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 quicksilver_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 just_o questionable_a or_o manifest_o erroneous_a for_o as_o to_o what_o be_v inculcate_v by_o the_o school_n about_o the_o incalescence_n of_o a_o mixture_n of_o quicklime_n and_o water_n by_o virtue_n of_o a_o suppose_a antiperistasis_n or_o invigoration_n of_o the_o internal_a heat_n of_o the_o lime_n by_o its_o be_v environ_v by_o cold_a water_n i_o have_v elsewhere_o show_v that_o this_o be_v but_o a_o imaginary_a cause_n by_o deliver_v upon_o experiment_n which_o any_o man_n may_v easy_o make_v that_o if_o instead_o of_o cold_a water_n the_o liquor_n be_v pour_v on_o very_o hot_a the_o ebullition_n of_o the_o lime_n will_v not_o be_v the_o less_o but_o rather_o the_o great_a and_o oil_n of_o turpentine_n which_o be_v a_o light_a and_o be_v look_v upon_o as_o a_o subtle_a liquor_n than_o water_n though_o it_o be_v pour_v quite_o cold_a on_o quicklime_n will_v not_o that_o i_o have_v observe_v grow_v so_o much_o as_o sensible_o hot_a with_o it_o and_o now_o i_o have_v mention_v the_o incalescence_n of_o lime_n which_o though_o a_o abvious_a phaenomenon_n have_v exercise_v the_o wit_n of_o divers_a philosopher_n and_o chemist_n i_o will_v add_v two_o or_o three_o observation_n in_o order_n to_o a_o inquiry_n that_o may_v be_v some_o other_o time_n make_v into_o the_o genuine_a cause_n of_o it_o which_o be_v not_o so_o easy_a to_o be_v find_v as_o many_o learned_a man_n may_v at_o first_o sight_n imagine_v the_o acute_a helmont_n indeed_o and_o his_o follower_n have_v ingenious_o enough_o attempt_v to_o derive_v the_o heat_n under_o consideration_n from_o the_o conflict_n of_o some_o alcalizate_n and_o acid_n salt_n that_o be_v to_o be_v find_v in_o quicklime_n and_o be_v dissolve_v and_o so_o set_v at_o liberty_n to_o fight_v with_o one_o another_o by_o the_o water_n that_o slake_v the_o lime_n but_o though_o we_o have_v some_o manifest_a mark_n of_o a_o alcalizate_a salt_n in_o lime_n yet_o that_o it_o contain_v also_o a_o acid_n salt_n have_v not_o that_o 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 try_v exper._n i_o 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 who_o effluvium_n or_o emanation_n appear_v to_o adhere_v to_o they_o by_o the_o increase_n of_o weight_n that_o lead_v if_o not_o also_o mars_n do_v manifest_o receive_v from_o the_o operation_n of_o the_o fire_n to_o which_o i_o shall_v add_v that_o whereas_o one_o will_v think_v that_o the_o igneous_a atom_n shall_v either_o fly_v away_o or_o be_v extinguish_v by_o the_o superven_a of_o water_n i_o know_v and_o elsewhere_o give_v account_n exper._n two_o of_o a_o experiment_n in_o which_o two_o liquor_n whereof_o one_o be_v furnish_v i_o by_o nature_n do_v by_o be_v several_a time_n separate_v and_o reconjoyn_v without_o additament_n at_o each_o congress_n produce_v a_o sensible_a heat_n and_o a_o instance_n of_o this_o kind_n exper._n iii_o though_o not_o so_o odd_a i_o purposely_o seek_v and_o find_v in_o salt_n of_o tartar_n from_o which_o after_o it_o have_v be_v once_o heat_v by_o the_o affusion_n of_o water_n we_o abstract_a or_o evaporate_v the_o liquor_n without_o violence_n of_o fire_n till_o the_o salt_n be_v again_o dry_a and_o then_o put_v on_o water_n a_o second_o time_n the_o same_o salt_n grow_v hot_a again_o in_o the_o vial_n and_o if_o i_o misremember_v not_o it_o produce_v this_o incalescence_n the_o three_o time_n if_o not_o the_o four_o and_o may_v probable_o have_v do_v it_o often_o if_o i_o have_v have_v occasion_n to_o prosecute_v the_o experiment_n which_o seem_v at_o least_o to_o argue_v that_o the_o great_a violence_n of_o fire_n be_v not_o necessary_a to_o impress_v what_o pass_v for_o a_o empyreum_fw-la upon_o all_o calcine_v body_n that_o will_v heat_n with_o water_n and_o on_o this_o occasion_n i_o shall_v venture_v to_o add_v that_o i_o have_v sometime_o doubt_v whether_o the_o incalescence_n may_v not_o much_o depend_v upon_o the_o particular_a disposition_n of_o the_o calcine_v body_n which_o be_v deprive_v of_o its_o former_a moisture_n and_o make_v more_o porous_a by_o the_o fire_n do_v by_o the_o help_n of_o those_o igneous_a effluvium_n for_o the_o most_o part_n of_o a_o saline_a nature_n that_o be_v disperse_v through_o it_o and_o adhere_v to_o it_o acquire_v such_o a_o texture_n that_o the_o water_n impel_v by_o its_o own_o weight_n and_o the_o pressure_n of_o the_o atmosphere_n be_v able_a to_o get_v into_o a_o multitude_n of_o its_o pore_n at_o once_o and_o sudden_o dissolve_v the_o igneous_a and_o alcalizate_a salt_n it_o every_o where_o meet_v with_o there_o and_o brisk_o disjoin_v the_o earthy_a and_o solid_a particle_n that_o be_v blend_v with_o they_o which_o be_v exceed_o numerous_a though_o each_o of_o they_o perhaps_o be_v very_a minute_n and_o move_v but_o a_o very_a little_a way_n yet_o their_o multitude_n make_v the_o confuse_a agitation_n of_o the_o whole_a aggregate_v of_o they_o and_o of_o the_o particle_n of_o the_o water_n and_o
salt_n vehement_a enough_o to_o produce_v a_o sensible_a heat_n especial_o if_o we_o admit_v that_o there_o be_v such_o a_o change_n make_v in_o the_o pore_n as_o occasion_n a_o great_a increase_n of_o this_o agitation_n by_o the_o ingress_n and_o action_n of_o some_o subtle_a ethereal_a matter_n from_o which_o alone_a monsieur_n des_fw-fr cartes_n ingenious_o attempt_v to_o derive_v the_o incalescence_n of_o lime_n and_o water_n as_o well_o as_o that_o of_o metal_n dissolve_v in_o corrosive_a liquor_n though_o as_o to_o the_o phaenomena_n we_o have_v be_v consider_v there_o seem_v at_o least_o to_o concur_v a_o peculiar_a disposition_n of_o body_n wherein_o heat_n be_v to_o be_v produce_v to_o do_v one_o or_o both_o of_o these_o two_o thing_n namely_o to_o retain_v good_a store_n of_o the_o igneous_a effluvia_fw-la and_o to_o be_v by_o their_o adhesion_n or_o some_o other_o operation_n of_o the_o fire_n reduce_v to_o such_o a_o texture_n of_o its_o component_a particle_n as_o to_o be_v fit_a to_o have_v they_o easy_o penetrate_v and_o brisk_o as_o well_o as_o copious_o dissipate_v by_o invade_v water_n and_o this_o conjecture_n for_o i_o propose_v it_o as_o no_o other_o seem_v favour_v by_o divers_a phaenomena_n some_o whereof_o i_o shall_v now_o annex_v for_o here_o it_o may_v be_v observe_v that_o both_o the_o dissolve_a salt_n of_o tartar_n late_o mention_v and_o the_o artificial_a liquor_n that_o grow_v hot_a with_o the_o natural_a reacquire_v that_o disposition_n to_o incalescence_n upon_o a_o bare_a constipation_n or_o close_a texture_n of_o the_o part_n from_o the_o superfluous_a moisture_n they_o be_v drown_v in_o before_o the_o heat_n that_o bring_v they_o to_o this_o texture_n have_v be_v so_o gentle_a that_o it_o be_v no_o way_n likely_a that_o the_o igneous_a exhalation_n can_v themselves_o produce_v such_o a_o heat_n or_o at_o least_o that_o they_o shall_v adhere_v in_o such_o number_n as_o must_v be_v requisite_a to_o such_o a_o effect_n unless_o the_o texture_n of_o the_o salt_n of_o tartar_n or_o other_o body_n do_v peculiar_o dispose_v it_o to_o detain_v they_o since_o i_o have_v find_v by_o trial_n that_o shall_v ammoniac_a dissolve_v in_o water_n exper._n iv_o though_o boil_v up_o with_o a_o brisk_a fire_n to_o a_o dry_a salt_n will_v upon_o its_o be_v again_o dissolve_v in_o water_n not_o produce_v any_o heat_n but_o a_o very_a considerable_a degree_n of_o cold._n i_o shall_v add_v that_o though_o one_o will_v expect_v a_o great_a cognation_n between_o the_o particle_n of_o fire_n adhere_v to_o quicklime_n and_o those_o of_o high_a rectify_a spirit_n of_o wine_n which_o be_v of_o so_o igneous_a a_o nature_n as_o to_o be_v total_o inflammable_a yet_o i_o have_v not_o find_v that_o the_o affusion_n of_o alkaol_n of_o wine_n upon_o quicklime_n will_v produce_v any_o sensible_a incalescence_n or_o any_o visible_a dissolution_n or_o dissipation_n of_o the_o lime_n as_o common_a water_n will_v have_v do_v though_o it_o seem_v to_o be_v greedy_o enough_o soak_v in_o by_o the_o lump_n of_o lime_n and_o i_o further_o try_v that_o if_o on_o this_o lime_n so_o drench_v i_o pour_v cold_a water_n there_o ensue_v no_o manifest_a heat_n nor_o do_v i_o so_o much_o as_o find_v the_o lump_n swell_v and_o thereby_o break_v till_o some_o hour_n after_o which_o seem_v to_o argue_v that_o the_o texture_n of_o the_o lime_n be_v such_o as_o to_o admit_v the_o particle_n of_o the_o spirit_n of_o wine_n into_o some_o of_o its_o pore_n which_o be_v either_o large_a or_o more_o congruous_a without_o admit_v it_o into_o the_o most_o numerous_a one_o whereinto_o the_o liquor_n must_v be_v receive_v to_o be_v able_a sudden_o to_o dissipate_v the_o corpuscle_n of_o lime_n into_o their_o minute_a particle_n into_o which_o corpuscle_n it_o seem_v that_o the_o change_n that_o the_o aqueous_a particle_n receive_v by_o associate_a with_o the_o spirituous_a one_o make_v they_o far_o less_o fit_a to_o penetrate_v and_o move_v brisk_o there_o than_o if_o they_o have_v enter_v alone_o i_o make_v also_o a_o experiment_n that_o seem_v to_o favour_v our_o conjecture_n by_o show_v how_o much_o the_o disposition_n of_o lime_n to_o incalescence_n may_v depend_v upon_o a_o idoneous_a texture_n and_o the_o experiment_n as_o i_o find_v it_o register_v in_o one_o of_o my_o memorial_n be_v this_o exper._n v._n upon_o quicklime_n we_o put_v in_o a_o retort_n as_o much_o moderate_o strong_a spirit_n of_o wine_n as_o will_v drench_v it_o and_o swim_v a_o pretty_a way_n above_o it_o and_o then_o distil_v with_o a_o gentle_a fire_n we_o draw_v off_o some_o spirit_n of_o wine_n much_o strong_a than_o that_o which_o have_v be_v put_v on_o and_o then_o the_o phlegm_n follow_v it_o the_o fire_n be_v increase_v which_o bring_v over_o a_o good_a deal_n of_o phlegmatic_a strengthless_a liquor_n by_o which_o one_o will_v have_v think_v that_o the_o quicklime_n have_v be_v slake_v but_o when_o the_o remain_a matter_n have_v be_v take_v out_o of_o the_o retort_n and_o suffer_v to_o cool_v it_o appear_v to_o have_v a_o fiery_a disposition_n that_o it_o have_v not_o before_o for_o if_o any_o lump_n of_o it_o as_o big_a as_o a_o nutmeg_n or_o a_o almond_n be_v cast_v into_o the_o water_n it_o will_v hiss_v as_o if_o a_o coal_n of_o fire_n have_v be_v plunge_v into_o the_o liquor_n which_o be_v soon_o thereby_o sensible_o heat_v nay_o have_v keep_v divers_a lump_n of_o this_o prepare_a calx_fw-la well_o cover_v from_o the_o air_n for_o divers_a week_n to_o try_v whether_o it_o will_v retain_v this_o property_n i_o find_v as_o i_o expect_v that_o the_o calx_fw-la operate_v after_o the_o same_o manner_n if_o not_o more_o powerful_o for_o sometime_o especial_o when_o it_o be_v reduce_v to_o small_a piece_n it_o will_v upon_o its_o come_n into_o the_o water_n make_v such_o a_o brisk_a noise_n as_o may_v almost_o pass_v for_o a_o kind_n of_o explosion_n these_o phaenomena_n seem_v to_o argue_v that_o the_o disposition_n that_o lime_n have_v to_o grow_v hot_a with_o water_n depend_v much_o on_o some_o peculiar_a texture_n since_o the_o aqueous_a part_n that_o one_o will_v think_v capable_a of_o quench_v all_o or_o most_o of_o the_o atom_n of_o fire_n that_o be_v suppose_v to_o adhere_v to_o quicklime_n do_v not_o near_o so_o much_o weaken_v the_o disposition_n of_o it_o to_o incalescence_n as_o the_o accession_n of_o the_o spirituous_a corpuscle_n and_o their_o contexture_n with_o those_o of_o the_o lime_n increase_v that_o igneous_a disposition_n and_o that_o there_o may_v intervene_v such_o a_o association_n seem_v to_o i_o the_o more_o probable_a not_o only_o because_o much_o of_o the_o distil_a liquor_n be_v as_o phlegmatic_a as_o if_o it_o have_v be_v rob_v of_o its_o more_o active_a part_n but_o because_o i_o have_v sometime_o have_v spirit_n of_o wine_n come_v over_o with_o quicklime_n not_o in_o unobserved_a steam_n but_o white_a fume_n to_o which_o i_o shall_v add_v that_o beside_o that_o the_o taste_n and_o perhaps_o odour_n of_o the_o spirit_n of_o wine_n be_v often_o manifest_o change_v by_o a_o well-made_a distillation_n from_o quicklime_n i_o have_v sometime_o find_v that_o liquor_n to_o give_v the_o lime_n a_o kind_n of_o alcalizat_n penetrancy_n not_o to_o say_v fieriness_n of_o taste_n that_o be_v very_o brisk_a and_o remarkable_a but_o i_o will_v not_o undertake_v that_o every_o experimenter_n nor_o i_o myself_o shall_v always_o make_v trial_n of_o this_o kind_n with_o the_o same_o success_n that_o i_o have_v in_o those_o above_o recite_v in_o regard_n that_o i_o have_v find_v quick-limes_a to_o differ_v much_o not_o only_o according_a to_o the_o degree_n of_o their_o calcination_n and_o to_o their_o recentness_n but_o also_o and_o that_o especial_o according_a to_o the_o differ_a nature_n of_o the_o stone_n and_o other_o body_n calcine_v which_o observation_n engage_v i_o the_o more_o to_o propose_v what_o have_v be_v hitherto_o deliver_v about_o quicklime_n as_o only_a narrative_n and_o a_o conjecture_n which_o i_o now_o perceive_v have_v detain_v we_o so_o long_o that_o i_o be_o oblige_v to_o hasten_v to_o the_o remain_a experiment_n and_o to_o be_v the_o more_o succinct_a in_o deliver_v they_o exper._n vi_o and_o it_o will_v be_v convenient_a to_o begin_v with_o a_o instance_n or_o two_o of_o the_o production_n of_o heat_n wherein_o there_o appear_v not_o to_o intervene_v any_o thing_n in_o the_o part_n of_o the_o agent_n or_o patient_n but_o local_a motion_n and_o the_o natural_a effect_n of_o it_o and_o as_o to_o this_o sort_n of_o experiment_n a_o little_a attention_n and_o reflection_n may_v make_v some_o familiar_a phaenomenon_n apposite_a to_o our_o present_a purpose_n when_o for_o example_n a_o smith_n do_v hasty_o hammer_v a_o nail_n or_o such_o like_a piece_n of_o iron_n the_o hammer_v metal_n will_v grow_v exceed_o hot_a and_o yet_o
form_n have_v the_o power_n to_o work_v on_o metal_n as_o i_o elsewhere_o show_v that_o by_o bare_o boil_v some_o solution_n of_o salt_n of_o a_o convenient_a structure_n as_o nitre_n sal_fw-la ammoniac_a etc._n etc._n with_o foliate_v gold_n silver_n etc._n etc._n we_o have_v corrode_v these_o metalas_n and_o can_v dissolve_v some_o other_o and_o by_o boil_v crude_a copper_n in_o file_n with_o sublimate_n and_o common_a water_n we_o be_v able_a in_o no_o long_a time_n to_o make_v a_o solution_n of_o the_o metal_n exper._n v._n sometime_o also_o so_o languid_a a_o agitation_n as_o that_o which_o seem_v but_o sufficient_a to_o keep_v a_o liquor_n in_o the_o state_n of_o fluidity_n may_v suffice_v to_o give_v some_o dry_a body_n a_o corrode_a power_n which_o they_o can_v not_o otherwise_o exercise_v as_o in_o the_o way_n of_o write_v one_o name_n or_o a_o motto_n upon_o the_o blade_n of_o a_o knife_n with_o common_a sublimate_n for_o if_o have_v very_o thin_o overlay_v which_o side_n 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solvent_a may_v be_v make_v with_o aqua_fw-la fortis_fw-la and_o crude_a sea-salt_n i_o may_v add_v that_o the_o mechanical_a affection_n of_o a_o menstruum_fw-la may_v have_v such_o a_o interest_n in_o its_o dissolutive_a power_n that_o even_o mineral_n or_o metalline_a corpuscle_n may_v become_v useful_a ingredient_n of_o it_o though_o perhaps_o it_o be_v a_o distil_a liquor_n as_o may_v be_v illustrate_v by_o the_o operation_n of_o some_o compound_a solvent_n such_o as_o be_v the_o oil_n of_o antimony_n make_v by_o repeat_v rectification_n of_o what_o chemist_n call_v its_o butter_n which_o whatever_o some_o say_v to_o the_o contrary_a do_v much_o abound_v in_o antimonial_a substance_n exper._n ix_o but_o i_o shall_v return_v to_o our_o aqua_fw-la regius_fw-la because_o the_o mention_n i_o have_v occasion_n to_o make_v of_o that_o solvent_a bring_v into_o my_o mind_n what_o i_o devise_v to_o make_v it_o probable_a that_o a_o small_a change_n than_o one_o will_v light_o imagine_v 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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 be_v produce_v exper._n x._o it_o be_v very_o probable_a that_o further_a trial_n will_v furnish_v we_o with_o more_o instance_n to_o show_v how_o the_o production_n of_o cold_a may_v in_o some_o case_n be_v effect_v vary_v or_o hinder_v by_o mechanical_a circumstance_n that_o be_v easy_o and_o usual_o overlook_v i_o remember_v on_o this_o occasion_n that_o though_o in_o the_o experiment_n above_o recite_v we_o observe_v that_o oil_n of_o vitriol_n and_o water_n be_v first_o shake_v together_o the_o volatile_a salt_n of_o sal_fw-la ammoniac_a be_v afterward_o put_v to_o they_o produce_v a_o sensible_a coldness_n yet_o i_o find_v that_o if_o a_o little_a oil_n of_o vitriol_n and_o of_o the_o volatile_a salt_n be_v first_o put_v together_o though_o soon_o after_o a_o considerable_a proportion_n of_o water_n be_v add_v there_o will_v be_v produce_v not_o a_o coldness_n but_o a_o manifest_a degree_n of_o heat_n which_o will_v impel_v up_o the_o liquor_n in_o the_o thermoscope_n to_o the_o 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but_o light_o glance_v upon_o a_o couple_n of_o imperfection_n that_o more_o particular_o relate_v to_o the_o doctrine_n of_o quality_n and_o first_o i_o do_v not_o think_v it_o a_o convince_v argument_n that_o be_v wont_a to_o be_v employ_v by_o the_o aristotelian_o for_o their_o element_n as_o well_o as_o by_o the_o chemist_n for_o their_o principle_n that_o because_o this_o or_o that_o quality_n which_o they_o ascribe_v to_o a_o element_n or_o a_o principle_n be_v find_v in_o this_o or_o that_o body_n which_o they_o call_v mix_v therefore_o it_o must_v owe_v that_o quality_n to_o the_o participation_n of_o that_o principle_n or_o element_n for_o the_o same_o texture_n of_o part_n or_o other_o modification_n of_o matter_n may_v produce_v the_o like_a quality_n in_o the_o more_o simple_a and_o the_o more_o compound_a body_n and_o they_o may_v both_o separately_z derive_v it_o from_o the_o same_o cause_n and_o not_o one_o from_o the_o participation_n of_o the_o other_o so_o water_n 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doubtful_a speculation_n of_o the_o peripatetic_n or_o other_o adversary_n of_o the_o hermetick_n philosophy_n but_o from_o the_o nature_n of_o thing_n and_o from_o chemical_a experiment_n themselves_o so_o i_o hope_v if_o any_o of_o your_o spagyrical_a friend_n have_v a_o mind_n to_o convince_v i_o he_o will_v attempt_v to_o do_v it_o by_o the_o most_o proper_a way_n which_o be_v by_o actual_o give_v we_o clear_a and_o particular_a explication_n at_o least_o of_o the_o grand_a phaenomena_n of_o quality_n which_o if_o he_o shall_v do_v he_o will_v find_v i_o very_o ready_a to_o acquiesce_v in_o a_o truth_n that_o come_v usher_v in_o and_o endear_v by_o so_o acceptable_a and_o useful_a a_o thing_n as_o a_o philosophical_a theory_n of_o quality_n finis_fw-la reflection_n upon_o the_o hypothesis_n of_o alcali_n and_o acidum_fw-la 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 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difference_n may_v be_v meet_v with_o in_o a_o great_a number_n and_o variety_n of_o body_n and_o consequent_o the_o consideratin_n of_o they_o may_v frequent_o enough_o be_v of_o good_a use_n especial_o to_o spagyrist_n and_o physician_n when_o they_o be_v conversant_a about_o the_o secondary_a and_o if_o i_o may_v so_o call_v they_o chemical_a cause_n and_o operation_n of_o divers_a mix_v body_n yet_o i_o confess_v i_o can_v acquiesce_v in_o this_o hypothesis_n of_o alkeli_n and_o acidum_fw-la in_o the_o latitude_n wherein_o i_o find_v it_o urge_v and_o apply_v by_o the_o admirer_n of_o it_o as_o if_o it_o can_v be_v useful_o substitute_v in_o the_o place_n of_o matter_n and_o motion_n the_o hypothesis_n be_v in_o a_o sort_n subordinate_a to_o that_o of_o the_o tria_fw-la prima_fw-la in_o ascribe_v to_o two_o contrary_a saline_a principle_n what_o vulgar_a chemist_n do_v to_o their_o salt_n sulphur_n and_o
that_o water_n will_v by_o the_o prevalent_a pressure_n of_o the_o ambient_fw-la whether_o air_n or_o water_n be_v raise_v to_o the_o height_n of_o some_o inch_n in_o capillary_a glass_n and_o in_o the_o pore_n of_o sponge_n who_o consistent_a part_n be_v of_o easy_a session_n than_o the_o side_n of_o glass-pipe_n those_o pore_n will_v be_v enlarge_v and_o consequent_o those_o side_n disjoin_v as_o appear_v by_o the_o dilatation_n and_o swell_a of_o the_o sponge_n and_o second_o the_o agitation_n that_o the_o intrude_a corpuscle_n may_v be_v fit_v to_o receive_v in_o those_o pore_n or_o commissure_v by_o the_o transcursion_n of_o some_o subtle_a ethereal_a matter_n or_o by_o the_o numerous_a knock_n and_o other_o pulse_n of_o the_o swim_n or_o tumble_v corpuscle_n of_o the_o menstruum_fw-la itself_o which_o be_v a_o fluid_a body_n must_v have_v its_o small_a part_n perpetual_o and_o various_o move_v whereby_o the_o engage_a corpuscle_n like_v so_o many_o little_a wedge_n and_o lever_n may_v be_v enable_v to_o wrench_n open_a or_o force_v asunder_o the_o little_a part_n between_o which_o they_o have_v insinuate_v themselves_o but_o i_o shall_v not_o here_o prosecute_v this_o theory_n which_o to_o be_v handle_v full_o will_v require_v a_o discourse_n apart_o since_o these_o conjecture_n be_v propose_v but_o to_o make_v it_o probable_a in_o the_o general_n that_o the_o corrosiveness_n of_o body_n may_v be_v deduce_v from_o mechanical_a principle_n but_o whether_o best_a from_o the_o new_o propose_v one_o or_o any_o other_o need_v not_o be_v anxious_o consider_v in_o these_o note_n where_o the_o thing_n main_o intend_v and_o rely_v on_o be_v the_o experiment_n and_o phaenomena_n themselves_o exper._n i._n it_o be_v obvious_a that_o though_o the_o recent_o express_v juice_n of_o grape_n be_v sweet_a whilst_o it_o retain_v the_o texture_n that_o belong_v to_o it_o as_o it_o be_v new_a especial_o if_o it_o be_v make_v of_o some_o sort_n of_o grape_n that_o grow_v in_o hot_a region_n yet_o after_o fermentation_n it_o will_v in_o tract_n of_o time_n as_o it_o be_v spontaneous_o degenerate_a into_o vinegar_n in_o which_o liquor_n to_o a_o multitude_n of_o the_o more_o solid_a corpuscle_n of_o the_o must_v their_o frequent_a and_o mutual_a attrition_n may_v be_v suppose_v to_o have_v give_v edge_n like_o those_o of_o the_o blade_n of_o sword_n or_o knife_n and_o in_o which_o perhaps_o the_o confuse_a agitation_n that_o precede_v extricate_v or_o as_o it_o be_v unsheathe_v some_o acid_a particle_n that_o derive_v from_o the_o sap_n of_o the_o vine_n or_o perchance_o more_o original_o from_o the_o juice_n of_o the_o earth_n be_v at_o first_o in_o the_o must_v but_o lay_v conceal_v and_o as_o it_o be_v sheathe_v among_o the_o other_o particle_n wherewith_o they_o be_v associate_v when_o they_o be_v press_v out_o of_o the_o grape_n now_o this_o liquor_n that_o by_o the_o forementioned_a or_o other_o like_a mechanical_a change_n be_v become_v vinegar_n do_v so_o abound_v with_o corpuscle_n which_o on_o the_o account_n of_o their_o edge_n or_o their_o otherwise_o sharp_a and_o penetrative_a shape_n be_v acid_n and_o corrosive_a that_o the_o better_a sort_n of_o it_o will_v without_o any_o preparation_n dissolve_v coral_n crabs-eye_n and_o even_o some_o stone_n lapis_fw-la stellaris_fw-la in_o particular_a as_o also_o minium_n or_o the_o calx_fw-la of_o lead_n and_o even_o crude_a copper_n as_o we_o have_v often_o try_v and_o not_o only_o the_o distil_a spirit_n of_o it_o will_v do_v those_o thing_n more_o powerful_o and_o perform_v some_o other_o thing_n that_o mere_a vinegar_n can_v but_o the_o saline_a particle_n wont_a to_o remain_v after_o distillation_n may_v by_o be_v distil_v and_o cohobate_v per_fw-la se_fw-la or_o by_o be_v skilful_o unite_v with_o the_o forego_n spirit_n be_v bring_v to_o a_o menstruum_fw-la of_o no_o small_a efficacy_n in_o the_o dissolution_n and_o other_o preparation_n of_o metalline_a body_n too_o compact_v for_o the_o mere_a spirit_n itself_o to_o work_v upon_o from_o divers_a other_o sweet_a thing_n also_o may_v vinegar_n be_v make_v and_o even_o of_o honey_n skilful_o ferment_v with_o a_o small_a proportion_n of_o common_a water_n may_v be_v make_v a_o vinegar_n strong_a than_o many_o of_o the_o common_a wine-vinegars_a as_o have_v be_v affirm_v to_o i_o by_o a_o very_a candid_a physician_n who_o have_v occasion_n to_o deal_v much_o in_o liquor_n exper._n ii_o not_o only_o several_a dry_a wood_n and_o other_o body_n that_o most_o of_o they_o pass_v for_o insipid_a but_o honey_n and_o sugar_n themselves_o afford_v by_o distillation_n acid_n spirit_n that_o will_v dissolve_v coral_n pearl_n etc._n etc._n and_o will_v also_o corrode_v some_o metal_n and_o metalline_a body_n themselves_o as_o i_o have_v often_o find_v by_o trial._n so_o that_o the_o violent_a operation_n of_o the_o fire_n that_o destroy_v what_o they_o call_v the_o form_n of_o the_o distil_a body_n and_o work_n as_o a_o mechanical_a agent_n by_o agitate_v break_v dissipate_v and_o under_o a_o new_a constitution_n reassemble_v the_o part_n procure_v for_o the_o distiller_n a_fw-fr acid_n corrosive_a menstruum_fw-la which_o whether_o it_o be_v bring_v to_o pass_v by_o make_v the_o corpuscle_n rub_v one_o another_o into_o the_o figure_n of_o little_a sharp_a blade_n or_o by_o split_v some_o solid_a part_n into_o sharp_a or_o cut_a corpuscle_n or_o by_o unshethe_n as_o it_o be_v some_o part_n that_o during_o the_o former_a texture_n of_o the_o body_n do_v not_o appear_v to_o be_v acid_a or_o whether_o it_o be_v rather_o effect_v by_o some_o other_o mechanical_a way_n may_v in_o due_a time_n be_v further_o consider_v exper._n iii_o it_o be_v observe_v by_o refiner_n goldsmith_n and_o chemist_n that_o aqua_fw-la fortis_fw-la and_o aqua_fw-la regius_fw-la which_o be_v corrosive_a menstruum_n dissolve_v metal_n the_o former_a of_o they_o silver_n and_o the_o latter_a gold_n much_o more_o speedy_o and_o copious_o when_o a_o external_a heat_n give_v their_o intestine_a motion_n a_o new_a degree_n of_o vehemency_n or_o velocity_n which_o be_v but_o a_o mechanical_a thing_n and_o yet_o this_o superadded_a measure_n of_o agitation_n be_v not_o only_o in_o the_o abovementioned_a instance_n a_o powerful_o assistant_n cause_n in_o the_o solution_n make_v by_o the_o late_o mention_v corrosive_a liquor_n but_o be_v that_o without_o which_o some_o menstruum_n be_v not_o wont_n sensible_o to_o corrode_v some_o body_n at_o all_o as_o we_o have_v try_v in_o keep_v quicksilver_n in_o three_o or_o four_o time_n its_o weight_n of_o oil_n of_o vitriol_n since_o in_o this_o menstruum_fw-la i_o find_v not_o the_o mercury_n to_o be_v dissolve_v or_o corrode_v though_o i_o keep_v it_o a_o long_a time_n in_o the_o cold_a whereas_o when_o the_o oil_n of_o vitriol_n be_v excite_v by_o a_o convenient_a heat_n which_o be_v not_o faint_a it_o corrode_v the_o mercury_n into_o a_o fine_a white_a calx_fw-la or_o powder_n which_o by_o the_o affusion_n of_o fair_a water_n will_v be_v present_o turn_v into_o a_o yellowish_a calx_fw-la of_o the_o colour_n and_o nature_n of_o a_o turbith_n i_o remember_v also_o that_o have_v for_o trial_n sake_n dissolve_v in_o a_o weak_a spirit_n of_o salt_n a_o four_o part_n of_o its_o weight_n of_o fine_a crystal_n of_o nitre_n we_o find_v that_o it_o will_v not_o in_o the_o cold_a at_o least_o during_o a_o good_a while_n that_o we_o wait_v for_o its_o operation_n dissolve_v leafgold_n but_o when_o the_o menstruum_fw-la be_v a_o little_a heat_v at_o the_o fire_n the_o solution_n proceed_v ready_o enough_o and_o in_o some_o case_n though_o the_o external_a heat_n be_v but_o small_a yet_o there_o may_v intervene_v a_o brisk_a heat_n and_o much_o cooperate_v in_o the_o dissolution_n of_o a_o body_n as_o for_o instance_n of_o quicksilver_n in_o aqua_fw-la fortis_fw-la for_o it_o be_v no_o prodigy_n to_o find_v that_o when_o a_o full_a proportion_n of_o that_o fluid_a metal_n have_v be_v take_v the_o solution_n though_o at_o first_o altogether_o liquid_a and_o as_o to_o sense_n uniform_a come_v to_o have_v after_o a_o while_n a_o good_a quantity_n of_o coagulate_v or_o crystallize_v matter_n at_o the_o bottom_n of_o which_o the_o cause_n may_v be_v that_o in_o the_o very_a act_n of_o corrosion_n there_o be_v excite_v a_o intense_a degree_n of_o heat_n which_o confer_v a_o new_a degree_n of_o agitation_n to_o the_o menstruum_fw-la make_v it_o dissolve_v a_o good_a deal_n more_o than_o afterward_o when_o the_o conflict_n be_v over_o it_o be_v able_a to_o keep_v up_o exper._n iu._n we_o have_v observe_v also_o that_o agitation_n do_v in_o some_o case_n so_o much_o promote_v the_o dissolutive_a power_n of_o saline_n body_n that_o though_o they_o be_v not_o reduce_v to_o that_o subtlety_n of_o part_n to_o which_o a_o strong_a distillation_n bring_v they_o yet_o they_o may_v in_o their_o grosser_n and_o cruder_n
strange_a thing_n that_o be_v affirm_v of_o the_o operation_n of_o the_o alkahe_a we_o may_v in_o favour_n of_o our_o doctrine_n urge_v they_o with_o what_o be_v deliver_v by_o helmont_n where_o he_o assert_n that_o all_o solid_a body_n as_o stone_n mineral_n and_o metal_n themselves_o by_o have_v this_o liquor_n due_o abstract_v or_o distil_v off_o from_o they_o may_v be_v change_v into_o salt_n equiponderant_a to_o the_o respective_a body_n whereon_o the_o menstruum_fw-la be_v put_v so_o that_o suppose_v the_o alkahe_a to_o be_v total_o abstract_v as_o it_o seem_v very_o probable_a to_o be_v since_o the_o weight_n of_o the_o body_n whence_o it_o be_v draw_v off_o be_v not_o alter_v what_o other_o change_n than_o of_o texture_n can_v be_v reasonable_o imagine_v to_o have_v be_v make_v in_o the_o transmute_v body_n and_o yet_o divers_a of_o they_o as_o flint_n ruby_n sapphire_n gold_n silver_n etc._n etc._n that_o be_v insoluble_a before_o some_o of_o they_o in_o any_o know_a menstruum_n and_o other_o in_o any_o but_o corrosive_a liquor_n come_v to_o be_v capable_a of_o be_v dissolve_v in_o common_a water_n exper._n viii_o it_o be_v a_o remarkable_a phaenomenon_n that_o suit_v very_o well_o with_o our_o opinion_n about_o the_o interest_n of_o mechanical_a principle_n in_o the_o corrosive_a power_n of_o menstruum_n and_o the_o corrosibility_n of_o body_n that_o we_o produce_v by_o the_o follow_a experiment_n this_o we_o purposely_o make_v to_o show_v after_o how_o differ_v manner_n the_o same_o body_n may_v be_v dissolve_v by_o two_o menstruum_n who_o minute_n part_n be_v very_o differ_o constitute_v and_o agitate_a for_o whereas_o it_o be_v know_v that_o if_o we_o put_v large_a grain_n of_o sea-salt_n into_o common_a water_n they_o will_v be_v dissolve_v therein_o 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 furious_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 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than_o antimony_n which_o 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 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dissolve_v and_o agitate_a by_o the_o spittle_n that_o usual_o moisten_v the_o tongue_n their_o smallness_n may_v give_v they_o great_a access_n to_o the_o pore_n of_o that_o organ_n and_o the_o sharpness_n of_o their_o side_n and_o point_n may_v fit_v they_o to_o stab_v and_o cut_v and_o perhaps_o sear_v the_o nervous_a and_o membranous_a part_n of_o the_o organ_n of_o taste_n and_o that_o various_o according_a to_o the_o grand_a diversity_n as_o to_o shape_n and_o bulk_n of_o the_o saporifick_a particle_n themselves_o and_o this_o be_v grant_v it_o seem_v further_o conceivable_a that_o when_o the_o alkalizate_n and_o acid_n particle_n come_v to_o be_v put_v together_o in_o the_o fluid_a mixture_n wherein_o they_o swim_v many_o of_o they_o might_n after_o a_o multitude_n of_o various_a justling_n and_o occursion_n meet_v with_o one_o another_o so_o lucky_o and_o opportune_o as_o to_o recompose_v little_a prism_n or_o convene_v into_o other_o body_n almost_o like_o those_o that_o 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dissolve_v in_o a_o convenient_a vehicle_n and_o then_o must_v have_v great_a care_n and_o caution_n to_o put_v to_o it_o by_o degree_n a_o just_a proportion_n of_o strong_a spirit_n of_o sal_fw-la ammoniac_a or_o the_o like_a urinous_a spirit_n till_o the_o whole_a be_v precipitate_v and_o if_o the_o two_o former_a taste_n be_v not_o sufficient_o destroy_v in_o the_o mixture_n it_o may_v be_v dry_v and_o flux_v as_o be_v above_o direct_v about_o luna_n cornea_n exper._n v._n of_o a_o insipid_a body_n and_o a_o sour_a one_o to_o make_v a_o substance_n more_o bitter_a than_o gall_n or_o aloe_n this_o be_v easy_o perform_v by_o dissolve_v in_o strong_a spirit_n of_o nitre_n or_o good_a aqua_fw-la fortis_fw-la as_o much_o pure_a silver_n as_o the_o menstruum_fw-la will_v take_v up_o for_o this_o solution_n be_v filtrate_v have_v be_v often_o esteem_v more_o bitter_a than_o so_o much_o gall_n or_o wormwood_n or_o any_o other_o of_o those_o simple_n that_o have_v be_v famous_a for_o that_o 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skin_n and_o much_o less_o off_o of_o the_o nail_n but_o it_o will_v continue_v to_o appear_v many_o hour_n on_o the_o former_a and_o many_o day_n on_o the_o other_o exper._n vi_o of_o a_o insipid_a body_n and_o a_o high_o corrosive_a one_o to_o make_v a_o substance_n as_o sweet_a as_o sugar_n this_o be_v easy_o do_v by_o put_v upon_o good_a minium_n purify_v aqua_fw-la fortis_fw-la or_o spirit_n of_o nitre_n and_o let_v they_o work_v upon_o one_o another_o in_o a_o gentle_a heat_n till_o the_o liquor_n have_v dissolve_v its_o full_a proportion_n of_o the_o metal_n for_o then_o if_o the_o ingredient_n be_v good_a and_o the_o operation_n right_o perform_v the_o menstruum_fw-la will_v have_v a_o sweetness_n like_o that_o of_o ordinary_a saccharum_n saturni_n but_o it_o be_v not_o for_o nothing_o that_o i_o intimate_v the_o ingredient_n shall_v be_v also_o pure_a and_o good_a in_o their_o kind_n for_o if_o the_o minium_n be_v adulterate_v as_o often_o it_o be_v or_o the_o spirit_n of_o 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from_o sugar_n may_v be_v obtain_v from_o honey_n but_o in_o regard_n of_o its_o aptness_n to_o swell_v exceed_o chemist_n be_v not_o wont_a to_o distil_v it_o without_o sand_n brick_n or_o some_o other_o additament_n exper._n viii_o to_o divide_v a_o body_n bitter_a in_o the_o high_a degree_n into_o two_o substance_n the_o one_o extreme_o sour_a and_o the_o other_o perfect_o insipid_a this_o be_v easy_o do_v by_o put_v some_o fine_a crystal_n of_o luna_n into_o a_o good_a retort_n and_o then_o distil_v they_o in_o a_o sand-furnace_n capable_a of_o give_v they_o so_o strong_a a_o fire_n as_o to_o drive_v away_o all_o the_o spirit_n from_o the_o silver_n for_o this_o remain_v behind_o according_a to_o its_o metalline_a nature_n will_v be_v insipid_a and_o the_o spirit_n that_o be_v drive_v away_o from_o it_o will_v unite_v in_o the_o receiver_n into_o a_o acid_n and_o corrosive_a menstruum_fw-la exper._n ix_o to_o produce_v variety_n of_o taste_n in_o one_o insipid_a body_n by_o 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the_o converse_n of_o the_o forego_n and_o as_o it_o may_v serve_v as_o well_o as_o that_o to_o discover_v the_o structure_n of_o the_o minute_n part_n of_o divers_a metalline_a and_o mineral_n body_n so_o it_o may_v not_o only_o as_o well_o but_o better_a than_o that_o serve_v we_o to_o illustrate_v the_o corpuscularian_a doctrine_n of_o taste_n by_o show_v we_o that_o a_o single_a and_o as_o far_o as_o chemistry_n teach_v we_o a_o simple_a body_n endow_v with_o a_o peculiar_a taste_n may_v by_o be_v compound_v with_o other_o each_o of_o they_o insipid_a of_o itself_o produce_v a_o considerable_a number_n of_o differ_v taste_n there_o may_v be_v more_o instrument_n than_o one_o make_v use_v of_o in_o this_o trial_n but_o of_o those_o that_o be_v know_v and_o we_o may_v easy_o obtain_v the_o most_o proper_a be_v spirit_n of_o nitre_n and_o good_a aqua_fw-la fortis_fw-la for_o that_o with_o refine_a silver_n will_v make_v a_o solution_n bitter_a as_o gall_n with_o lead_n it_o will_v be_v of_o a_o saccharine_n sweetness_n with_o that_o part_n of_o tin_n which_o it_o will_v keep_v dissolve_v for_o the_o great_a it_o be_v wont_n but_o to_o corrode_v and_o praecipitate_v it_o produce_v a_o taste_n very_o distant_a from_o both_o the_o former_a but_o not_o odious_a with_o copper_n it_o afford_v a_o abominable_a taste_n with_o mercury_n and_o iron_n it_o afford_v other_o kind_n of_o bad_a taste_n nor_o be_v metal_n the_o only_a mineral_n body_n it_o will_v work_v upon_o for_o it_o will_v dissolve_v tinglass_n antimony_n brass_n to_o which_o i_o can_v add_v emery_n zinke_n and_o other_o body_n whereon_o i_o have_v try_v it_o all_o which_o together_o will_v make_v up_o no_o despicable_a number_n of_o differ_v taste_n exper._n xi_o of_o two_o liquor_n the_o one_o high_o corrosive_a and_o the_o other_o very_o pungent_a and_o not_o pleasant_a to_o compose_v a_o body_n of_o a_o pleasant_a and_o aromatic_a taste_n this_o experiment_n which_o i_o elsewhere_o mention_v to_o 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well_o mix_v and_o grow_v cold_a again_o you_o may_v after_o some_o digestion_n or_o if_o have_v require_v without_o it_o distil_v they_o total_o over_o together_o to_o unite_v they_o exquisite_o into_o one_o liquor_n in_o which_o if_o the_o operation_n have_v be_v well_o perform_v the_o corrosive_a particle_n of_o the_o salt_n will_v not_o only_o loose_v all_o their_o cut_a acidity_n wherewith_o they_o wound_v the_o palate_n but_o by_o their_o new_a composition_n with_o the_o vinous_a spirit_n the_o liquor_n acquire_v a_o vinous_a taste_n that_o be_v not_o only_o not_o acid_a or_o offensive_a but_o very_o please_v as_o if_o it_o belong_v to_o some_o new_a or_o unknown_a spice_n exper._n xii_o to_o imitate_v by_o art_n and_o sometime_o even_o in_o mineral_n the_o peculiar_a taste_n of_o natural_a body_n and_o even_o vegetable_n this_o be_v not_o a_o fit_a place_n to_o declare_v in_o what_o sense_n i_o do_v or_o do_v not_o admit_v of_o soul_n in_o vegetable_n nor_o what_o i_o allow_v or_o deny_v to_o the_o seminal_a or_o plastic_a principle_n ascribe_v to_o plant_n but_o perhaps_o it_o will_v not_o be_v erroneous_a to_o conceive_v that_o whatever_o be_v the_o agent_n in_o reference_n to_o those_o taste_n that_o be_v say_v to_o be_v specific_a to_o this_o or_o that_o plant_n that_o on_o who_o immediate_a account_n it_o be_v or_o become_v of_o this_o or_o that_o nature_n be_v a_o complication_n of_o mechanical_a affection_n as_o shape_n size_n etc._n etc._n in_o the_o particle_n of_o that_o matter_n which_o be_v say_v to_o be_v endow_v with_o such_o a_o specific_a taste_n to_o illustrate_v this_o i_o think_v it_o expedient_a to_o endeavour_v to_o imitate_v the_o taste_n of_o some_o natural_a body_n by_o artificial_a composition_n or_o preparation_n but_o find_v it_o not_o easy_a beforehand_o to_o be_v assure_v of_o the_o success_n of_o such_o trial_n and_o therefore_o i_o shall_v content_v myself_o here_o to_o mention_v three_o or_o four_o instance_n that_o except_o the_o first_o be_v rather_o observation_n than_o such_o experiment_n as_o we_o be_v speak_v of_o i_o remember_v then_o that_o make_v some_o trial_n to_o alter_v the_o sensible_a quality_n of_o smell_n taste_n etc._n etc._n of_o oil_n of_o vitriol_n and_o spirit_n of_o wine_n i_o obtain_v from_o they_o among_o other_o thing_n that_o suit_v with_o my_o design_n a_o certain_a liquor_n which_o though_o at_o first_o pleasant_a will_v at_o a_o certain_a nick_n of_o time_n make_v one_o that_o have_v it_o in_o his_o mouth_n think_v it_o have_v be_v imbue_v with_o garlic_n and_o this_o bring_v into_o my_o mind_n that_o a_o skilful_a person_n famous_a for_o make_v good_a cider_n come_v one_o day_n to_o advise_v with_o i_o what_o he_o shall_v do_v to_o heighten_v the_o taste_n of_o it_o and_o make_v it_o keep_v the_o long_o complain_v to_o i_o that_o have_v among_o other_o trial_n put_v
without_o the_o addition_n of_o any_o sweeten_v body_n i_o have_v be_v induce_v to_o think_v by_o have_v find_v upon_o trial_n that_o by_o the_o help_n of_o insipid_a water_n we_o may_v without_o any_o violence_n of_o fire_n reduce_v sea-salt_n into_o a_o brine_n of_o so_o mild_a and_o peculiar_a i_o have_v almost_o say_v pleasant_a a_o taste_n that_o one_o will_v scarce_o suspect_v what_o it_o have_v be_v or_o believe_v that_o so_o great_a a_o change_n of_o a_o mineral_n body_n can_v be_v effect_v by_o so_o slight_a a_o intestine_a commotion_n as_o indeed_o produce_v it_o especial_o since_o the_o alteration_n of_o taste_n be_v not_o the_o most_o considerable_a that_o be_v produce_v by_o this_o operation_n as_o to_o liquor_n that_o come_v from_o vegetable_n the_o emerge_n of_o new_a sapour_n upon_o the_o intestine_a commotion_n of_o the_o saporifick_a part_n as_o consequence_n of_o such_o commotion_n be_v more_o obvious_a than_o be_v common_o consider_v in_o the_o juice_n of_o grape_n which_o from_o a_o sweet_a and_o spiritless_a liquor_n do_v by_o that_o internal_a motion_n we_o call_v fermentation_n acquire_v that_o please_a pungency_n and_o briskness_n of_o taste_n that_o belong_v to_o wine_n and_o afterward_o degenerate_v into_o that_o acid_n and_o cut_a taste_n that_o be_v proper_a to_o vinegar_n and_o all_o this_o by_o a_o change_n of_o constitution_n make_v by_o the_o action_n of_o the_o part_n themselves_o on_o one_o another_o without_o the_o help_n of_o any_o external_a additament_n finis_fw-la experiment_n and_o observation_n about_o the_o mechanical_a production_n of_o odour_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 â—rinted_v by_o e._n flesher_n for_o r._n davis_n bookseller_n in_o oxford_n 1675._o experiment_n and_o observation_n about_o the_o mechanical_a production_n of_o odour_n since_o taste_n and_o odour_n perhaps_o by_o reason_n of_o the_o nearness_n of_o the_o organ_n they_o affect_v be_v wont_a 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that_o of_o any_o of_o the_o ingredient_n have_v take_v two_o ounce_n or_o part_n of_o clear_a oil_n of_o turpentine_n and_o mix_v it_o with_o one_o ounce_n or_o part_n of_o oil_n of_o vitriol_n which_o must_v be_v do_v by_o degree_n for_o otherwise_o the_o vessel_n will_v be_v endanger_v the_o clear_a liquor_n that_o come_v over_o upon_o the_o distillation_n of_o the_o mixture_n in_o a_o sand-furnace_n in_o stead_n of_o the_o odour_n of_o turpentine_n for_o the_o oil_n of_o vitriol_n alone_o be_v wont_a to_o be_v inodorous_a smell_v very_o strong_a of_o sulphur_n insomuch_o that_o once_o when_o i_o show_v this_o experiment_n approach_v my_o nose_n very_o bold_o and_o hasty_o to_o the_o receiver_n new_o sever_v from_o the_o retort_n the_o sulphureous_a stink_n prove_v so_o strong_a that_o it_o have_v almost_o to_o speak_v with_o the_o vulgar_a take_v away_o my_o breath_n and_o to_o illustrate_v yet_o far_o the_o possible_a emergency_n of_o such_o odour_n upon_o the_o mixture_n of_o ingredient_n as_o neither_o of_o they_o be_v apart_o endow_v with_o we_o cause_v the_o substance_n that_o remain_v behind_o in_o the_o retort_n in_o the_o form_n of_o a_o thin_a extract_n after_o one_o of_o the_o new_o mention_v distillation_n to_o be_v far_o press_v by_o a_o strong_a fire_n which_o force_v most_o of_o it_o over_o partly_o in_o the_o form_n of_o a_o thick_a oil_n and_o partly_o in_o that_o of_o butter_n both_o which_o we_o keep_v together_o in_o the_o same_o vial_n because_o their_o odour_n be_v neither_o that_o of_o oil_n of_o turpentine_n nor_o that_o of_o brimstone_n but_o they_o smell_v exceed_o like_o the_o distil_a oil_n of_o bees-wax_n exper._n iu._n about_o the_o production_n of_o some_o odour_n by_o local_a motion_n i_o shall_v not_o now_o examine_v whether_o the_o local_a motion_n of_o a_o external_a agent_n may_v not_o without_o material_o concur_v to_o the_o operation_n produce_v by_o agitate_v and_o shuffle_n the_o part_n odorous_a corpuscle_n but_o that_o 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vi_o by_o put_v a_o very_o strong_o stink_a body_n to_o another_o of_o a_o not_o sweet_a smell_n to_o produce_v a_o mixture_n of_o a_o pleasant_a and_o strong_o aromatic_a odour_n what_o be_v here_o propose_v be_v perform_v at_o the_o same_o time_n that_o the_o eleven_o of_o the_o forego_n experiment_n of_o taste_n be_v make_v for_o the_o liquor_n thereby_o produce_v if_o it_o be_v well_o prepare_v have_v not_o only_o a_o spicy_a taste_n but_o also_o a_o kind_n of_o aromatic_a and_o pleasant_a smell_n and_o i_o have_v some_o now_o by_o i_o that_o though_o keep_v not_o over-careful_o do_v after_o some_o year_n retain_v much_o of_o its_o former_a odour_n though_o not_o so_o much_o as_o of_o its_o taste_n exper._n vii_o by_o digest_v two_o body_n neither_o of_o they_o well_o scent_v to_o produce_v body_n of_o a_o very_a subtle_a and_o strong_o fragrant_a odour_n we_o take_v a_o pound_n for_o instance_n of_o spanish_a wine_n and_o put_v to_o it_o some_o ounce_n of_o oil_n of_o vitriol_n 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substance_n distil_v together_o and_o on_o this_o occasion_n i_o will_v add_v though_o not_o as_o a_o argument_n this_o observation_n which_o though_o i_o shall_v not_o undertake_v it_o will_v always_o succeed_v i_o think_v may_v not_o impertinent_o be_v set_v down_o in_o this_o place_n partly_o because_o of_o the_o likeness_n of_o the_o odour_n produce_v to_o that_o which_o be_v the_o effect_n of_o the_o last_o name_v trial_n and_o partly_o or_o rather_o chief_o because_o it_o may_v show_v we_o that_o a_o body_n which_o itself_o be_v not_o only_o inodorous_a but_o very_o fix_v may_v yet_o in_o some_o case_n have_v a_o great_a stroke_n in_o the_o phaenomena_n of_o odour_n whether_o by_o be_v wrought_v on_o by_o and_o sometime_o mingle_v with_o the_o part_n of_o the_o odorous_a body_n and_o thereby_o give_v it_o a_o new_a modification_n i_o shall_v not_o now_o stay_v to_o inquire_v we_o take_v then_o good_a salt_n of_o tartar_n and_o put_v to_o it_o several_a time_n its_o weight_n of_o the_o express_a juice_n of_o onion_n we_o keep_v they_o in_o a_o light_a digestion_n for_o a_o day_n or_o two_o and_o then_o unstop_v the_o vial_n we_o find_v the_o former_a smell_n of_o the_o onion_n quite_o degenerate_v into_o a_o rank_a smell_n of_o garlic_n as_o be_v judge_v even_o when_o fresh_a juice_n of_o garlic_n be_v procure_v to_o compare_v they_o to_o vary_v this_o experiment_n we_o make_v with_o fix_a salt_n and_o some_o other_o strong_o scent_v juice_n trial_n who_o event_n it_o will_v perhaps_o be_v tedious_a here_o to_o relate_v exper._n x._o with_o a_o inodorous_a body_n and_o another_o not_o well-sented_n to_o produce_v a_o musky_a smell_n this_o we_o have_v sometime_o do_v by_o cast_v into_o spirit_n not_o oil_n of_o vitriol_n a_o large_a proportion_n of_o small_a pearl_n unbroken_a for_o the_o action_n of_o the_o acid_n menstruum_fw-la upon_o these_o be_v moderate_v partly_o by_o the_o weakness_n of_o the_o menstruum_fw-la and_o partly_o by_o the_o entireness_n of_o the_o pearl_n the_o dissolution_n will_v sometime_o last_v many_o hour_n hold_v from_o time_n to_o time_n my_o nose_n to_o the_o open_a orifice_n of_o the_o glass_n it_o be_v easy_a to_o perceive_v a_o pleasant_a musky_a smell_n which_o also_o other_o to_o who_o i_o mention_v it_o take_v notice_n of_o as_o well_o as_o i._o and_o if_o i_o misremember_v not_o i_o take_v notice_n of_o the_o like_a smell_n upon_o pearl_n not_o only_o dissolve_v in_o spirit_n of_o vinegar_n but_o in_o another_o liquor_n that_o have_v but_o a_o bad_a send_v of_o its_o own_o the_o forego_v experiment_n call_v to_o my_o mind_n that_o which_o follow_v exper._n xi_o with_o fix_a metal_n and_o body_n either_o inodorous_a or_o stink_a to_o produce_v strong_a and_o pleasant_a smell_n like_o those_o of_o some_o vegetable_n and_o mineral_n that_o gold_n be_v too_o fix_v a_o body_n to_o emit_v any_o odour_n and_o that_o aqua_fw-la regis_fw-la have_v a_o odour_n that_o be_v very_o strong_a and_o offensive_a i_o think_v will_v be_v easy_o grant_v but_o yet_o aurum_fw-la fulminans_fw-la be_v make_v as_o it_o be_v know_v by_o precipitate_v with_o the_o inodorous_a oil_n of_o tartar_n the_o solution_n make_v of_o the_o former_a in_o the_o latter_a and_o this_o precipitate_v be_v to_o be_v far_o proceed_v with_o in_o order_n to_o another_o experiment_n we_o fulminate_v it_o per_fw-mi se_fw-mi in_o a_o silver_n vessel_n like_o that_o but_o better_o contrive_v that_o be_v if_o i_o misremember_v not_o somewhere_o describe_v by_o glauberus_fw-la and_o among_o other_o phaenomena_n of_o this_o operation_n that_o belong_v not_o to_o this_o place_n we_o observe_v with_o pleasure_n that_o when_o the_o fulmination_n be_v recent_o make_v the_o steam_n which_o be_v afford_v by_o the_o metal_n that_o have_v be_v fire_v be_v endow_v with_o a_o delightful_a smell_n not_o unlike_a that_o of_o musk_n from_o which_o experiment_n and_o the_o forego_n we_o may_v learn_v that_o art_n by_o lucky_a contexture_n may_v imitate_v the_o odour_n that_o be_v presume_v to_o be_v natural_a and_o specific_a and_o that_o mineral_n and_o vegetable_a substance_n may_v compound_v a_o smell_n that_o be_v think_v to_o be_v peculiar_a to_o animal_n and_o as_o art_n sometime_o imitate_v nature_n in_o the_o production_n of_o odour_n as_o may_v be_v confirm_v by_o what_o be_v above_o relate_v concern_v counterfeit_a rasberry-wine_n wherein_o those_o that_o drink_v it_o believe_v they_o do_v not_o only_o taste_v xii_o but_o smell_v the_o rasberry_n so_o sometime_o nature_n seem_v to_o imitate_v herself_o in_o give_v like_o odour_n to_o body_n extreme_o differ_v for_o not_o yet_o to_o dismiss_v the_o smell_n of_o musk_n there_o be_v a_o certain_a seed_n which_o for_o the_o affinity_n of_o its_o odour_n to_o that_o perfume_n they_o call_v the_o musk-seed_n and_o indeed_o have_v some_o of_o it_o
present_v i_o by_o a_o gentleman_n that_o have_v new_o bring_v it_o from_o the_o west-indies_n i_o find_v it_o whilst_o it_o be_v fresh_a to_o have_v a_o fragrancy_n suitable_a to_o the_o name_n that_o be_v give_v it_o there_o be_v also_o a_o sort_n of_o rat_n in_o muscovy_n who_o skin_n whereof_o i_o have_v see_v several_a have_v a_o smell_n that_o have_v procure_v they_o the_o name_n of_o musk-rat_n to_o which_o i_o know_v not_o whether_o we_o may_v not_o add_v the_o mention_n of_o a_o certain_a sort_n of_o duck_n which_o some_o call_v musk-duck_n because_o at_o a_o certain_a season_n of_o the_o year_n if_o they_o be_v chafe_v by_o violent_a motion_n they_o will_v under_o the_o wing_n emit_v a_o musky_a in_o stead_n of_o a_o sweaty_a send_v which_o upon_o trial_n i_o perceive_v to_o be_v true_a on_o the_o other_o side_n i_o have_v know_v a_o certain_a wood_n grow_v in_o the_o indies_n which_o especial_o when_o the_o scent_n be_v excite_v by_o rub_v stink_v so_o rank_o and_o so_o 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know_v in_o the_o world_n have_v but_o a_o very_a faint_a and_o scarce_o a_o pleasant_a send_v and_o i_o remember_v that_o i_o have_v see_v some_o hundred_o of_o ounce_n together_o new_o bring_v from_o the_o east-indies_n but_o if_o i_o have_v not_o be_v before_o acquaint_v with_o the_o smell_n of_o ambergris_n alone_o and_o have_v have_v only_o the_o vulgar_a conceit_n of_o it_o that_o it_o be_v the_o best_a and_o strong_a of_o perfume_n my_o nostril_n will_v scarce_o have_v make_v i_o suspect_v those_o lump_n to_o have_v be_v any_o thing_n akin_a to_o ambergris_n but_o if_o a_o due_a proportion_n of_o musk_n or_o even_o civet_n be_v dexterous_o mix_v with_o amber_n the_o latent_fw-la fragrancy_n though_o it_o be_v thereby_o somewhat_o compound_v will_v quick_o be_v call_v forth_o and_o exceed_o heighten_v and_o indeed_o it_o be_v not_o
as_o it_o be_v common_o presume_v the_o plenty_n of_o the_o rich_a ingredient_n as_o ambergris_n and_o musk_n but_o the_o just_a proportion_n and_o skilful_a mixture_n of_o they_o that_o make_v the_o noble_a and_o most_o last_a perfume_n of_o which_o i_o have_v have_v sufficient_a experience_n so_o that_o with_o a_o far_o less_o quantity_n of_o musk_n and_o amber_n than_o not_o only_o ordinary_a person_n but_o perfumer_n themselves_o be_v wont_a to_o employ_v we_o have_v have_v several_a perfume_n that_o for_o fragrancy_n be_v much_o prefer_v to_o those_o where_o musk_n and_o ambergris_n be_v so_o plentiful_o employ_v the_o proportion_n and_o way_n of_o mixture_n we_o best_o approve_v of_o will_v be_v too_o long_o and_o be_v not_o necessary_a to_o be_v here_o set_v down_o but_o you_o will_v not_o much_o err_v in_o make_v use_n of_o such_o a_o proportion_n as_o this_o viz._n eight_o part_n of_o ambergris_n two_o of_o musk_n and_o one_o of_o civet_n which_o quantity_n of_o ingredient_n 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the_o predominancy_n of_o some_o one_o of_o their_o three_o hypostatical_a principle_n i_o suppose_v it_o may_v both_o keep_v my_o opinion_n from_o appear_v too_o presumptuous_a and_o which_o be_v far_o more_o considerable_a may_v make_v way_n for_o the_o fair_a reception_n of_o the_o mechanical_a hypothesis_n about_o quality_n if_o i_o here_o intimate_v though_o but_o brief_o and_o in_o general_n some_o of_o those_o defect_n that_o i_o have_v observe_v in_o chemist_n explication_n of_o quality_n and_o i_o may_v begin_v with_o take_v notice_n of_o the_o obscurity_n of_o those_o principle_n which_o be_v no_o small_a defect_n in_o notion_n who_o proper_a office_n it_o shall_v be_v to_o conduce_v to_o the_o illustration_n of_o other_o for_o how_o can_v that_o facilitate_v the_o understanding_n of_o a_o obscure_a quality_n or_o phaenomenon_n which_o be_v itself_o scarce_o intelligible_a or_o at_o least_o needs_o almost_o as_o much_o explanation_n as_o the_o thing_n it_o be_v design_v &_o 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three_o either_o gold_n or_o 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 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quality_n be_v not_o to_o be_v derive_v true_o from_o this_o or_o that_o particular_a principle_n as_o salt_n for_o instance_n and_o mercury_n therefore_o it_o must_v needs_o be_v derivable_a from_o the_o three_o as_o sulphur_n this_o way_n of_o argue_v involve_v a_o far_a supposition_n than_o that_o new_o examine_v for_o it_o imply_v that_o every_o quality_n in_o a_o compound_a body_n must_v arise_v from_o some_o one_o of_o the_o tria_fw-la prima_fw-la whereas_o experience_n assure_v we_o that_o body_n may_v by_o composition_n obtain_v quality_n that_o be_v not_o to_o be_v find_v in_o any_o of_o the_o separate_a ingredient_n as_o we_o see_v in_o paint_v that_o though_o blue_a and_o yellow_a be_v neither_o of_o they_o green_a yet_o their_o mixture_n will_v be_v so_o and_o though_o no_o single_a sound_n will_v make_v a_o octave_n or_o diapason_n yet_o two_o sound_n who_o proportion_n be_v double_a will_v have_v a_o eight_o and_o tinn_n and_o copper_n melt_v and_o mingle_v together_o in_o a_o due_a proportion_n will_v make_v a_o bell-metal_n far_o more_o sonorous_a than_o either_o of_o they_o be_v before_o it_o be_v obvious_a enough_o for_o chemist_n themselves_o to_o observe_v that_o though_o lead_v be_v a_o insipid_a body_n and_o spirit_n of_o vinegar_n a_o very_a sharp_a one_o yet_o saccharum_n saturni_n that_o be_v compound_v out_o of_o these_o two_o have_v a_o sweetness_n that_o make_v it_o not_o ill_o deserve_v its_o name_n but_o this_o ill-grounded_a supposition_n of_o the_o chemist_n be_v extend_v far_o in_o a_o usual_a topic_n of_o they_o according_a to_o which_o they_o conclude_v that_o i_o know_v not_o how_o many_o quality_n as_o well_o manifest_a as_o occult_a must_v be_v explicate_v by_o their_o tria_fw-la prima_fw-la because_o they_o be_v not_o explicable_a by_o the_o four_o element_n of_o the_o peripatetic_n to_o make_v which_o argumentation_n valid_a it_o must_v be_v prove_v which_o i_o fear_v it_o will_v never_o be_v that_o there_o be_v no_o other_o way_n by_o which_o those_o 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 ensue_a note_n and_o therefore_o i_o shall_v only_o to_o declare_v my_o meaning_n the_o better_a invite_v you_o to_o observe_v with_o i_o that_o though_o gold_n be_v the_o body_n they_o affect_v to_o be_v most_o conversant_a with_o yet_o it_o will_v be_v very_o hard_a to_o show_v how_o the_o specific_a weight_n of_o gold_n can_v be_v deduce_v from_o any_o or_o all_o of_o the_o three_o principle_n since_o mercury_n itself_o that_o be_v of_o body_n know_v to_o we_o the_o heavy_a next_z to_o gold_n be_v so_o much_o light_a than_o gold_n that_o whereas_o i_o have_v usual_o find_v mercury_n to_o be_v to_o a_o equal_a weight_n of_o water_n somewhat_o though_o little_a less_o than_o fourteen_o to_o one_o i_o find_v pure_a gold_n to_o be_v about_o nineteen_o time_n as_o heavy_a as_o so_o much_o water_n which_o will_v make_v it_o very_o difficult_a not_o to_o say_v impossible_a for_o they_o to_o explain_v how_o gold_n shall_v bare_o by_o participate_v of_o mercury_n which_o be_v a_o body_n much_o light_a than_o itself_o obtain_v that_o great_a specific_a gravity_n we_o find_v it_o to_o have_v for_o the_o two_o other_o hypostatical_a principle_n we_o know_v be_v far_o light_a than_o mercury_n and_o i_o think_v it_o will_v much_o puzzle_v the_o chemist_n to_o give_v we_o any_o example_n of_o a_o compound_a body_n that_o be_v specifical_o heavy_a than_o the_o heavy_a of_o the_o ingredient_n that_o it_o be_v make_v up_o of_o and_o this_o be_v the_o first_o kind_n of_o insufficiency_n i_o be_v take_v notice_n of_o in_o the_o chemical_a doctrine_n of_o quality_n the_o other_o be_v that_o there_o be_v several_a body_n which_o the_o most_o learned_a among_o themselves_o confess_v not_o to_o consist_v of_o their_o tria_fw-la prima_fw-la and_o yet_o be_v endow_v with_o quality_n which_o consequent_o be_v not_o in_o those_o subject_n to_o be_v explicate_v by_o the_o tria_fw-la prima_fw-la which_o be_v
reason_n why_o it_o be_v so_o though_o i_o can_v say_v much_o by_o way_n of_o answer_n i_o shall_v now_o only_o observe_v that_o this_o argument_n be_v ground_v but_o upon_o a_o supposition_n and_o will_v be_v of_o no_o force_n if_o from_o the_o primary_n affection_n of_o body_n one_o may_v deduce_v any_o good_a mechanical_a explication_n of_o fusibility_n in_o the_o general_n without_o necessary_o suppose_v such_o a_o primigeneal_a sulphur_n as_o the_o chemist_n fancy_n or_o derive_v it_o from_o thence_o in_o other_o body_n and_o indeed_o since_o not_o only_a saltpetre_n sea_n salt_n vitriol_n and_o alum_n but_o salt_n of_o tartar_n and_o the_o volatile_a salt_n of_o urine_n be_v all_o of_o they_o fusible_a i_o do_v not_o well_o see_v how_o chemist_n can_v derive_v the_o fusibleness_n even_o of_o salt_n obtain_v by_o their_o own_o analysis_n such_o as_o salt_n of_o tartar_n and_o of_o urine_n from_o the_o participation_n of_o the_o sulphureous_a ingredient_n especial_o since_o if_o such_o a_o attempt_n shall_v be_v make_v it_o will_v overthrow_v the_o hypothesis_n of_o three_o simple_a body_n whereof_o they_o will_v have_v all_o mix_a one_o to_o be_v compound_v and_o still_o it_o will_v remain_v to_o be_v explicate_v upon_o what_o account_n the_o principle_n that_o be_v say_v to_o endow_v the_o other_o with_o such_o a_o quality_n come_v to_o be_v endow_v therewith_o itself_o for_o it_o be_v plain_a that_o a_o mass_n of_o sulphur_n be_v not_o a_o atomical_a or_o adamantine_a body_n but_o consist_v of_o a_o multitude_n of_o corpuscle_n of_o determinate_a figure_n and_o connect_v after_o a_o determinate_a manner_n so_o that_o it_o may_v be_v reasonable_o demand_v why_o such_o a_o convention_n of_o particle_n rather_o than_o many_o another_o that_o do_v not_o constitute_v a_o fusible_a body_n chap._n vi_o and_o this_o lead_v i_o to_o a_o further_a consideration_n which_o make_v i_o look_v upon_o the_o chemist_n explication_n as_o not_o deep_a and_o radical_a enough_o and_o it_o be_v this_o that_o when_o they_o tell_v we_o for_o instance_n that_o the_o fusibleness_n of_o body_n proceed_v from_o sulphur_n in_o case_n they_o say_v true_a they_o do_v but_o tell_v we_o what_o material_a ingredient_n it_o be_v that_o being_n mingle_v with_o and_o disperse_v through_o the_o other_o part_n of_o a_o body_n make_v it_o apt_a to_o melt_v but_o this_o do_v not_o intelligible_o declare_v what_o it_o be_v that_o make_v a_o portion_n of_o matter_n fusible_a and_o how_o the_o sulphureous_a ingredient_n introduce_v that_o disposition_n into_o the_o rest_n of_o the_o mass_n wherewith_o it_o be_v commix_v or_o unite_v and_o yet_o it_o be_v such_o explication_n as_o these_o that_o a_o inquisitive_a naturalist_n chief_o look_v after_o and_o which_o i_o therefore_o call_v philosophical_a and_o to_o show_v that_o there_o may_v be_v more_o fontal_n explication_n i_o shall_v only_o observe_v that_o not_o to_o wander_v from_o our_o present_a instance_n sulphur_n itself_o be_v fusible_a and_o therefore_o as_o i_o late_o intimate_v fusibility_n which_o be_v not_o the_o quality_n of_o one_o atom_n or_o particle_n but_o of_o a_o aggregate_v of_o particle_n ought_v itself_o to_o be_v account_v for_o in_o that_o principle_n before_o the_o fusibleness_n of_o all_o other_o body_n be_v derive_v from_o it_o and_o it_o will_v in_o the_o follow_a note_n appear_v that_o in_o sulphur_n itself_o that_o quality_n may_v be_v probable_o deduce_v from_o the_o convention_n of_o corpuscle_n of_o determinate_a shape_n and_o size_n contex_v or_o connect_v after_o a_o convenient_a manner_n and_o if_o either_o nature_n or_o art_n or_o chance_n shall_v bring_v together_o particle_n endow_v with_o the_o like_a mechanical_a affection_n and_o associate_v they_o after_o the_o like_a manner_n the_o result_a body_n will_v be_v fusible_a though_o the_o component_a particle_n have_v never_o be_v part_n of_o the_o chemist_n primordial_a sulphur_n and_o such_o particle_n so_o convening_n may_v perhaps_o have_v make_v sulphur_n itself_o though_o before_o there_o have_v be_v no_o such_o body_n in_o the_o world_n and_o what_o i_o say_v to_o those_o chemist_n that_o make_v the_o sulphureous_a ingredient_n the_o cause_n of_o fusibility_n may_v easy_o mutatis_fw-la mutandis_fw-la be_v apply_v to_o their_o hypothesis_n that_o rather_o ascribe_v that_o quality_n to_o the_o mercurial_a or_o the_o saline_n principle_n and_o consequent_o can_v give_v a_o rational_a account_n of_o the_o fusibility_n of_o sulphur_n and_o therefore_o though_o i_o ready_o allow_v as_o i_o shall_v have_v afterward_o occasion_n to_o declare_v that_o sulphur_n or_o a_o other_o of_o the_o tria_fw-la prima_fw-la may_v be_v meet_v with_o and_o even_o abound_v in_o several_a body_n endow_v with_o the_o quality_n that_o be_v attribute_v to_o their_o participation_n of_o that_o principle_n yet_o that_o this_o may_v be_v no_o certain_a sign_n that_o the_o propose_a quality_n must_v flow_v from_o that_o ingredient_n you_o may_v perhaps_o be_v assist_v to_o discern_v by_o this_o illustration_n that_o if_o tin_n be_v due_o mix_v with_o copper_n or_o gold_n or_o as_o i_o have_v try_v with_o silver_n or_o iron_n it_o will_v make_v they_o very_o brittle_a and_o it_o be_v also_o a_o ingredient_n of_o divers_a other_o body_n that_o be_v likewise_o brittle_a as_o blue_a green_a white_z and_o otherwise_o colour_v amel_n which_o be_v usual_o make_v of_o calcine_v tin_n which_o the_o tradesman_n call_v puttee_n colliquate_v with_o the_o ingredient_n of_o crystal-glass_n and_o some_o small_a portion_n of_o mineral_n pigment_n but_o though_o in_o all_o the_o abovenamed_a brittle_a body_n tin_n be_v a_o considerable_a ingredient_n yet_o it_o be_v very_o unadvised_a to_o affirm_v that_o brittleness_n in_o general_n proceed_v from_o tin_n for_o provide_v the_o solid_a part_n of_o consistent_a body_n touch_v one_o another_o but_o according_a to_o small_a portion_n of_o their_o surface_n and_o be_v not_o implicate_v by_o their_o contexture_n the_o metalline_a or_o other_o composition_n may_v be_v brittle_a though_o there_o be_v no_o tin_n at_o all_o in_o it_o and_o in_o effect_n the_o material_n of_o glass_n be_v bring_v to_o fusion_n will_v compose_v a_o brittle_a body_n as_o well_o when_o there_o be_v no_o puttee_n colliquate_v with_o they_o as_o when_o there_o be_v calcine_v lead_v by_o the_o action_n of_o the_o fire_n may_v be_v melt_v into_o a_o brittle_a mass_n and_o even_o into_o transparent_a glass_n without_o the_o help_n of_o tin_n or_o any_o other_o additament_n and_o i_o need_v not_o add_v that_o there_o be_v a_o multitude_n of_o other_o body_n that_o can_v be_v pretend_v to_o owe_v their_o brittleness_n to_o any_o participation_n of_o tin_n of_o which_o they_o have_v no_o need_n if_o the_o matter_n they_o consist_v of_o want_n not_o the_o requisite_a mechanical_a disposition_n and_o here_o i_o shall_v venture_v to_o add_v that_o the_o way_n employ_v by_o the_o chemist_n as_o well_o as_o the_o peripatetic_n of_o account_v for_o thing_n by_o the_o ingredient_n whether_o element_n principle_n or_o other_o body_n that_o they_o suppose_v they_o to_o consist_v of_o will_v often_o frustrate_v the_o naturalist_n expectation_n of_o event_n which_o may_v frequent_o prove_v differ_v from_o what_o he_o promise_v himself_o upon_o the_o consideration_n of_o the_o quality_n of_o each_o ingredient_n for_o the_o ensue_a note_n contain_v divers_a instance_n wherein_o there_o emerge_n a_o new_a quality_n differ_v from_o or_o even_o contrary_a to_o any_o that_o be_v conspicuous_a in_o the_o ingredient_n as_o two_o transparent_a body_n may_v make_v a_o opacous_a mixture_n a_o yellow_a body_n and_o a_o blue_a one_o that_o be_v green_a two_o malleable_a body_n a_o brittle_a one_o two_o actual_o cold_a body_n a_o hot_a one_o two_o fluid_a body_n a_o consistent_a one_o etc._n etc._n and_o as_o this_o way_n of_o judge_v by_o material_a principle_n hinder_v the_o foreknowledge_n of_o event_n from_o be_v certain_a so_o it_o much_o more_o hinder_v the_o assignation_n of_o cause_n from_o be_v satisfactory_a so_o that_o perhaps_o some_o will_v not_o think_v it_o very_o rash_a to_o say_v that_o those_o who_o judge_v of_o all_o mix_a body_n as_o apothecary_n do_v of_o medicine_n bare_o by_o the_o quality_n and_o proportion_n of_o the_o ingredient_n such_o as_o among_o the_o aristotelian_o be_v the_o four_o element_n and_o among_o the_o chemist_n the_o tria_fw-la prima_fw-la do_v as_o if_o one_o shall_v pretend_v to_o give_v a_o account_n of_o the_o phaenomena_n and_o operation_n of_o clock_n and_o watch_n and_o their_o diversity_n by_o this_o that_o some_o be_v make_v of_o brass_n wheel_n some_o of_o iron_n some_o have_v plain_a ungilt_a wheel_n other_o of_o wheel_n overlay_v with_o gold_n some_o furnish_v with_o gut-string_n other_o with_o little_a chain_n etc._n etc._n and_o that_o therefore_o the_o quality_n and_o predominancy_n of_o these_o 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if_o this_o be_v certain_a it_o will_v not_o be_v a_o slender_a proof_n that_o fixity_n may_v be_v mechanical_o produce_v and_o however_o the_o argument_n will_v be_v good_a in_o reference_n to_o the_o helmontian_n spagyrist_n for_o if_o as_o one_o will_v expect_v there_o do_v remain_v some_o particle_n of_o the_o menstruum_fw-la with_o those_o of_o the_o metal_n it_o will_v not_o be_v deny_v that_o two_o volatile_a substance_n may_v perfect_o fix_v one_o another_o and_o if_o as_o helmont_n seem_v to_o think_v the_o menstruum_fw-la be_v total_o abstract_v this_o supposition_n will_v the_o more_o favour_n our_o doctrine_n about_o fixity_n since_o if_o there_o be_v no_o material_a additament_n leave_v with_o the_o quicksilver_n the_o fixation_n can_v so_o reasonable_o be_v ascribe_v to_o any_o thing_n as_o to_o some_o new_a mechanical_a modification_n and_o particular_o to_o some_o change_n of_o texture_n introduce_v into_o the_o mercury_n itself_o and_o that_o you_o may_v think_v this_o 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have_v its_o salivate_a and_o emetic_n power_n extraordinary_o infringe_v and_o sometime_o quite_o suppress_v but_o this_o only_a upon_o the_o bye_n in_o all_o the_o other_o instance_n wherewith_o i_o shall_v conclude_v these_o note_n i_o shall_v employ_v one_o menstruum_fw-la oil_n of_o vitriol_n and_o show_v you_o the_o efficacy_n of_o it_o in_o fix_v some_o part_n of_o volatile_a body_n with_o some_o part_n of_o itself_o by_o which_o example_n it_o may_v appear_v that_o a_o volatile_a body_n may_v not_o only_o lessen_v the_o volatility_n of_o another_o body_n as_o in_o the_o late_o mention_v case_n of_o our_o spirituous_a sal_fw-la ammoniac_a but_o that_o two_o substance_n that_o apart_o be_v volatile_a may_v compose_v a_o three_o that_o will_v not_o only_o be_v less_o volatile_a but_o considerable_o if_o not_o altogether_o fix_v we_o mix_v then_o by_o degree_n about_o equal_a part_n of_o oil_n of_o vitriol_n and_o oil_n of_o turpentine_n and_o though_o each_o of_o they_o single_a 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bring_v they_o to_o touch_v one_o another_o according_a to_o large_a portion_n of_o their_o surface_n or_o by_o both_o these_o way_n conjoint_o or_o by_o some_o other_o to_o procure_v the_o firm_a cohaesion_n of_o so_o many_o particle_n that_o the_o result_a corpuscle_n be_v too_o big_a or_o heavy_a to_o be_v by_o the_o degree_n of_o fire_n wherein_o they_o be_v say_v to_o be_v fix_v drive_v up_o into_o the_o air._n finis_fw-la experiment_n and_o note_n about_o the_o mechanical_a origine_fw-la or_o production_n of_o corrosiveness_n and_o corrosibility_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 experiment_n and_o note_n about_o the_o mechanical_a production_n of_o corrosiveness_n and_o corrosibility_n sect_n i._o about_o the_o mechanical_a origine_fw-la of_o corrosiveness_n i_o do_v not_o in_o the_o follow_a note_n treat_v of_o corrosiveness_n in_o their_o 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of_o the_o like_a nature_n as_o for_o what_o be_v common_o say_v that_o oil_n dissolve_v sulphur_n and_o saline_n menstruum_n metal_n because_o as_o they_o speak_v simile_n simili_fw-la gaudet_fw-la i_o answer_v that_o where_o there_o be_v any_o such_o similitude_n it_o may_v be_v very_o probable_o ascribe_v not_o so_o much_o with_o the_o chemist_n that_o favour_n aristotle_n to_o the_o essential_a form_n of_o the_o body_n that_o be_v to_o work_v on_o each_o other_o nor_o with_o the_o mere_a chemist_n to_o their_o salt_n or_o sulphur_n or_o mercury_n as_o such_o but_o to_o the_o congruity_n between_o the_o pore_n and_o figure_n of_o the_o menstruum_fw-la and_o the_o body_n dissolve_v by_o it_o and_o to_o some_o other_o mechanical_a affection_n of_o they_o exper._n fourteen_o for_o silver_n for_o example_n not_o only_o will_v be_v dissolve_v by_o nitre_n which_o they_o reckon_v a_o salt_n but_o be_v amalgame_v with_o and_o consequent_o dissolve_v by_o quicksilver_n and_o also_o by_o the_o operation_n of_o brimstone_n be_v easy_o incorporate_v with_o that_o mineral_n which_o chemist_n be_v wont_a to_o account_v of_o so_o oleaginous_a a_o nature_n and_o insoluble_a in_o aqua_fw-la fortis_fw-la exper._n xv._n and_o as_o for_o those_o dissolution_n that_o be_v make_v with_o oily_a and_o inflammable_a menstruum_n of_o common_a sulphur_n and_o other_o inflammable_a body_n the_o dissolution_n do_v not_o make_v for_o they_o so_o clear_o as_o they_o imagine_v for_o if_o such_o menstruum_n operate_v as_o be_v allege_v upon_o the_o account_n of_o their_o be_v as_o well_o as_o the_o body_n they_o work_v upon_o of_o a_o sulphureous_a nature_n whence_o be_v it_o that_o high_o rectify_a spirit_n of_o wine_n which_o according_a to_o they_o must_v be_v of_o a_o most_o sulphureous_a nature_n since_o be_v set_v on_o fire_n it_o will_v flame_v all_o away_o without_o leave_v one_o drop_n behind_o it_o will_v not_o unless_o perhaps_o after_o a_o tedious_a while_n dissolve_v even_o 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a_o very_a sulphureous_a nature_n yet_o we_o find_v not_o that_o it_o be_v in_o chemical_a oil_n but_o in_o water_n ready_o dissolve_v and_o whereas_o chemist_n tell_v we_o that_o the_o solution_n of_o alcaly_n such_o as_o salt_n of_o tartar_n or_o of_o pot-ash_n in_o common_a oil_n proceed_v from_o the_o great_a cognation_n between_o they_o i_o demand_v whence_o it_o happen_v that_o salt_n of_o tartar_n will_v by_o boil_a be_v dissolve_v in_o the_o express_a oil_n of_o almond_n or_o of_o olive_n and_o be_v reduce_v with_o it_o to_o a_o soapy_a body_n and_o that_o yet_o with_o the_o essential_a oil_n of_o juniper_n or_o aniseed_n etc._n etc._n where_o what_o they_o call_v the_o sulphur_n be_v make_v pure_a and_o penetrant_fw-la be_v free_v from_o the_o earthy_a aqueous_a and_o feculent_a part_n which_o distillation_n discover_v to_o be_v in_o the_o express_a oil_n you_o may_v boil_v salt_n of_o tartar_n twenty_o time_n as_o long_o without_o make_v any_o soap_n of_o they_o or_o perhaps_o any_o sensible_a solution_n of_o the_o alkaly_n and_o chemist_n know_v how_o difficult_a it_o be_v and_o how_o unsuccessful_o it_o be_v wont_a to_o be_v attempt_v to_o dissolve_v pure_a salt_n of_o tartar_n in_o pure_a spirit_n of_o wine_n by_o digest_v the_o not_o peculiar_o prepare_v salt_n in_o the_o cognate_n menstruum_fw-la i_o will_v not_o urge_v that_o though_o the_o most_o conspicuous_a mark_n of_o sulphur_n be_v inflammability_n and_o be_v in_o a_o eminent_a degree_n to_o be_v find_v in_o oil_n as_o well_o as_o sulphur_n yet_o a_o alkaly_a and_o water_n which_o be_v neither_o single_o nor_o unite_a inflammable_a will_v dissolve_v common_a sulphur_n exper._n xvii_o but_o to_o make_v it_o probable_a against_o the_o chemist_n for_o i_o propose_v it_o but_o as_o a_o argument_n ad_fw-la hominem_fw-la that_o the_o solution_n of_o sulphur_n in_o express_a oil_n depend_v upon_o somewhat_o else_o beside_o the_o abundance_n of_o the_o second_o principle_n in_o both_o the_o body_n i_o will_v add_v to_o what_o i_o say_v before_o a_o affirmation_n of_o divers_a chemical_a writer_n themselves_o who_o reckon_v aqua_fw-la regis_fw-la which_o be_v plain_o a_o saline_n menstruum_fw-la and_o dissolve_v copper_n iron_n coral_n etc._n etc._n like_o acid_n liquor_n among_o the_o solvent_n of_o sulphur_n and_o by_o that_o power_n among_o other_o thing_n distinguish_v it_o from_o aqua_fw-la fortis_fw-la and_o on_o the_o other_o side_n if_o there_o be_v a_o congruity_n betwixt_o a_o express_a oil_n and_o another_o body_n though_o it_o be_v such_o as_o by_o its_o easy_a dissolubleness_n in_o acid_n salt_n chemist_n shall_v pronounce_v to_o be_v of_o a_o saline_a nature_n a_o express_a oil_n will_v ready_o enough_o work_v upon_o it_o as_o i_o have_v try_v by_o digest_v even_o crude_a copper_n in_o file_n with_o oil_n of_o sweet_a almond_n which_o take_v up_o so_o much_o of_o the_o metal_n as_o to_o be_v deep_o colour_v thereby_o as_o if_o it_o have_v be_v a_o corrosive_a liquor_n nay_o i_o shall_v add_v that_o even_o with_o milk_n as_o mild_a a_o liquor_n as_o it_o be_v i_o have_v find_v by_o trial_n that_o without_o the_o help_n of_o fire_n a_o kind_n of_o dissolution_n may_v though_o not_o in_o few_o hour_n be_v make_v of_o crude_a copper_n as_o appear_v by_o the_o greenish_a blue_a colour_n the_o file_n acquire_v when_o they_o have_v be_v well_o drench_v in_o the_o liquor_n and_o leave_v for_o a_o certain_a time_n in_o the_o vessel_n where_o the_o air_n have_v very_o free_a access_n to_o they_o exper._n xviii_o beside_o the_o argument_n ad_fw-la hominem_fw-la new_o draw_v from_o aqua_fw-la regius_fw-la it_o may_v be_v proper_a enough_o to_o urge_v another_o of_o the_o same_o kind_n upon_o the_o generality_n of_o the_o helmontian_o and_o paracelsian_n who_o admit_v what_o the_o head_n of_o their_o sect_n deliver_v concern_v the_o operation_n of_o the_o alkahe_a for_o whereas_o it_o be_v affirm_v that_o this_o irresistible_a menstruum_fw-la will_n dissolve_v all_o tangible_a body_n here_o below_o so_o as_o they_o may_v be_v reduce_v into_o insipid_a water_n as_o on_o the_o one_o side_n it_o will_v be_v very_o hard_a to_o conceive_v how_o a_o specificated_a menstruum_fw-la that_o be_v determine_v to_o be_v either_o acid_n or_o lixiviate_v or_o urinous_a etc._n etc._n shall_v be_v able_a to_o dissolve_v so_o great_a a_o variety_n of_o body_n of_o differ_v and_o perhaps_o contrary_a nature_n in_o some_o whereof_o acid_v in_o other_o lixiviate_v salt_n and_o in_o other_o urinous_a be_v predominant_a so_o on_o the_o other_o side_n if_o the_o alkahe_a be_v not_o a_o specificated_a menstruum_fw-la it_o will_v very_o much_o disfavour_v the_o opinion_n of_o the_o chemist_n that_o will_v have_v some_o body_n dissoluble_a only_o by_o acid_n as_o such_o other_o by_o fix_a alkalys_n and_o other_o again_o by_o volatile_a salt_n since_o a_o menstruum_fw-la that_o be_v neither_o acid_n lixiviate_v nor_o urinous_a be_v able_a to_o dissolve_v body_n in_o some_o of_o which_o one_o and_o in_o other_o another_o of_o those_o principle_n be_v predominant_a so_o that_o if_o a_o liquor_n be_v convenient_o qualify_v it_o be_v not_o necessary_a that_o it_o shall_v be_v either_o acid_n to_o dissolve_v pearl_n or_o coral_n or_o alkalizate_a to_o dissolve_v sulphur_n but_o upon_o what_o mechanical_a account_n a_o analyze_a menstruum_fw-la may_v operate_v be_v not_o necessary_a to_o be_v here_o determine_v and_o i_o elsewhere_o offer_v some_o thought_n of_o i_o about_o it_o exper._n xix_o if_o we_o due_o reflect_v upon_o the_o know_a process_n that_o chemist_n be_v wont_a to_o employ_v in_o make_v mercurius_n dulcis_fw-la we_o shall_v find_v it_o very_o favourable_a to_o our_o hypothesis_n for_o though_o we_o have_v already_o show_v in_o the_o v._o experiment_n and_o it_o be_v general_o confess_v that_o common_a sublimate_n make_v of_o mercury_n be_v a_o high_o corrosive_a body_n yet_o
it_o will_v of_o itself_o continue_v in_o that_o state_n the_o two_o general_a way_n that_o the_o nature_n of_o the_o thing_n seem_v to_o suggest_v to_o he_o that_o consider_v it_o be_v either_o to_o add_v to_o the_o weight_n or_o bulk_n of_o the_o dissolve_a corpuscle_n and_o thereby_o render_v they_o unfit_a to_o accompany_v the_o particle_n of_o the_o menstruum_fw-la in_o their_o motion_n or_o to_o weaken_v the_o sustain_a power_n of_o the_o menstruum_fw-la and_o thereby_o disable_v it_o to_o keep_v the_o metalline_a particle_n swim_v any_o long_o which_o fall_v of_o the_o desert_a part_n of_o the_o metal_n or_o other_o body_n do_v oftentimes_o the_o more_o easy_o ensue_v because_o in_o many_o case_n when_o the_o sustain_a particle_n of_o the_o menstruum_fw-la come_v to_o be_v too_o much_o weaken_v that_o prove_v a_o occasion_n to_o the_o metalline_a corpuscle_n disturb_v in_o the_o former_a motion_n that_o keep_v they_o separate_v to_o make_v occursion_n and_o coalition_n among_o themselves_o and_o their_o fall_n become_v the_o effect_n though_o not_o equal_o so_o of_o both_o way_n of_o precipitation_n as_o on_o the_o other_o side_n there_o be_v several_a occasion_n on_o which_o the_o same_o precipitant_n that_o bring_v the_o swim_a particle_n of_o the_o metal_n to_o stick_v to_o one_o another_o do_v likewise_o by_o mortify_v or_o disable_n the_o saline_a spirit_n or_o other_o part_n of_o the_o solvent_a weaken_v the_o sustain_a power_n of_o that_o liquor_n chap._n iii_o to_o descend_v now_o to_o the_o distinct_a consideration_n about_o these_o two_o way_n the_o first_o of_o the_o most_o genera_fw-la cause_n of_o precipitation_n be_v such_o a_o cohaesion_n procure_v by_o the_o precipitant_n in_o the_o solution_n as_o make_v the_o compound_a corpuscle_n or_o at_o least_o the_o associate_v particle_n of_o the_o dissolve_a body_n too_o heavy_a to_o be_v sustain_v or_o too_o bulky_a to_o be_v keep_v in_o a_o state_n of_o fluidity_n by_o the_o liquor_n that_o in_o many_o precipitation_n there_o be_v make_v a_o coalition_n betwixt_o the_o small_a part_n of_o the_o precipitant_n and_o those_o of_o the_o dissolve_a metal_n or_o other_o body_n and_o frequent_o also_o with_o the_o saline_a spirit_n of_o the_o menstruum_fw-la may_v be_v easy_o show_v by_o the_o weight_n of_o the_o precipitate_v which_o though_o careful_o wash_v and_o dry_v often_o surpass_v and_o sometime_o very_o considerable_o that_o of_o your_o crude_a metal_n that_o be_v dissolve_v of_o which_o we_o late_o give_v a_o instance_n in_o aurum_fw-la fulminans_fw-la and_o precipitate_v silver_n &_o we_o may_v yet_o give_v a_o more_o conspicuous_a one_o in_o that_o which_o chemist_n call_v luna_n cornea_n for_o if_o have_v dissolve_v silver_n in_o good_a aqua_fw-la fortis_fw-la you_o precipitate_v it_o with_o the_o solution_n of_o sea-salt_n in_o fair_a water_n and_o from_o the_o very_a white_a precipitate_v wash_v the_o loose_a adhere_a salt_n the_o remain_a powder_n be_v dry_v and_o slow_o melt_v will_v look_v much_o less_o like_o a_o metalline_a body_n than_o like_o a_o piece_n of_o horn_n whence_o also_o it_o take_v its_o name_n so_o considerable_a be_v the_o additament_n of_o the_o saline_a to_o the_o metalline_a particle_n and_o that_o part_n of_o such_o additament_n be_v retain_v may_v not_o only_o be_v find_v by_o weigh_v but_o in_o divers_a case_n may_v be_v argue_v from_o what_o be_v obvious_a to_o the_o eye_n as_o if_o you_o dissolve_v mercury_n in_o aqua_fw-la fortis_fw-la and_o into_o the_o philtrated_a solution_n drop_v spirit_n of_o salt_n or_o salt-water_n or_o a_o urinous_a spirit_n as_o of_o sal_fw-la ammoniac_a you_o will_v have_v a_o very_a white_a precipitate_v but_o if_o instead_o of_o any_o of_o these_o you_o drop-in_a deliquated_a salt_n of_o tartar_n your_o precipitate_v will_n be_v of_o a_o brick_n or_o orange_n colour_n from_o which_o experiment_n and_o some_o other_o i_o will_v glad_o take_v a_o rise_n to_o persuade_v chemist_n and_o physician_n that_o it_o be_v not_o so_o indifferent_a as_o those_o seem_v to_o think_v who_o look_v on_o precipitation_n but_o as_o a_o kind_n of_o comminution_n by_o what_o mean_v the_o precipitation_n be_v perform_v for_o by_o reason_n of_o the_o strict_a adhesion_n of_o divers_a saline_a particle_n of_o the_o precipitant_n and_o the_o solvent_a the_o precipitate_v body_n notwithstanding_o all_o the_o wont_a ablution_n may_v have_v its_o quality_n much_o diversify_v by_o those_o of_o the_o particle_n of_o the_o liquor_n when_o these_o be_v fit_v to_o stick_v very_o fast_o to_o it_o which_o last_o word_n i_o add_v because_o though_o that_o sometime_o happen_v yet_o it_o do_v not_o always_o there_o be_v a_o geat_a difference_n than_o every_o body_n take_v notice_n of_o between_o 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 even_o in_o powder_n that_o be_v but_o gross_a fall_v at_o first_o to_o the_o bottom_n and_o lie_v there_o notwithstanding_o the_o air_n that_o may_v be_v intercept_v between_o its_o part_n or_o external_o adhere_v to_o it_o but_o when_o by_o the_o insinuate_a action_n of_o the_o water_n it_o be_v dissolve_v into_o minute_n particle_n these_o be_v carry_v up_o and_o down_o with_o those_o of_o the_o liquor_n and_o subside_o not_o the_o like_a happen_v when_o a_o piece_n of_o silver_n be_v cast_v into_o aqua_fw-la fortis_fw-la and_o in_o many_o other_o case_n on_o the_o other_o side_n i_o have_v several_a time_n observe_v that_o some_o body_n that_o have_v long_o swim_v in_o a_o menstruum_fw-la whilst_o their_o minute_n part_n be_v keep_v from_o convening_n in_o it_o do_v afterward_o by_o the_o coalition_n of_o many_o of_o those_o particle_n into_o body_n of_o a_o visible_a bulk_n coagulate_a and_o subside_o though_o sometime_o to_o hinder_v the_o evaporation_n of_o the_o menstruum_fw-la the_o vessel_n be_v keep_v stop_v of_o this_o i_o elsewhere_o mention_v divers_a example_n and_o particular_o in_o urinous_a and_o animal_n spirit_n well_o dephlegm_v i_o have_v find_v that_o after_o all_o have_v for_o a_o considerable_a time_n continue_v in_o the_o form_n of_o a_o perfect_a liquor_n and_o as_o to_o sense_n homogeneous_a store_n of_o solid_a corpuscle_n convening_n together_o settle_v at_o the_o bottom_n of_o the_o glass_n in_o the_o form_n of_o saline_a crystal_n have_v also_o long_o keep_v a_o very_a red_a solution_n of_o sulphur_n first_o unlock_v as_o they_o speak_v make_v with_o high_o rectify_a spirit_n of_o urine_n i_o observe_v that_o at_o length_n the_o sulphureous_a particle_n make_v little_a concretion_n between_o themselves_o total_o subside_v and_o leave_v the_o liquor_n almost_o devoid_a of_o tincture_n by_o which_o you_o may_v see_v that_o it_o be_v not_o impertinent_a to_o mention_v as_o i_o late_o do_v among_o the_o subordinate_a cause_n of_o precipitation_n the_o associate_a of_o the_o particle_n of_o a_o dissolve_a body_n with_o one_o another_o of_o which_o i_o elsewhere_o give_v a_o notable_a example_n in_o the_o shine_a powder_n that_o i_o obtain_v from_o gold_n dissolve_v in_o a_o peculiar_a menstruum_fw-la without_o any_o precipitant_n by_o the_o coalition_n of_o the_o metalline_a particle_n to_o which_o a_o tract_n of_o time_n give_v opportunity_n to_o meet_v and_o adhere_v in_o a_o convenient_a manner_n if_o in_o what_o the_o chemist_n call_v precipitate_v per_fw-la se_fw-la the_o mercury_n be_v indeed_o bring_v to_o lose_v its_o fluidity_n and_o become_v a_o powder_n without_o be_v compound_v with_o any_o additional_a body_n which_o doubt_n i_o elsewhere_o state_n and_o discourse_n of_o it_o will_v afford_v we_o a_o notable_a instance_n to_o prove_v that_o the_o coalition_n of_o particle_n into_o cluster_n of_o the_o self_n same_o matter_n will_v render_v they_o unfit_a for_o the_o motion_n requisite_a to_o fluidity_n for_o in_o this_o odd_a precipitation_n by_o fire_n wherein_o the_o same_o menstruum_fw-la be_v both_o the_o liquor_n and_o the_o precipitate_v be_v not_o all_o make_v at_o once_o the_o corpuscle_n that_o first_o disclose_v
the_o evaporation_n be_v not_o total_a yet_o the_o effect_n of_o it_o be_v not_o wont_a to_o be_v reckon_v among_o precipitation_n and_o although_o the_o way_n i_o be_o about_o to_o propose_v if_o it_o be_v attentive_o consider_v have_v much_o affinity_n with_o the_o forego_n and_o the_o phaenomena_n may_v perhaps_o in_o some_o sort_n be_v reduce_v to_o they_o yet_o the_o instance_n that_o i_o shall_v name_v have_v not_o i_o know_v be_v thought_n of_o by_o other_o and_o be_v such_o as_o every_o one_o will_v not_o deduce_v from_o what_o i_o have_v be_v mention_v i_o shall_v add_v a_o word_n of_o the_o inducement_n i_o have_v to_o make_v the_o trial_n as_o well_o as_o of_o the_o success_n of_o they_o consider_v then_o that_o water_n will_v not_o dissolve_v salt_n indefinite_o but_o when_o 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 lie_v undissolved_a at_o the_o bottom_n i_o put_v a_o quantity_n of_o this_o fiery_a lixivium_n into_o a_o slender_a cylindrical_a vessel_n till_o it_o have_v therein_o reach_v such_o a_o height_n as_o i_o think_v fit_a then_o take_v as_o much_o as_o i_o think_v sufficient_a of_o strong_a spirit_n of_o wine_n that_o will_v burn_v every_o drop_n away_o that_o so_o it_o may_v have_v no_o phlegm_n nor_o water_n of_o its_o own_o i_o pour_v this_o upon_o the_o saline_a solution_n and_o shake_v the_o liquor_n pretty_a well_o together_o to_o bring_v they_o to_o mix_v as_o well_o as_o i_o can_v i_o lay_v the_o tube_n in_o a_o quiet_a place_n and_o afterward_o find_v as_o i_o expect_v that_o there_o be_v a_o pretty_a quantity_n of_o white_a salt_n of_o tartar_n fall_v to_o the_o bottom_n of_o the_o vessel_n which_o salt_n have_v be_v mere_o forsake_v by_o the_o aqueous_a particle_n that_o sustain_v it_o before_o but_o forsake_v it_o to_o pass_v into_o the_o spirit_n of_o wine_n wherewith_o 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 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kind_n of_o english_a ochre_n which_o yet_o perhaps_o be_v no_o fit_a than_o other_o to_o a_o convenient_a shape_n though_o till_o it_o be_v alter_v by_o the_o fire_n it_o discover_v no_o magnetical_a quality_n yet_o after_o it_o have_v be_v keep_v red-hot_a in_o the_o fire_n and_o be_v suffer_v to_o cool_v in_o a_o convenient_a posture_n it_o be_v enable_v to_o exercise_v magnetical_a operation_n upon_o a_o poise_v needle_n exper._n xiii_o as_o for_o the_o abolition_n of_o the_o magnetical_a virtue_n in_o a_o body_n endow_v with_o it_o it_o may_v be_v make_v without_o destroy_v the_o substantial_a or_o the_o essential_a form_n of_o the_o body_n and_o without_o sensible_o add_v diminish_v or_o alter_v any_o thing_n in_o reference_n to_o the_o salt_n sulphur_n and_o mercury_n which_o chemist_n presume_v iron_n and_o steel_n as_o well_o as_o other_o mix_a body_n to_o be_v compose_v of_o for_o it_o have_v be_v sometime_o observe_v that_o the_o bare_a continuance_n of_o a_o loadstone_n 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insomuch_o that_o those_o body_n that_o be_v but_o faint_o draw_v when_o the_o weather_n be_v clear_a will_v not_o when_o it_o be_v thick_a and_o cloudy_a be_v at_o all_o move_v 6._o we_o have_v also_o observe_v that_o divers_a concretes_n that_o be_v notable_o electrical_a do_v abound_v in_o a_o effluviable_a matter_n if_o i_o may_v so_o call_v it_o which_o be_v capable_a of_o be_v manifest_o evaporate_v by_o heat_n and_o rub_v thus_o we_o see_v that_o most_o resinous_n gum_n that_o draw_v light_a body_n do_v also_o be_v moderate_o solicit_v by_o heat_n whether_o this_o be_v excite_v by_o the_o fire_n or_o by_o attrition_n or_o contusion_n emit_v steam_n and_o in_o piece_n of_o sulphur_n convenient_o shape_v i_o find_v upon_o due_a attrition_n a_o sulphureous_a stink_n and_o that_o piece_n of_o amber_n which_o i_o most_o employ_v be_v somewhat_o large_a and_o very_a well_o polish_a will_n be_v rub_v upon_o a_o piece_n of_o woollen_a cloth_n emit_v steam_n which_o the_o nostril_n 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