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end_n foot_n inch_n square_a 1,999 5 12.7166 5 true
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ID Title Author Corrected Date of Publication (TCP Date of Publication) STC Words Pages
A44172 An essay touching the gravitation, or non-gravitation of fluid bodies, and the reasons thereof Hale, Matthew, Sir, 1609-1676. 1673 (1673) Wing H244; ESTC R16205 22,218 94

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i_o shall_v now_o consider_v the_o gravitation_n of_o solid_n not_o unite_v and_o cement_v together_o either_o by_o contunity_n of_o part_n or_o that_o which_o may_v be_v equivalent_a lime_n cement_n or_o mortar_n as_o in_o brick-wal_n or_o house_n but_o of_o such_o solid_n as_o be_v unite_v only_o by_o contiguity_n i_o will_v therefore_o suppose_v a_o pyramid_n or_o if_o you_o will_v a_o pillar_n or_o wall_n for_o it_o will_v come_v all_o to_o one_o pass_n have_v a_o foundation_n of_o twelve_o stone_n every_o way_n a_o foot_n square_a and_o pile_v up_o one_o upon_o another_o break_v off_o joint_a according_a to_o art_n of_o masoncy_n but_o without_o cement_n or_o mortar_n so_o that_o it_o will_v be_v twelve_o foot_n square_a at_o the_o base_a according_a to_o this_o figure_n 03_o and_o consequent_o the_o area_n at_o the_o base_a be_v 144_o square_a foot_n in_o this_o figure_n these_o thing_n be_v observable_a the_o upper_a stone_n mark_v 1_o be_v support_v by_o the_o four_o next_o 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question_v but_o that_o the_o air_n yea_o or_o atmosphere_n have_v that_o prodigious_a gravitation_n that_o the_o late_a master_n of_o experiment_n have_v attribute_v to_o it_o be_v i_o suppose_v a_o mistake_a assertion_n as_o for_o instance_n that_o upon_o a_o restagnant_fw-la vessel_n of_o three_o inch_n diameter_n the_o weight_n of_o the_o incumbent_a column_n of_o air_n actual_o gravitate_v upon_o that_o restagnant_fw-la vessel_n of_o quicksilver_n and_o commensurate_a to_o the_o base_a thereof_o and_o extend_v from_o the_o same_o to_o the_o upper_a surface_n of_o the_o atmosphere_n which_o they_o suppose_v to_o be_v 6_o or_o 7_o mile_n shall_v counterpoise_v a_o suspend_v column_n of_o quicksilver_n which_o may_v be_v 2_o 3_o 4_o or_o 5_o pound_n according_a to_o the_o bigness_n of_o the_o tube_n this_o i_o say_v seem_v to_o i_o but_o a_o imagination_n and_o impossible_a to_o be_v true_a and_o will_v choke_v all_o animal_n on_o the_o earth_n in_o two_o minute_n if_o it_o be_v so_o for_o the_o plain_a truth_n be_v the_o air_n no_o nor_o yet_o the_o atmosphere_n notwithstanding_o its_o interspersion_n have_v no_o considerable_a gravitation_n upon_o subject_v body_n and_o the_o reason_n be_v in_o effect_n before_o give_v in_o the_o case_n of_o the_o water_n and_o its_o gravitation_n but_o with_o much_o great_a advantage_n applicable_a to_o the_o air._n 1._o the_o body_n of_o the_o air_n be_v not_o only_a quid_fw-la continuum_fw-la but_o the_o part_n of_o it_o be_v so_o contiguate_v like_o a_o net_n that_o each_o part_n support_v another_o and_o it_o be_v as_o impossible_a that_o one_o part_n shall_v gravitate_fw-la considerable_o upon_o any_o subject_v body_n as_o the_o arch_n of_o westminster_n abby_n shall_v gravitate_fw-la upon_o the_o people_n in_o the_o church_n 2._o the_o conatus_fw-la ad_fw-la motum_fw-la and_o consequent_o the_o gravitation_n of_o the_o air_n be_v quoquoversum_fw-la viz._n sursum_fw-la deorsum_fw-la dextrorsum_fw-la sinistrorsum_fw-la etc._n etc._n it_o will_v come_v down_o my_o chimney_n and_o in_o at_o my_o door_n and_o up_o my_o stair_n and_o these_o various_a conatus_fw-la ad_fw-la motum_fw-la of_o the_o air_n and_o of_o its_o particle_n do_v necessary_o refract_v any_o gravitation_n that_o it_o may_v imaginable_o have_v per_fw-la lineam_fw-la perpendicularem_fw-la descensus_fw-la and_o render_v it_o equable_v and_o disengage_v from_o any_o one_o line_n of_o presence_n and_o by_o this_o conatus_fw-la ad_fw-la motum_fw-la i_o mean_v not_o that_o imaginary_a elaterium_n which_o some_o have_v call_v in_o to_o the_o aid_n of_o their_o solution_n of_o the_o torricellian_a experiment_n which_o i_o must_v needs_o say_v needs_o more_o help_n than_o one_o for_o though_o air_n violent_o compress_v as_o in_o wind-gun_n have_v its_o conatus_fw-la of_o restitution_n to_o its_o natural_a staple_n and_o be_v expanded_a by_o rarifaction_n have_v its_o natural_a motion_n or_o conatus_fw-la of_o restitution_n to_o its_o due_a consistency_n as_o appear_v in_o the_o torricellian_a and_o divers_a other_o experiment_n yet_o the_o great_a elaterium_n of_o the_o air_n in_o its_o natural_a consistence_n call_v in_o by_o some_o to_o help_v at_o a_o lift_n as_o it_o have_v little_a evidence_n so_o it_o contribute_v less_o to_o the_o solution_n indeed_o it_o have_v a_o fluidity_n great_a than_o water_n and_o therefore_o be_v movable_a to_o all_o place_n for_o its_o reception_n it_o be_v compressible_a which_o water_n be_v not_o but_o for_o any_o elaterium_fw-la or_o such_o considerable_a expansion_n of_o itself_o as_o to_o offer_v any_o force_n to_o other_o body_n seem_v unwarrant_v by_o reason_n or_o experience_n or_o common_a sense_n unless_o where_o by_o violence_n or_o accident_n compress_v or_o expanded_a beyond_o its_o natural_a size_n but_o i_o do_v not_o at_o present_a pursue_v this_o matter_n to_o all_o its_o refuge_n it_o require_v more_o time_n and_o paper_n and_o will_v exceed_v the_o bound_n of_o my_o intend_a pamphlet_n and_o beside_o the_o discussion_n beforego_v touch_v the_o reason_n of_o non-gravitation_a of_o water_n render_v that_o concern_v non-gravitation_a of_o air_n easy_o intelligible_a and_o applicable_a to_o it_o with_o much_o great_a advantage_n of_o reason_n and_o evidence_n finis_fw-la