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earth_n according_a find_v zone_n 31 3 12.6327 5 false
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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

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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 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that_o be_v every_o particle_n of_o matter_n according_a to_o its_o determinate_a or_o present_a magnitude_n be_v receptive_a of_o this_o or_o that_o peculiar_a motion_n and_o no_o other_o so_o that_o magnitude_n and_o receptivity_n of_o motion_n seem_v the_o same_o thing_n to_o explain_v this_o by_o a_o similitude_n or_o example_n suppose_v a_o number_n of_o musical_a string_n as_o a_o b_o c_o d_o e_o etc._n etc._n tune_v to_o certain_a tone_n and_o a_o like_a number_n of_o other_o string_n as_o a_o b_o c_o d_o e_o etc._n etc._n tune_v to_o the_o same_o sound_v respective_o a_o shall_v be_v receptive_a of_o the_o motion_n of_o a_o but_o not_o of_o that_o of_o b_o c_o nor_o do_v in_o like_a manner_n b_o shall_v be_v receptive_a of_o the_o motion_n of_o b_o but_o not_o of_o the_o motion_n of_o a_o c_o or_o d._n and_o so_o of_o the_o rest_n this_o be_v that_o which_o i_o call_v congruity_n and_o incongruity_n now_o as_o we_o find_v that_o musical_a string_n will_v be_v move_v by_o unison_n and_o eighth_n and_o other_o harmonious_a chord_n though_o not_o in_o the_o same_o degree_n so_o do_v i_o suppose_v that_o the_o particle_n of_o matter_n will_v be_v move_v principal_o by_o such_o motion_n as_o be_v unison_n as_o i_o may_v call_v they_o or_o of_o equal_a velocity_n with_o their_o motion_n and_o by_o other_o harmonious_a motion_n in_o a_o less_o degree_n i_o do_v further_o suppose_v a_o subtle_a matter_n that_o incompass_v and_o pervade_v all_o other_o body_n which_o be_v the_o menstruum_fw-la in_o which_o they_o swim_v which_o maintain_v and_o continue_v all_o such_o body_n in_o their_o motion_n and_o which_o be_v the_o medium_n that_o convey_v all_o homogenous_a or_o harmonical_a motion_n from_o body_n to_o body_n further_o i_o suppose_v that_o all_o such_o particle_n of_o matter_n as_o be_v of_o a_o like_a nature_n when_o not_o separate_v by_o other_o of_o a_o differ_a nature_n will_v remain_v together_o and_o strengthen_v the_o common_a vibration_n of_o they_o all_o against_o the_o differ_a vibration_n of_o the_o ambient_fw-la body_n according_a to_o this_o notion_n i_o suppose_v the_o whole_a universe_n and_o all_o the_o particle_n thereof_o to_o be_v in_o a_o continue_a motion_n and_o every_o one_o to_o take_v its_o share_n of_o space_n or_o room_n in_o the_o same_o according_a to_o the_o bulk_n of_o its_o body_n or_o according_a to_o the_o particular_a power_n it_o have_v to_o receive_v and_o continue_v this_o or_o that_o peculiar_a motion_n two_o or_o more_o of_o these_o particle_n join_v immediate_o together_o and_o coalesce_v into_o one_o become_v of_o another_o nature_n and_o receptive_a of_o another_o degree_n of_o motion_n and_o vibration_n and_o make_v a_o compound_a particle_n differ_v in_o nature_n from_o each_o of_o the_o other_o particle_n all_o bulky_a and_o sensible_a body_n whatsoever_o i_o suppose_v to_o be_v make_v up_o or_o compose_v of_o such_o particle_n which_o have_v their_o peculiar_a and_o appropriate_a motion_n which_o be_v keep_v together_o by_o the_o differ_v or_o dissonant_n vibration_n of_o the_o ambient_fw-la body_n or_o fluid_a according_a to_o the_o difference_n of_o these_o vibrative_a motion_n of_o the_o encompass_v bulk_n all_o body_n be_v more_o or_o less_o powerful_a in_o preserve_v their_o peculiar_a shape_n all_o body_n near_o the_o earth_n be_v encompass_v with_o a_o fluid_a subtle_a matter_n by_o the_o differ_a velocity_n of_o who_o part_n all_o solid_a body_n be_v keep_v together_o in_o the_o peculiar_a shape_n they_o be_v leave_v in_o when_o they_o be_v last_o fluid_fw-la and_o all_o fluid_a body_n whatsoever_o be_v mix_v with_o this_o fluid_a and_o which_o be_v not_o extrude_v from_o they_o till_o they_o become_v solid_a fluid_fw-la bulk_n differ_v from_o solid_n only_o in_o this_o that_o all_o fluid_n consist_v of_o two_o sort_n of_o particle_n the_o one_o this_o common_a menstruum_fw-la near_o the_o earth_n which_o be_v intersperse_v between_o the_o vibrate_n particle_n appropriate_v to_o that_o bulk_n and_o so_o participate_v of_o the_o motion_n and_o vibration_n thereof_o and_o the_o other_o by_o exclude_v whole_o or_o not_o participate_v of_o that_o motion_n though_o the_o particle_n of_o solid_a body_n do_v by_o their_o vibrative_a motion_n exclude_v this_o fluid_a from_o come_v between_o they_o where_o their_o motion_n do_v immediate_o touch_v yet_o be_v there_o certain_a space_n between_o they_o which_o be_v not_o defend_v by_o the_o motion_n of_o the_o particle_n from_o be_v pervade_v by_o the_o heterogeneous_a fluid_fw-la menstruum_fw-la these_o space_n so_o undefended_a by_o the_o body_n and_o vibrative_a motion_n of_o the_o particle_n and_o consequent_o pervade_v by_o the_o subtle_a encompass_v heterogeneous_a fluid_n be_v those_o we_o call_v the_o insensible_a pore_n of_o body_n according_a to_o the_o bigness_n of_o the_o body_n the_o motion_n be_v but_o in_o reciprocal_a proportion_n that_o be_v the_o big_a or_o more_o powerful_a the_o body_n be_v the_o slow_a be_v its_o motion_n with_o which_o it_o compound_v the_o particle_n and_o the_o less_o the_o body_n be_v the_o swift_a be_v its_o motion_n the_o small_a the_o particle_n of_o body_n be_v the_o near_a do_v they_o approach_v to_o the_o nature_n of_o the_o general_a fluid_a and_o the_o more_o easy_o do_v they_o mix_v and_o participate_v of_o its_o motion_n all_o solid_a body_n retain_v their_o solidity_n till_o by_o other_o extraordinary_a motion_n their_o natural_a or_o proper_a motion_n become_v intermix_v with_o other_o differ_a motion_n and_o so_o they_o become_v a_o bulk_n of_o compound_a motion_n which_o weaken_v each_o other_o vibrative_a motion_n so_o that_o though_o the_o similar_v part_n do_v participate_v of_o each_o other_o motion_n whereby_o they_o endeavour_v to_o join_v or_o keep_v together_o yet_o do_v they_o also_o participate_v of_o a_o heterogeneous_a motion_n which_o endeavour_v to_o separate_v or_o keep_v they_o asunder_o and_o according_a to_o the_o prevalency_n of_o the_o one_o or_o the_o other_o be_v the_o body_n more_o or_o less_o fluid_a or_o solid_a all_o body_n whatsoever_o will_v be_v fluid_a be_v it_o not_o for_o the_o external_a heterogeneous_a motion_n of_o the_o ambient_fw-la and_o all_o fluid_a body_n whatsoever_o will_v be_v unbounded_a and_o have_v their_o part_n fly_v from_o each_o other_o be_v it_o not_o for_o some_o prevail_a heterogeneous_a motion_n from_o without_o they_o that_o drive_v they_o more_o powerful_o together_o heterogeneous_a motion_n from_o without_o be_v propagate_v within_o the_o solid_a in_o a_o direct_a line_n if_o they_o hit_v perpendicular_a to_o the_o superficies_n or_o bound_n but_o if_o oblique_o in_o way_n not_o direct_v but_o different_a and_o deflected_a according_a to_o the_o particular_a inclination_n of_o the_o body_n strike_v and_o according_a to_o the_o proportion_n of_o the_o particle_n strike_v and_o be_v strike_v all_o springy_a body_n whatsoever_o consist_v of_o part_n thus_o qualify_v that_o be_v of_o small_a body_n endue_v with_o appropriate_a and_o peculiar_a motion_n whence_o every_o one_o of_o these_o particle_n have_v a_o particular_a bulk_n extension_n or_o sphere_n of_o activity_n which_o it_o defend_v from_o the_o ingress_n of_o any_o other_o encompass_v heterogeneous_a body_n whilst_o in_o its_o natural_a estate_n and_o balance_n in_o the_o universe_n which_o particle_n be_v all_o of_o the_o same_o nature_n that_o be_v of_o equal_a body_n and_o equal_a motion_n they_o ready_o coalesce_v and_o join_v together_o and_o make_v up_o one_o solid_a body_n not_o perfect_o every_v where_o contiguous_a and_o whole_o exclude_v the_o above_o mention_v ambient_fw-la fluid_fw-la but_o permit_v it_o in_o many_o place_n to_o pervade_v the_o same_o in_o a_o regular_a order_n yet_o not_o so_o much_o but_o that_o they_o do_v whole_o exclude_v the_o same_o from_o pass_v between_o all_o the_o side_n of_o the_o compound_v particle_n the_o part_n of_o all_o springy_a body_n will_v recede_v and_o fly_v from_o each_o other_o be_v they_o not_o keep_v together_o by_o the_o heterogeneous_a compress_v motion_n of_o the_o ambient_fw-la whether_o fluid_fw-la or_o solid_a these_o principle_n thus_o hint_v i_o shall_v in_o the_o next_o place_n come_v to_o the_o particular_a explication_n of_o the_o manner_n how_o they_o serve_v to_o explain_v the_o phaenomena_n of_o spring_a body_n whether_o solid_a or_o fluid_a first_o for_o solid_a body_n as_o steel_n glass_n wood_n etc._n etc._n which_o have_v a_o spring_n both_o inward_o and_o outward_o according_a as_o they_o be_v either_o compress_v or_o dilate_v beyond_o their_o natural_a state_n let_v a_o b_o represent_v a_o line_n of_o such_o a_o body_n compound_v of_o eight_o vibrate_v particle_n as_o 1_o 2_o 3_o 4_o 5_o 6_o 7_o 8_o and_o suppose_v each_o of_o those_o particle_n to_o perform_v a_o million_o of_o single_a vibration_n and_o consequent_o of_o occursion_n with_o each_o other_o in_o a_o second_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