the_o câ—ve_n so_o famous_a for_o petrify_a liquor_n to_o be_v there_o see_v observe_v some_o drop_n of_o water_n to_o congeal_v into_o stone_n whilst_o he_o stand_v by_o take_v they_o away_o with_o he_o and_o send_v they_o i_o in_o a_o letter_n nay_o we_o shall_v scarce_o deny_v that_o a_o external_a agent_n of_o almost_o insensible_a bulk_n may_v turn_v animal_n body_n into_o stony_a one_o by_o introduce_v a_o new_a texture_n into_o their_o part_n if_o we_o will_v with_o some_o modern_a writer_n believe_v aventinus_n who_o in_o his_o bavarian_a history_n have_v record_v that_o at_o a_o time_n and_o place_n by_o he_o specify_v above_o forty_o countryman_n as_o also_o some_o milkmaid_n with_o their_o cow_n kill_v upon_o a_o earthquake_n have_v their_o body_n by_o a_o terrene_a spirit_n turn_v into_o statue_n which_o he_o say_v be_v see_v by_o the_o chancellor_n of_o austria_n and_o himself_o and_o some_o relation_n of_o this_o nature_n we_o meet_v with_o in_o other_o author_n which_o if_o they_o be_v allow_v of_o seem_v much_o to_o confirm_v our_o doctrine_n for_o in_o these_o strange_a petrification_n the_o harden_v of_o the_o body_n seem_v to_o be_v effect_v principal_o if_o not_o only_o as_o in_o the_o induration_n of_o the_o fluid_a substance_n of_o a_o egg_n into_o a_o chick_n by_o alter_v the_o disposition_n of_o their_o part_n since_o the_o petrify_a wind_n or_o steam_n can_v be_v suppose_v to_o have_v any_o such_o considerable_a perhaps_o not_o any_o sensible_a proportion_n as_o to_o bulk_n to_o the_o body_n change_v by_o it_o as_o to_o be_v think_v to_o effect_v this_o change_n principal_o as_o a_o ingredient_n add_v we_o to_o all_o these_o thing_n that_o pamphilio_n piacentino_n be_v by_o a_o other_o author_n quote_v for_o write_v a_o unparrele_v story_n which_o because_o write_v in_o italian_a i_o shâ—ll_v english_a the_o substance_n of_o it_o which_o be_v this_o that_o a_o woman_n in_o venice_n after_o have_v eat_v a_o apple_n be_v tâ—ken_v with_o hideous_a torture_n and_o in_o the_o space_n of_o twenty_o four_o hour_n die_v be_v turn_v into_o exceed_v hard_a stone_n and_o this_o be_v judge_v to_o be_v the_o effect_n of_o the_o poison_a apple_n she_o have_v eat_v which_o narrative_a if_o we_o may_v believe_v it_o as_o confident_o as_o the_o famous_a alleger_n of_o it_o pamphilio_n appear_v to_o do_v will_v seem_v to_o argue_v that_o even_o to_o the_o wonderful_a induration_n of_o body_n there_o be_v sometime_o no_o other_o principle_n requisite_a than_o what_o may_v result_v from_o the_o lucky_a mixture_n of_o the_o part_n of_o several_a body_n and_o lest_o we_o shall_v seem_v to_o build_v altogether_o upon_o the_o observation_n of_o other_o which_o can_v by_v we_o be_v now_o bring_v to_o strict_a examination_n we_o will_v have_v recourse_n to_o a_o practicable_a experiment_n of_o our_o own_o try_v which_o though_o we_o have_v elsewhere_o mention_v we_o shall_v not_o scruple_n here_o to_o repeat_v because_o we_o there_o omit_v to_o speak_v of_o that_o circumstance_n of_o it_o which_o be_v the_o most_o pertinent_a to_o our_o present_a design_n take_v then_o two_o ounce_n of_o quicksilver_n two_o ounce_n and_o a_o half_a of_o the_o best_a verdigreese_v about_o half_a a_o ounce_n or_o a_o ounce_n of_o common_a salt_n a_o pint_n or_o pound_n of_o white-wine-vinegar_n and_o as_o much_o fair_a water_n mingle_v the_o verdigreese_v quicksilver_n and_o the_o salt_n very_o well_o and_o put_v the_o mixture_n with_o a_o little_a of_o the_o vinegar_n and_o water_n into_o a_o new_a frying-pan_n i_o try_v it_o in_o a_o new_a earthen_a vessel_n but_o without_o good_a success_n in_o which_o fry_n it_o over_o the_o fire_n for_o diverse_a hour_n keep_v it_o continual_o stir_v and_o put_v in_o more_o vinegar_n and_o water_n from_o time_n to_o time_n as_o that_o already_o put_v in_o consume_v away_o then_o take_v out_o the_o mixture_n and_o in_o several_a clean_a water_n wash_v it_o careful_o from_o the_o adhere_a salt_n then_o dry_v away_o all_o the_o aqueous_a moisture_n with_o a_o clean_a linen_n cloâ—h_o and_o you_o shall_v have_v a_o bright_a amalgama_n almost_o like_o quicksilver_n now_o that_o which_o be_v remarkable_a and_o to_o our_o present_a purpose_n in_o this_o experiment_n be_v that_o though_o this_o dry_a mixture_n be_v a_o good_a while_n after_o it_o be_v perfect_o cold_a not_o only_a soâ—t_n but_o so_o near_o to_o fluid_v that_o i_o have_v cast_v it_o into_o mould_n and_o madâ—_n emboss_v image_n of_o it_o when_o it_o have_v be_v dexterous_o make_v but_o scarce_o otherwise_o i_o have_v find_v that_o by_o lay_v iâ—_n 〈◊〉_d hour_n in_o the_o air_n which_o seem_v less_o cold_a than_o itself_o it_o have_v acquire_v such_o a_o hardness_n that_o be_v throw_v against_o the_o floor_n it_o will_v rebound_v and_o be_v brittle_a like_o over-hardened_a steel_n and_o yet_o in_o this_o example_n the_o induration_n of_o the_o amalgam_n appear_v not_o to_o proceed_v from_o a_o innate_a and_o inward_a principle_n but_o from_o the_o new_a texture_n result_v from_o the_o coalition_n of_o the_o mingle_a ingredient_n that_o make_v up_o the_o amalgam_n who_o part_n be_v various_o move_v partly_o by_o the_o fire_n and_o perhaps_o too_o by_o the_o salt_n and_o partly_o by_o the_o native_a propensity_n to_o motion_n of_o the_o mercurial_a corpuscle_n be_v by_o little_a and_o little_a or_o by_o degree_n so_o dispose_v that_o whereas_o before_o touch_v one_o another_o but_o loose_o it_o be_v easy_a to_o thrust_v some_o of_o they_o towards_o the_o middle_n of_o the_o body_n without_o stir_v much_o of_o the_o mass_n as_o to_o sense_n by_o this_o change_n of_o texture_n the_o particle_n be_v bring_v to_o touch_v one_o another_o more_o close_o and_o in_o great_a portion_n of_o their_o surface_n and_o to_o be_v so_o complicate_v entangle_v or_o otherwise_o connect_v among_o themselves_o that_o you_o can_v endeavour_v to_o thrust_v one_o of_o they_o out_o of_o its_o place_n but_o that_o its_o motion_n shall_v be_v resist_v by_o many_o other_o to_o who_o it_o be_v so_o fasten_v that_o you_o can_v move_v one_o part_n of_o the_o mass_n without_o either_o move_v the_o whole_a with_o it_o or_o manifest_o break_v it_o off_o from_o the_o whole_a and_o thereby_o destroy_v the_o continuity_n and_o unity_n of_o the_o body_n now_o whereas_o in_o set_v down_o this_o experiment_n we_o speak_v as_o if_o several_a ingredient_n do_v concur_v to_o constitute_v the_o soft_a mass_n which_o afterward_o grow_v so_o hard_o we_o may_v very_o safe_o do_v so_o since_o the_o quicksilver_n be_v not_o so_o bare_o change_v in_o texture_n as_o that_o former_o say_v to_o have_v be_v coagulate_v by_o the_o mere_a fume_n of_o lead_n but_o conceal_v in_o its_o self_n a_o great_a number_n of_o metalline_a corpuscle_n beside_o other_o as_o we_o make_v appear_v by_o separate_v from_o the_o amalgam_fw-la mere_o by_o the_o force_n of_o fire_n a_o pretty_a quantity_n of_o true_a and_o perfect_a copper_n that_o the_o salt_n also_o both_o be_v ingredient_n though_o in_o small_a proportion_n of_o the_o mass_n and_o may_v have_v some_o operation_n upon_o the_o other_o particle_n we_o may_v render_v probable_a by_o this_o that_o have_v purposely_o expose_v some_o of_o this_o mass_n for_o a_o pretty_a while_n to_o a_o moist_a air_n we_o find_v as_o we_o look_v for_o that_o the_o former_o invisible_a particle_n of_o salt_n that_o have_v so_o insinuate_v themselves_o into_o the_o amalgam_n that_o all_o the_o water_n wherein_o it_o be_v wash_v do_v not_o separate_v they_o from_o it_o have_v so_o wrought_v upon_o the_o metalline_a particle_n that_o be_v most_o outward_a that_o they_o have_v in_o many_o part_n of_o the_o surface_n of_o the_o mass_n turn_v themselves_o with_o it_o into_o a_o kind_n of_o verdigreese_v which_o seem_v almost_o to_o hide_v the_o surface_n of_o the_o concretion_n and_o that_o in_o the_o more_o inward_a part_n of_o a_o much_o hard_a body_n than_o our_o yield_a amalgam_n where_o cuprious_a particle_n abound_v saline_a corpuscle_n may_v have_v a_o great_a operation_n may_v appear_v by_o certain_a sort_n of_o mineral_n to_o be_v find_v in_o some_o part_n of_o england_n and_o elsewhere_o under_o the_o form_n of_o stone_n of_o which_o they_o make_v vitriol_n for_o these_o abound_v with_o vitriolate_a that_o be_v both_o saline_a and_o metalline_a particle_n will_n after_o they_o be_v take_v out_o of_o the_o ground_n and_o lay_v in_o the_o open_a air_n by_o the_o work_n of_o the_o inward_a salt_n some_o soon_o an_o some_o late_a swell_v and_o burst_v asunder_o which_o can_v hardly_o come_v to_o pass_v without_o a_o great_a change_n make_v in_o the_o internal_a disposition_n of_o the_o part_n of_o such_o stony_a concretion_n and_o i_o remember_v that_o have_v lâ—id_v a_o mineral_n of_o kin_n to_o these_o stone_n a_o while_n in_o
together_o the_o lowermost_a of_o they_o or_o the_o appendant_a weight_n be_v fasten_v to_o the_o ground_n for_o in_o this_o case_n there_o appear_v no_o reason_n to_o believe_v that_o their_o power_n to_o resist_v separation_n will_v be_v less_o than_o it_o be_v before_o and_o yet_o it_o seem_v evident_a that_o the_o uppermost_a marble_n will_v not_o be_v perpendicular_o pull_v up_o but_o by_o such_o a_o force_n as_o be_v at_o least_o i_o say_v at_o least_o able_a to_o lift_v up_o a_o weight_n equal_a to_o that_o of_o the_o last_o mention_v marble_n and_o of_o a_o pillar_n of_o air_n have_v the_o stone_n for_o its_o base_a and_o reach_v to_o the_o top_n of_o the_o atmosphere_n since_o at_o the_o instant_n of_o revulsion_n before_o the_o air_n can_v get_v in_o and_o spread_v itself_o between_o the_o stone_n there_o be_v not_o for_o aught_o appear_v any_o such_o body_n under_o the_o upper_a marble_n as_o can_v help_v the_o hand_n to_o sustain_v the_o weight_n both_o of_o that_o marble_n and_o the_o incumbent_n cylinder_n of_o the_o atmosphere_n which_o then_o gravitates_fw-la upon_o it_o and_o consequent_o upon_o the_o hand_n because_o there_o be_v no_o air_n nor_o other_o equivalent_a body_n underneath_o it_o to_o sustain_v its_o part_n of_o the_o weight_n as_o the_o low_a air_n be_v wont_a to_o do_v in_o reference_n to_o the_o heavy_a body_n that_o lean_a on_o it_o and_o to_o the_o weight_n of_o the_o incumbent_n air._n and_o therefore_o we_o need_v not_o much_o marvel_n if_o when_o only_o a_o less_o weight_n than_o that_o of_o the_o forementioned_a pillar_n of_o the_o atmosphere_n hang_v at_o the_o low_a marble_n it_o shall_v be_v capable_a of_o be_v draw_v up_o by_o the_o uppermost_a rather_o than_o suffer_v a_o divulsion_n from_o it_o as_o we_o see_v that_o when_o two_o body_n be_v fasten_v together_o be_v endeavour_v to_o be_v draw_v asunder_o by_o force_n or_o weight_v not_o able_a to_o separate_v they_o they_o will_v usual_o both_o of_o they_o move_v that_o way_n towards_o which_o either_o of_o they_o be_v the_o most_o strong_o draw_v on_o which_o occasion_n i_o remember_v what_o i_o have_v sometime_o observe_v in_o one_o of_o the_o way_n of_o try_v the_o strength_n of_o loadstone_n for_o if_o the_o loadstone_n be_v able_a to_o take_v up_o more_o than_o its_o own_o weight_n you_o may_v as_o well_o lift_v up_o the_o loadstone_n by_o a_o knife_n as_o the_o knife_n by_o the_o loadstone_n and_o though_o one_o accustom_a to_o judge_n only_o by_o his_o eye_n will_v have_v imagine_v that_o when_o i_o hold_v the_o great_a weight_n former_o mention_v suspend_v in_o the_o air_n there_o be_v no_o strong_a endeavour_n to_o pull_v up_o the_o upper_a marble_n from_o the_o low_a because_o my_o hand_n be_v for_o a_o while_o hold_v steady_a seem_v to_o be_v at_o rest_n yet_o he_o will_v easy_o be_v invite_v to_o suspect_v that_o in_o such_o a_o thought_n there_o may_v be_v a_o great_a mistake_n who_o shall_v consider_v that_o neither_o do_v the_o weight_n sensible_o appear_v to_o pull_v the_o low_a marble_n downward_o though_o my_o hand_n assure_v i_o that_o the_o weight_n have_v not_o lose_v its_o gravitation_n and_o if_o i_o shall_v add_v that_o once_o when_o the_o weight_n after_o have_v be_v lift_v up_o into_o the_o air_n be_v casual_o so_o loosen_v from_o the_o upper_a marble_n as_o sudden_o to_o drop_v down_o my_o hand_n unaware_o to_o i_o be_v by_o the_o force_n of_o that_o endeavour_v it_o just_o before_o employ_v to_o sustain_v the_o fall_v weight_n carry_v up_o with_o such_o violence_n that_o i_o very_o sensible_o bruise_v it_o by_o the_o stroke_n it_o give_v against_o the_o face_n of_o a_o by-stander_n who_o chance_v out_o of_o curiosity_n to_o hold_v his_o head_n over_o the_o marble_n and_o here_o it_o will_v not_o be_v impertinent_a to_o bring_v in_o a_o experiment_n that_o i_o once_o devise_v not_o only_o for_o other_o use_n but_o to_o illustrate_v the_o subject_n we_o have_v be_v hitherto_o treat_v of_o the_o trial_n i_o late_o find_v register_v among_o my_o adversaria_fw-la in_o these_o term_n a_o brass_n valve_n of_o about_o a_o inch_n diameter_n be_v with_o cement_n well_o fasten_v to_o the_o short_a leg_n which_o be_v but_o of_o very_a few_o inch_n in_o length_n of_o a_o long_a glass_n syphon_n leave_v open_a at_o the_o end_n of_o the_o other_o leg._n this_o valve_n be_v let_v down_o to_o the_o bottom_n of_o a_o tall_a glass_n body_n full_a of_o water_n so_o that_o it_o be_v if_o i_o much_o mis-rememb_a not_o between_o a_o foot_n and_o half_a a_o yard_n beneath_o the_o surface_n of_o the_o water_n when_o there_o be_v let_v in_o as_o much_o water_n into_o the_o pipe_n as_o reach_v in_o that_o as_o high_a as_o the_o surface_n of_o the_o external_n water_n in_o the_o tall_a cucurbite_n then_o about_o a_o ounce_n weight_n be_v put_v into_o the_o opposite_a scale_n of_o a_o balance_n to_o the_o neighbour_a scale_n whereof_o one_o end_n of_o a_o string_n be_v tie_v who_o other_o end_n be_v fasten_v to_o the_o say_a valve_n who_o part_n will_v be_v thereby_o draw_v asunder_o but_o when_o the_o water_n be_v empty_v out_o of_o the_o pipe_n and_o the_o valve_n be_v let_v down_o to_o the_o former_a depth_n there_o be_v requisite_a about_o 5_o ounce_n that_o be_v 4_o ounce_n more_o than_o former_o to_o disjoin_v the_o part_n of_o the_o valve_n and_o let_v the_o water_n get_v in_o between_o and_o when_o the_o syphon_n be_v free_v from_o water_n the_o valve_n be_v list_v high_a and_o high_o together_o with_o the_o pipe_n there_o need_v less_o and_o less_o weight_n to_o make_v a_o disjunction_n two_o ounce_n of_o additional_a weight_n to_o the_o one_o ounce_n requisite_a to_o counterpoise_v the_o cover_n of_o the_o valve_n itself_o on_o the_o water_n suffice_v to_o lift_v up_o the_o cover_n when_o the_o valve_n be_v hold_v about_o half_a way_n between_o its_o low_a station_n and_o the_o top_n of_o the_o water_n a_o single_a ounce_n suffice_v afterward_o and_o half_a a_o ounce_n of_o additional_a weight_n prove_v enough_o to_o disjoin_v the_o part_n when_o the_o valve_n be_v hold_v but_o a_o little_a beneath_o the_o surface_n of_o the_o liquor_n this_o relation_n of_o a_o experiment_n which_o i_o afterward_o show_v to_o many_o virtuoso_n will_v perhaps_o seem_v somewhat_o dark_a to_o you_o without_o a_o scheme_n but_o if_o you_o consider_v it_o attentive_o enough_o to_o apprehend_v it_o thorough_o i_o presume_v it_o will_v show_v you_o that_o whether_o or_o no_o there_o be_v upon_o any_o other_o score_n a_o repugnancy_n to_o the_o separation_n of_o smooth_a body_n join_v by_o immediate_a contact_n yet_o certain_o there_o may_v be_v a_o great_a repugnancy_n upon_o the_o bare_a account_n of_o the_o gravity_n of_o the_o medium_n wherein_o the_o divulsion_n be_v attempt_v for_o in_o our_o case_n the_o fuga_fw-la vacui_fw-la if_o there_o be_v any_o aught_o to_o resist_v the_o separation_n of_o the_o part_n of_o a_o valve_n still_o keep_v under_o water_n as_o much_o near_o the_o top_n of_o the_o water_n as_o at_o the_o bottom_n and_o therefore_o the_o great_a difference_n find_v in_o that_o resistance_n at_o those_o different_a place_n may_v be_v attribute_v to_o the_o pressure_n of_o the_o ambient_fw-la water_n that_o thrust_v they_o together_o and_o though_o it_o be_v true_a that_o air_n be_v a_o exceed_o light_a body_n in_o comparison_n of_o water_n yet_o in_o divers_a trial_n i_o have_v find_v the_o disproportion_n in_o gravity_n of_o those_o two_o fluid_n not_o to_o exceed_v that_o of_o a_o 1000_o to_o 1._o so_o that_o consider_v how_o many_o mile_n not_o to_o say_v score_n of_o mile_n the_o air_n may_v reach_v upward_o there_o seem_v no_o absurdity_n at_o all_o to_o suppose_v that_o the_o bare_a pressure_n of_o it_o against_o the_o marble_n former_o mention_v may_v keep_v they_o as_o coherent_a as_o we_o find_v they_o to_o be_v but_o since_o this_o i_o have_v be_v able_a to_o make_v a_o experiment_n that_o do_v sufficient_o confirm_v the_o former_a doctrine_n for_o have_v suspend_v the_o two_o coherent_a marble_n in_o a_o capacious_a glass_n whence_o by_o a_o certain_a contrivance_n the_o air_n can_v little_o by_o little_a be_v draw_v out_o we_o find_v as_o we_o expect_v that_o whilst_o there_o remain_v any_o considerable_a quantity_n of_o air_n in_o the_o glass_n the_o low_a marble_n continue_v to_o stick_v to_o the_o other_o the_o pressure_n of_o the_o remain_a air_n though_o but_o weak_a be_v yet_o sufficient_a for_o the_o sustentation_n of_o the_o low_a marble_n which_o it_o be_v not_o after_o the_o air_n be_v further_o withdraw_v and_o if_o when_o the_o disjunction_n be_v make_v the_o upper_a marble_n be_v by_o another_o contrivance_n let_v down_o upon_o the_o low_a so_o as_o to_o
but_o in_o divers_a other_o body_n that_o the_o want_n of_o a_o exquisite_a depuration_n may_v produce_v in_o experiment_n variety_n of_o event_n as_o for_o instance_n it_o have_v be_v complain_v of_o by_o sober_a man_n that_o their_o preparation_n of_o silver_n though_o never_o so_o careful_o make_v have_v be_v apt_a to_o produce_v violent_a vomit_n whereas_o we_o have_v not_o observe_v a_o well-prepared_a medicine_n of_o due_o refine_a silver_n to_o work_v emetical_o even_o in_o woman_n and_o girl_n but_o by_o siege_n or_o urine_n but_o we_o can_v wonder_v at_o the_o violent_a operation_n of_o medicine_n make_v of_o ordinary_a silver_n for_o not_o only_o that_o which_o be_v coin_a be_v wont_a as_o the_o mint-master_n themselves_o have_v confess_v to_o i_o to_o be_v allay_v with_o sometime_o about_o a_o twelve_o part_n sometime_o a_o small_a or_o great_a proportion_n of_o copper_n for_o the_o great_a conveniency_n of_o the_o coin_n but_o even_o that_o silver_n which_o be_v common_o at_o great_a rate_n sell_v for_o refine_a silver_n be_v not_o wont_a to_o be_v sufficient_o free_v from_o its_o copper_n which_o i_o not_o long_o since_o manifest_v in_o the_o presence_n of_o one_o of_o our_o rich_a and_o eminent_a refiner_n by_o dissolve_v some_o of_o his_o pure_a silver_n in_o his_o own_o aqua_fw-la fortis_fw-la for_o the_o greenness_n of_o the_o solution_n quick_o betray_v the_o adherency_n of_o venus_n to_o the_o silver_n and_o no_o wonder_n for_o i_o have_v seldom_o see_v our_o chief_a refiner_n blow_v off_o from_o their_o silver_n upon_o the_o test_n above_o half_a its_o weight_n of_o lead_n whereas_o we_o think_v not_o our_o silver_n sufficient_o refine_v for_o some_o purpose_n till_o it_o have_v be_v free_v from_o five_o or_o six_o time_n its_o weight_n of_o saturn_n and_o then_o it_o have_v sometime_o afford_v a_o solution_n almost_o as_o clear_a as_o water_n with_o only_a now_o and_o then_o a_o light_a touch_n of_o sky-colour_n but_o nothing_o near_o so_o high_a as_o the_o ceruleous_a liquor_n that_o be_v suppose_v to_o be_v a_o true_a tincture_n of_o silver_n artificial_o separate_v from_o the_o rest_n of_o the_o body_n now_o that_o ill_a effect_n by_o the_o mixture_n of_o copper_n may_v be_v produce_v in_o such_o medicine_n as_o aught_o to_o be_v of_o pure_a silver_n he_o that_o be_v acquaint_v with_o the_o violent_a emetic_n quality_n of_o venus_n can_v scarce_o doubt_v and_o as_o in_o man_n body_n so_o in_o other_o subject_n those_o experiment_n may_v easy_o deceive_v the_o artist_n expectation_n when_o he_o hope_v to_o perform_v with_o silver_n and_o copper_n together_o those_o thing_n which_o suppose_v and_o require_v silver_n without_o copper_n or_o any_o adventitious_a metal_n and_o as_o silver_n so_o gold_n be_v very_o often_o employ_v for_o pure_a when_o it_o be_v not_o so_o for_o even_o the_o foliate_v gold_n which_o be_v common_o sell_v here_o in_o england_n how_o fine_a soever_o it_o be_v repute_v be_v not_o altogether_o free_a from_o the_o pollution_n of_o other_o metal_n for_o our_o gold-beater_n though_o for_o their_o own_o profit_n sake_n they_o be_v wont_n to_o use_v the_o fine_a coin_a gold_n they_o can_v get_v as_o that_o which_o be_v capable_a of_o the_o great_a extension_n under_o the_o hammer_n yet_o they_o scruple_n not_o to_o employ_v coin_a gold_n and_o that_o the_o mint-master_n as_o themselves_o inform_v i_o be_v wont_a to_o allay_v with_o copper_n or_o silver_n to_o make_v the_o coin_n more_o stiff_a and_o less_o subject_a to_o be_v waste_v by_o attrition_n and_o as_o for_o those_o many_o goldsmith_n and_o chemist_n who_o think_v their_o gold_n most_o requisite_o refine_v when_o they_o have_v blow_v from_o it_o on_o the_o test_n a_o due_a proportion_n of_o lead_n they_o may_v be_v therein_o sometime_o mistake_v for_o though_o saturn_n may_v carry_v away_o with_o he_o all_o the_o copper_n that_o do_v embase_v the_o gold_n yet_o he_o do_v not_o likewise_o free_a it_o from_o the_o silver_n for_o which_o purpose_v aqua_fw-la fortis_fw-la be_v therefore_o wont_a to_o be_v use_v nay_o the_o skilful_a refiner_n that_o i_o ever_o yet_o know_v have_v several_a time_n affirm_v to_o i_o that_o couple_v fine_a gold_n with_o lead_n the_o gold_n have_v after_o retain_v and_o protect_v from_o the_o fire_n a_o proportion_n of_o silver_n that_o lie_v lurk_v in_o the_o lead_n and_o be_v afterward_o separate_v from_o the_o gold_n by_o aqua_fw-la fortis_fw-la but_o in_o so_o small_a quantity_n that_o the_o experiment_n the_o cost_n and_o pain_n consider_v be_v not_o lucriferous_a and_o of_o this_o sort_n of_o instance_n pyrophilus_n more_o may_v be_v present_v if_o we_o do_v not_o think_v prolixity_n may_v be_v unwelcome_a to_o you_o but_o as_o many_o experiment_n succeed_v not_o according_a to_o expectation_n because_o the_o menstruum_n employ_v about_o they_o be_v not_o pure_a enough_o so_o some_o miscarry_v because_o such_o menstruum_n be_v but_o too_o exact_o depurate_v for_o it_o be_v not_o so_o much_o the_o purity_n of_o liquor_n in_o their_o kind_n as_o their_o fitness_n for_o the_o particular_a purpose_n to_o which_o they_o be_v design_v that_o be_v in_o experiment_n to_o be_v principal_o regard_v for_o instance_n we_o have_v sometime_o for_o recreation_n sake_n and_o to_o affright_v and_o amaze_v lady_n make_v piece_n of_o white_a paper_n and_o linen_n appear_v all_o on_o a_o flame_n without_o either_o burn_a findge_a or_o as_o much_o as_o discolour_v they_o this_o be_v perform_v by_o plunge_v the_o paper_n very_o thorough_o in_o weak_a spirit_n of_o wine_n and_o then_o approach_v it_o to_o the_o flame_n of_o a_o candle_n by_o which_o the_o spiritous_a part_n of_o the_o liquor_n will_v be_v fire_v and_o burn_v a_o pretty_a while_n without_o harm_v the_o paper_n but_o if_o this_o experiment_n be_v try_v with_o exquisite_o rectify_v spirit_n of_o wine_n it_o will_v not_o succeed_v of_o this_o phaenomenon_n this_o plausible_a reason_n have_v be_v assign_v that_o the_o flame_n of_o the_o spirit_n of_o wine_n be_v so_o pure_a and_o subtle_a that_o like_o a_o ignis_fw-la lambens_fw-la it_o will_v not_o fasten_v upon_o the_o paper_n but_o experience_n have_v inform_v we_o that_o this_o conjecture_n be_v but_o a_o mistake_n for_o the_o flame_n of_o spirit_n of_o wine_n be_v so_o hot_a that_o i_o have_v in_o lamp-furnace_n employ_v spirit_n of_o wine_n instead_o of_o oil_n and_o with_o the_o same_o flame_n i_o have_v not_o only_o light_v paper_n but_o candle_n and_o even_o melt_v foliate_v gold_n the_o true_a reason_n therefore_o why_o that_o paper_n be_v not_o burn_v by_o the_o flame_n that_o play_v about_o it_o seem_v to_o be_v that_o the_o aqueous_a part_n of_o the_o spirit_n of_o wine_n be_v imbibe_v by_o the_o paper_n keep_v it_o so_o moist_a that_o the_o flame_n of_o the_o sulphureous_a part_n of_o the_o same_o spirit_n can_v fasten_v on_o it_o and_o therefore_o when_o the_o deflagration_n be_v over_o you_o shall_v always_o find_v the_o paper_n moist_a and_o sometime_o we_o have_v find_v it_o so_o moist_a that_o the_o flame_n of_o a_o candle_n will_v not_o ready_o light_v it_o and_o on_o the_o other_o side_n have_v purposely_o make_v trial_n of_o plunge_a paper_n into_o sufficient_o dephlegmate_v spirit_n of_o wine_n the_o paper_n not_o have_v aqueous_a moisture_n to_o defend_v it_o be_v very_o ready_o kindle_v and_o burn_v by_o the_o flame_a spirit_n and_o one_o of_o our_o best_a way_n to_o try_v the_o pureness_n of_o spirit_n of_o wine_n be_v ground_v on_o this_o very_a supposition_n for_o dip_v it_o in_o a_o cotton-wiek_a like_o that_o of_o a_o candle_n and_o set_v it_o on_o fire_n if_o the_o flame_n fasten_v on_o the_o wick_n it_o be_v a_o sign_n of_o the_o goodness_n of_o the_o spirit_n but_o if_o it_o do_v not_o we_o conclude_v it_o to_o be_v weak_a and_o not_o sufficient_o dephlegm_v it_o have_v be_v likewise_o observe_v that_o aqua_fw-la fortis_fw-la will_v work_v more_o ready_o on_o lead_n if_o it_o be_v allay_v with_o water_n than_o if_o it_o be_v pure_o rectify_v i_o otherwhere_a also_o mention_v a_o aqua_fw-la fortis_fw-la i_o have_v use_v which_o be_v so_o strong_a that_o it_o will_v not_o well_o dissolve_v silver_n itself_o unless_o i_o first_o dilute_v it_o with_o fair_a water_n and_o within_o this_o very_a week_n wherein_o i_o write_v these_o thing_n i_o have_v have_v a_o unwelcome_a proof_n that_o liquor_n may_v by_o too_o exquisite_a a_o depuration_n be_v make_v unfit_a for_o our_o purpose_n for_o have_v to_o gratify_v some_o ingenious_a friend_n make_v a_o certain_a menstruum_fw-la wherewith_o we_o have_v former_o do_v some_o thing_n upon_o gold_n which_o be_v not_o altogether_o without_o cause_n think_v strange_a enough_o we_o take_v care_n at_o this_o time_n to_o separate_v it_o from_o whatever_o be_v either_o of_o a_o aqueous_a or_o a_o earthy_a
manifest_v by_o a_o easy_a and_o ocular_a proof_n which_o i_o devise_v about_o 10_o or_o 12_o year_n ago_o when_o be_v yet_o scarce_o more_o than_o a_o boy_n i_o first_o begin_v to_o consider_v what_o fluidity_n may_v be_v the_o experiment_n as_o i_o write_v it_o down_o with_o all_o the_o circumstance_n and_o observation_n relate_v to_o it_o i_o have_v not_o now_o by_o i_o but_o have_v divers_a time_n be_v desire_v to_o show_v it_o to_o learned_a man_n physician_n mathematician_n and_o other_o i_o can_v have_v forget_v those_o phaenomena_n of_o it_o that_o be_v the_o most_o pertinent_a to_o our_o present_a subject_n suppose_v then_o that_o in_o pure_a spirit_n of_o wine_n beside_o the_o aqueous_a part_n that_o glide_v soft_o along_o each_o other_o there_o be_v store_n of_o volatile_a and_o spirituous_a corpuscle_n who_o agitation_n be_v strong_a i_o let_v fall_v from_o a_o pretty_a height_n that_o it_o may_v be_v break_v into_o small_a drop_n by_o its_o fall_n into_o any_o wide-mouthed_a glass_n fill_v with_o this_o liquor_n which_o must_v not_o be_v ouâ—r_o dephlegm_v lest_o the_o oil_n sink_v in_o it_o a_o little_a common_a oyâ—_n or_o spirit_n of_o turpentine_n which_o i_o therefore_o make_v choice_n of_o because_o its_o tenacity_n great_a than_o that_o of_o the_o chemical_a oil_n of_o spice_n make_v it_o that_o it_o will_v neither_o mingle_v with_o spirit_n of_o wine_n nor_o spread_v itself_o as_o divers_a other_o distil_a oil_n will_v upon_o the_o surface_n of_o it_o but_o keep_v itself_o in_o the_o form_n of_o round_a drop_n who_o shape_n facilitate_v their_o motion_n the_o oily_a drop_n then_o swim_v at_o the_o top_n of_o the_o spirit_n of_o wine_n will_v be_v by_o the_o disorderly_a roving_n of_o the_o agile_a part_n of_o it_o which_o hit_v against_o they_o little_a globe_n as_o the_o vivous_a spirit_n ascend_v to_o exhale_v make_v to_o move_v restlâ—sly_o to_o and_o fro_o in_o a_o irregular_a manner_n the_o drop_n sometime_o bear_v up_o to_o one_o another_o as_o if_o all_o or_o most_o of_o they_o be_v present_o to_o unite_v into_o one_o body_n and_o then_o sudden_o fall_v off_o and_o continue_v to_o shift_v place_n with_o one_o another_o after_o a_o manner_n pleasant_a and_o strange_a enough_o to_o they_o that_o never_o before_o see_v the_o experiment_n and_o this_o dance_n will_v continue_v for_o half_a a_o hour_n or_o a_o hour_n or_o a_o short_a or_o much_o long_a time_n according_a to_o the_o quantity_n and_o strength_n of_o the_o liquor_n till_o the_o spirituous_a part_n be_v fly_v away_o the_o drop_n be_v no_o long_o impel_v lie_v at_o rest_n upon_o the_o disspirited_a liquor_n as_o they_o will_v upon_o common_a water_n and_o whereas_o the_o nimble_a motion_n of_o the_o drop_n may_v be_v suspect_v to_o proceed_v from_o some_o secret_a contrariety_n in_o nature_n betwixt_o the_o oil_n of_o turpentine_n and_o spirit_n of_o wine_n beside_o that_o i_o can_v easy_o show_v that_o those_o two_o liquor_n have_v no_o antipathy_n i_o not_o only_o try_v the_o experiment_n with_o another_o inflammable_a liquor_n than_o spirit_n of_o wine_n but_o if_o i_o much_o misremember_v not_o sound_v as_o i_o expect_v that_o little_a piece_n of_o chopped_a straw_n such_o both_o be_v light_n and_o not_o easy_o imbibe_v moisture_n be_v gentle_o let_v fall_v upon_o the_o spirit_n of_o wine_n be_v in_o a_o tumultuous_a manner_n carry_v to_o &_o fro_o upon_o the_o surface_n of_o it_o though_o i_o be_o not_o sure_a but_o that_o the_o motion_n of_o the_o oily_a drop_n may_v be_v in_o part_n due_a to_o some_o partial_a solution_n make_v of_o they_o by_o the_o vivous_a spirit_n which_o during_o that_o action_n may_v tumble_v they_o to_o and_o fro_o not_o to_o add_v that_o i_o have_v by_o some_o trial_n be_v tempt_v to_o suspect_v the_o air_n may_v have_v some_o interest_n in_o the_o motion_n of_o the_o drop_n however_o i_o have_v mention_v the_o recite_v experiment_n not_o as_o if_o i_o think_v that_o either_o it_o or_o fugitive_a spirit_n of_o wine_n be_v fit_a to_o teach_v we_o the_o nature_n of_o fluid_a body_n in_o general_a but_o to_o show_v by_o a_o ocular_a example_n that_o there_o may_v be_v a_o quick_a and_o intestine_a motion_n in_o some_o part_n of_o a_o liquor_n notwithstanding_o that_o the_o unassisted_a eye_n can_v discern_v no_o such_o matter_n i_o shall_v not_o here_o relate_v how_o have_v cause_v to_o be_v hermetical_o seal_v up_o some_o of_o these_o liquor_n in_o a_o glass_n to_o try_v how_o long_o the_o extravagant_a dance_n of_o the_o drop_n will_v last_v when_o the_o more_o spirituous_a part_n of_o the_o vinous_a liquor_n can_v not_o exhale_v my_o vessel_n be_v soon_o break_v without_o any_o discernible_a violence_n nor_o shall_v i_o now_o take_v notice_n of_o any_o of_o the_o other_o phaenomena_n of_o our_o experiment_n partly_o because_o i_o have_v elsewhere_o mention_v most_o of_o they_o and_o partly_o because_o i_o think_v it_o more_o pertinent_a to_o our_o present_a theme_n to_o observe_v that_o this_o unseen_a agitation_n of_o the_o minute_n part_n will_v not_o only_o hold_v in_o light_n and_o spirituous_a liquor_n for_o that_o the_o insensible_a part_n even_o of_o the_o heavy_a liquor_n themselves_o be_v also_o in_o actual_a motion_n though_o many_o may_v think_v it_o unfit_a to_o be_v believe_v will_v follow_v from_o what_o have_v be_v already_o deliver_v concern_v the_o nature_n of_o fluid_a body_n as_o such_o and_o may_v be_v confirm_v by_o this_o that_o whereas_o three_o of_o the_o heavy_a liquor_n we_o yet_o know_v of_o be_v quicksilver_n oil_n of_o tartar_n per_fw-la deliquium_fw-la and_o oil_n of_o vitriol_n that_o first-named_a will_n even_o in_o the_o cold_a penetrate_v into_o the_o pore_n of_o foliate_v gold_n and_o destroy_v the_o texture_n of_o that_o close_a of_o metal_n the_o liquor_n also_o of_o salt_n of_o tartar_n will_v in_o the_o cold_a draw_v tincture_n from_o several_a body_n and_o we_o have_v endeavour_v to_o evince_v the_o agitation_n of_o the_o part_n of_o oil_n of_o vitriol_n not_o only_o by_o show_v how_o in_o the_o cold_a it_o will_v corrode_v divers_a metal_n but_o by_o cast_v little_a piece_n of_o camphire_n into_o it_o which_o without_o the_o assistance_n of_o the_o sire_n be_v make_v liquid_a by_o it_o and_o appear_v like_o so_o many_o drop_n of_o oil_n and_o he_o that_o yet_o doubt_n whether_o the_o part_n of_o these_o two_o oil_n as_o chemist_n abusive_o call_v they_o how_o ponderous_a soever_o they_o be_v be_v fierce_o agitate_a or_o no_o may_v probable_o be_v soon_o satisfy_v by_o shake_v a_o ounce_n or_o two_o of_o each_o of_o they_o together_o and_o observe_v the_o heat_n hiss_v ebullition_n and_o sparkle_a that_o will_v sudden_o ensue_v upon_o their_o be_v blend_v sect_n xxv_o but_o here_o we_o must_v take_v notice_n that_o though_o it_o belong_v to_o the_o nature_n of_o fluid_a body_n that_o their_o parâ—s_n do_v easy_o shift_v place_n yet_o that_o be_v to_o be_v understand_v only_o as_o to_o thâ—_n part_n of_o the_o same_o fluid_a body_n as_o water_n or_o of_o such_o differ_v fluid_a body_n as_o be_v dispose_v ready_o to_o admit_v each_o other_o particle_n and_o mingle_v together_o as_o we_o see_v in_o water_n and_o wine_n for_o otherwise_o fluid_a body_n may_v be_v of_o such_o differ_a nature_n that_o when_o two_o or_o more_o of_o they_o be_v put_v together_o they_o will_v not_o mix_v but_o each_o retain_v its_o own_o distinct_a surface_n so_o that_o in_o regard_n of_o one_o another_o the_o contiguous_a body_n do_v in_o some_o degree_n emulate_v each_o of_o they_o the_o nature_n of_o a_o consistent_a body_n for_o though_o it_o can_v be_v look_v upon_o as_o a_o hard_a body_n but_o a_o soft_a because_o of_o the_o easy_a session_n of_o its_o superficies_n yet_o it_o do_v like_o a_o compact_n or_o consistent_a body_n deny_v to_o mingle_v permanent_o with_o the_o contiguous_a liquor_n or_o other_o fluid_a substance_n and_o i_o somewhat_o wonder_n that_o lucretius_n and_o other_o atomist_n shall_v at_o least_o for_o aught_o i_o remember_v oversee_v this_o observation_n since_o it_o be_v obvious_a enough_o in_o oil_n which_o will_v not_o mix_v with_o water_n but_o float_v upon_o its_o surface_n not_o to_o mention_v that_o quicksilver_n will_v not_o incorporate_v with_o any_o of_o the_o familiar_a liquor_n know_v to_o the_o ancient_n i_o have_v almost_o forget_v that_o i_o promise_v at_o the_o begin_n of_o this_o discourse_n a_o instance_n concern_v flame_n which_o i_o will_v therefore_o now_o recite_v and_o it_o be_v that_o have_v by_o a_o easy_a preparation_n of_o copper_n by_o the_o intervention_n of_o a_o little_a sal_fw-la ammoniac_a which_o i_o have_v already_o teach_v in_o another_o treatise_n flame_n so_o open_v the_o body_n of_o that_o metal_n as_o to_o make_v it_o inflammable_a i_o take_v some_o
of_o amber_n do_v by_o detain_v some_o part_n which_o though_o more_o gross_a than_o the_o rest_n may_v yet_o be_v no_o useless_a one_o impair_a the_o remedy_n and_o that_o it_o do_v not_o upon_o some_o other_o score_n infringe_v the_o medicinal_a virtue_n of_o the_o oil_n the_o experiment_n will_v not_o be_v unuseful_a for_o the_o liquor_n that_o be_v thus_o prepare_v be_v not_o only_o very_o diaphanous_a and_o well_o colour_v but_o so_o pure_a and_o subtle_a that_o it_o will_v swim_v not_o only_o upon_o water_n but_o upon_o spirit_n of_o wine_n itself_o and_o it_o will_v be_v no_o despicable_a thing_n it_o by_o extend_v or_o further_o apply_v this_o experiment_n to_o other_o indispose_a body_n many_o empyreumatical_a oil_n distil_v by_o strong_a fire_n in_o retort_v can_v be_v bring_v to_o emulate_v essential_a oil_n as_o chemist_n call_v they_o draw_v in_o limbick_n as_o to_o clearness_n and_o lightness_n the_o additament_n i_o last_o think_v fit_a to_o make_v use_n of_o for_o purify_n oil_n of_o amber_n be_v brief_o this_o â„ž_o two_o pound_n or_o somewhat_o less_o of_o good_a brandy_n one_o pound_n of_o good_a sea-salt_n and_o half_a a_o pound_n of_o the_o oil_n to_o be_v subtilise_v mix_v and_o distil_v they_o together_o upon_o the_o mention_n i_o make_v above_o of_o the_o white_a coagulum_fw-la of_o the_o spirit_n of_o wine_n and_o urine_n i_o remember_v what_o i_o have_v sometime_o observe_v in_o the_o essential_a oil_n of_o anniseed_n as_o chemist_n speak_v distil_v with_o store_n of_o water_n in_o a_o limbick_a and_o refrigeratory_n name_o that_o in_o the_o heat_n of_o summer_n it_o will_v remain_v a_o perfect_a liquor_n like_o other_o chemical_a oil_n but_o during_o â—he_n cold_a of_o the_o winter_n though_o they_o notwithstanding_o that_o season_n continue_v fluid_a as_o before_o the_o oil_n of_o anniseed_n will_v coagulate_v into_o a_o body_n though_o not_o of_o a_o uniform_a texture_n to_o the_o eye_n like_o butter_n but_o rather_o almost_o like_o camphire_n yet_o like_o it_o white_a and_o consistent_a not_o without_o some_o kind_n or_o degree_n of_o brittleness_n and_o on_o this_o occasion_n i_o will_v here_o insert_v a_o experiment_n which_o shall_v have_v be_v set_v down_o in_o that_o part_n of_o the_o former_a history_n of_o fluidity_n where_o i_o mention_v that_o the_o small_a part_n of_o a_o body_n may_v be_v sufficient_o agitate_a to_o constitute_v a_o liquor_n by_o the_o air_n or_o other_o agent_n not_o sensible_o hot_a themselves_o the_o experiment_n take_v â—hus_o cast_v by_o chance_n my_o eye_n in_o the_o winter_n time_n upon_o a_o glass_n of_o oil_n of_o anniseed_n which_o stand_v coagulate_v by_o the_o cold_a of_o the_o season_n i_o present_o bethink_v myself_o of_o make_v a_o liquor_n who_o process_n belong_v to_o another_o treatise_n of_o which_o as_o soon_o as_o i_o have_v prepare_v it_o i_o make_v this_o trial_n i_o melt_v with_o a_o gentle_a heat_n the_o congeal_v oil_n of_o anniseed_n to_o make_v it_o flow_v and_o then_o cover_v parâ—_n of_o it_o in_o another_o glass_n wiâ—h_v a_o mixture_n i_o have_v provide_v and_o hâ—ving_v let_v thâ—m_v both_o rest_n in_o the_o window_n i_o find_v that_o the_o mere_a oil_n be_v full_o refrigerated_a again_o coagulate_v as_o before_o but_o that_o which_o be_v cover_v with_o the_o other_o liquor_n continue_v fluid_v both_o day_n and_o night_n and_o in_o several_a change_n of_o weather_n and_o do_v still_o remain_v at_o the_o bottom_n of_o the_o menstruum_fw-la a_o clear_a oil_n distinct_a from_o it_o though_o i_o have_v purposely_o shake_v they_o together_o to_o confound_v they_o and_o because_o pyrophilus_n i_o have_v not_o discover_v to_o you_o the_o menstruum_fw-la i_o make_v use_v of_o i_o will_v here_o present_v you_o with_o a_o succedaneous_a experiment_n make_v with_o a_o common_a liquor_n i_o take_v then_o good_a clear_a venetian_a turpentine_n and_o have_v slow_o evaporate_v about_o a_o four_o or_o five_o part_n of_o it_o till_o the_o remain_a substance_n be_v suffer_v to_o cool_v will_v afford_v i_o a_o coherent_a body_n or_o a_o fine_a colophony_n i_o cause_v some_o of_o this_o transparent_a and_o very_a brittle_a gum_n of_o which_o i_o have_v elsewhere_o teach_v you_o some_o use_n to_o be_v reduce_v to_o fine_a powder_n of_o which_o i_o put_v into_o pure_a spirit_n of_o wine_n a_o great_a proportion_n than_o i_o judge_v the_o liquor_n be_v capable_a of_o dissolve_v to_o the_o end_n that_o when_o the_o spirit_n have_v take_v up_o as_o much_o of_o the_o powder_n as_o it_o can_v there_o may_v remain_v at_o the_o bottom_n a_o pretty_a quantity_n of_o our_o colophony_n on_o which_o though_o the_o menstruum_fw-la be_v already_o glut_v can_v not_o act_v powerful_o enough_o to_o dissolve_v it_o yet_o it_o may_v give_v the_o matter_n which_o it_o have_v already_o so_o far_o soften_v as_o to_o reduce_v it_o into_o a_o coherent_a mass_n agitation_n enough_o to_o emulate_v a_o fluid_a though_o somewhat_o viscous_a body_n and_o according_o i_o obtain_v a_o sluggish_a liquor_n which_o continue_v fluid_a as_o long_o as_o i_o please_v to_o continue_v the_o menstruum_fw-la upon_o it_o the_o like_a experiment_n i_o try_v with_o clarify_a rosin_n and_o with_o fine_a colophony_n though_o but_o buy_v at_o the_o shop_n and_o although_o the_o trial_n sometime_o succeed_v not_o ill_o yet_o i_o find_v not_o the_o success_n constant_a and_o uniform_a whether_o because_o the_o body_n to_o be_v dissolve_v be_v not_o defecate_v and_o pure_a enough_o or_o that_o i_o do_v not_o hit_v upon_o the_o best_a proportion_n between_o the_o solvent_a and_o they_o but_o this_o circumstance_n i_o shall_v not_o omit_v that_o when_o the_o glutinous_a liquor_n be_v separate_v from_o the_o menstruum_fw-la it_o will_v by_o degree_n though_o but_o slow_o harden_v in_o the_o air._n the_o application_n of_o which_o property_n for_o the_o preservation_n of_o small_a and_o very_o tender_a body_n i_o shall_v not_o here_o more_o express_o hint_n then_o by_o have_v bare_o name_v it_o i_o have_v forget_v to_o add_v that_o whilst_o the_o substance_n continue_v fluid_a i_o can_v shake_v it_o as_o i_o late_o tell_v you_o â—_o can_v the_o oil_n of_o anniseed_n with_o the_o supernatant_n menstruum_fw-la without_o make_v between_o they_o any_o true_a or_o last_a union_n which_o last_o circumstance_n bring_v into_o my_o mind_n another_o experiment_n that_o i_o likewise_o forgâ—t_a to_o add_v to_o that_o part_n of_o the_o former_a history_n of_o fluidity_n where_o i_o take_v notice_n that_o the_o particular_a texture_n of_o fluid_a body_n may_v be_v reckon_v among_o the_o chief_a cause_n of_o their_o be_v dispose_v or_o indispose_v to_o mingle_v with_o one_o another_o for_o partly_o to_o confirm_v this_o conjecture_n and_o partly_o to_o manifest_v that_o it_o be_v not_o universal_o true_a which_o chemist_n be_v wont_a to_o think_v that_o acid_n salt_n and_o oil_n will_v not_o incorporate_v or_o mingle_v i_o take_v a_o arbitrary_a quantity_n and_o as_o i_o remember_v equal_a weight_n of_o common_a oil_n of_o vitriol_n and_o common_a oil_n of_o turpentine_n as_o i_o buy_v they_o at_o the_o druggist_n these_o i_o put_v together_o very_o slow_o for_o that_o circumstance_n shall_v not_o be_v omit_v and_o obtain_v according_a to_o my_o desire_n a_o opacous_a and_o very_a deep-coloured_a mixture_n who_o almost_o balsam-like_a consistence_n be_v much_o thick_a than_o either_o of_o the_o liquour_n that_o compose_v it_o the_o like_a experiment_n also_o successful_o try_v with_o some_o other_o chemical_a oil_n but_o find_v none_o preferable_a for_o this_o purpose_n to_o oil_n of_o turpentine_n and_o to_o make_v it_o probable_a that_o the_o disposition_n of_o these_o liquor_n to_o mingle_v thus_o present_o together_o depend_v much_o on_o their_o texture_n we_o make_v the_o mixture_n be_v warâ—ly_o â—â—sâ—illed_v over_o for_o else_o the_o experiment_n will_v searce_o succee_v aâ—d_v thereby_o obtain_v as_o we_o elsewhere_o menâ—ion_n to_o another_o purpose_n a_o certain_a gross_a substance_n which_o be_v that_o which_o seem_v to_o mediate_v the_o former_a union_n betwixt_o the_o two_o liquor_n for_o this_o substance_n be_v separate_v and_o thereby_o the_o texture_n of_o one_o of_o the_o liquor_n or_o perhaps_o both_o be_v change_v the_o liquor_n which_o come_v over_o very_o clear_a into_o the_o receiver_n swim_v upon_o one_o another_o nor_o have_v i_o since_o be_v able_a by_o shake_v they_o together_o to_o confound_v they_o for_o any_o considerable_a time_n but_o they_o present_o part_v again_o and_o do_v to_o this_o day_n remain_v distinct_a as_o well_o as_o transparent_a but_o afâ—er_o have_v forget_v to_o set_v down_o these_o thing_n in_o their_o proper_a place_n i_o must_v not_o forget_v also_o that_o to_o employ_v here_o more_o word_n about_o they_o be_v to_o digress_v to_o this_o then_o annex_v we_o that_o the_o liquor_n we_o elsewhere_o mention_v
ourselves_o to_o have_v distil_v from_o benzoin_n have_v be_v and_o be_v still_o subject_a to_o much_o more_o frequent_a vicissitude_n of_o fluidity_n and_o firmness_n for_o part_n of_o it_o all_o the_o year_n long_o continue_v in_o the_o form_n of_o a_o blackish_a oil_n and_o the_o rest_n according_a as_o the_o season_n of_o the_o year_n or_o of_o the_o day_n make_v the_o weather_n cold_a or_o hot_a frequent_o change_v its_o texture_n sometime_o appear_v perfect_o the_o same_o with_o the_o newly-mentioned_a oil_n and_o sometime_o shoot_v into_o clear_a and_o variously-shaped_a crystal_n which_o fasten_v themselves_o to_o the_o bottom_n and_o side_n of_o the_o vessel_n till_o a_o warm_a part_n of_o the_o day_n or_o of_o the_o season_n resolve_v they_o again_o into_o a_o liquor_n and_o these_o two_o last_o observation_n may_v also_o serve_v to_o confirm_v what_o we_o former_o teach_v that_o the_o fluidity_n of_o some_o body_n depend_v almost_o whole_o upon_o the_o various_a agitation_n of_o their_o part_n for_o in_o there_o instance_n the_o part_n of_o the_o anniseed_n and_o those_o of_o the_o benzoin_n upon_o the_o operation_n or_o absence_n of_o the_o languid_a heat_n of_o the_o ambient_fw-la air_n sometime_o agitate_v they_o and_o sometimes_o suffer_v they_o to_o rest_v do_v constitute_v a_o fluid_a or_o a_o consistent_a body_n anâ—_n hâ—ving_v thus_o take_v noâ—ice_n of_o this_o upon_o the_o by_o we_o will_v 〈◊〉_d the_o other_o example_n mention_v under_o this_o second_o head_n that_o which_o it_o afford_v as_o to_o ouâ—_n present_a purpose_n by_o salt-petre_a which_o be_v dissolve_v 〈◊〉_d â—â—fficient_a quantity_n of_o common_a water_n will_v seem_v to_o be_v lose_v in_o it_o and_o to_o constitute_v with_o it_o one_o uniform_a fluid_a substance_n but_o if_o a_o competent_a quantity_n of_o that_o water_n be_v boil_v or_o permit_v to_o exhale_v away_o and_o the_o remain_a liquor_n be_v suffer_v to_o rest_v a_o while_n especial_o in_o a_o cool_a place_n the_o saline_a particle_n will_v be_v reunite_v themselves_o and_o by_o the_o exclusion_n of_o the_o aqueous_a part_n constitute_v stable_n and_o determinately-figured_a iceicles_a or_o crystal_n the_o consideration_n of_o this_o may_v suggest_v to_o we_o another_o way_n that_o seem_v quite_o contrary_a to_o the_o former_a whereby_o some_o body_n may_v become_v firm_a and_o solid_a and_o that_o be_v by_o the_o intermingle_v of_o a_o due_a proportion_n of_o water_n or_o some_o other_o liquor_n for_o though_o the_o small_a part_n of_o such_o fluid_a body_n be_v themselves_o in_o motion_n be_v apt_a to_o give_v those_o of_o other_o such_o a_o agitation_n as_o we_o have_v former_o teach_v that_o fluidity_n principal_o depend_v on_o it_o seem_v that_o the_o admission_n of_o any_o liquor_n must_v rather_o conduce_v to_o the_o make_n of_o a_o body_n fluid_a than_o consistent_a yet_o if_o we_o consult_v experience_n it_o will_v instruct_v we_o otherwise_o for_o when_o i_o have_v take_v either_o a_o equal_a or_o a_o double_a weight_n of_o oil_n of_o vitriol_n and_o distil_v it_o wary_o from_o run_v mercury_n very_o much_o the_o great_a part_n of_o the_o liquor_n will_v come_v over_o and_o leave_v behind_o it_o a_o very_a white_a powder_n considerable_o fix_v and_o if_o we_o examine_v that_o familiar_a production_n of_o chemistry_n mercurius_n dulcis_fw-la which_o they_o now_o use_v to_o make_v by_o sublime_v of_o together_o two_o part_n of_o crude_a mercury_n with_o but_o one_o of_o sublimate_n which_o consist_v chief_o of_o mercury_n already_o we_o may_v find_v that_o in_o that_o which_o be_v count_v the_o best_a the_o fluid_a body_n of_o quicksilver_n be_v so_o contex_v with_o the_o salt_n it_o carry_v up_o in_o sublimation_n that_o the_o dry_a and_o brittle_a body_n they_o compose_v may_v contain_v far_o more_o perhaps_o twice_o more_o quicksilver_n than_o salt_n and_o other_o experiment_n may_v persuade_v we_o that_o the_o mixture_n of_o a_o convenient_a liquor_n may_v cement_v body_n into_o one_o hard_a concretion_n which_o will_v scarce_o be_v compact_v together_o otherwise_o nor_o be_v it_o against_o reason_n that_o it_o shall_v be_v so_o for_o there_o may_v be_v differ_v qualification_n require_v to_o a_o body_n whilst_o it_o be_v constitute_v and_o when_o it_o be_v constitute_v and_o though_o the_o motion_n of_o the_o part_n that_o make_v it_o up_o oppose_v the_o firmness_n of_o a_o form_a body_n yet_o it_o may_v conduce_v to_o the_o make_n of_o a_o firm_a body_n for_o when_o a_o great_a many_o hard_a corpuscle_n lie_v together_o loose_a and_o incoherent_a they_o do_v as_o we_o former_o note_v emulate_v a_o fluid_a body_n whereas_o by_o the_o mixture_n of_o a_o liquor_n those_o loose_a corpuscle_n be_v for_o a_o while_n dissociate_v and_o put_v into_o motion_n they_o may_v after_o many_o evolution_n apply_v themselves_o to_o one_o another_o after_o that_o manner_n that_o be_v most_o requisite_a to_o make_v they_o touch_v one_o another_o close_o and_o according_a to_o a_o great_a surface_n whereupon_o it_o often_o follow_v that_o the_o liquor_n in_o which_o they_o do_v former_o swim_v be_v either_o squeeze_v out_o upon_o their_o close_n or_o else_o so_o disperse_v in_o small_a particle_n and_o dispose_v of_o among_o those_o of_o the_o hard_a corpuscle_n that_o they_o be_v unable_a to_o agitate_v they_o or_o prejudice_v their_o mutual_a cohesion_n and_o here_o to_o dilucidate_v the_o subject_n under_o consideration_n by_o a_o instance_n that_o seem_v very_o pertinent_a to_o it_o we_o will_v make_v a_o further_a use_n of_o the_o experiment_n former_o mention_v touch_v the_o burn_a of_o alabaster_n for_o if_o the_o powder_n after_o it_o have_v do_v boil_v and_o have_v be_v sufficient_o burn_v and_o keep_v some_o hour_n the_o most_o experience_a artificer_n observe_v that_o it_o be_v not_o so_o convenient_a to_o employ_v it_o present_o after_o it_o be_v take_v off_o the_o fire_n be_v well_o beat_v and_o temper_v up_o with_o fair_a water_n almost_o to_o the_o consistence_n of_o thin_a pap_n if_o the_o powder_n have_v be_v right_o prepare_v and_o skilful_o temper_v you_o shall_v see_v that_o fluid_a substance_n in_o a_o few_o minute_n of_o a_o hour_n bâ—gin_v to_o set_v as_o the_o tradesman_n speak_v that_o be_v to_o exchange_v its_o fluidity_n for_o firmness_n so_o that_o if_o it_o be_v bâ—â—ore_o cast_v into_o a_o mould_n it_o will_v perfect_o retain_v the_o figure_n of_o the_o internal_a surface_n thereof_o now_o that_o in_o our_o mixture_n there_o be_v for_o a_o while_o such_o a_o agitation_n of_o the_o hard_a part_n produce_v upon_o the_o affusion_n of_o â—he_n wateâ—_n and_o afterwards_o a_o exclusion_n of_o the_o superfluous_a water_n we_o may_v confirm_v partly_o by_o this_o that_o when_o any_o considerable_a quantity_n of_o burn_a alabaster_n be_v temper_v up_o with_o water_n the_o mixture_n after_o a_o little_a time_n grow_v sensible_o hot_a and_o sometime_o continue_v so_o for_o a_o pretty_a while_n and_o partly_o also_o by_o this_o that_o have_v purposely_o for_o trial_n sake_n fill_v a_o new_a and_o good_a glass-vial_n contain_v about_o half_a a_o pint_n or_o pound_n with_o the_o mixture_n we_o speak_v of_o and_o when_o it_o be_v top_n full_a stop_v it_o up_o very_o close_a the_o liquid_a mixture_n within_o less_o than_o half_a a_o hour_n crack_v the_o vial_n though_o stand_v in_o a_o window_n in_o several_a place_n and_o at_o those_o crevice_n discharge_v itself_o of_o about_o a_o spoonful_n of_o clear_a water_n the_o remain_a mixture_n retain_v perfect_o the_o figure_n and_o dimension_n of_o the_o vial_n and_o grow_v as_o hard_o as_o chalk_n or_o somewhat_o hard_o insomuch_o that_o we_o be_v fain_o to_o employ_v several_a stroke_n with_o a_o strong_a iron_n to_o divide_v the_o mass_n and_o let_v i_o here_o add_v that_o some_o other_o substance_n may_v this_o way_n afford_v much_o solider_fw-la body_n than_o burn_v alabaster_n do_v and_o therefore_o it_o may_v be_v a_o thing_n of_o good_a use_n to_o inquire_v out_o and_o try_v what_o other_o body_n easy_o to_o be_v procure_v may_v be_v thus_o bring_v to_o a_o new_a and_o last_a solidity_n for_o the_o learned_a hydrographer_n fournier_n speak_v of_o those_o dam_n or_o digue_n as_o he_o call_v they_o in_o his_o language_n which_o be_v sometime_o make_v in_o the_o sea_n to_o secure_a ship_n as_o i_o have_v see_v at_o the_o port_n of_o genoa_n and_o elsewhere_o after_o have_v tell_v we_o that_o the_o roman_n make_v the_o fair_a harbour_n in_o the_o world_n by_o the_o help_n of_o a_o certain_a sand_n to_o be_v meet_v with_o at_o cuma_n and_o puteoli_n in_o the_o kingdom_n of_o naples_n which_o sand_n mingle_v with_o a_o three_o part_n of_o quicklime_n acquire_v in_o the_o water_n a_o flint-like_a hardness_n 6._o subjoin_v this_o observation_n of_o his_o own_o j'ay_fw-fr veu_n etc._n etc._n that_o be_v i_o have_v see_v say_v he_o in_o