the_o matter_n boil_v over_o and_o though_o there_o be_v a_o great_a commotion_n excite_v by_o the_o action_n and_o reaction_n of_o the_o ingredient_n which_o be_v attend_v with_o a_o copious_a froth_n and_o a_o hiss_a noise_n yet_o it_o be_v a_o pretty_a while_n ere_o the_o glass_n be_v sensible_o warm_a on_o the_o outside_n but_o by_o that_o time_n the_o salt_n be_v all_o dissolve_v the_o liquor_n in_o the_o thermoscope_n appear_v to_o be_v impel_v up_o about_o three_o inch_n and_o a_o half_a and_o yet_o if_o my_o memory_n do_v not_o much_o deceive_v i_o i_o have_v find_v that_o by_o mix_v salt_n of_o tartar_n with_o another_o salt_n the_o texture_n of_o the_o fix_a alkali_n be_v so_o alter_v that_o upon_o the_o affusion_n of_o spirit_n of_o verdigrease_n make_v without_o spirit_n of_o vinegar_n and_o spirit_n of_o wine_n though_o there_o ensue_v a_o great_a conflict_n with_o noise_n and_o bubble_n yet_o instead_o of_o a_o incalescence_n a_o considerable_a degree_n of_o coldness_n 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according_o do_v scarce_o sensible_o raise_v the_o spirit_n of_o wine_n in_o the_o thermoscope_n though_o that_o be_v a_o tender_a one_o then_o lay_v aside_o that_o water_n and_o put_v the_o instrument_n into_o fresh_a of_o the_o same_o temper_n we_o put_v to_o it_o a_o very_a yellow_a sublimate_n that_o ascend_v high_a than_o the_o other_o part_n and_o seem_v to_o consist_v of_o the_o more_o sulphureous_a flower_n of_o the_o antimony_n with_o a_o mixture_n of_o the_o more_o volatile_a part_n of_o the_o shall_v ammoniac_a and_o this_o substance_n make_v the_o tinct_a spirit_n in_o the_o thermoscope_n descend_v very_o slow_o about_o a_o quarter_n of_o a_o inch_n but_o when_o the_o instrument_n be_v put_v into_o fresh_a water_n of_o the_o same_o temper_n and_o we_o have_v put_v in_o some_o of_o the_o powder_n of_o the_o low_a sort_n of_o sublimate_n which_o be_v dark_a colour_v though_o both_o the_o antimony_n and_o sal_fw-la ammoniac_a it_o consist_v of_o have_v be_v long_o expose_v to_o the_o action_n of_o a_o sublime_a heat_n yet_o the_o water_n be_v thereby_o speedy_o and_o notable_o cool_v insomuch_o that_o the_o spirit_n of_o wine_n in_o the_o weatherglass_n hasty_o descend_v and_o continue_v to_o sink_v till_o by_o our_o guess_n it_o have_v fall_v not_o much_o short_a of_o three_o inch_n of_o these_o phaenomena_n the_o etiology_n as_o some_o modern_n call_v the_o theory_n which_o propose_v the_o cause_n of_o thing_n be_v more_o easy_a to_o be_v find_v by_o a_o little_a consideration_n than_o to_o be_v make_v out_o in_o few_o word_n we_o make_v also_o a_o experiment_n like_o that_o above_o recite_v by_o sublime_v three_o ounce_n a_o piece_n of_o minimum_fw-la and_o sal_fw-la ammoniac_a in_o which_o trial_n we_o find_v that_o though_o in_o the_o caput_fw-la mortuum_fw-la the_o salt_n have_v notable_o wrought_v upon_o the_o calx_fw-la of_o lead_n and_o be_v in_o part_n associate_v with_o it_o as_o appear_v by_o the_o whiteness_n of_o the_o say_v caput_fw-la mortuum_fw-la by_o its_o sweetish_a taste_n and_o by_o the_o weight_n which_o exceed_v four_o dram_n that_o of_o all_o the_o minium_n yet_o a_o convenient_a quantity_n of_o this_o powder_a mixture_n be_v put_v into_o water_n wherein_o the_o former_a weatherglass_n have_v be_v keep_v a_o while_n the_o tinct_a spirit_n of_o wine_n be_v not_o manifest_o either_o raise_v or_o depress_v and_o when_o in_o another_o glass_n we_o prosecute_v the_o trial_n with_o the_o shall_v ammoniac_a that_o have_v be_v sublime_v from_o the_o minium_n it_o do_v indeed_o make_v the_o spirit_n of_o wine_n descend_v but_o scarce_o a_o quarter_n so_o much_o as_o it_o have_v be_v make_v to_o fall_v by_o the_o late_o mention_v sublimate_n of_o sal_fw-la ammoniac_a and_o antimony_n exper._n xiii_o it_o be_v know_v that_o many_o learned_a man_n beside_o several_a chemical_a writer_n ascribe_v the_o incalescence_n that_o be_v meet_v with_o in_o the_o dissolution_n of_o metal_n to_o a_o conflict_n arise_v from_o a_o certain_a antipathy_n or_o hostility_n which_o they_o suppose_v between_o the_o conflict_a body_n and_o particular_o between_o the_o acid_n salt_n of_o the_o one_o and_o the_o alcalizate_a salt_n whether_o fix_v or_o volatile_a of_o the_o other_o but_o since_o this_o doctrine_n suppose_v a_o hatred_n between_o inanimate_a body_n in_o which_o it_o be_v hard_a to_o conceive_v how_o there_o can_v be_v any_o true_a passion_n and_o do_v not_o intelligible_o declare_v by_o what_o mean_v their_o suppose_a hostility_n produce_v heat_n it_o be_v not_o likely_a that_o for_o these_o and_o some_o other_o reason_n inquisitive_a naturalist_n will_v easy_o acquiesce_v in_o it_o and_o on_o the_o other_o side_n it_o may_v be_v consider_v whether_o it_o be_v not_o more_o probable_a that_o heat_n sudden_o produce_v in_o mixture_n proceed_v either_o from_o a_o very_a quick_a and_o
the_o gross_a empereumatical_a oil_n of_o wood_n and_o even_o in_o high_a rectify_a spirit_n of_o wine_n which_o therefore_o some_o will_v have_v to_o be_v a_o alcalizat_n liquor_n and_o other_o list_v it_o among_o acid_n though_o i_o do_v not_o find_v it_o neither_o to_o be_v destroy_v or_o much_o alter_v by_o be_v put_v upon_o coral_n or_o salt_n of_o tartar_n as_o will_v happen_v to_o a_o acid_n menstruum_fw-la nor_o yet_o by_o be_v digest_v with_o and_o distil_v from_o sea_n salt_n as_o may_v be_v probable_o expect_v from_o a_o alcalizat_n one_o a_o and_o among_o those_o very_a body_n which_o their_o taste_n persuade_v chemist_n to_o reckon_v among_o acid_n one_o may_v according_a to_o what_o i_o former_o note_v observe_v so_o great_a a_o difference_n and_o variety_n of_o relish_v that_o perhaps_o without_o be_v too_o severe_a i_o may_v say_v that_o if_o i_o be_v to_o allow_v acid_n to_o be_v one_o principle_n it_o shall_v be_v only_o in_o some_o such_o metaphysical_a sense_n as_o 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precipitation_n as_o you_o will_v be_v induce_v to_o think_v if_o you_o precipitate_v the_o solution_n of_o silver_n with_o copper_n with_o spirit_n of_o sal_fw-la ammoniac_a with_o salt_n water_n with_o oil_n of_o tartar_n with_o quicksilver_n with_o crude_a tartar_n and_o with_o zink_n and_o in_o the_o late_o propose_a example_n you_o will_v think_v it_o probable_a that_o it_o be_v not_o all_o one_o whether_o to_o dissolve_a mercury_n or_o silver_n you_o employ_v the_o subtle_a distil_a spirit_n of_o salt_n or_o the_o gross_a body_n whether_o in_o a_o dry_a form_n or_o bare_o dissolve_v in_o common_a water_n and_o thus_o much_o of_o the_o conduciveness_n of_o weight_n to_o the_o strike_v down_o the_o corpuscle_n of_o a_o dissolve_a body_n that_o also_o the_o bulk_n of_o a_o body_n may_v very_o much_o contribute_v to_o make_v it_o sink_v or_o swim_v in_o a_o liquor_n appear_v by_o obvious_a instance_n thus_o salt_n or_o sugar_n be_v put_v into_o water_n either_o in_o lump_n or_o 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of_o instance_n of_o the_o production_n of_o heat_n and_o i_o shall_v also_o forbear_v to_o insist_v on_o such_o know_a thing_n as_o the_o incalescence_n observable_a upon_o the_o pour_v either_o of_o oil_n of_o vitriol_n upon_o salt_n of_o tartar_n in_o the_o make_n of_o tartarum_fw-la vitriolatum_fw-la or_o of_o aqua_fw-la fortis_fw-la upon_o silver_n or_o quick_a silver_n in_o the_o dissolution_n of_o these_o metal_n but_o shall_v rather_o choose_v to_o mention_v some_o few_o instance_n not_o so_o notorious_a as_o the_o former_a but_o not_o unfit_a by_o their_o variety_n to_o exemplify_v several_a of_o the_o differ_a way_n of_o exciting_a heat_n and_o yet_o i_o shall_v not_o decline_v the_o mention_n of_o the_o most_o obvious_a and_o familiar_a instance_n of_o all_o namely_o the_o heat_n observe_v in_o quicklime_n upon_o the_o affusion_n of_o cold_a water_n because_o among_o learned_a man_n and_o especial_o peripatetic_n i_o find_v cause_n to_o be_v assign_v that_o be_v either_o 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i_o remember_v be_v prove_v and_o if_o the_o emerge_n of_o heat_n be_v a_o sufficient_a reason_n to_o prove_v a_o latent_fw-la acid_a salt_n in_o lime_n i_o know_v not_o why_o i_o may_v not_o infer_v that_o the_o like_a salt_n lie_v conceal_v in_o other_o body_n which_o the_o chemist_n take_v to_o be_v of_o the_o pure_a or_o mere_a sort_n of_o alcalys_n for_o i_o have_v purposely_o i._n try_v that_o by_o put_v a_o pretty_a quantity_n of_o dry_a salt_n of_o tartar_n in_o the_o palm_n of_o my_o hand_n and_o wet_v it_o well_o in_o cold_a water_n there_o have_v be_v a_o very_a sensible_a heat_n produce_v in_o the_o mixture_n and_o when_o i_o have_v make_v the_o trial_n with_o a_o more_o considerable_a quantity_n of_o salt_n and_o water_n in_o a_o viol_n the_o heat_n prove_v troublesome_o intense_a and_o continue_v to_o be_v at_o least_o sensible_a a_o good_a while_n after_o this_o experiment_n seem_v to_o favour_v the_o opinion_n that_o the_o heat_v produce_v in_o lime_n whilst_o it_o be_v quench_v proceed_v from_o the_o empyreuma_n as_o the_o chemist_n call_v it_o or_o impression_n leave_v by_o the_o violent_a fire_n that_o be_v employ_v to_o reduce_v the_o stone_n to_o lime_n but_o if_o by_o empyreuma_n be_v mean_v a_o bare_a impression_n make_v by_o the_o fire_n it_o will_v be_v more_o requisite_a than_o easy_a to_o declare_v intelligible_o in_o what_o that_o impression_n consist_v and_o how_o it_o operate_v to_o produce_v such_o considerable_a effect_n and_o if_o the_o effect_n be_v ascribe_v to_o swarm_n of_o atom_n of_o fire_n that_o remain_v adherent_a to_o the_o substance_n of_o the_o lime_n and_o be_v set_v at_o liberty_n to_o fly_v away_o by_o the_o liquor_n which_o seem_v to_o be_v argue_v by_o the_o slake_n of_o lime_n without_o water_n if_o it_o be_v for_o some_o time_n leave_v in_o the_o air_n whereby_o the_o atom_n of_o fire_n get_v opportunity_n to_o fly_v away_o by_o little_a and_o little_a if_o this_o i_o say_v be_v allege_v i_o will_v not_o deny_v but_o there_o may_v be_v a_o sense_n which_o i_o can_v explicate_v in_o few_o word_n wherein_o the_o cooperation_n of_o a_o substantial_a effluvium_fw-la for_o so_o i_o call_v it_o of_o the_o fire_n may_v be_v admit_v in_o give_v a_o account_n of_o our_o phaenomenon_n but_o the_o cause_n former_o assign_v as_o it_o be_v crude_o propose_v leave_v in_o my_o mind_n some_o scruple_n for_o it_o be_v not_o so_o easy_a to_o apprehend_v that_o such_o light_n and_o minute_n body_n as_o those_o of_o fire_n be_v suppose_v shall_v be_v so_o long_o detain_v as_o by_o this_o hypothesis_n they_o must_v be_v allow_v to_o be_v in_o quicklime_n keep_v in_o well-stopped_a vessel_n from_o get_v out_o of_o so_o lax_n and_o porous_a a_o body_n as_o lime_n especial_o since_o we_o see_v not_o a_o great_a incalescence_n or_o ebullition_n ensue_v upon_o the_o pour_v of_o water_n upon_o minium_n or_o crocus_n martis_n per_fw-la se_fw-la though_o they_o have_v be_v calcine_v by_o violent_a and_o last_a fire_n 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silver_n or_o crystal_n or_o venetian_a talc_n or_o some_o other_o body_n that_o i_o elsewhere_o name_n &_o yet_o these_o body_n be_v endow_v with_o divers_a quality_n as_o the_o two_o former_a with_o fusibleness_n and_o malleability_n and_o all_o of_o they_o with_o weight_n and_o fixity_n so_o that_o in_o these_o and_o the_o like_a body_n whence_o chemist_n have_v not_o make_v it_o yet_o appear_v that_o their_o salt_n sulphur_n and_o mercury_n can_v be_v true_o and_o adequate_o separate_v it_o will_v scarce_o be_v other_o than_o precarious_a to_o derive_v the_o malleableness_n colour_n and_o other_o quality_n of_o such_o body_n from_o those_o principle_n under_o this_o head_n i_o consider_v also_o that_o a_o great_a part_n of_o the_o chemical_a doctrine_n of_o quality_n be_v bottom_v on_o or_o suppose_n beside_o their_o new_o question_a analysis_n by_o fire_n some_o other_o thing_n which_o as_o far_o as_o i_o know_v have_v not_o yet_o be_v well_o prove_v and_o i_o question_v whether_o 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quality_n may_v be_v explicate_v but_o by_o a_o determinate_a number_n of_o material_a principle_n whether_o four_o or_o three_o beside_o that_o till_o they_o have_v show_v that_o such_o quality_n may_v be_v intelligible_o explicate_v by_o their_o principle_n the_o objection_n will_v lie_v as_o strong_a for_o the_o aristotelian_o against_o they_o as_o for_o they_o against_o the_o aristotelian_o chap._n ii_o next_o i_o consider_v that_o there_o be_v divers_a quality_n even_o in_o mix_a body_n wherein_o it_o do_v not_o appear_v that_o the_o use_n of_o the_o chemical_a doctrine_n be_v necessary_a as_o for_o instance_n when_o pure_a gold_n be_v by_o heat_n only_o bring_v to_o fusion_n and_o consequent_o to_o the_o state_n of_o fluidity_n and_o upon_o the_o remission_n of_o that_o heat_n grow_v a_o solid_a and_o consistent_a body_n again_o what_o addition_n or_o expulsion_n or_o change_n of_o any_o of_o the_o tria_fw-la prima_fw-la do_v appear_v to_o be_v the_o cause_n of_o this_o change_n of_o consistence_n which_o be_v easy_a to_o be_v account_v for_o according_a to_o the_o mechanical_a way_n by_o the_o vehement_a agitation_n that_o the_o fire_n make_v of_o the_o minute_n part_n of_o the_o gold_n to_o bring_v it_o to_o fusion_n and_o the_o cohesion_n of_o those_o part_n by_o virtue_n of_o their_o gravity_n and_o fitness_n to_o adhere_v to_o one_o another_o when_o that_o agitation_n cease_v when_o venice_n glass_n be_v mere_o by_o be_v beat_v to_o powder_v deprive_v of_o its_o transparency_n and_o turn_v into_o a_o body_n opacous_a and_o white_a what_o need_n or_o use_v of_o the_o tria_fw-la prima_fw-la have_v we_o in_o the_o explication_n of_o this_o phaenomenon_n or_o of_o that_o other_o which_o occur_v when_o by_o bare_o melt_v down_o this_o white_a and_o opacous_a body_n it_o be_v deprive_v of_o its_o opacity_n and_o colour_n and_o become_v diaphanous_a and_o of_o this_o sort_n of_o instance_n you_o will_v meet_v with_o divers_a in_o the_o follow_a note_n about_o particular_a quality_n for_o which_o reason_n i_o shall_v forbear_v the_o mention_n of_o they_o here_o chap._n iii_o i_o observe_v too_o that_o the_o spagyrical_a doctrine_n of_o quality_n be_v insufficient_a and_o too_o narrow_a to_o reach_v to_o all_o the_o phaenomena_n or_o even_o to_o all_o the_o notable_a one_o that_o aught_o to_o be_v explicable_a by_o they_o and_o this_o insufficiency_n i_o find_v to_o be_v twofold_a for_o first_o there_o be_v divers_a quality_n of_o which_o chemist_n will_v not_o so_o much_o as_o attempt_v to_o give_v we_o explication_n and_o of_o other_o particular_a quality_n the_o explication_n such_o as_o they_o be_v that_o they_o give_v we_o be_v often_o very_o deficient_a and_o unsatisfactory_a and_o do_v not_o sometime_o so_o much_o as_o take_v notice_n of_o divers_a considerable_a phaenomena_n that_o belong_v to_o the_o quality_n whereof_o they_o pretend_v to_o give_v a_o account_n of_o which_o you_o will_v meet_v with_o divers_a instance_n in_o the_o 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first_o with_o spirit_n of_o vinegar_n and_o then_o of_o wine_n after_o the_o long_a and_o laborious_a way_n prescribe_v by_o basilius_n and_o zwelfer_n but_o easy_o and_o expeditious_o by_o a_o simple_a distillation_n of_o crude_a verdigrease_n of_o the_o better_a sort_n for_o when_o you_o have_v with_o this_o liquor_n be_v if_o there_o be_v need_n once_o rectify_v dissolve_v as_o much_o good_a salt_n of_o tartar_n as_o it_o will_v take_v up_o in_o the_o cold_a if_o you_o draw_v off_o the_o menstruum_fw-la ad_fw-la siccitatem_fw-la the_o remain_v dry_a salt_n will_v be_v manifest_o alter_v in_o texture_n even_o to_o the_o eye_n and_o will_v ready_o enough_o in_o high_a rectify_a spirit_n of_o wine_n afford_v a_o solution_n which_o i_o have_v find_v considerable_a in_o order_n to_o divers_a use_n that_o concern_v not_o our_o present_a discourse_n exper._n vi_o to_o the_o consideration_n of_o the_o follower_n of_o helmont_n i_o shall_v recommend_v a_o experiment_n of_o that_o famous_a chymist_n which_o seem_v to_o suit_v exceed_v well_o with_o the_o doctrine_n propose_v in_o this_o section_n for_o he_o tell_v we_o that_o if_o by_o a_o subtle_a menstruum_fw-la to_o which_o he_o ascribe_v that_o power_n quicksilver_n be_v devest_v or_o deprive_v of_o its_o external_a sulphur_n as_o he_o term_v it_o all_o the_o rest_n of_o the_o fluid_a metal_n which_o he_o witty_o enough_o style_n the_o kernel_n of_o mercury_n will_v be_v no_o long_o corrosible_a by_o it_o so_o that_o upon_o this_o supposition_n though_o common_a quicksilver_n be_v observe_v to_o be_v so_o obnoxious_a to_o aqua_fw-la fortis_fw-la that_o the_o same_o quantity_n of_o that_o liquor_n will_v dissolve_v more_o of_o it_o than_o of_o any_o other_o metal_n yet_o if_o by_o the_o deprivation_n of_o some_o portion_n of_o it_o the_o latent_fw-la texture_n of_o the_o metal_n be_v alter_v though_o not_o that_o i_o remember_v the_o visible_a appearance_n of_o it_o the_o body_n that_o be_v before_o so_o easy_o 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calm_o and_o silent_o without_o any_o appearance_n of_o conflict_n if_o we_o put_v such_o grain_n of_o salt_n into_o good_a oil_n of_o vitriol_n that_o liquor_n will_v fall_v surious_o upon_o they_o and_o produce_v for_o a_o good_a while_o a_o hiss_a noise_n with_o fume_n and_o a_o great_a store_n of_o bubble_n as_o if_o a_o potent_a menstruum_fw-la be_v corrode_a some_o stubborn_a metal_n or_o mineral_n and_o this_o experiment_n i_o the_o rather_o mention_v because_o it_o may_v be_v of_o use_n to_o we_o on_o divers_a other_o occasion_n for_o else_o it_o be_v not_o the_o only_a though_o it_o be_v the_o remarkabl_a that_o i_o make_v to_o the_o same_o purpose_n exper._n ix_o for_o whereas_o aqua_fw-la fortis_fw-la or_o aqua_fw-la regis_fw-la be_v pour_v upon_o file_n of_o copper_n will_v work_v upon_o they_o with_o much_o noise_n and_o ebullition_n i_o have_v try_v that_o good_a spirit_n of_o sal_fw-la ammoniac_a or_o urine_n be_v put_v upon_o the_o like_a file_n and_o leave_v there_o without_o stop_v the_o glass_n will_v quick_o begin_v to_o work_v on_o they_o and_o quiet_o dissolve_v they_o almost_o as_o water_n dissolve_v sugar_n to_o which_o may_v be_v add_v that_o even_o with_o oil_n of_o turpentine_n i_o have_v though_o but_o slow_o dissolve_v crude_a copper_n and_o the_o experiment_n seem_v to_o favour_v our_o conjecture_n the_o more_o because_o have_v try_v it_o several_a time_n it_o appear_v that_o common_a unrectify_v oil_n will_v perform_v the_o solution_n much_o quick_a than_o that_o which_o be_v purify_v and_o subtilise_v by_o rectification_n which_o though_o more_o subtle_a and_o penetrant_fw-la yet_o be_v it_o seem_v on_o that_o account_n less_o fit_a to_o dissolve_v the_o metal_n than_o the_o grosser_n oil_n who_o particle_n may_v be_v more_o solid_a or_o more_o advantageous_o shape_v or_o on_o some_o other_o mechanical_a account_n better_o qualify_v for_o the_o purpose_n exper._n x._o take_v good_a silver_n and_o have_v dissolve_v it_o in_o aqua_fw-la fortis_fw-la precipitate_v it_o with_o a_o sufficient_a quantity_n of_o good_a spirit_n of_o salt_n then_o have_v wash_v the_o calx_fw-la which_o will_v be_v very_o white_a with_o common_a water_n and_o dry_v it_o well_o melt_v it_o with_o a_o moderate_a fire_n into_o a_o fusible_a mass_n which_o will_v be_v very_o much_o of_o the_o nature_n of_o what_o chemist_n call_v cornu_fw-la lunae_fw-la and_o which_o they_o make_v by_o precipitate_v dissolve_v silver_n with_o a_o bare_a solution_n of_o common_a salt_n make_v in_o common_a water_n and_o whereas_o both_o spirit_n of_o salt_n and_o silver_n dissolve_v in_o aqua_fw-la fortis_fw-la will_n each_o of_o they_o apart_o ready_o dissolve_v in_o simple_a water_n our_o luna_n cornea_n not_o only_o will_v not_o do_v so_o but_o be_v so_o indispose_v to_o dissolution_n that_o i_o remember_v i_o have_v keep_v it_o in_o digestion_n some_o in_o aqua_fw-la fortis_fw-la and_o some_o in_o aqua_fw-la regius_fw-la and_o that_o for_o a_o good_a while_n and_o in_o no_o very_a faint_a degree_n of_o heat_n without_o be_v able_a to_o dissolve_v it_o like_o a_o metal_n the_o menstruum_n have_v indeed_o tinge_v themselves_o upon_o it_o but_o leave_v the_o composition_n undissolve_v at_o the_o bottom_n with_o this_o instance_n of_o which_o sort_n more_o may_v be_v afford_v by_o chemical_a precipitation_n i_o shall_v conclude_v what_o i_o design_v to_o offer_v at_o present_a about_o the_o corrosibility_n of_o body_n as_o it_o may_v be_v consider_v in_o a_o more_o general_a way_n for_o as_o to_o the_o disposition_n that_o particular_a body_n have_v of_o be_v dissolve_v in_o or_o of_o resist_v determinate_a liquor_n it_o be_v much_o easy_a for_o i_o to_o enlarge_v upon_o that_o subject_a than_o it_o be_v to_o provide_v the_o instance_n above_o recite_v and_o these_o be_v not_o so_o few_o but_o that_o it_o be_v hope_v they_o may_v suffice_v to_o make_v it_o probable_a that_o in_o the_o relation_n betwixt_o a_o solvent_a and_o the_o body_n it_o be_v to_o work_v upon_o that_o which_o depend_v upon_o the_o mechanical_a affection_n of_o one_o or_o both_o be_v much_o to_o be_v consider_v and_o have_v a_o great_a interest_n in_o the_o operation_n of_o one_o of_o the_o body_n upon_o the_o other_o finis_fw-la of_o the_o mechanical_a cause_n of_o chemical_a precipitation_n by_o the_o honourable_a robert_n boyle_n esq_n fellow_n of_o the_o r._n society_n london_n print_v by_o e._n flesher_n for_o r._n davis_n bookseller_n in_o oxford_n 1675._o advertisement_n though_o i_o shall_v not_o deny_v that_o in_o grammatical_a strictness_n precipitation_n shall_v be_v reckon_v among_o chemical_a operation_n not_o quality_n yet_o i_o do_v not_o much_o scruple_n to_o insert_v the_o follow_a discourse_n among_o the_o note_n about_o particular_a quality_n because_o many_o if_o not_o most_o of_o the_o phaenomena_n mention_v in_o the_o ensue_a essay_n may_v be_v consider_v as_o depend_v some_o of_o they_o
be_v fit_v for_o so_o strict_a a_o union_n that_o the_o corpuscle_n result_v from_o their_o coalition_n will_v not_o so_o easy_o be_v separate_v by_o the_o particle_n of_o water_n as_o suffer_v themselves_o to_o be_v carry_v up_o and_o down_o with_o they_o whether_o because_o of_o the_o minuteness_n of_o these_o compound_a corpuscle_n or_o because_o of_o some_o congruity_n betwixt_o they_o and_o those_o of_o the_o water_n they_o will_v not_o be_v precipitate_v out_o of_o the_o weaken_a solution_n but_o still_o continue_v a_o part_n of_o it_o as_o i_o have_v try_v partly_o with_o some_o solution_n of_o silver_n and_o gold_n make_v in_o acid_a menstruum_n but_o much_o more_o satisfactory_o in_o solution_n of_o copper_n make_v in_o the_o urinous_a spirit_n of_o sal_fw-la ammoniac_a for_o though_o that_o blue_a solution_n be_v dilute_v with_o many_o thousand_o time_n as_o much_o distil_a water_n as_o the_o dissolve_a metal_n weigh_v yet_o its_o swim_a corpuscle_n do_v by_o their_o colour_n 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it_o have_v receive_v its_o due_a proportion_n it_o will_v then_o dissolve_v no_o more_o but_z if_o they_o be_v put_v into_o it_o let_v they_o fall_v to_o the_o ground_n and_o continue_v undissolved_a and_o that_o if_o when_o water_n be_v satiate_v any_o of_o the_o liquor_n be_v evaporate_v or_o otherwise_o waste_v it_o will_v in_o proportion_n let_v fall_v the_o salt_n it_o have_v already_o take_v up_o i_o conclude_v that_o if_o i_o can_v mingle_v with_o water_n any_o liquor_n with_o which_o its_o particle_n will_v more_o ready_o associate_v than_o with_o those_o of_o salt_n the_o deprive_v the_o solution_n of_o so_o many_o of_o its_o aqueous_a particle_n will_v be_v equivalent_a to_o the_o evaporation_n of_o as_o much_o water_n or_o thereabouts_o as_o they_o by_o be_v unite_v can_v compose_v wherefore_o make_v a_o lixivium_n of_o distil_a water_n or_o clean_a rain-water_n and_o of_o salt_n of_o tartar_n so_o strong_a that_o if_o a_o grain_n more_o be_v cast_v in_o it_o it_o will_v 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they_o be_v more_o dispose_v to_o associate_v themselves_o which_o i_o conclude_v because_o have_v before_o i_o pour_v on_o this_o last_o name_v liquor_n make_v a_o mark_n on_o the_o glass_n to_o show_v how_o far_o the_o lixivium_n reach_v i_o find_v what_o i_o look_v for_o that_o after_o the_o precipitation_n the_o lixivium_n that_o remain_v yet_o strong_a enough_o to_o continue_v unmix_v with_o the_o incumbent_a spirit_n have_v its_o surface_n not_o where_o the_o mark_n show_v it_o have_v be_v before_o but_o a_o considerable_a distance_n beneath_o it_o the_o spirit_n of_o wine_n have_v gain_v in_o extent_n what_o it_o lose_v in_o strength_n by_o receive_v so_o many_o aqueous_a particle_n into_o it_o i_o choose_v to_o make_v this_o trial_n rather_o with_o a_o lixivium_n of_o salt_n of_o tartar_n than_o with_o oil_n of_o tartar_n per_fw-la deliquium_fw-la because_o in_o this_o last_o name_v liquor_n the_o aqueous_a and_o saline_a particle_n be_v more_o close_o combine_v and_o therefore_o more_o difficult_a to_o be_v separate_v than_o i_o think_v they_o will_v be_v in_o a_o lixivium_n hasty_o make_v though_o very_o strong_a and_o though_o by_o much_o agitation_n i_o have_v sometime_o obtain_v some_o salt_n of_o tartar_n from_o the_o abovementioned_a oil_n yet_o the_o experiment_n succeed_v nothing_o near_o so_o well_o with_o that_o liquor_n as_o with_o a_o lixivium_n i_o make_v also_o the_o like_a trial_n with_o exceed_o dephlegm_v spirit_n of_o wine_n and_o as_o strong_a a_o brine_n as_o i_o can_v make_v of_o common_a salt_n dissolve_v without_o heat_n in_o common_a water_n and_o i_o thereby_o obtain_v no_o despicable_a proportion_n of_o fine_o figure_v salt_n that_o be_v let_v fall_v to_o the_o bottom_n but_o this_o experiment_n to_o be_v successful_a require_v great_a care_n in_o he_o that_o make_v it_o than_o the_o former_a needs_o to_o confirm_v and_o somewhat_o to_o vary_v this_o way_n of_o precipitation_n i_o shall_v add_v that_o have_v make_v a_o clear_a solution_n of_o choice_n gum_n arabic_n in_o common_a water_n and_o pour_v upon_o it_o a_o little_a high_a rectify_a spirit_n of_o wine_n on_o this_o occasion_n there_o be_v also_o make_v and_o that_o in_o a_o trice_n a_o copious_a precipitation_n of_o a_o light_n and_o pure_o white_a substance_n not_o unpleasant_a to_o behold_v and_o for_o further_a confirmation_n i_o dissolve_v a_o full_a proportion_n of_o myrrh_n in_o fair_a water_n and_o into_o the_o filtrated_a solution_n which_o be_v transparent_a but_o of_o a_o high_a brown_a colour_n i_o drop_v a_o large_a proportion_n which_o circumstance_n be_v not_o to_o be_v omit_v of_o careful_o dephlegm_v spirit_n of_o wine_n which_o according_a to_o expectation_n make_v a_o copious_a precipitate_v of_o the_o gum._n and_o these_o instance_n i_o the_o rather_o set_v down_o in_o this_o place_n because_o they_o seem_v to_o show_v that_o simple_a water_n be_v a_o real_a menstruum_fw-la which_o may_v have_v its_o dissolve_v and_o sustain_v virtue_n weaken_v by_o the_o accession_n of_o liquor_n that_o be_v not_o doubt_v to_o be_v much_o strong_a than_o it_o by_o specify_v the_o hitherto_o mention_a way_n whereby_o precipitation_n may_v be_v mechanical_o perform_v and_o account_v for_o i_o will_v by_o no_o mean_n be_v think_v to_o deny_v that_o there_o may_v be_v some_o omit_v here_o which_o either_o other_o that_o shall_v consider_v the_o matter_n with_o more_o attention_n or_o i_o myself_o if_o i_o shall_v have_v leisure_n to_o do_v it_o may_v think_v on_o for_o i_o propose_v these_o but_o as_o the_o chief_a that_o occur_v to_o my_o present_a thought_n and_o i_o forbear_v to_o add_v more_o instance_n to_o exemplify_v they_o because_o i_o will_v not_o injure_v some_o of_o my_o other_o paper_n that_o have_v a_o great_a right_n to_o those_o instance_n only_o this_o i_o shall_v note_v in_o general_n that_o the_o doctrine_n