Selected quad for the lemma: spirit_n

Word A Word B Word C Word D Occurrence Frequency Band MI MI Band Prominent
spirit_n body_n motion_n part_n 6,051 5 4.8378 4 false
View all documents for the selected quad

Text snippets containing the quad

ID Title Author Corrected Date of Publication (TCP Date of Publication) STC Words Pages
A44320 Lectiones Cutlerianæ, or, A collection of lectures, physical, mechanical, geographical, & astronomical made before the Royal Society on several occasions at Gresham Colledge : to which are added divers miscellaneous discourses / by Robert Hooke ... Hooke, Robert, 1635-1703. 1679 (1679) Wing H2617; ESTC R4280 276,083 420

There are 5 snippets containing the selected quad. | View original text

four_o time_n that_o strength_n to_o be_v move_v twice_o as_o fast_o and_o nine_o time_n the_o strength_n to_o be_v move_v thrice_o as_o fast_o and_o sixteen_o time_n the_o strength_n to_o be_v move_v four_o time_n as_o fast_o and_o so_o forward_o this_o be_v most_o certain_o true_a in_o the_o motion_n of_o bullet_n shoot_v out_o of_o cannon_n musket_n pistol_n wind-gun_n crossbow_n spitting-trunk_n and_o the_o like_a as_o likewise_o in_o the_o motion_n of_o arrow_n shoot_v with_o bow_n or_o ballistae_fw-la of_o stone_n throw_v by_o the_o hand_n or_o with_o sling_n of_o pendulum_n move_v by_o gravity_n or_o weight_n of_o musical_a string_n of_o spring_n and_o all_o other_o vibrate_v body_n of_o the_o motion_n of_o wheel_n fly_n etc._n etc._n draw_v and_o turn_v by_o weight_n or_o spring_n of_o the_o motion_n of_o perpendicular_o or_o oblique_o fall_v body_n and_o in_o a_o word_n of_o all_o other_o mechanical_a and_o local_a motion_n allowance_n only_o be_v make_v for_o the_o impediment_n of_o the_o air_n or_o other_o fluid_fw-la medium_fw-la through_o which_o the_o body_n be_v move_v now_o if_o the_o doctor_n will_v contend_v for_o a_o hylarchick_a spirit_n to_o perform_v all_o these_o he_o may_v plausible_o enough_o contend_v for_o it_o also_o in_o the_o experiment_n of_o the_o gravitation_n of_o the_o part_n of_o fluids_n one_o upon_o another_o we_o see_v then_o how_o needless_a it_o be_v to_o have_v recourse_n to_o a_o hylarchick_a spirit_n to_o perform_v all_o those_o thing_n which_o be_v plain_o and_o clear_o perform_v by_o the_o common_a and_o know_v rule_n of_o mechanic_n which_o be_v easy_o to_o be_v understand_v and_o imagine_v and_o be_v most_o obvious_a and_o clear_a to_o sense_n and_o do_v not_o perplex_v our_o mind_n with_o unintelligible_a idea_n of_o thing_n which_o do_v no_o way_n tend_v to_o knowledge_n and_o practice_n but_o end_n in_o amazement_n and_o confusion_n for_o suppose_v the_o doctor_n have_v prove_v there_o be_v such_o a_o hylarchick_a spirit_n what_o be_v we_o the_o better_a or_o the_o wise_a unless_o we_o also_o know_v how_o to_o rule_v and_o govern_v this_o spirit_n and_o that_o we_o can_v like_o conjurer_n command_v this_o spirit_n and_o set_v it_o at_o work_n upon_o whatever_o we_o have_v occasion_n for_o it_o to_o do_v if_o it_o be_v a_o spirit_n that_o regulate_v the_o motion_n of_o the_o water_n in_o its_o running_n fast_o or_o flower_n i_o be_o yet_o to_o learn_v by_o what_o charm_n or_o incantation_n i_o shall_v be_v able_a to_o incite_v the_o spirit_n to_o be_v less_o or_o more_o active_a in_o such_o proportion_n as_o i_o have_v occasion_n for_o and_o desire_v how_o shall_v i_o signify_v to_o it_o that_o i_o have_v occasion_n for_o a_o current_n of_o water_n that_o shall_v run_v eight_o gallon_n in_o a_o minute_n through_o a_o hole_n of_o a_o inch_n bear_v if_o the_o doctor_n shall_v tell_v i_o that_o i_o must_v make_v the_o tap_n at_o such_o a_o depth_n under_o the_o superficies_n of_o the_o water_n and_o then_o the_o hylarchick_a spirit_n will_v make_v the_o water_n run_v as_o i_o desire_v i_o will_v then_o inquire_v how_o he_o come_v to_o call_v that_o a_o hylarchick_a or_o matter-governing_a spirit_n which_o be_v rather_o command_v by_o matter_n and_o subject_v to_o its_o law_n and_o be_v necessitate_v to_o act_v exact_o according_a to_o the_o quantity_n and_o position_n of_o matter_n by_o what_o mean_v soever_o it_o be_v so_o place_v this_o principle_n therefore_o at_o best_a tend_v to_o nothing_o but_o the_o discourage_a industry_n from_o search_v into_o and_o find_v out_o the_o true_a cause_n of_o the_o phenomena_n of_o nature_n and_o incourage_v ignorance_n and._n superstition_n by_o persuade_v nothing_o more_o can_v be_v know_v and_o that_o the_o spirit_n will_v do_v what_o it_o please_v for_o if_o all_o thing_n be_v do_v by_o a_o hylarchick_a spirit_n that_o be_v i_o know_v not_o what_o and_o to_o be_v find_v i_o know_v not_o when_o or_o where_o and_o act_n all_o thing_n i_o know_v not_o how_o what_o shall_v shall_v i_o trouble_v myself_o to_o inquire_v into_o that_o which_o be_v never_o to_o be_v understand_v and_o be_v beyond_o the_o reach_n of_o my_o faculty_n to_o comprehend_v whereas_o on_o the_o other_o side_n if_o i_o understand_v or_o be_o inform_v that_o these_o phenomena_n do_v proceed_v from_o the_o quantity_n of_o matter_n and_o motion_n and_o that_o the_o regulate_v and_o order_v of_o they_o be_v clear_o within_o the_o power_n and_o reach_v of_o man_n industry_n and_o invention_n i_o have_v encouragement_n to_o be_v stir_v and_o active_a in_o this_o inquiry_n and_o scrutiny_n as_o where_o i_o have_v to_o do_v with_o matter_n and_o motion_n that_o fall_n under_o the_o reach_n of_o my_o sense_n and_o have_v no_o need_n of_o such_o rarefy_v notion_n as_o do_v exceed_v imagination_n and_o the_o plain_a deduction_n of_o reason_n therefrom_o for_o what_o be_v clear_a to_o be_v see_v and_o try_v by_o experiment_n and_o what_o more_o easy_a to_o be_v imagine_v and_o understand_v than_o that_o a_o cylinder_n of_o water_n or_o any_o other_o homogeneous_a substance_n of_o twice_o the_o height_n shall_v have_v twice_o the_o gravity_n or_o pressure_n of_o thrice_o the_o height_n thrice_o the_o pressure_n of_o ten_o time_n the_o height_n ten_o time_n the_o pressure_n of_o 100_o time_n the_o height_n 100_o time_n the_o pressure_n and_o consequent_o to_o imagine_v that_o as_o in_o all_o other_o mechanical_a motion_n four_o time_n the_o pressure_n will_v double_v the_o velocity_n nine_o time_n the_o pressure_n will_v treble_v it_o sixteen_o time_n will_v quadruple_a it_o and_o 100_o time_n will_v decuple_v it_o and_o so_o forward_o so_o in_o this_o experiment_n the_o same_o pressure_n will_v perform_v the_o same_o effect_n and_o a_o proportionate_a pressure_n a_o proportionate_a effect_n and_o since_o we_o find_v that_o the_o effect_n do_v most_o exact_o answer_v the_o theory_n as_o most_o certain_o evident_o and_o undeniable_o it_o do_v why_o shall_v we_o doubt_v of_o the_o cause_n which_o be_v so_o certain_a and_o regular_a a_o concomitant_a that_o it_o be_v always_o present_a when_o the_o effect_n be_v perform_v and_o where_o ever_o it_o be_v present_a if_o other_o circumstance_n hinder_v not_o the_o effect_n certain_o follow_v i_o can_v have_v go_v over_o all_o the_o other_o ratiocination_n of_o the_o doctor_n for_o a_o hylarchick_a spirit_n to_o perform_v the_o effect_n which_o do_v clear_o belong_v to_o mechanical_a motion_n and_o power_n and_o be_v perform_v and_o regulate_v exact_o according_a to_o the_o quantity_n and_o quality_n of_o matter_n and_o according_a to_o the_o general_a and_o universal_a law_n of_o motion_n and_o not_o otherwise_o but_o that_o be_v not_o my_o present_a business_n but_o rather_o to_o explain_v how_o this_o contrivance_n of_o poise_n do_v serve_v to_o make_v a_o cistern_n or_o vessel_n to_o run_v any_o quantity_n of_o water_n require_v in_o any_o space_n of_o time_n and_o that_o to_o run_v the_o whole_a quantity_n either_o with_o a_o equal_a velocity_n or_o stream_n or_o by_o any_o desire_a degree_n to_o be_v accelerate_a or_o retard_v from_o the_o begin_n to_o the_o end_n which_o for_o some_o occasion_n in_o mechanic_n be_v of_o great_a use_n and_o have_v not_o be_v explain_v by_o any_o writer_n of_o hydraulick_n hitherto_o i_o shall_v have_v here_o leave_v this_o digression_n but_o that_o i_o find_v a_o little_a further_o in_o the_o aforesaid_a doctor_n enchiridion_n to_o wit_n in_o theninereenth_fw-mi chapter_n in_o the_o five_o six_o seven_o and_o eight_o section_n continue_v from_o the_o 246._o to_o the_o 256._o page_z some_o animadversion_n upon_o a_o explication_n of_o colour_n which_o i_o do_v former_o publish_v in_o my_o micrographia_fw-la from_o the_o confutation_n of_o which_o he_o endeavour_v to_o assert_v this_o hylarchick_a spirit_n but_o in_o this_o he_o do_v canere_fw-la triumphum_fw-la ante_fw-la victoriam_fw-la and_o seem_v to_o make_v very_o slight_a of_o that_o which_o he_o neither_o have_v hitherto_o by_o all_o he_o have_v say_v in_o his_o enchiridion_n metaphysicum_fw-la nor_o can_v by_o all_o other_o argument_n he_o can_v produce_v answer_n for_o if_o the_o doctor_n have_v please_v to_o have_v consider_v the_o objection_n i_o make_v against_o the_o hypothesis_n of_o the_o rotation_n of_o the_o cartesian_a globuli_fw-la with_o a_o little_a more_o seriousness_n and_o deliberation_n he_o will_v not_o i_o conceive_v have_v believe_v that_o one_o that_o understand_v the_o objection_n will_v be_v satisfy_v with_o so_o slight_a and_o insignificant_a answer_n as_o he_o be_v please_v to_o make_v to_o they_o his_o answer_n then_o to_o the_o first_o objection_n which_o i_o bring_v against_o this_o hypothesis_n which_o be_v raise_v from_o experiment_n make_v with_o thin_a plate_a body_n produce_v colour_n though_o the_o refract_a superficies_n be_v
the_o motion_n of_o the_o ascend_a stream_n or_o beard_n be_v but_o slow_a there_o need_v no_o very_a quick_a supply_n of_o other_o part_n we_o see_v also_o into_o what_o a_o vast_a quantity_n of_o smoke_n a_o small_a parcel_n of_o a_o combustible_a body_n may_v be_v turn_v from_o all_o which_o particular_n it_o be_v not_o unlikely_a but_o that_o the_o comet_n may_v be_v a_o body_n move_v with_o a_o regular_a circular_a or_o elliptical_a motion_n as_o the_o planet_n be_v that_o it_o may_v be_v a_o body_n of_o such_o a_o constitution_n as_o that_o the_o fluid_a aether_n through_o which_o it_o pass_v may_v dissolve_v it_o much_o after_o the_o manner_n as_o a_o me●struum_fw-la such_o as_o aquafortis_n spirit_n of_o niter_n etc._n etc._n do_v a_o dissoluble_a body_n that_o by_o this_o mean_n there_o may_v be_v a_o slow_a but_o continual_a eruption_n of_o somewhat_o opacous_a part_n which_o may_v by_o their_o dissolution_n afford_v a_o sufficient_a quantity_n of_o light_a to_o make_v as_o great_a a_o appearance_n as_o any_o of_o the_o comet_n that_o this_o stream_n or_o beard_n may_v by_o the_o resistance_n of_o the_o aether_n be_v a_o little_a deflected_a back_n ward_n in_o the_o same_o manner_n as_o a_o ascend_a stream_n of_o smoke_n will_v be_v by_o the_o resistance_n of_o the_o air_n if_o the_o burn_a body_n be_v move_v this_o or_o that_o way_n through_o it_o that_o the_o body_n of_o the_o comet_n may_v be_v both_o as_o ancient_a and_o as_o lasting_a as_o the_o world_n and_o that_o this_o which_o have_v late_o appear_v may_v have_v appear_v heretofore_o and_o may_v likewise_o hereafter_o appear_v again_o that_o it_o be_v probable_a the_o near_a distance_n of_o it_o be_v much_o great_a than_o that_o of_o the_o moon_n that_o the_o length_n of_o its_o beard_n be_v long_o than_o its_o distance_n from_o the_o earth_n and_o consequent_o several_a time_n long_o than_o the_o distance_n between_o the_o earth_n and_o the_o moon_n that_o its_o visible_a way_n among_o the_o star_n be_v very_o differ_v from_o a_o great_a circle_n especial_o towards_o the_o latter_a end_n when_o it_o become_v retrograde_a that_o its_o way_n through_o the_o aether_n can_v not_o be_v suppose_v equal_a in_o a_o straight_a line_n though_o it_o may_v be_v suppose_v equal_a in_o a_o curve_v or_o circle_n that_o the_o exact_a way_n of_o it_o can_v not_o be_v certain_o determine_v by_o the_o best_a observation_n i_o have_v yet_o meet_v with_o and_o that_o therefore_o the_o best_a help_n we_o have_v to_o guess_v of_o its_o way_n and_o distance_n be_v by_o its_o manner_n of_o move_v as_o to_z appearance_n among_o the_o fix_a star_n which_o i_o have_v already_o show_v to_o be_v explicable_a by_o various_a hypothesis_n for_o both_o the_o earth_n and_o comet_n may_v be_v suppose_v to_o be_v move_v either_o both_o one_o way_n or_o contrary_a way_n or_o cross_a way_n the_o earth_n may_v be_v suppose_v to_o stand_v still_o and_o the_o comet_n only_o to_o be_v move_v and_o the_o like_a these_o requisite_n therefore_o be_v hitherto_o want_v in_o the_o observation_n i_o have_v meet_v with_o of_o this_o comet_n all_o that_o can_v be_v say_v of_o it_o will_v at_o best_a be_v but_o conjectural_a and_o hypothetical_a since_o nothing_o can_v be_v reasonable_o build_v upon_o those_o observation_n where_o the_o truth_n of_o they_o be_v dubious_a want_v therefore_o sound_a material_n to_o work_v upon_o in_o this_o comet_n i_o have_v recourse_n to_o the_o observation_n of_o the_o noble_a dane_n tycho_n brahe_n be_v sufficient_o satisfy_v both_o of_o the_o ability_n industry_n and_o veracity_n of_o that_o excellent_a author_n who_o leave_v nothing_o unattempted_a for_o the_o perfect_a of_o such_o observation_n as_o seem_v to_o he_o requisite_a for_o the_o complete_n a_o history_n of_o that_o comet_n which_o appear_v in_o 1577._o and_o from_o those_o observation_n of_o his_o i_o endeavour_v to_o trace_v the_o way_n of_o it_o according_a to_o several_a hypothesis_n and_o find_v that_o suppose_v the_o earth_n not_o to_o be_v move_v with_o a_o annual_a motion_n but_o only_o a_o diurnal_a about_o its_o own_o axis_n the_o way_n of_o comet_n will_v fall_v in_o a_o line_n very_o near_o approach_v the_o nature_n of_o a_o circle_n though_o neither_o into_o a_o exact_a circle_n nor_o a_o exact_a ellipse_n and_o therefore_o seem_v irregular_a and_o not_o at_o all_o probable_a again_o suppose_v it_o move_v about_o the_o sun_n as_o tycho_n have_v do_v we_o find_v from_o his_o calculation_n of_o it_o he_o be_v fain_o to_o allow_v it_o a_o quick_a and_o slow_a motion_n in_o its_o orbit_n to_o solve_v the_o phaenomena_n which_o seem_v to_o i_o but_o a_o shift_n that_o will_v serve_v to_o help_v out_o any_o lame_a hypothesis_n whatsoever_o and_o that_o grant_v and_o the_o parallax_n of_o the_o comet_n unknown_a i_o will_v undertake_v very_o easy_o to_o make_v out_o almost_o any_o hypothesis_n which_o be_v the_o fault_n also_o of_o mr._n horox_n his_o hypothesis_n wherein_o he_o suppose_v the_o earth_n to_o be_v move_v about_o the_o sun_n and_o the_o comet_n like_o a_o rocket_n to_o be_v shoot_v out_o of_o the_o sun_n and_o by_o degree_n to_o return_v to_o it_o again_o in_o which_o hypothesis_n indeed_o there_o seem_v to_o be_v much_o more_o reason_n for_o aninequality_n of_o motion_n though_o not_o in_o the_o manner_n as_o he_o have_v place_v it_o it_o be_v very_o rational_a that_o the_o motion_n of_o it_o at_o first_o if_o cast_v out_o of_o the_o sun_n shall_v be_v very_o swift_a but_o than_o it_o ought_v likewise_o to_o have_v accelerate_a its_o motion_n in_o the_o same_o manner_n in_o its_o return_n back_o to_o it_o again_o which_o it_o do_v not_o in_o his_o hypothesis_n for_o a_o stone_n or_o any_o other_o heavy_a body_n be_v shoot_v up_o into_o the_o air_n do_v make_v its_o return_n back_o again_o to_o the_o earth_n almost_o by_o the_o same_o degree_n of_o velocity_n by_o which_o it_o ascend_v from_o it_o almost_o i_o say_v because_o the_o resistance_n of_o the_o air_n do_v so_o far_a impede_fw-la the_o motion_n of_o the_o body_n through_o it_o that_o it_o never_o suffer_v it_o to_o acquire_v the_o same_o degree_n of_o velocity_n with_o which_o it_o be_v first_o shoot_v upward_o this_o be_v sufficient_o evident_a from_o a_o pendulum_n which_o if_o it_o be_v throw_v upward_o and_o be_v suffer_v to_o return_v back_o it_o will_v never_o rise_v again_o on_o the_o opposite_a side_n to_o a_o equal_a height_n with_o that_o it_o descend_v from_o on_o that_o side_n towards_o which_o it_o be_v throw_v but_o beside_o in_o his_o hypothesis_n he_o seem_v to_o take_v no_o notice_n at_o all_o of_o the_o latitude_n of_o the_o comet_n which_o seem_v to_o carry_v it_o much_o far_o off_o from_o the_o sun_n when_o he_o suppose_v it_o to_o be_v return_v near_o and_o indeed_o upon_o the_o whole_a his_o hypothesis_n seem_v rather_o a_o product_n of_o chance_n than_o of_o any_o contrivance_n for_o he_o in_o endeavour_v to_o set_v off_o the_o longitude_n of_o the_o comet_n according_a to_o tycho_n table_n and_o to_o trace_v its_o way_n by_o suppose_v the_o earth_n annual_a motion_n make_v use_n always_o of_o the_o same_o radius_fw-la to_o set_v off_o the_o aspect_n or_o apparent_a angle_n of_o it_o with_o the_o sun_n his_o line_n of_o chord_n he_o make_v use_v of_o do_v always_o direct_a the_o point_n of_o his_o compass_n to_o the_o place_n where_o he_o situate_v the_o comet_n as_o may_v be_v easy_o find_v by_o examine_v the_o nine_o figure_n where_o you_o may_v find_v that_o he_o place_v the_o comet_n always_o equal_o distant_a from_o the_o earth_n and_o that_o distance_n be_v always_o equal_a to_o the_o distance_n of_o the_o sun_n which_o have_v so_o many_o inconvenience_n and_o improbability_n that_o i_o shall_v not_o insist_v far_o on_o it_o especial_o since_o i_o do_v not_o find_v that_o he_o bestow_v any_o far_a pain_n in_o explicate_v or_o cultivate_v this_o his_o hypothesis_n than_o only_o the_o bare_a delineation_n of_o this_o nine_o figure_n but_o to_o return_v to_o tycho_n hypothesis_n if_o that_o be_v true_a why_o do_v not_o the_o comet_n again_o appear_v after_o a_o certain_a space_n of_o time_n and_o why_o can_v not_o he_o have_v foretell_v when_o it_o shall_v again_o appear_v as_o well_o as_o he_o can_v predict_v the_o appearance_n of_o venus_n about_o who_o orb_n he_o suppose_v it_o to_o circulate_v i_o shall_v pass_v by_o several_a other_o very_a material_a objection_n that_o may_v be_v make_v against_o that_o his_o supposition_n because_o many_o of_o they_o may_v be_v make_v also_o against_o his_o hypothefis_n of_o the_o heaven_n in_o general_a which_o i_o shall_v the_o rather_o omit_v because_o i_o do_v not_o find_v he_o have_v many_o follower_n in_o that_o supposition_n the_o generality_n of_o
egg_n of_o fowl_n and_o infect_v may_v be_v hatch_v and_o bring_v to_o life_n and_o perfection_n that_o metal_n even_o the_o hard_a glass_n stones_n etc._n etc._n may_v be_v almost_o in_o a_o moment_n melt_v soften_a liquify_v harden_a etc._n etc._n that_o thousand_o of_o separation_n of_o conjoin_v and_o natural_o unite_a body_n may_v be_v effect_v and_o they_o reserve_v distinct_a and_o as_o many_o other_o body_n natural_o distinct_a and_o very_o differ_v may_v be_v unite_v and_o compound_v into_o homogeneous_a mixture_n some_o scarce_o separable_a afterward_o that_o glass_n may_v be_v shape_v and_o mould_v like_o wax_n that_o almost_o all_o the_o sensible_a quality_n of_o body_n may_v be_v increase_v diminish_v annihilate_v and_o create_v and_o some_o also_o of_o the_o quality_n insensible_a otherwise_o than_o by_o the_o effect_n and_o yet_o even_o these_o and_o many_o more_o may_v be_v effect_v by_o this_o tool_n or_o instrument_n if_o right_o use_v as_o i_o can_v manifest_v if_o i_o have_v now_o time_n but_o i_o shall_v not_o here_o any_o further_o expatiate_v on_o it_o possible_o i_o may_v hereafter_o but_o at_o present_a i_o shall_v only_o proceed_v to_o the_o description_n of_o one_o sort_n of_o those_o instrument_n which_o serve_v to_o supply_v the_o oil_n or_o pabulum_fw-la of_o a_o lamp_n convenient_o by_o any_o degree_n and_o in_o what_o quantity_n be_v desire_v this_o sort_n do_v depend_v upon_o some_o contrivance_n of_o counterpoise_n for_o the_o liquor_n in_o the_o receptacle_n that_o be_v to_o feed_v the_o lamp_n and_o may_v be_v make_v use_n of_o in_o hydralick_n as_o well_o as_o lamp_n to_o feed_v and_o continue_v any_o run_a stream_n any_o time_n desire_v these_o counter_a poise_n then_o of_o fluids_n may_v be_v make_v to_o feed_v the_o flame_n of_o a_o lamp_n equal_o for_o any_o time_n assign_v and_o consequent_o will_v make_v a_o kind_n of_o perpetual_a lamp_n but_o the_o pabulum_fw-la itself_o will_v be_v some_o way_n or_o other_o unapt_a for_o such_o a_o effect_n as_o oil_n have_v a_o foulness_n whereby_o the_o wick_n be_v choke_v or_o stop_v so_o as_o that_o it_o will_v no_o long_o ascend_v in_o it_o spirit_n of_o wine_n will_v in_o length_n of_o time_n evaporate_v and_o lose_v much_o of_o its_o nature_n and_o other_o oil_n have_v their_o several_a defect_n which_o make_v they_o uncapable_a of_o continue_v the_o flame_n very_o long_o but_o there_o be_v none_o of_o these_o that_o i_o have_v meet_v with_o but_o may_v be_v in_o great_a measure_n avoid_v by_o the_o help_n of_o some_o chemical_a or_o mechanical_a contrivance_n some_o instance_n whereof_o i_o shall_v hereafter_o give_v which_o the_o theory_n of_o fire_n and_o flame_n do_v ready_o hint_n the_o first_o way_n than_o i_o shall_v now_o describe_v be_v by_o a_o round_a box_n the_o inward_a cavity_n of_o which_o be_v divide_v by_o a_o diaphragm_n into_o two_o equal_a part_n and_o fit_v with_o a_o proper_a counterpoise_n the_o axis_n of_o who_o motion_n lie_v horizontal_o the_o contrivance_n of_o which_o will_v be_v more_o plain_o understand_v by_o the_o delineation_n thereof_o in_o the_o first_o place_n where_o the_o second_o figure_n represent_v the_o whole_a instrument_n with_o its_o globe_n frame_n pedestal_n socket_n and_o light_v lamp_n a_o represent_v the_o pedestal_n or_o foot_n upon_o which_o the_o instrument_n stand_v which_o may_v be_v make_v of_o silver_n brass_n wood_n or_o the_o like_a b_o c_o d_o e_o f_o the_o frame_n fasten_v to_o the_o pedestal_n and_o shape_v in_o the_o form_n of_o a_o snake_n perforate_v at_o b_o and_z d_o to_o receive_v the_o pivot_n or_o gudgeon_n of_o the_o lamp_n g_o h_n and_o hollow_a from_o e_z to_o f_o to_o serve_v to_o convey_v the_o oil_n or_o spirit_n of_o wine_n from_o the_o end_n of_o the_o hollow_a gudgeon_n h_n to_o the_o wick_n i_o to_o feed_v the_o flame_n k_o the_o hole_n at_o e_o to_o receive_v the_o end_n of_o the_o hollow_a gudgeon_n h_n be_v make_v a_o little_a taper_a and_o the_o end_n of_o the_o gudgeon_n h_n be_v ground_n fit_a into_o it_o so_o as_o to_o turn_v easy_o and_o yet_o so_o true_a as_o not_o to_o let_v any_o oil_n there_o leak_v out_o the_o say_a gudgeon_n be_v keep_v close_o home_o by_o the_o spring_a of_o the_o arm_n b_o the_o supersicy_n of_o the_o oil_n or_o spirit_n for_o the_o pabulum_fw-la be_v always_o keep_v by_o the_o motion_n of_o the_o say_a globe_n upon_o its_o axis_n g_o h_n exact_o in_o the_o line_n l_o m_o until_o it_o be_v all_o consume_v which_o how_o it_o be_v do_v will_v be_v better_o conceive_v by_o show_v the_o contrivance_n of_o the_o inside_n of_o the_o aforesaid_a globe_n how_o the_o same_o be_v divide_v how_o fill_v and_o how_o counterpoise_v suppose_v then_o the_o aforesaid_a globe_n cut_v in_o sunder_o by_o the_o middle_a line_n or_o circle_n n_n o_o and_o discover_v the_o inside_n or_o cavity_n thereof_o to_o be_v represent_v in_o the_o first_o figure_n where_o p_o a_o h_o r_o z_o p_o represent_v the_o aforesaid_a circle_n or_o half_a shell_n of_o the_o globe_n o_o represent_v the_o middle_a of_o the_o hollow_a gudgeon_n h_n which_o be_v the_o pole_n or_o axis_n about_o which_o the_o say_a globe_n do_v move_v h_o o_o z_o represent_v the_o horizontal_n line_n or_o plain_n pass_v through_o the_o aforesaid_a axis_n p_o r_o the_o perpendicular_a to_o that_o plain_a let_v h_n z_o than_o represent_v a_o diaphragm_n or_o partition_n of_o the_o same_o material_a with_o the_o globe_n by_o which_o the_o concavity_n thereof_o be_v divide_v into_o a_o upper_a hemisphere_n h_n p_o z_o o_fw-fr h_n and_o into_o a_o under_o hemisphere_n h_n r_o z_o o_o h._n let_v the_o under_o hemisphere_n be_v fill_v with_o oil_n spirit_n of_o wine_n etc._n etc._n or_o the_o like_a fit_a material_a for_o a_o lamp_n to_o burn_v and_o let_v the_o upper_a part_n be_v fill_v with_o some_o material_n of_o half_a the_o weight_n of_o the_o oil_n spirit_n or_o other_o material_a or_o because_o that_o will_v be_v somewhat_o difficult_a to_o do_v let_v there_o be_v a_o counterpoise_n of_o lead_n or_o other_o ponderous_a matter_n fix_v somewhere_o in_o the_o line_n p_o o_fw-fr so_o that_o the_o say_v upper_a hemisphere_n shall_v have_v half_a the_o gravity_n of_o the_o under_o hemisphere_n upon_o the_o centre_n of_o motion_n o._n i_o say_v whatever_o quantity_n of_o the_o fluid_fw-la pabulum_fw-la be_v in_o the_o cavity_n of_o the_o say_v under_o hemisphere_n the_o superficies_n thereof_o shall_v always_o be_v in_o the_o horizontal_n line_n or_o plain_n o_o z_o the_o counterpoise_a upper_a hemisphere_n keep_v it_o always_o up_o to_o that_o height_n for_o instance_n suppose_v the_o say_a hemisphere_n full_a there_o be_v no_o doubt_n but_o that_o the_o under_o hemisphere_n be_v double_a the_o weight_n of_o the_o uppermost_a will_v be_v lowermost_a and_o that_o horizontal_n line_n will_v lie_v horizontal_o since_o it_o be_v evident_a that_o the_o centre_n of_o gravity_n of_o the_o whole_a will_v be_v below_o the_o centre_n of_o motion_n o_o and_o somewhere_o in_o the_o line_n o_o r_n which_o be_v perpendicular_a to_o the_o aforesaid_a plain_n next_o suppose_v so_o much_o of_o the_o aforesaid_a liquid_a pabulum_fw-la consume_v as_o to_o leave_v enough_o only_o to_o fill_v the_o space_n c_o o_fw-fr z_o b_o r_o c_o and_o the_o diaphragm_n be_v move_v from_o its_o horizontal_n position_n h_o z_o and_o place_v in_o the_o oblique_a position_n c_o o_fw-fr d._n i_o say_v the_o say_v upper_a hemisphere_n chapdoc_n shall_v exact_o counterpoise_v the_o say_v under_o hemisphere_n c_o r_o b_o z_o d_o o_o c_o so_o as_o the_o superficies_n of_o liquor_n shall_v be_v in_o the_o horizontal_n plain_n o_o z._n make_v a_o p_o equal_a to_o p_o d_o and_o draw_v the_o line_n a_o o_fw-fr b_o through_o the_o centre_n o_o it_o be_v manifest_a then_o that_o the_o wedge_n c_o o_fw-fr r_o of_o the_o liquor_n do_v counterpoise_v the_o wedge_n r_o o_fw-fr b_o on_o the_o other_o side_n the_o perpendicular_a and_o that_o the_o wedge_n p_o o_fw-fr d_o of_o the_o upper_a hemisphere_n do_v counterpoise_v the_o wedge_n p_o o_fw-fr a_o on_o the_o other_o side_n of_o the_o perpendicular_a so_o that_o neither_o of_o these_o have_v any_o prepollency_n to_o move_v the_o globe_n out_o of_o this_o posture_n next_o it_o be_v plain_a that_o the_o wedge_n b_o o_fw-fr z_o of_o the_o liquor_n will_v be_v counterpoise_v by_o the_o wedge_n a_o o_fw-fr c_o which_o be_v double_a the_o bigness_n of_o b_o o_o z_o and_o consequent_o of_o equal_a weight_n the_o part_n of_o the_o upper_a hemisphere_n be_v put_v of_o half_a the_o gravity_n or_o weight_n of_o the_o under_o hemisphere_n next_o suppose_v half_o the_o oil_n be_v consume_v and_o there_o be_v only_o leave_v enough_o to_o fill_v the_o quadrantal_a wedge_n z_o o_fw-fr
for_o certain_a use_n pag._n of_o dioptrique_fw-la oculaire_n and_o in_o the_o four_o chapter_n of_o the_o four_o part_n of_o this_o book_n but_o to_o digress_v no_o far_o from_o what_o i_o be_v describe_v i_o must_v add_v that_o with_o both_o these_o kind_n of_o microscope_n have_v i_o examine_v several_a substance_n as_o particular_o the_o steeping_n of_o several_a grain_n and_o seed_n in_o rain-water_n and_o though_o i_o have_v not_o yet_o find_v any_o one_o tincture_n more_o prolific_a than_o this_o of_o pepper_n yet_o it_o be_v not_o the_o only_a tincture_n in_o which_o they_o do_v both_o breed_v and_o increase_v i_o have_v see_v several_a sort_n in_o the_o steep_v of_o wheat_n barley_n oat_n coffee_n anniseed_n pease_n etc._n etc._n some_o not_o above_o a_o three_o part_n of_o a_o hair_n in_o thickness_n other_o not_o above_o the_o twenty_o part_n of_o the_o breadth_n of_o a_o hair_n and_o some_o not_o more_o than_o a_o thirty_o part_n of_o that_o breadth_n so_o that_o no_o less_o than_o 900_o of_o these_o least_o must_v go_v to_o make_v a_o area_n as_o big_a as_o that_o of_o a_o hair_n cut_v transvers_o and_o 27000_o to_o make_v a_o cylinder_n as_o big_a as_o the_o hair_n of_o one_o head_n and_o of_o equal_a height_n with_o the_o diameter_n of_o that_o hair_n which_o one_o may_v just_o call_v a_o visible_a point_n and_o no_o more_o few_o eye_n see_v thing_n distinct_o much_o small_a now_o the_o diameter_n of_o a_o hair_n of_o my_o head_n be_v by_o examination_n find_v but_o the_o 640_o part_n of_o a_o inch_n it_o follow_v that_o no_o less_o than_o 19200_o or_o to_o use_v a_o round_a sum_n about_o 20000_o of_o they_o may_v lie_v in_o the_o length_n of_o a_o inch_n and_o consequent_o that_o a_o circle_n a_o inch_n diameter_n will_v be_v to_o the_o area_n of_o one_o of_o these_o cut_v transvers_o as_o 400000000_o to_o 1._o four_o hundred_o million_o to_o 1_o and_o a_o cylinder_n one_o inch_n diameter_n and_o one_o inch_n high_a will_v be_v to_o one_o of_o these_o mite_n as_o 8000000000000_o to_o one_o eight_o million_o of_o million_o to_o one_o if_o therefore_o we_o compare_v the_o magnitude_n of_o one_o of_o these_o animal_n to_o the_o magnitude_n of_o other_o creature_n live_v in_o the_o water_n we_o shall_v find_v that_o these_o will_v be_v find_v much_o small_a in_o comparison_n to_o the_o body_n of_o a_o ordinary_a whale_n than_o the_o body_n of_o the_o same_o whale_n will_v be_v to_o the_o body_n of_o the_o whole_a earth_n which_o may_v prove_v a_o argument_n for_o a_o anima_fw-la mundi_fw-la perhaps_o to_o some_o but_o let_v every_o one_o make_v his_o own_o inference_n and_o believe_v his_o own_o eye_n for_o they_o will_v make_v the_o best_a impression_n on_o his_o reason_n and_o belief_n now_o if_o the_o creature_n be_v so_o exceed_v small_a what_o must_v we_o think_v of_o the_o muscle_n joint_n bone_n shell_n etc._n etc._n certain_a it_o be_v that_o the_o mechanism_n by_o which_o nature_n perform_v the_o muscular_a motion_n be_v exceed_o small_a and_o curious_a and_o to_o the_o performance_n of_o every_o muscular_a motion_n in_o great_a animal_n at_o least_o there_o be_v not_o few_o distinct_a part_n concern_v than_o many_o million_o of_o million_o and_o these_o visible_a as_o i_o shall_v hereafter_o show_v through_o a_o microscope_n and_o those_o that_o conceive_v in_o the_o body_n of_o a_o muscle_n little_o more_o curiosity_n of_o mechanism_n than_o in_o a_o rope_n of_o the_o same_o bigness_n have_v a_o very_a rude_a and_o false_a notion_n of_o it_o and_o no_o wonder_n if_o they_o have_v recourse_n to_o spirit_n to_o make_v out_o the_o phaenomena_n but_o of_o this_o hereafter_o more_o further_o i_o have_v examine_v the_o constitution_n of_o blood_n milk_n phlegm_n etc._n etc._n and_o find_v they_o much_o the_o same_o with_o what_o mr._n leeuwenhoek_n have_v declare_v a_o little_a fat_a lay_v upon_o the_o glass_n plate_n whilst_o warm_a melt_v and_o become_v transparent_a but_o observe_v in_o a_o convenient_a posture_n against_o the_o light_n of_o a_o candle_n etc._n etc._n till_o it_o congeal_v and_o shrink_v make_v a_o pleasant_a fluid_fw-la and_o show_v how_o considerable_o a_o fluid_a and_o solid_a body_n do_v vary_v and_o may_v give_v we_o a_o good_a hint_n to_o conjecture_v at_o the_o reason_n of_o the_o swell_a and_o great_a lightness_n of_o ice_n than_o of_o water_n the_o first_o beginning_n also_o of_o the_o shoot_n or_o crystallise_v of_o sugar_n into_o rectangular_a parallelipiped_n alum_n salt_n vitriol_n etc._n etc._n be_v strange_o surprise_v and_o instructive_a i_o can_v enumerate_v multitude_n of_o these_o but_o that_o i_o may_v not_o detain_v the_o reader_n toolong_v in_o the_o perusal_n of_o these_o anatomical_a description_n of_o the_o minute_n and_o invisible_a part_n of_o animal_n substance_n to_o ease_v both_o his_o eye_n and_o imagination_n i_o shall_v proceed_v to_o acquaint_v he_o with_o some_o anatomical_a observation_n more_o sensible_a and_o which_o do_v seem_v more_o near_o to_o concern_v we_o and_o those_o be_v contain_v in_o the_o ensue_a discourse_n be_v a_o relation_n communicate_v to_o i_o in_o a_o letter_n by_o that_o ingenious_a and_o experience_a chirurgeon_n mr._n james_n young_a of_o plymouth_n in_o the_o begin_n of_o january_n last_o of_o the_o fatal_a symptom_n cause_v by_o a_o bullet_n swallow_v into_o the_o lung_n sir_n in_o the_o begin_n of_o april_n 1674._o one_o mr._n anthony_n williamson_n of_o liscard_v in_o cornwall_n age_a about_o 65_o year_n of_o a_o brisk_a firm_a habit_n become_v after_o a_o too_o liberal_a drink_n of_o cider_n afflict_v with_o the_o colic_n of_o which_o in_o four_o day_n he_o cure_v himself_o by_o swallow_v two_o musket_n bullet_n and_o receive_v some_o carminative_a clyster_n on_o the_o 12._o of_o the_o same_o month_n his_o pain_n return_v somewhat_o smart_a than_o before_o he_o attempt_v to_o swallow_v three_o pistol_n shoot_v and_o suppose_v it_o the_o easy_a way_n he_o lay_v on_o his_o back_n and_o throw_v they_o all_o at_o once_o into_o his_o throat_n where_o they_o choke_v have_v almost_o strangle_v he_o constrain_a he_o to_o vomit_v etc._n etc._n when_o they_o be_v pass_v down_o he_o become_v seize_v immediate_o with_o a_o violent_a cough_n whease_v pain_n in_o the_o left_a side_n of_o his_o breast_n a_o great_a noise_n in_o respiration_n more_o especial_o after_o a_o fit_a of_o cough_n for_o then_o his_o breast_n will_v hiss_v like_o the_o suck_n of_o a_o pump_n when_o the_o air_n descend_v through_o the_o box_n these_o accident_n so_o sudden_o occur_v without_o any_o manifest_a cause_n do_v much_o surprise_v he_o and_o the_o more_o because_o he_o be_v natural_o of_o a_o sound_a breast_n the_o colic_n be_v cure_v by_o clyster_n potion_n of_o manna_n ol_n amyg.d_n etc._n etc._n and_o two_o of_o the_o shot_n be_v soon_o eject_v ex_fw-la ano_fw-la and_o maugre_o the_o other_o accident_n he_o become_v indifferent_o well_o and_o able_a to_o walk_v about_o house_n five_o or_o six_o week_n after_o this_o those_o symptom_n become_v more_o fierce_a depauper_v his_o spirit_n prostrate_v his_o appetite_n disquiet_v his_o sleep_n with_o dream_n a_o dyspnoea_fw-la and_o rutle_v violent_a cough_n a_o straitness_n and_o load_n in_o his_o breast_n keep_v he_o in_o bed_n extenuate_v his_o body_n which_o without_o help_n of_o milk_n clyster_n be_v costive_a he_o frequent_o faint_v with_o sweat_n and_o a_o tickle_a sleepiness_n in_o both_o leg_n under_o the_o tyranny_n of_o this_o legion_n of_o symptom_n our_o western_a apollo_n dr._n bidgood_n of_o exeter_n be_v consult_v who_o affirm_v they_o all_o to_o be_v cause_v by_o the_o remain_a bullet_n which_o pass_v through_o the_o larynx_n be_v fall_v into_o one_o of_o the_o branch_n of_o the_o trachea_n where_o it_o will_v abide_v in_o despite_n of_o any_o endeavour_n to_o eject_v it_o yet_o to_o alleviate_v the_o violence_n of_o the_o accident_n he_o direct_v to_o the_o use_n of_o emollient_a eclegma_n temperate_a cordial_n etc._n etc._n by_o help_n of_o which_o and_o some_o other_o propitious_a circumstance_n he_o not_o only_o recover_v his_o leg_n become_v able_a to_o walk_v and_o ride_v a_o small_a journey_n but_o also_o consummate_v marriage_n with_o a_o young_a woman_n of_o 25_o who_o afterward_o bring_v he_o two_o child_n whereof_o one_o be_v now_o alive_a and_o very_o lusty_a and_o be_v seven_o month_n go_v with_o a_o three_o when_o he_o die_v the_o more_o wonderful_a if_o the_o woman_n be_v just_a to_o he_o of_o which_o there_o appear_v no_o reason_n to_o doubt_v because_o a_o very_a little_a motion_n will_v so_o increase_v his_o difficulty_n of_o breathe_v as_o to_o make_v he_o faint_a after_o matrimony_n he_o have_v divers_a lucid_a interval_n at_o time_n will_v be_v very_o brisk_a and_o at_o other_o very_o languid_a and_o faint_a like_o a_o
spring_n according_a to_o the_o modern_a hypothesis_n though_o all_o here_o concur_v do_v notwithstanding_o fail_v of_o produce_v that_o effect_n from_o the_o same_o it_o be_v also_o manifest_a that_o where_o spring_n fail_v without_o want_n of_o the_o cause_n that_o hypothesis_n suppose_v necessary_a to_o produce_v they_o the_o occasion_n have_v be_v from_o a_o apparent_a defect_n in_o the_o other_o that_o be_v the_o imperviousness_n of_o the_o earth_n through_o which_o the_o water_n must_v pass_v before_o a_o spring_n can_v be_v produce_v both_o these_o appear_v at_o lipary_n where_o the_o general_a effect_n a_o spring_n or_o fountain_n be_v want_v together_o with_o the_o cause_n of_o our_o hypothesis_n though_o those_o of_o the_o other_o be_v manifest_o existent_a and_o with_o all_o the_o advantage_n necessary_a it_o seem_v to_o i_o a_o very_a rational_a conjecture_n that_o the_o greasy_a clammy_a sulphur_n wherewith_o that_o earth_n be_v impregnate_v do_v by_o oppilate_v it_o hinder_v the_o insinuation_n of_o the_o sea_n into_o it_o from_o the_o three_o observation_n you_o have_v the_o first_o deduction_n confirm_v viz._n that_o spring_n be_v sometime_o manifest_o from_o the_o sea_n that_o earth_n sweeten_v sea-water_n by_o percolation_n and_o that_o the_o near_a spring_n be_v to_o the_o sea_n the_o more_o they_o retain_v of_o their_o pristine_a saltness_n and_o lose_v it_o by_o sensible_a degree_n as_o they_o insinuate_v far_o through_o it_o by_o the_o four_o the_o same_o be_v confirm_v the_o five_o prove_v that_o large_a stream_n flow_v without_o any_o possibility_n of_o be_v supply_v by_o rain_n both_o for_o want_v of_o such_o rain_n and_o of_o dimension_n to_o receive_v and_o contain_v it_o the_o six_o do_v evidence_n that_o rain_n do_v not_o penetrate_v the_o surface_n of_o the_o earth_n even_o in_o a_o very_a dry_a parch_a country_n and_o in_o the_o torrid_a zone_n and_o yet_o that_o spring_n be_v under_o it_o which_o at_o once_o prove_v we_o and_o refute_v the_o other_o opinion_n the_o former_a appear_v by_o the_o water_n in_o those_o make_v pond_n lie_v there_o for_o a_o long_a time_n without_o any_o sensible_a loss_n thereof_o by_o its_o leak_a into_o the_o earth_n the_o late_a by_o the_o well_n near_o the_o sea_n and_o those_o find_v since_o under_o that_o impervious_a land_n he_o that_o be_v not_o altogether_o a_o stranger_n to_o the_o weight_n pressure_n and_o elasticity_n of_o the_o air_n the_o ascension_n of_o liquor_n through_o filter_n and_o some_o other_o resemble_v phaenomena_n will_v not_o account_v the_o like_a motion_n of_o the_o transcolated_a water_n to_o high_a hill_n to_o be_v a_o objection_n of_o any_o force_n against_o this_o hypothesis_n but_o sure_o such_o solution_n be_v no_o less_o beyond_o my_o ability_n than_o design_n find_v i_o have_v paper_n enough_o leave_v i_o will_v presume_v to_o trouble_v you_o with_o one_o rare_a appearance_n more_o that_o occur_v to_o one_o mr._n brasey_n of_o this_o town_n and_o age_a and_o very_a fat_a man_n who_o by_o take_v spirit_n of_o vitriol_n in_o his_o morning_n draught_n to_o which_o he_o be_v advise_v as_o a_o remedy_n to_o assuage_v the_o exuberance_n of_o his_o belly_n find_v that_o it_o have_v no_o effect_n on_o his_o body_n but_o that_o a_o bundle_n of_o key_n which_o he_o use_v to_o carry_v always_o about_o he_o and_o that_o wont_a to_o be_v very_o smooth_a and_o bright_a of_o a_o sudden_a become_v black_a and_o rusty_a though_o he_o never_o handle_v the_o spirit_n nor_o carry_v it_o in_o his_o pocket_n so_o that_o we_o concur_v in_o opinion_n that_o the_o sudorous_a effluvia_fw-la of_o his_o body_n impregnate_v with_o the_o acid_n spirit_n have_v occasion_v it_o if_o so_o it_o be_v very_o wonderful_a that_o so_o small_a a_o quantity_n thereof_o when_o dilute_v with_o so_o much_o juice_n as_o be_v contain_v in_o such_o a_o corpulent_a man_n shall_v even_o insteam_v and_o the_o insensible_a emanation_n make_v impression_n on_o smooth_a iron_n maugre_o the_o perpetual_a attrition_n by_o carry_v they_o in_o his_o pocket_n whereby_o such_o a_o effect_n one_o will_v think_v shall_v be_v prevent_v or_o soon_o rub_v of_o i_o be_v go_v to_o make_v some_o reflection_n on_o this_o notable_a accident_n but_o i_o consider_v etc._n etc._n plymouth_n may_v 5._o 1678._o james_n young_a the_o original_a of_o spring_n be_v that_o which_o have_v exercise_v the_o pen_n of_o many_o learned_a writer_n and_o very_o various_a have_v be_v the_o conjecture_n concern_v it_o but_o among_o all_o i_o have_v meet_v with_o i_o conceive_v none_o more_o probable_a than_o that_o which_o seem_v to_o fetch_v its_o original_n from_o the_o history_n of_o the_o creation_n mention_v in_o holy_a writ_n that_o be_v that_o there_o be_v a_o magazine_n of_o water_n above_o as_o well_o as_o a_o receptacle_n of_o water_n upon_o or_o beneath_o the_o surface_n of_o the_o earth_n and_o that_o the_o air_n be_v that_o firmament_n which_o separate_v between_o the_o upper_a and_o low_a water_n and_o between_o these_o two_o be_v the_o circulation_n of_o water_n or_o blood_n of_o the_o microcosm_n if_o i_o may_v so_o call_v it_o perform_v the_o water_n be_v sometime_o by_o a_o particular_a constitution_n of_o the_o air_n assist_v by_o heat_n rarify_v and_o separate_v into_o minute_a part_n and_o so_o reduce_v into_o the_o form_n of_o air_n and_o thereby_o be_v divide_v into_o particle_n real_o small_a than_o those_o of_o the_o air_n in_o compass_v and_o agitate_a with_o a_o great_a degree_n of_o motion_n they_o take_v up_o more_o space_n and_o so_o become_v light_a than_o the_o ambient_fw-la and_o be_v thereby_o elevate_v and_o protrude_v upward_o till_o they_o come_v to_o their_o place_n of_o poise_n or_o equilibrium_n in_o the_o air_n at_o other_o time_n by_o a_o differ_a constitution_n of_o the_o air_n and_o deficiency_n of_o heat_n they_o lose_v their_o agitation_n and_o many_o of_o they_o again_o coalesce_v and_o so_o have_v less_o motion_n they_o condense_a and_o revert_v into_o water_n and_o so_o be_v heavy_a than_o the_o encompass_v air_n descend_v down_o again_o to_o the_o earth_n in_o mist_n rain_n snow_n hail_o or_o the_o like_a that_o there_o be_v such_o a_o circulation_n i_o think_v there_o be_v none_o doubt_n but_o still_o it_o remain_v a_o difficulty_n with_o those_o person_n that_o grant_v this_o that_o all_o river_n and_o spring_n shall_v have_v their_o original_n from_o the_o water_n that_o fall_v or_o condence_n out_o of_o the_o air._n to_o persuade_v such_o person_n it_o may_v not_o possible_o be_v unsuccessful_a to_o mention_v first_o that_o the_o great_a inundation_n or_o overflow_a of_o river_n manifest_o proceed_v either_o from_o the_o rain_n that_o immediate_o fall_v or_o from_o the_o melt_a of_o snow_n or_o ice_n that_o have_v former_o fall_v on_o the_o more_o eminent_a part_n of_o mountain_n to_o confirm_v which_o history_n enough_o may_v be_v bring_v be_v it_o necessary_a of_o nilus_n niger_n etc._n etc._n second_o that_o it_o have_v be_v observe_v and_o compute_v that_o communibus_fw-la annis_fw-la &_o locis_fw-la there_o fall_v water_n enough_o from_o the_o sky_n in_o actual_a rain_n snow_n or_o hail_n upon_o the_o surface_n of_o england_n to_o supply_v all_o the_o water_n that_o run_v back_o into_o the_o sea_n by_o the_o river_n and_o also_o all_o that_o may_v be_v suppose_v to_o evaporate_v nay_o though_o the_o quantity_n of_o the_o first_o be_v suppose_v twice_o as_o much_o as_o real_o it_o be_v this_o i_o have_v be_v assure_v by_o those_o that_o have_v both_o experiment_a and_o calculate_v it_o three_o that_o there_o be_v not_o yet_o certain_o that_o i_o know_v or_o have_v hear_v of_o any_o other_o way_n of_o make_v salt_n water_n fresh_a but_o by_o distillation_n which_o have_v there_o be_v such_o a_o art_n it_o will_v in_o all_o probability_n have_v be_v make_v use_n of_o and_o so_o there_o be_v little_a probability_n that_o the_o spring_n at_o the_o top_n of_o a_o high_a hill_n shall_v proceed_v from_o the_o sea-water_n strain_v through_o the_o earth_n but_o be_v there_o such_o a_o filtration_n know_v i_o hint_v in_o my_o attempt_n publish_v anno_fw-la 1660_o about_o filtration_n how_o somewhat_o of_o that_o kind_n may_v be_v explain_v four_o that_o this_o operation_n be_v constant_o and_o most_o certain_o perform_v by_o nature_n both_o in_o exhaling_a and_o draw_v up_o fresh_a steam_n and_o vapour_n from_o the_o sea_n and_o all_o moist_a body_n and_o in_o precipitate_v they_o down_o again_o in_o rain_n snow_n hail_o but_o of_o the_o other_o we_o have_v no_o certainty_n five_o i_o have_v observe_v in_o several_a place_n where_o a_o tree_n have_v stand_v upon_o a_o high_a hill_n single_o and_o particular_o at_o the_o brow_n of_o box_n hill_n near_o dark_v in_o surry_n that_o the_o body_n of_o the_o tree_n be_v continual_o wet_a and_o at_o