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end_n draw_v line_n perpendicular_a 3,095 5 14.0786 5 true
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ID Title Author Corrected Date of Publication (TCP Date of Publication) STC Words Pages
A55584 Experimental philosophy, in three books containing new experiments microscopical, mercurial, magnetical : with some deductions, and probable hypotheses, raised from them, in avouchment and illustration of the now famous atomical hypothesis / by Henry Power ... Power, Henry, 1623-1668. 1664 (1664) Wing P3099; ESTC R19395 93,498 218

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opinion_n have_v many_o eminent_a advocate_n and_o avoucher_n gassend_n doctor_n ward_n doctor_n charleton_n etc._n etc._n the_o late_a novellist_n that_o have_v undertake_v this_o experimental_a philosophy_n be_v one_o linus_n aliâs_fw-la hall_n who_o have_v excogitated_a a_o new_a principle_n of_o his_o own_o whereby_o he_o not_o only_a salve_n all_o the_o phaenomena_n in_o the_o torricellian-experiment_n former_o deliver_v but_o also_o all_o those_o strange_a experiment_n discover_v since_o by_o gerricus_n and_o boyl_n pneumatical_a engine_n his_o principle_n he_o thus_o lay_v down_o 1._o that_o there_o be_v a_o inseparability_n of_o body_n so_o that_o there_o can_v be_v no_o vacuity_n in_o rerum_fw-la natura_fw-la 2._o that_o the_o desert_a space_n of_o the_o tube_n in_o the_o torricellian-experiment_n be_v fill_v with_o a_o small_a film_n of_o quicksilver_n which_o be_v take_v off_o the_o
water_n as_o in_o the_o former_a experiment_n at_o the_o top_n of_o the_o say_a hill_n respective_o to_o what_o it_o be_v at_o the_o bottom_n with_o this_o observable_a that_o in_o the_o greatest-headed_n weatherglass_n which_o include_v most_o air_n in_o it_o the_o descent_n of_o the_o water_n be_v great_a as_o be_v most_o depress_v by_o the_o great_a quantity_n of_o the_o include_v ayr._n chap._n xii_o experiment_n in_o capillary_n tubes_fw-la and_o syphon_n experiment_n 1._o take_v a_o small_a capillary_a glass-pipe_n or_o tube_n open_a at_o both_o end_n and_o dip_v the_o one_o extreme_a perpendicular_a into_o the_o water_n you_o shall_v see_v the_o water_n spontaneous_o arise_v to_o a_o competent_a height_n in_o the_o tube_n with_o a_o quick_a and_o smart_a ascent_n note_n first_o that_o the_o inside_n of_o the_o pipe_n ought_v to_o be_v very_o clean_a as_o well_o from_o dust_n and_o little_a bubble_n as_o film_n of_o water_n which_o will_v remain_v in_o the_o pipe_n when_o the_o water_n be_v blow_v or_o suck_v out_o of_o it_o second_o it_o must_v be_v perfect_o dry_a from_o any_o other_o liquor_n which_o will_v not_o mingle_v with_o water_n as_o oil_n etc._n etc._n three_o if_o you_o moisten_v the_o pipe_n first_o with_o water_n before_o you_o try_v the_o experiment_n the_o ascent_n of_o the_o water_n will_v be_v more_o quick_a and_o lively_a four_o that_o not_o only_a water_n but_o milk_n wine_n oil_n and_o other_o liquor_n except_o quicksilver_n will_v likewise_o rise_v to_o a_o certain_a height_n in_o the_o say_a pipe_n five_o after_o the_o water_n have_v rise_v to_o its_o standard-height_n if_o you_o take_v it_o out_o of_o the_o liquor_n it_o shall_v not_o fall_v out_o at_o all_o if_o you_o invert_v the_o pipe_n the_o include_v cylinder_n of_o water_n will_v fall_v down_o also_o to_o the_o other_o extreme_a also_o the_o deep_a you_o immerge_n it_o in_o the_o vessel_n of_o water_n the_o high_a still_o will_v it_o rise_v in_o the_o pipe_n still_o keep_v 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as_o water_n you_o shall_v see_v the_o oil_n fall_v gradual_o out_o into_o the_o water_n and_o the_o pipe_n gradual_o fill_v with_o water_n and_o arise_v to_o its_o own_o standard_n which_o be_v high_o a_o great_a deal_n than_o the_o standard_n of_o either_o of_o the_o say_a oil_n as_o be_v before_o deliver_v the_o like_a will_v follow_v in_o syphon_n eight_o the_o small_a boar_n that_o your_o tube_n be_v of_o the_o high_a will_v your_o water_n arise_v yet_o we_o can_v never_o get_v it_o to_o arise_v to_o the_o height_n of_o 5._o inch_n as_o mr._n boyle_n mention_n though_o we_o have_v attempt_v it_o in_o tube_n almost_o as_o small_a as_o hair_n or_o as_o art_n can_v make_v they_o nine_o if_o the_o tube_n be_v of_o the_o boar_n of_o a_o ordinary_a quill_n or_o big_a no_o water_n at_o all_o will_v arise_v ten_o that_o little_a or_o no_o difference_n of_o the_o water_n ascent_n in_o the_o former_a tube_n be_v perceptible_a at_o the_o bottom_n or_o top_n of_o our_o hill_n experiment_n 2._o bent_a one_o of_o these_o tube_n into_o a_o little_a syphon_n which_o you_o may_v do_v by_o put_v it_o into_o the_o flame_n of_o a_o candle_n and_o then_o put_v the_o one_o extreme_a thereof_o into_o a_o vessel_n of_o water_n you_o shall_v see_v it_o present_o fall_v a_o run_n on_o its_o own_o accord_n observe_v 1._o that_o the_o perpendicular_a height_n of_o the_o flexure_n of_o the_o syphon_n to_o the_o water_n superficies_n be_v short_a or_o at_o least_o exceed_v not_o that_o standard-height_n unto_o which_o the_o water_n will_v rise_v be_v it_o a_o straight_a pipe_n only_o 2._o that_o the_o pendent_a shank_n hang_v not_o only_o low_a than_o the_o water_n superficies_n but_o by_o such_o a_o determinate_a length_n for_o we_o have_v find_v that_o if_o the_o pendent_a or_o extravasated_a leg_n be_v short_a or_o equal_a or_o but_o a_o little_a low_o than_o the_o superficies_n of_o the_o water_n in_o the_o vessel_n no_o effect_n at_o all_o will_v follow_v but_o the_o pendent_a leg_n will_v hang_v full_a of_o water_n without_o any_o flux_n at_o all_o now_o what_o this_o determinate_a length_n be_v we_o conceive_v the_o pendent_a shank_n must_v be_v long_o from_o the_o flexure_n than_o the_o standard_n of_o the_o liquor_n will_v reach_v and_o than_o it_o will_v run_v as_o other_o syphon_n do_v which_o have_v a_o large_a boar_n so_o that_o you_o see_v the_o mechanical_a reason_n which_o be_v so_o universal_o receive_v by_o all_o man_n why_o the_o pendent_a leg_n in_o syphon_n must_v be_v long_o than_o the_o other_o to_o make_v the_o liquor_n run_v out_o viz._n because_o the_o great_a weight_n of_o water_n in_o the_o pendent_a leg_n overpoise_n and_o sway_v down_o that_o in_o the_o short_a as_o in_o a_o pair_n of_o skales_n be_v not_o universal_o true_a in_o all_o syphon_n whatsoever_o 3._o if_o to_o the_o nose_n of_o the_o pendent_a leg_n you_o apply_v a_o wet_a piece_n of_o glass_n the_o water_n then_o will_v begin_v to_o come_v out_o of_o the_o pipe_n and_o run_v down_o to_o the_o lowermost_a edge_n of_o the_o glass_n where_o gather_v itself_o into_o round_a bubble_n it_o will_v fall_v to_o the_o ground_n but_o than_o you_o must_v observe_v that_o the_o nose_n of_o the_o pendent_a shank_n be_v low_a than_o the_o surface_n of_o the_o water_n in_o the_o vessel_n experiment_n 3._o let_v both_o shanks_n of_o the_o syphon_n be_v fill_v with_o water_n so_o that_o the_o pendent_a leg_n be_v long_o than_o the_o superficies_n of_o the_o water_n and_o yet_o not_o so_o long_o neither_o as_o to_o set_v it_o on_o run_v then_o to_o the_o nose_n of_o the_o pendent_a leg_n apply_v a_o vessel_n of_o milk_n and_o you_o shall_v see_v that_o though_o the_o water_n will_v not_o break_v out_o of_o the_o pipe_n into_o the_o open_a air_n a_o medium_n far_o light_a and_o more_o divisible_a than_o milk_n yet_o it_o do_v run_v out_o into_o the_o milk_n and_o one_o may_v see_v it_o pearl_n up_o again_o without_o mingle_v with_o the_o milk_n at_o a_o little_a darkish_a hole_n like_o a_o spring_n observe_v experiment_n 4._o if_o you_o lift_v the_o vessel_n of_o milk_n with_o the_o pendent_a leg_n drown_v in_o it_o high_a towards_o the_o flexure_n of_o the_o syphon_n so_o that_o the_o superficies_n of_o the_o milk_n be_v near_o the_o flexure_n of_o the_o syphon_n than_o the_o superficies_n of_o the_o water_n you_o shall_v after_o a_o considerable_a time_n see_v the_o milk_n rise_v up_o the_o pendent_a leg_n and_o to_o drive_v back_o the_o water_n and_o have_v fill_v the_o whole_a syphon_n to_o fall_v a_o run_n into_o the_o water-vessel_n with_o this_o difference_n to_o the_o former_a experiment_n that_o whereas_o the_o water_n in_o the_o former_a come_v to_o the_o top_n of_o the_o milk_n the_o milk_n here_o sink_v down_o to_o the_o bottom_n of_o the_o water_n in_o a_o small_a stream_n like_o a_o curl_a white_a thread_n and_o there_o settle_v in_o a_o region_n by_o itself_o experiment_n 5._o now_o contrariwise_o if_o you_o lift_v the_o vessel_n of_o water_n near_o the_o flexure_n of_o the_o syphon_n than_o the_o superficies_n of_o the_o milk_n be_v then_o will_v the_o water_n rise_v over_o the_o syphon_n and_o beat_v out_o the_o milk_n and_o fall_v a_o run_n as_o in_o the_o three_o experiment_n and_o thus_o you_o may_v at_o pleasure_n change_v your_o scene_n and_o make_v the_o syphon_n fall_v a_o run_n either_o with_o milk_n or_o water_n which_o be_v a_o pleasant_a spectacle_n to_o behold_v especial_o if_o the_o water_n be_v tinge_v red_a with_o scutchenel_n my_o worthy_a and_o ever_o honour_a friend_n mr._n charles_n townley_n upon_o confidence_n of_o these_o experiment_n think_v he_o have_v discover_v that_o great_a and_o long_o sought-for_a rarity_n among_o the_o mechanic_n