_o near_o as_o it_o can_v to_o a_o consistency_n more_o suitable_a to_o the_o rest_n of_o the_o air_n at_o this_o pitch_n from_o the_o earth_n but_o there_o be_v no_o heat_n in_o the_o bladder_n or_o glass-buble_n or_o in_o the_o receiver_n that_o can_v so_o furious_o agitate_v the_o matter_n in_o they_o and_o that_o here_o be_v such_o a_o boil_a agitation_n and_o bubble_a in_o water_n spirit_n of_o wine_n etc._n etc._n it_o be_v a_o plain_a indication_n that_o these_o thing_n happen_v not_o by_o way_n of_o tension_n but_o of_o excitation_n and_o a_o furious_a dispersion_n of_o the_o part_n to_o thicken_v as_o much_o as_o may_v be_v the_o whole_a matter_n in_o the_o receiver_n that_o be_v so_o high_o thin_a above_o the_o measure_n of_o matter_n so_o near_o the_o earth_n and_o amid_o our_o crass_a air._n not_o to_o speak_v of_o other_o thing_n that_o may_v be_v allege_v which_o i_o shall_v reserve_v for_o the_o ensue_a chapter_n remark_n the_o thirty_o first_o as_o for_o that_o experiment_n in_o regius_n it_o be_v very_o improper_o bring_v in_o p._n 212._o l._n 21._o for_o such_o a_o attraction_n as_o our_o author_n stand_v for_o namely_o such_o as_o be_v make_v upon_o this_o kind_n of_o rarefaction_n and_o tension_n for_o there_o be_v not_o the_o least_o pretence_n to_o any_o rarefaction_n or_o tension_n of_o this_o kind_n in_o that_o experiment_n but_o only_o a_o circle_n of_o motion_n in_o the_o air_n the_o mouth_n draw_v in_o the_o air_n into_o the_o thorax_n by_o one_o part_n
of_o a_o tobacco-pipe_n and_o the_o thorax_n be_v distend_v press_v the_o external_a air_n which_o find_v its_o way_n into_o the_o other_o tobacco-pipe_n light_v with_o tobacco_n in_o it_o the_o small_a end_n immerse_v into_o the_o water_n and_o through_o the_o water_n the_o air_n and_o smoke_n pass_v and_o continue_v its_o course_n till_o it_o come_v into_o the_o other_o piece_n of_o a_o tobacco-pipe_n which_o though_o it_o pass_v the_o close_a cover_n of_o the_o vial_n yet_o do_v not_o pass_v into_o the_o water_n itself_o but_o fall_v short_a of_o it_o and_o so_o get_v into_o that_o piece_n of_o a_o tobacco-pipe_n after_o it_o have_v pass_v through_o the_o water_n and_o get_v into_o the_o air_n betwixt_o the_o cover_n of_o the_o glass_n and_o water_n it_o go_v into_o the_o tobacconist_n mouth_n and_o so_o complete_v the_o whole_a circle_n but_o here_o be_v not_o one_o jot_n of_o tension_n or_o rarefaction_n of_o the_o air_n all_o this_o time_n but_o only_o of_o the_o tobacco_n which_o be_v turn_v into_o a_o fume_n but_o that_o all_o the_o part_n of_o the_o water_n to_o the_o very_a bottom_n of_o it_o and_o the_o granule_n of_o sand_n lie_v at_o the_o bottom_n of_o the_o water_n be_v put_v into_o a_o tumultuary_a motion_n that_o be_v no_o wonder_n when-as_a the_o air_n and_o smoke_n be_v force_v to_o find_v their_o way_n through_o the_o water_n and_o may_v a_o little_a illustrate_a and_o facilitate_v the_o conception_n of_o the_o true_a reason_n of_o those_o tumult_n and_o agitation_n of_o water_n and_o the_o spirit_n of_o wine_n above_o mention_v observe_v in_o the_o exhaust_a receiver_n namely_o because_o a_o more_o subtle_a and_o active_a element_n come_v in_o through_o the_o pore_n of_o the_o glass_n as_o the_o hurry_n of_o the_o tobacco-fume_n and_o air_n through_o the_o water_n in_o this_o last_o experiment_n and_o that_o they_o have_v a_o more_o than_o ordinary_a excitation_n in_o they_o from_o the_o move_a principle_n for_o the_o reason_n above_o specify_v but_o that_o tension_n have_v nothing_o to_o do_v in_o these_o thing_n i_o shall_v further_o confirm_v upon_o what_o occurr_n in_o the_o follow_a chapter_n upon_o chapter_n the_o fifteen_o remark_n the_o twenty_o second_o in_o this_o chapter_n the_o learned_a author_n lay_v down_o the_o true_a cause_n as_o he_o conceive_v of_o the_o suspension_n of_o the_o mercury_n in_o the_o glass-tube_n in_o the_o torricellian_a experiment_n and_o he_o take_v occasion_n to_o speak_v of_o three_o kind_n thereof_o but_o i_o shall_v take_v notice_n only_o of_o one_o and_o that_o the_o chief_a of_o they_o in_o which_o if_o i_o plain_o discover_v his_o mistake_n i_o suppose_v there_o will_v be_v no_o controversy_n touch_v the_o other_o two_o this_o experiment_n than_o be_v when_o a_o tube_n suppose_v of_o four_o foot_n long_o be_v fill_v full_a of_o quicksilver_n and_o so_o invert_v and_o immit_v into_o a_o vessel_n of_o restagnant_fw-la quicksilver_n upon_o which_o the_o mercury_n in_o the_o glass-tube_n will_v descend_v to_o 29_o inch_n and_o a_o half_a and_o leave_v about_o 18_o inch_n in_o the_o tube_n destitute_a of_o mercury_n the_o reason_n of_o this_o phaenomenon_n the_o author_n give_v to_o be_v this_o the_o expression_n and_o ascension_n of_o some_o mercurial_a vapour_n or_o particle_n at_o large_a force_v up_o by_o the_o agitation_n and_o pression_n of_o the_o part_n of_o the_o mercury_n and_o withal_o their_o tension_n that_o they_o may_v be_v able_a to_o fill_v so_o great_a a_o space_n as_o the_o 18_o inch_n of_o the_o tube_n devoid_a of_o the_o body_n of_o mercury_n this_o be_v his_o solution_n of_o this_o problem_n but_o the_o reason_n upon_o which_o this_o solution_n be_v build_v be_v not_o sufficient_o firm_a for_o first_o he_o suppose_v no_o aëreal_a particle_n pass_v through_o the_o mercury_n to_o get_v into_o the_o derelicted_a space_n of_o the_o tube_n that_o it_o must_v necessary_o be_v the_o effluvia_fw-la of_o the_o mercury_n itself_o that_o ascend_v when-as_a by_o the_o 3._o and_o 4._o part_n of_o my_o first_o remark_n there_o be_v such_o subtle_a part_n in_o the_o air_n that_o they_o penetrate_v the_o pore_n of_o the_o glass_n and_o then_o second_o for_o the_o pression_n and_o agitation_n of_o the_o part_n of_o the_o mercury_n the_o pression_n of_o fluid_n on_o fluid_n of_o the_o same_o kind_n be_v nothing_o in_o a_o manner_n and_o the_o agitation_n observe_v may_v be_v much_o diminish_v if_o not_o whole_o prevent_v by_o a_o leisurely_o oblique_a immission_n of_o the_o tube_n and_o so_o by_o degree_n bring_v it_o to_o a_o perpendicular_a whence_o there_o will_v be_v either_o no_o mercurial_a effluvia_fw-la raise_v or_o else_o the_o copiousness_n of_o they_o so_o vary_v according_o as_o they_o shall_v take_v heed_n to_o prevent_v the_o tumultuary_a agitation_n that_o the_o suspension_n of_o the_o mercury_n will_v not_o be_v the_o same_o at_o all_o time_n but_o sometime_o low_o sometime_o high_o nor_o be_v that_o lucta_fw-la in_o the_o mercury_n from_o the_o endeavour_v of_o nature_n to_o give_v tension_n to_o the_o effluvia_fw-la but_o betwixt_o the_o weight_n of_o the_o column_n of_o mercury_n and_o the_o resistency_n of_o the_o consistence_n of_o the_o compressible_a air._n nor_o last_o will_v that_o experiment_n of_o the_o quicksilver_n so_o forcible_o rise_v against_o the_o top_n of_o the_o tube_n if_o it_o be_v sudden_o lift_v up_o prove_v any_o such_o lute-string-like_a tension_n in_o the_o suppose_a effluvia_fw-la for_o in_o this_o case_n there_o be_v that_o which_o this_o learned_a author_n admit_v of_o both_o phrase_n and_o thing_n that_o be_v gravitatio_fw-la sursum_fw-la and_o upon_o the_o more_o sudden_a pluck_v up_o the_o tube_n the_o consistence_n of_o the_o air_n not_o let_v in_o the_o subtle_a element_n and_o there_o be_v no_o vacuum_n any_o where_o nor_o penetration_n of_o dimension_n the_o air_n be_v drive_v upon_o the_o restagnant_fw-la quicksilver_n and_o the_o restagnant_fw-la quicksilver_n into_o the_o mouth_n of_o the_o tube_n and_o so_o be_v as_o it_o be_v a_o flux_n of_o water_n into_o a_o far_o straight_a channel_n and_o therefore_o it_o must_v there_o proportionable_o run_v the_o swift_a and_o this_o swift_a motion_n in_o so_o heavy_a a_o body_n as_o mercury_n must_v needs_o be_v the_o strong_a and_o more_o peremptory_a come_v against_o so_o thin_a a_o body_n as_o that_o subtle_a matter_n in_o the_o tube_n even_o to_o the_o danger_n of_o break_v it_o so_o that_o the_o whole_a be_v as_o it_o be_v a_o quick_a gravitation_n sursum_fw-la by_o a_o circle_n of_o motion_n against_o that_o thin_a element_n at_o the_o upper_a end_n of_o the_o tube_n which_o plain_o show_v that_o there_o be_v no_o ground_n for_o tension_n there_o be_v such_o reason_n for_o circumpulsion_n and_o thus_o i_o have_v show_v the_o groundlesness_n of_o his_o reason_n but_o in_o the_o next_o chapter_n i_o shall_v discover_v the_o repugnancy_n of_o his_o assertion_n upon_o chapter_n the_o sixteen_o remark_n the_o thirty_o three_o in_o this_o chapter_n he_o set_v down_o the_o two_o supposition_n he_o hold_v necessary_a for_o the_o maintain_n of_o his_o former_a solution_n of_o the_o torricellian_a phaenomenon_n the_o first_o be_v that_o there_o be_v no_o vacuum_n in_o nature_n the_o second_o that_o thin_a or_o subtle_a body_n be_v capable_a of_o tension_n and_o of_o attraction_n and_o strong_a adhaesion_n to_o other_o body_n and_o cohaesion_n of_o one_o part_n to_o another_o as_o in_o a_o lutestring_n as_o be_v his_o familiar_a illustration_n save_v that_o in_o a_o lutestring_n the_o tension_n one_o way_n straiten_n it_o another_o way_n and_o make_v the_o lutestring_n narrow_a but_o here_o the_o tension_n and_o cohaesion_n be_v every_o way_n at_o once_o as_o for_o the_o first_o that_o there_o be_v no_o vacuum_n it_o be_v grant_v which_o make_v his_o denial_n of_o the_o pass_n of_o any_o aërial_a part_n or_o particle_n in_o the_o air_n through_o the_o glass_n or_o mercury_n repugnant_a to_o his_o own_o suppose_a principle_n for_o it_o be_v plain_a that_o the_o immersion_n of_o the_o tube_n may_v be_v make_v so_o oblique_o and_o leisurely_o as_o neither_o to_o press_v out_o nor_o fridge_n out_o any_o mercurial_a effluvia_fw-la it_o follow_v there_o will_v be_v a_o vacuum_n or_o if_o some_o few_o shall_v arise_v what_o will_v they_o do_v when_o the_o top_n of_o the_o tube_n be_v like_o a_o bolts-head_n contain_v the_o capacity_n of_o many_o pound_n of_o mercury_n there_o must_v be_v a_o vacuum_n or_o such_o a_o tension_n of_o those_o few_o effluvia_fw-la that_o i_o shall_v think_v it_o will_v exceed_v all_o belief_n in_o the_o very_a author_n himself_o but_o let_v this_o go_v there_o be_v enough_o in_o what_o remain_v utter_o to_o destroy_v this_o hypothesis_n of_o the_o author_n i_o mean_v these_o two_o thing_n comprise_v in_o the_o second_o member_n mere_a tension_n
or_o 30_o inch_n high_a but_o for_o the_o sustain_n of_o it_o it_o be_v acknowledge_v of_o every_o side_n that_o 10_o pound_n weight_n of_o mercury_n 29_o inch_n high_a be_v susustain_v whatever_o it_o be_v that_o sustain_v it_o the_o elastic_a philosopher_n say_v it_o be_v the_o elatery_a of_o the_o air_n in_o the_o glass-bottle_n which_o bear_v so_o strong_o against_o the_o restagnant_fw-la mercury_n that_o the_o 29_o inch_n of_o mercury_n that_o weigh_v 10_o pound_n weight_n can_v descend_v into_o the_o restagnant_fw-la mercury_n but_o our_o learned_a author_n here_o most_o rational_o deny_v it_o aver_v that_o if_o there_o be_v so_o strong_a a_o elatery_a of_o the_o air_n as_o to_o drive_v up_o or_o bear_v up_o 10_o pound_n weight_n of_o mercury_n which_o be_v here_o 29_o inch_n in_o the_o pipe_n or_o tube_n certain_o the_o same_o elasticity_n will_v drive_v or_o bear_v up_o one_o inch_n of_o water_n into_o the_o pipe_n or_o tube_n it_o be_v many_o hundred_o time_n light_a than_o those_o 29_o inch_n of_o mercury_n but_o here_o the_o elastic_a philosopher_n seek_v a_o witty_a refuge_n viz._n that_o it_o be_v the_o non-resistence_a of_o the_o materia_fw-la subtilis_fw-la that_o be_v destitute_a of_o all_o elasticity_n which_o be_v the_o reason_n of_o the_o prevalency_n of_o the_o elatery_a of_o the_o air_n to_o mount_v up_o or_o sustain_v so_o great_a weight_n of_o quicksilver_n but_o there_o be_v air_n in_o the_o pipe_n of_o like_a elasticity_n with_o that_o in_o the_o glass-bottle_n in_o this_o other_o case_n that_o it_o be_v that_o that_o stop_v all_o such_o motion_n of_o the_o water_n upward_o but_o this_o be_v to_o indulge_v to_o pretty_a fancy_n against_o palpable_a sense_n and_o all_o true_a reason_n it_o be_v already_o acknowledge_v by_o these_o elastic_a philosopher_n that_o there_o be_v a_o elatery_a of_o the_o air_n in_o the_o glass_n that_o will_v at_o least_o sustain_v if_o not_o raise_v up_o a_o ten_o pound_n weight_n now_o if_o there_o be_v not_o a_o elatery_a in_o the_o air_n of_o the_o pipe_n so_o strong_a as_o may_v resist_v such_o a_o force_n but_o exceed_o far_o weak_a if_o any_o at_o all_o the_o water_n must_v rise_v or_o stand_v a_o inch_n high_a at_o least_o neither_o which_o be_v do_v but_o now_o you_o may_v feel_v with_o your_o finger_n end_n how_o exceed_o weak_a the_o elatery_a of_o just_a such_o a_o cylinder_n of_o air_n be_v as_o be_v in_o the_o pipe_n if_o you_o make_v a_o tube_n of_o the_o same_o diameter_n with_o that_o pipe_n and_o make_v a_o embolus_fw-la of_o some_o wood_n equiponderant_a or_o at_o least_o not_o light_a than_o water_n and_o so_o fit_a it_o to_o the_o pipe_n that_o it_o may_v slip_v up_o and_o down_o with_o all_o ease_n imaginable_a which_o it_o may_v do_v and_o be_v close_o enough_o if_o it_o be_v oil_v and_o this_o easy_a slip_n up_o and_o down_o of_o it_o may_v be_v a_o argument_n how_o weak_a the_o elatery_a of_o the_o air_n be_v in_o it_o but_o that_o they_o will_v straight_o answer_v that_o you_o move_v the_o emboblus_fw-la so_o easy_o upward_a because_o the_o recoil_n elatery_a help_n you_o but_o do_v not_o the_o direct_a as_o much_o hinder_v i_o but_o put_v your_o embolus_fw-la in_o the_o water_n who_o surface_n i_o suppose_v the_o upper_a end_n of_o the_o embolus_fw-la will_v lie_v even_o with_o then_o put_v the_o tube_n on_o the_o embolus_fw-la and_o put_v your_o hand_n into_o the_o water_n with_o your_o finger_n move_v up_o the_o embolus_fw-la which_o you_o shall_v find_v to_o move_v against_o the_o elatery_a of_o the_o air_n in_o the_o tube_n if_o there_o be_v any_o with_o extreme_a ease_n you_o will_v discern_v that_o the_o force_n of_o 1_o 4_o of_o a_o pound_n weight_n at_o most_o will_v repel_v the_o air_n with_o its_o elatery_a how_o then_o can_v it_o resist_v the_o force_n that_o will_v draw_v up_o or_o sustain_v forty_o time_n as_o much_o wherefore_o it_o be_v plain_a upon_o supposition_n that_o the_o elasticity_n of_o the_o air_n be_v so_o strong_a 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