to_o please_v the_o learned_a i_o intend_v to_o show_v a_o great_a use_v thereof_o in_o medicine_n by_o the_o explication_n of_o disease_n and_o their_o symptom_n and_o the_o remidy_n we_o may_v obtain_v therefrom_o with_o the_o manner_n how_o they_o act_n errata_fw-la pag._n 7._o l._n 4._o read_v but_o they_o p._n 9_o l._n 10._o r._n hartshorn_n p._n 13._o l._n 8._o different_a ib._n l._n 9_o gulation_n p._n 14._o l._n 3._o a_o salt_n ib._n l._n 5._o disssolve_v it_o p._n 50._o l._n 13._o absorb_v p._n 56._o l._n 17._o itself_o p._n 59_o l._n 9_o leaf_n p._n 63._o l._n 20._o retine_fw-la p._n 64._o l._n 22._o retine_fw-la p._n 65._o l._n 16._o deal_n of_o p._n 68_o l._n 11_o retine_fw-la p._n 72._o l._n 2._o and._n ib._n l._n 20._o have_v p._n 79_o l._n 14._o or_o one_o p._n 99_o l._n 19_o with_o p._n 101._o l._n 21._o deal_n the._n p._n 105_o l._n 21._o deal_n the._n p._n 106_o l._n 10._o it_o p._n 115._o l._n 1._o become_v p._n 127._o l._n 15._o you_o have_v p._n 139._o l._n 16._o add_v one_o p._n 165._o l._n 3._o be_v as_o chemical_a disceptation_n or_o some_o discourse_n upon_o acid_n and_o alkali_n eubulus_n dear_o pyrophilus_n we_o shall_v at_o last_o arrive_v at_o the_o end_n of_o our_o error_n and_o draw_v from_o the_o fountain_n of_o nature_n itself_o those_o necessary_a light_n which_o can_v make_v we_o philosopher_n pyroph_n what_o say_v you_o eubulus_n eub._n i_o say_v nothing_o but_o what_o i_o can_v convince_v you_o of_o by_o evident_a reason_n and_o certain_a experiment_n pyr._n how_o have_v you_o discover_v the_o truth_n eub._n the_o read_n good_a author_n and_o the_o converse_n which_o i_o for_o some_o time_n have_v have_v with_o learned_a man_n have_v quite_o demolish_v all_o my_o prejudices_fw-la and_o make_v i_o examine_v thing_n with_o as_o much_o freedom_n and_o impartiality_n as_o i_o have_v before_o of_o antipathy_n i_o have_v constant_o observe_v that_o authority_n eveâ—_n to_o this_o present_a time_n have_v be_v a_o invincible_a enemy_n both_o to_o physic_n and_o medicine_n and_o the_o very_a rock_n upon_o which_o all_o the_o famous_a man_n of_o the_o past_a age_n have_v rely_v and_o be_v indeed_o at_o this_o day_n the_o cause_n of_o so_o many_o sect_n and_o different_a opinion_n which_o we_o see_v in_o the_o school_n whereas_o reason_n and_o experience_n be_v the_o only_a true_a key_n which_o can_v give_v admittance_n inâ—o_o either_o of_o these_o science_n for_o â—o_o be_v a_o philosopher_n it_o be_v absolute_o necessary_a to_o banish_v authority_n and_o to_o follow_v reason_n â—nd_v experience_n i_o be_o not_o â—ble_n sufficient_o to_o admire_v the_o prosperous_a success_n and_o exactâ—ess_n of_o the_o anatomist_n and_o chemist_n of_o our_o age_n the_o first_o â—aving_a discover_v to_o we_o in_o the_o body_n part_n humour_n and_o use_v â—nknown_a to_o the_o ancient_n and_o â—he_v last_o have_v withdraw_v we_o â—rom_o that_o erroneous_a darkness_n wherein_o the_o four_o element_n and_o â—heir_n first_o and_o occult_a quality_n have_v plunge_v we_o give_v we_o principle_n as_o clear_a as_o those_o be_v obscure_a pyr._n i_o have_v always_o tell_v you_o that_o anatomy_n and_o chemistry_n be_v great_a assistant_n to_o physic_n and_o medicine_n and_o that_o they_o enlighten_v we_o much_o where_o we_o attain_v it_o only_o by_o their_o experiment_n ebu._n i_o do_v not_o design_n to_o entertain_v you_o here_o with_o the_o new_a discovery_n of_o anatomist_n upon_o humane_a body_n i_o shall_v only_o speak_v of_o those_o which_o chemist_n have_v make_v we_o take_v notice_n of_o in_o the_o dissolution_n of_o mixt_n know_v that_o for_o this_o effect_n they_o acknowledge_v two_o sort_n of_o principle_n of_o which_o some_o they_o call_v active_a principle_n and_o other_o they_o style_v passive_a principle_n the_o active_a principle_n be_v the_o cause_n of_o all_o the_o action_n and_o all_o the_o different_a motion_n which_o be_v do_v in_o nature_n the_o passive_a principle_n on_o the_o contrary_a be_v not_o â—apable_a of_o any_o action_n but_o serve_v only_o as_o matrix_n to_o the_o active_a principle_n for_o they_o therein_o to_o make_v their_o production_n pyr._n we_o can_v desire_v a_o exacter_n distinction_n of_o principle_n but_o how_o many_o have_v you_o of_o either_o eub._n there_o be_v some_o controversy_n among_o chemist_n about_o the_o number_n of_o active_a principle_n some_o will_v have_v three_o which_o they_o call_v salt_n sulphur_n and_o mercury_n pretend_v that_o these_o be_v the_o last_o body_n they_o find_v in_o the_o resolution_n of_o mixt_n by_o mercury_n they_o understand_v the_o most_o subtle_a most_o penetrate_a and_o most_o aetherial_a substance_n in_o the_o mixt._n by_o sulphur_n all_o that_o which_o be_v therein_o oleagenous_a and_o inflammable_a and_o by_o salt_n and_o that_o be_v dissolve_v in_o water_n and_o coagulate_v by_o fire_n they_o say_v the_o mercury_n or_o spirit_n be_v the_o soul_n of_o body_n that_o it_o give_v motion_n and_o life_n to_o animal_n that_o it_o make_v plant_n grow_v bring_v forth_o blower_n and_o ripen_v fruit_n also_o that_o it_o render_v stone_n and_o metal_n perfect_a that_o the_o sulphur_n or_o oil_n cause_n the_o diversity_n of_o colour_n and_o odour_n the_o beauty_n and_o deformity_n of_o body_n and_o that_o the_o salt_n be_v the_o cause_n of_o the_o taste_n weight_n solidity_n and_o hardness_n of_o mixt_n other_o acknowledge_v that_o there_o be_v salt_n sulphur_n and_o mercury_n in_o all_o body_n they_o demonstrate_v also_o by_o several_a experiment_n that_o these_o three_o substance_n be_v compose_v of_o two_o other_o a_o great_a deal_n more_o simple_a viz._n of_o acid_n and_o alkali_n salt_n and_o that_o salt_n sulphur_n and_o mercury_n be_v no_o other_o but_o these_o two_o salt_n at_o liberty_n or_o entangle_v in_o effect_n you_o shall_v observe_v that_o there_o be_v two_o sort_n of_o salt_n there_o be_v some_o simple_n which_o be_v not_o compound_v of_o any_o other_o substance_n and_o some_o compound_n as_o be_v all_o the_o compound_n mineral_n salt_n and_o essential_a salt_n of_o plant_n which_o be_v compose_v of_o simple_a salt_n and_o passive_a principle_n notwithstanding_o in_o such_o sort_n as_o the_o acid_n which_o be_v the_o first_o of_o these_o simple_a salt_n predominate_v therein_o and_o these_o salt_n be_v call_v salt_n because_o they_o be_v dissolve_v by_o moisture_n and_o coagulate_v by_o dryness_n the_o simple_a salt_n be_v either_o alkali_n or_o acid_n the_o alkali_a salt_n be_v either_o fix_v or_o volatile_a the_o acid_n salt_n be_v always_o in_o a_o liquor_n therefore_o call_v acid_n spirit_n nevertheless_o these_o acid_n spirit_n be_v no_o other_o but_o acid_n salt_n dissolve_v in_o a_o little_a water_n the_o alkali_n salt_n on_o the_o contrary_a be_v almost_o always_o in_o a_o body_n it_o be_v as_o i_o say_v but_o even_o now_o either_o fix_v or_o volatile_a the_o fix_a alkali_n salt_n be_v never_o elevate_v by_o the_o action_n of_o fire_n as_o salt_n of_o tartar_n and_o all_o those_o salt_n which_o be_v draw_v from_o plant_n by_o incineration_n which_o we_o call_v lixiviate_v salt_n as_o those_o of_o scordium_n tamarisk_n etc._n etc._n the_o volatile_a alkali_n salt_n on_o the_o contrary_a be_v elevate_v with_o the_o least_o heat_n of_o fire_n and_o be_v draw_v chief_o from_o animal_n as_o the_o volatile_a salt_n of_o viper_n heart_n etc._n etc._n there_o be_v three_o sort_n of_o mercury_n or_o spirit_n a_o acid_n spirit_n as_o that_o of_o niter_n alum_n vitriol_n etc._n etc._n a_o sharp_a or_o bite_a spirit_n as_o that_o of_o hartshorn_n urine_n viper_n etc._n etc._n and_o a_o burn_a spirit_n as_o that_o of_o wine_n beer_n cider_n etc._n etc._n the_o acid_n spirit_n be_v a_o acid_n salt_n dissolve_v in_o a_o little_a phlegm_n the_o sharp_a bite_a spirit_n be_v a_o alkali_n volatile_a likewise_o dissolve_v in_o a_o little_a phlegm_n and_o the_o burn_a spirit_n be_v a_o sulphur_n and_o a_o sulphur_n be_v a_o envelop_v acid._n all_o chemist_n in_o effect_n agree_v that_o there_o be_v two_o passive_a principle_n viz._n water_n and_o earth_n or_o phlegm_n and_o caput_fw-la mort._n the_o water_n serve_v as_o a_o menstruum_fw-la and_o dissolvant_fw-la to_o the_o acid_n and_o alkali_n salt_n and_o it_o be_v extract_v by_o distillation_n from_o those_o body_n which_o contain_v it_o the_o earth_n serve_v as_o a_o bond_n to_o these_o two_o salt_n it_o be_v extract_v common_o after_o the_o extraction_n of_o the_o lixivious_a salt._n it_o be_v to_o be_v note_v that_o according_a to_o the_o different_a mixture_n of_o these_o four_o sort_n of_o substance_n and_o the_o different_a ranging_n of_o their_o part_n there_o be_v make_v different_a production_n in_o nature_n sometime_o of_o animal_n sometime_o of_o vegetable_n and_o sometime_o of_o mineral_n pyr_n what_o do_v you_o mean_v by_o acid_n salt_n and_o alkali_n salt_n eub._n
hold_v the_o mercury_n and_o iron_n in_o dissotion_n if_o this_o precipitation_n of_o vitriol_n or_o mars_n and_o mercury_n dissolve_v by_o acid_n spirit_n and_o precipitate_v afterward_o with_o alkali_n be_v make_v after_o any_o other_o manner_n than_o that_o which_o i_o have_v already_o tell_v you_o it_o shall_v be_v all_o one_o whether_o one_o put_v a_o acid_n thereto_o after_o there_o be_v a_o alcali_n cast_v into_o it_o or_o that_o one_o put_v none_o the_o which_o notwithstanding_o happen_v not_o for_o the_o acid_n which_o be_v put_v thereto_o join_v itself_o to_o the_o alkali_n which_o be_v put_v thereto_o before_o hinder_v by_o that_o mean_n that_o the_o alkali_n can_v not_o absorb_v the_o acid_n spirit_n which_o hold_v the_o mercury_n and_o iron_n in_o disiolution_n pyr._n all_o your_o experiment_n convince_v i_o strong_o of_o that_o which_o you_o have_v tell_v i_o concern_v acid_n and_o alkali_n salt_n but_o as_o it_o be_v not_o sufficient_a to_o establish_v principle_n only_o to_o tell_v what_o they_o be_v and_o what_o they_o do_v it_o be_v therefore_o very_o needful_a it_o be_v prove_v that_o they_o exist_v that_o they_o be_v find_v in_o all_o body_n and_o that_o they_o be_v principle_n thereto_o that_o be_v to_o say_v that_o all_o body_n be_v resolve_v into_o they_o and_o that_o they_o be_v not_o resolve_v into_o any_o other_o substance_n and_o it_o be_v this_o that_o i_o can_v wish_v you_o will_v plain_o show_v i_o concern_v these_o two_o salt_n if_o it_o be_v possible_a eub._n you_o have_v none_o but_o animal_n vegetable_n and_o mineral_n to_o examine_v and_o you_o shall_v not_o find_v one_o of_o they_o in_o which_o these_o two_o salt_n be_v not_o to_o be_v meet_v withal_o and_o in_o which_o they_o be_v not_o principle_n the_o volatile_a alkali_n which_o be_v draw_v in_o abundance_n from_o the_o blood_n flesh_n horn_n and_o bone_n of_o animal_n which_o ferment_n with_o all_o acid_n and_o precipitate_v vitriol_n of_o mars_n dissolve_v in_o water_n do_v they_o not_o prove_v there_o be_v excess_n of_o alkali_n therein_o and_o the_o different_a acid_n juice_n which_o be_v separate_v from_o their_o body_n as_o spital_n which_o mortify_v mercury_n it_o be_v a_o powerful_a alkali_n which_o can_v be_v so_o mortify_v but_o by_o a_o acid_n and_o as_o the_o acid_n of_o the_o stomach_n curdle_n milk_n when_o one_o drink_v it_o fast_v the_o which_o be_v plain_o perceive_v by_o vomit_v it_o up_o again_o almost_o as_o soon_o as_o it_o be_v take_v and_o milk_n can_v be_v coagulate_v but_o by_o a_o acid._n flesh_n also_o blood_n and_o milk_n which_o grow_v sour_a when_o they_o begin_v to_o corrupt_v prove_v sufficient_o that_o there_o be_v some_o acid_n salt_n in_o animal_n be_v there_o a_o vegetable_a in_o which_o these_o two_o salt_n be_v not_o find_v the_o simple_a fermentation_n which_o vegetable_a juice_n make_v shall_v be_v sufficient_a to_o convince_v you_o of_o it_o for_o fermentation_n as_o i_o shall_v tell_v you_o hereafter_o can_v be_v make_v but_o by_o the_o meeting_n of_o these_o two_o salt_n also_o there_o be_v not_o a_o vegetable_a from_o which_o we_o do_v not_o draw_v a_o great_a quantity_n of_o alkali_n and_o which_o do_v not_o give_v when_o it_o begin_v to_o corrupt_v sufficient_o sensible_a sign_n of_o its_o acidity_n how_o also_o shall_v we_o be_v able_a to_o draw_v a_o essential_a salt_n from_o plant_n if_o they_o have_v not_o acid_n and_o alkali_n see_v essential_a salt_n be_v no_o other_o as_o i_o give_v you_o to_o observe_v when_o i_o speak_v of_o the_o regeneration_n of_o salt_n than_o these_o two_o salt_n join_v together_o do_v they_o not_o draw_v also_o a_o acid_n and_o alkali_n from_o mineral_n compound_v mineral_n salt_n as_o vitriol_n alum_n niter_n etc._n etc._n give_v we_o a_o acid_n in_o dissolution_n and_o leave_v we_o a_o alkali_n in_o the_o caput_fw-la mort._n calcine_v stone_n as_o calx_fw-la vive_fw-la be_v not_o ferment_v when_o they_o be_v dissolve_v in_o water_n but_o because_o they_o contain_v each_o of_o these_o two_o salt_n have_v not_o common_a sulphur_n its_o acid_n which_o they_o draw_v per_fw-la campanum_n in_o burn_v it_o and_o which_o elevate_v mercury_n into_o cinaber_n have_v it_o not_o also_o its_o alkali_n which_o remain_v in_o the_o caput_fw-la mort_fw-fr be_v there_o not_o acid_n and_o alkali_n in_o antimony_n as_o we_o observe_v in_o the_o composition_n of_o its_o butter_n equal_a part_n of_o antimony_n and_o mercury_n sublimate_n they_o mingle_v together_o which_o they_o put_v in_o a_o retort_n and_o commit_v to_o the_o fire_n then_o the_o acid_n spirit_n which_o have_v sublime_v the_o mercury_n quit_v it_o to_o join_v itself_o to_o the_o mercurial_a part_n or_o alkali_n of_o the_o antimony_n and_o the_o sulphur_n or_o acid_n of_o the_o antimony_n elevate_v the_o mercury_n into_o cinnabat_n have_v not_o the_o metal_n also_o their_o acid_n and_o alkali_n gold_n abound_v in_o sulphur_n which_o be_v acid_n and_o it_o have_v a_o mercury_n which_o retain_v this_o sulphur_n and_o unite_v itself_o intimate_o to_o it_o silver_n and_o the_o other_o metal_n have_v a_o mercury_n which_o ferment_n with_o spirit_n of_o niter_n which_o be_v acid_n and_o a_o sulphur_n which_o hinder_v the_o volatility_n and_o fluidity_n of_o this_o mercury_n pyr._n may_v not_o the_o fire_n produce_v these_o salt_n also_o from_o the_o most_o part_n of_o those_o body_n from_o which_o they_o be_v draw_v eub._n no_o for_o when_o one_o have_v once_o draw_v the_o salt_n from_o ash_n calcine_v they_o never_o so_o well_o they_o will_v never_o give_v other_o no_o more_o than_o float_v wood_n that_o be_v i_o suppose_v wood_n that_o have_v lie_v in_o water_n till_o it_o be_v rot_v rot_a wood_n and_o plant_n expose_v some_o day_n and_o night_n to_o the_o air_n because_o their_o salt_n have_v be_v dissolve_v in_o the_o air_n and_o water_n and_o be_v consequent_o draw_v out_o from_o their_o body_n it_o shall_v not_o happen_v so_o if_o the_o fire_n have_v produce_v those_o two_o salt_n for_o then_o at_o all_o time_n whether_o after_o putrefaction_n or_o calcination_n the_o fire_n shall_v always_o produce_v some_o new_a salt_n and_o one_o body_n will_v give_v no_o more_o than_o another_o the_o which_o be_v contrary_a to_o experience_n as_o you_o see_v the_o acidity_n of_o blood_n milk_n and_o flesh_n be_v natural_a to_o they_o and_o those_o different_a acid_n juice_n which_o we_o find_v in_o the_o body_n of_o animal_n be_v separate_v therefrom_o without_o artifice_n and_o without_o the_o help_n of_o fire_n the_o fermentation_n which_o vegetable_a juice_n make_v be_v do_v of_o itself_o in_o a_o word_n the_o acid_n and_o alkali_n of_o compound_a mineral_n salt_n separate_v one_o from_o the_o other_o by_o the_o mean_n of_o fire_n will_v never_o recompose_v the_o same_o salt_n when_o one_o reunite_v they_o together_o if_o the_o fire_n have_v produce_v they_o for_o what_o proportion_n what_o relation_n shall_v these_o new_a production_n of_o the_o fire_n have_v with_o the_o principle_n which_o compose_v these_o salt_n to_o cause_v that_o these_o production_n shall_v regenerate_v salt_n as_o natural_a as_o niter_n alum_n salgem_n etc._n etc._n you_o see_v plain_o by_o all_o these_o experiment_n that_o the_o fire_n do_v not_o produce_v in_o body_n the_o salt_n which_o we_o draw_v therefrom_o but_o that_o these_o salt_n be_v actual_o find_v therein_o there_o remain_v no_o more_o but_o that_o i_o show_v you_o they_o be_v principle_n thereto_o there_o be_v common_o draw_v from_o all_o body_n three_o different_a substance_n to_o which_o be_v give_v as_o i_o have_v already_o say_v the_o name_n of_o salt_n sulphur_n and_o mercury_n which_o be_v pretend_v to_o be_v the_o last_o body_n which_o be_v find_v in_o the_o resolution_n of_o mixt_n but_o experience_n have_v at_o length_n discover_v that_o these_o three_o substance_n be_v compose_v of_o acid_n salt_n and_o alkali_n salt_n and_o that_o these_o two_o salt_n be_v not_o compose_v of_o any_o other_o substance_n and_o by_o consequence_n they_o ought_v to_o be_v principle_n for_o though_o the_o artist_n work_v as_o much_o as_o he_o will_v he_o may_v easy_o find_v the_o mean_n to_o reduce_v the_o salt_n sulphur_n and_o mercury_n into_o our_o two_o salt_n but_o he_o will_v never_o find_v the_o knack_n to_o reduce_v these_o two_o salt_n into_o any_o other_o substance_n and_o though_o he_o make_v use_v of_o the_o same_o two_o infirnment_n which_o he_o use_v for_o the_o reduce_v the_o other_o three_o substance_n into_o these_o two_o salt_n to_o wit_n fire_n and_o water_n notwithstanding_o stand_v he_o shall_v never_o be_v able_a to_o make_v that_o the_o acid_n salt_n be_v no_o more_o acid_n salt_n nor_o the_o alkali_a salt_n sal_fw-la alkali_fw-la i_o have_v occasion_v you_o to_o take_v notice_n that_o there_o be_v two_o sort_n of_o
the_o composition_n of_o lac_n virgin_n the_o smell_n be_v a_o affection_n of_o the_o olfactory_a nerve_n and_o the_o taste_n be_v also_o one_o of_o the_o papillous_a nerve_n of_o the_o tongue_n as_o colour_n be_v of_o the_o retain_v there_o be_v so_o great_a a_o relation_n between_o the_o taste_n and_o smell_v that_o those_o thing_n which_o be_v agreeable_a to_o the_o smell_n be_v also_o almost_o always_o to_o the_o taste_n whence_o it_o come_v that_o the_o most_o part_n of_o animal_n smell_v their_o aliment_n before_o they_o taste_v they_o and_o they_o do_v not_o eat_v they_o except_o they_o find_v they_o agreeable_a to_o their_o smell_n as_o we_o may_v take_v notice_n of_o it_o in_o ape_n all_o the_o difference_n between_o these_o two_o sense_n be_v that_o the_o particle_n which_o cause_v we_o to_o smell_n be_v a_o great_a deal_n more_o subtle_a and_o thin_a than_o those_o which_o cause_v we_o to_o taste_v as_o there_o be_v no_o colour_n which_o we_o do_v not_o behold_v but_o by_o the_o different_a mixture_n of_o acid_n with_o alkali_n so_o there_o be_v also_o no_o savour_n nor_o odour_n which_o we_o do_v not_o perceive_v according_a to_o the_o divers_a mixture_n of_o these_o two_o salt_n 1._o experiment_n which_o prove_v that_o odour_n come_v from_o acid_n and_o alkali_n oil_n of_o rose_n draw_v by_o distillation_n which_o be_v a_o envelop_v acid_n mix_v with_o a_o sufficient_a great_a quantity_n of_o water_n have_v almost_o no_o odour_n but_o mingle_v with_o salt_n of_o tartar_n which_o be_v a_o powerful_a alkali_n it_o make_v a_o fluid_a composition_n some_o drop_n of_o which_o be_v mingle_v with_o a_o quantity_n of_o water_n make_v the_o water_n one_o of_o the_o most_o delectable_a odour_n in_o the_o world._n 2._o experiment_n which_o prove_v the_o same_o sulphur_n of_o mineral_n which_o be_v envellopod_n acid_v be_v to_o be_v dissolve_v by_o fire_n or_o some_o other_o dissolvant_fw-la cast_v forth_o a_o odour_n as_o stink_v as_o that_o of_o the_o oil_n of_o rose_n draw_v by_o distillation_n but_o mix_v with_o some_o alkali_n it_o be_v pleasant_a 3._o experiment_n which_o prove_v that_o the_o difference_n of_o taste_n come_v from_o the_o diversity_n of_o acid_n and_o alkali_n experience_n show_v we_o that_o saltness_n come_v from_o the_o mixture_n of_o acid_n with_o alkali_n soap_n which_o be_v salt_n give_v we_o a_o familiar_a example_n thereof_o it_o be_v make_v with_o pure_a alkali_n and_o oil_n which_o be_v a_o envelop_v acid._n 4._o experiment_n which_o prove_v that_o the_o diversity_n of_o savour_n depend_v upon_o the_o different_a mixture_n and_o particular_a nature_n of_o acids_n 〈◊〉_d alkali_n silver_n reduce_v into_o cristal_n by_o spirit_n of_o niter_n which_o be_v a_o powerful_a acid_n become_v of_o a_o extreme_a bitter_a taste_n lead_v on_o the_o contrary_a dissolve_v in_o distil_a vinegar_n and_o reduce_v into_o salt_n acquire_v the_o sweetness_n of_o sugar_n etc._n etc._n i_o can_v bring_v several_a other_o experiment_n to_o prove_v that_o the_o diversity_n of_o odour_n and_o savour_n depend_v upon_o the_o different_a mixture_n of_o acid_n and_o alkali_n but_o though_o i_o have_v discourse_v you_o thereof_o elsewhere_o i_o shall_v yet_o bring_v you_o one_o more_o sufficient_o familiar_a which_o be_v that_o of_o wine_n wine_n have_v another_o taste_n and_o another_o smell_n before_o it_o be_v ferment_v than_o it_o have_v when_o it_o be_v ferment_v or_o after_o it_o be_v ferment_v for_o it_o change_v by_o little_a and_o little_a its_o green_a taste_n into_o a_o plesant_a and_o become_v at_o last_o sour_a and_o lose_v its_o temperament_n of_o wine_n and_o all_o these_o change_n happen_v to_o it_o according_a 〈◊〉_d the_o acid_n and_o alkaly_n which_o be_v find_v therein_o be_v more_o or_o less_o entangle_v and_o 〈◊〉_d as_o one_o of_o they_o be_v more_o or_o less_o exalt_v and_o there_o be_v almost_o no_o odor_n or_o savour_n through_o which_o it_o do_v not_o pass_v before_o it_o grow_v four_o there_o remain_v no_o more_o but_o that_o i_o speak_v two_o word_n of_o the_o passive_a principle_n the_o water_n be_v the_o first_o of_o these_o principle_n it_o serve_v as_o i_o have_v already_o tell_v you_o as_o a_o vehicle_n to_o the_o acid_n and_o alkali_n salt_n it_o serve_v also_o to_o dissolve_v they_o and_o put_v they_o in_o motion_n because_o salt_n act_v not_o except_o they_o be_v dissolve_v salia_n non_fw-la agunt_fw-la nisi_fw-la dissoluta_fw-la water_n cause_v the_o destruction_n of_o mixt_n when_o it_o be_v find_v therein_o in_o too_o great_a a_o quantity_n as_o it_o compact_n they_o and_o strict_o unite_v their_o part_n when_o it_o be_v find_v therein_o in_o a_o lesser_a quantity_n and_o it_o fill_v up_o the_o empty_a space_n which_o it_o meet_v with_o therein_o the_o earth_n or_o caput_n mort._n on_o the_o contrary_n be_v extreme_o porous_a and_o light_a make_v a_o great_a many_o vacancy_n in_o body_n wherein_o it_o be_v find_v but_o on_o the_o other_o hand_n it_o hinder_v that_o those_o body_n be_v not_o destroy_v by_o the_o abundance_n of_o phlegm_n it_o be_v unnecessary_a to_o bring_v you_o a_o great_a many_o experiment_n to_o prove_v that_o water_n and_o earth_n be_v find_v in_o all_o body_n and_o that_o they_o be_v principle_n thereto_o but_o without_o any_o action_n i_o believe_v you_o be_v sufficient_o convince_v thereof_o and_o have_v several_a time_n observe_v that_o there_o be_v no_o body_n from_o which_o we_o can_v draw_v some_o phlegm_n by_o distillation_n and_o which_o leave_v not_o some_o earth_n after_o calcination_n and_o though_o we_o work_v never_o so_o much_o on_o water_n and_o earth_n it_o be_v impossible_a to_o draw_v any_o other_o thing_n therefrom_o but_o water_n and_o earth_n you_o be_v not_o ignorant_a also_o that_o rot_a wood_n which_o have_v no_o acid_n and_o alkali_n salt_n and_o which_o have_v nothing_o but_o some_o phlegm_n and_o earth_n have_v no_o more_o any_o action_n pyr._n i_o can_v wish_v you_o will_v a_o little_a long_o explain_v what_o you_o mean_v by_o the_o word_n fermentation_n and_o precipitation_n whereof_o you_o make_v use_v so_o often_o eubul_n by_o the_o word_n fermentation_n i_o mean_v a_o internal_a motion_n of_o all_o the_o part_n of_o body_n which_o be_v ferment_v in_o such_o manner_n that_o they_o take_v no_o more_o the_o same_o place_n nor_o situation_n as_o they_o have_v before_o and_o that_o they_o change_v consequent_o or_o at_o least_o alter_v very_o much_o the_o nature_n of_o the_o body_n which_o be_v ferment_v as_o for_o the_o difference_n of_o effervescence_n in_o which_o there_o be_v make_v only_o a_o simple_a motion_n of_o the_o integral_a part_n of_o mixt_n by_o the_o force_n of_o some_o exterior_a agent_n as_o fire_n the_o which_o part_v re-take_a afterward_o the_o same_o situation_n which_o thy_o occupy_v before_o unless_o their_o nature_n and_o quality_n be_v in_o any_o wise_a change_v there_o be_v several_a sort_n of_o fermentation_n in_o nature_n some_o be_v make_v with_o effervescence_n as_o that_o which_o happen_v upon_o the_o mixture_n of_o oil_n of_o vitriol_n with_o oil_n of_o tartar_n and_o other_o be_v make_v without_o effervescence_n as_o it_o happen_v in_o a_o eglantine_n which_o a_o hen_n hatch_v and_o in_o common_a water_n when_o one_o cast_v thereinto_o some_o drop_n of_o well-deflegmed_a spirit_n of_o vitriol_n and_o this_o fermentation_n be_v know_v only_o by_o the_o heat_n which_o we_o feel_v at_o that_o instant_n there_o be_v some_o which_o be_v make_v without_o heat_n as_o that_o which_o be_v make_v of_o vitriol_n dissolve_v in_o water_n with_o oil_n of_o tartar_n there_o be_v some_o which_o be_v make_v with_o fire_n and_o flame_n as_o the_o fermentation_n which_o be_v make_v of_o calx_fw-la vive_fw-la in_o the_o time_n it_o be_v sprinkle_v with_o a_o little_a vinegar_n and_o other_o which_o be_v without_o fire_n or_o flame_n as_o be_v the_o ordinary_a fermentation_n there_o be_v still_o some_o sensible_a and_o insensible_a sensible_a as_o the_o fermentation_n of_o spirit_n of_o niter_n with_o oil_n of_o tartar_n and_o insensible_a as_o that_o of_o wine_n which_o sour_v pyr._n whence_o come_v it_o that_o there_o be_v so_o many_o sort_n of_o fermentation_n eub._n either_o body_n be_v ferment_v of_o themselves_o as_o wine_n or_o they_o be_v ferment_v by_o mean_n of_o a_o ferment_n as_o doughty_n with_o leven_n either_o the_o acid_n salt_n and_o alkali_a salt_n be_v exalt_v or_o else_o they_o be_v entangle_v one_o in_o the_o other_o and_o in_o the_o passive_a principle_n one_o of_o they_o be_v exalt_v and_o the_o other_o entangle_v or_o one_o of_o they_o be_v in_o a_o great_a quantity_n and_o the_o other_o in_o a_o small_a quantity_n if_o the_o acid_n salt_n and_o alkali_a salt_n be_v each_o as_o powerful_a as_o the_o other_o the_o fermentation_n can_v be_v make_v without_o heat_n and_o
salt_n namely_o a_o acid_n salt_n and_o a_o alkali_n that_o there_o be_v three_o sort_n of_o spirit_n or_o mercury_n a_o acid_n spirit_n a_o sharp_a bite_a spirit_n and_o a_o burn_a spirit_n that_o the_o acid_n spirit_n be_v a_o acid_n salt_n dissolve_v in_o a_o little_a phlegm_n the_o sharp_a spirit_n a_o volatile_a alkali_n dissolve_v also_o in_o a_o little_a phlegm_n and_o the_o burn_a spirit_n a_o sulphur_n and_o sulphur_n a_o envelop_v acid_n i_o have_v now_o no_o more_o to_o do_v but_o to_o bring_v you_o some_o experiment_n to_o convince_v you_o of_o this_o truth_n i._o experiment_n which_o prove_v that_o acià _fw-la spirit_n be_v no_o other_o than_o acid_n salis_n dissolve_v in_o some_o phlegm_n a_o acid_n spirit_n ferment_n itself_o with_o all_o alkali_n and_o make_v thereof_o salt_n of_o the_o same_o nature_n with_o those_o from_o which_o it_o be_v draw_v as_o the_o spirit_n of_o niter_n etc._n etc._n ii_o experiment_n a_o sharp_a spirit_n be_v a_o volatile_a alkali_n dissolve_v in_o some_o phlegm_n all_o sharp_a spirit_n ferment_n themselves_o with_o acid_n and_o precipitate_v vitriol_n of_o mars_n dissolve_v in_o water_n as_o the_o volatile_a spirit_n of_o salarmoniack_a etc._n etc._n iii_o experiment_n which_o prove_v that_o burn_a spirit_n be_v sulphur_n plant_n give_v a_o great_a deal_n of_o oil_n and_o a_o little_a spirit_n before_o they_o be_v ferment_v and_o they_o give_v on_o the_o contrary_a a_o great_a deal_n of_o spirit_n and_o a_o very_a little_a oil_n after_o they_o be_v ferment_v because_o the_o part_n thereof_o unloose_v themselves_o and_o disentangle_a themselves_o one_o from_o the_o other_o in_o the_o time_n of_o fermentation_n and_o remain_v bind_v and_o entangle_v one_o in_o the_o other_o before_o the_o fermentation_n be_v make_v which_o clear_o show_v that_o a_o burn_a spirit_n be_v a_o vegetable_a sulphur_n but_o much_o less_o entangle_v than_o the_o other_o sulphur_n of_o vegetable_n iv_o experiment_n which_o prove_v the_o same_o experience_n show_v we_o that_o burn_a spirit_n expose_v to_o the_o air_n for_o some_o time_n be_v change_v into_o oil_n of_o the_o same_o nature_n as_o those_o of_o the_o plant_n from_o which_o they_o be_v draw_v v._o experiment_n which_o demonstrate_v that_o burn_a spirit_n be_v envelop_v acid_n there_o be_v draw_v from_o salt_n of_o saturn_n a_o burn_a spirit_n of_o the_o same_o nature_n as_o spirit_n of_o wine_n this_o spirit_n can_v come_v but_o from_o the_o acid_n of_o the_o distil_a vinegar_n which_o enter_v into_o the_o composition_n of_o the_o salt_n of_o saturn_n who_o part_n be_v bind_v and_o entangle_v one_o in_o the_o other_o vi_o experiment_n which_o prove_v that_o oil_n of_o vegetable_n be_v envelop_v acid_n oil_n corrode_v copper_n and_o turn_v it_o into_o verdigrise_n there_o be_v none_o but_o acid_n which_o can_v produce_v this_o effect_n and_o therefore_o consequent_o oil_n ought_v to_o be_v acid._n vii_o experiment_n which_o prove_v the_o same_o fire_n be_v a_o oil_n who_o part_n be_v unwrap_v and_o in_o a_o most_o violent_a agitation_n and_o motion_n fire_n be_v acid_n since_o it_o render_v coral_n salt_n oil_n which_o be_v the_o matter_n thereof_o aught_o then_o to_o be_v acid._n viii_o experiment_n which_o prove_v the_o same_o soap_n do_v furnish_v we_o still_o with_o a_o most_o convince_a proof_n that_o oil_n of_o vegetable_n be_v envelop_v acid_n soap_n be_v make_v with_o three_o part_n of_o alkali_n and_o two_o of_o oil_n which_o two_o matter_n be_v mingle_v together_o and_o then_o boil_v and_o there_o come_v therefrom_o a_o salt_n body_n which_o be_v soap_n you_o know_v that_o saltness_n come_v from_o the_o mixture_n of_o acid_n with_o alkali_n and_o that_o consequent_o see_v soap_n be_v salt_n the_o soap_n ought_v not_o only_o to_o have_v alkali_n in_o it_o but_o also_o acid_n the_o acid_n can_v be_v communicate_v to_o it_o but_o by_o the_o oil_n which_o be_v put_v thereto_o which_o acid_n unwrap_v itself_o in_o the_o alkali_fw-la which_o be_v join_v thereto_o it_o must_v be_v therefore_o that_o oil_n be_v a_o envelop_v acid._n pyr._n it_o may_v be_v also_o thaâ—_n the_o fire_n communicate_v this_o saltness_n to_o the_o soap_n as_o it_o do_v to_o the_o coral_n for_o you_o have_v already_o tell_v i_o that_o when_o one_o reverberate_v they_o in_o a_o violent_a fire_n for_o some_o day_n and_o night_n they_o become_v entire_o salt_n and_o ferment_n no_o more_o with_o acid_n eub._n the_o same_o thing_n can_v be_v say_v of_o soap_n as_o of_o coral_n because_o one_o must_v reverberate_v the_o coral_n six_o day_n and_o night_n to_o render_v they_o salt_n and_o the_o saltness_n of_o soap_n be_v communicate_v to_o it_o in_o a_o short_a time_n even_o as_o soon_o as_o the_o acid_n of_o the_o oil_n be_v dis-enveloped_n and_o absrobe_v by_o the_o alkali_n which_o be_v put_v thereto_o likewise_o the_o soap_n augment_v not_o in_o weight_n on_o the_o fire_n as_o the_o coral_n do_v they_o augment_v a_o five_o part_n ix_o experiment_n which_o prove_v that_o the_o fat_n be_v and_o suet_n of_o animal_n be_v envelop_v acid_n soap_n be_v make_v with_o the_o suet_n of_o animal_n after_o the_o same_o manner_n as_o it_o be_v with_o the_o oil_n of_o vegetable_n it_o must_v be_v therefore_o that_o the_o fat_n be_v and_o suet_n of_o animal_n may_v be_v envelop_v acid_n as_o the_o oil_n of_o vegetable_n be_v x._o experiment_n which_o prove_v the_o same_o the_o flame_n of_o fat_n be_v and_o suet_n be_v acid_n it_o destroy_v iron_n and_o reduce_v it_o into_o scoria_n &c._n &c._n grease_n and_n suet_n ought_v then_o to_o be_v acid_n xi_o experiment_n which_o prove_v that_o the_o sulphur_n of_o mineral_n and_o metal_n be_v envelop_v acid_n sulphur_n of_o antimony_n elevate_v mercury_n into_o cinnabar_fw-la as_o we_o observe_v in_o the_o composition_n of_o its_o butter_n how_o shall_v the_o sulphur_n of_o antimony_n elevate_v mercury_n which_o be_v a_o alkali_n into_o cinnabar_fw-la if_o it_o be_v not_o acid_n it_o follow_v therefore_o that_o the_o sulphur_n of_o antimony_n be_v acid_a common_a sulphur_n elevate_v mercury_n into_o cinnaber_n and_o it_o may_v be_v make_v use_n of_o for_o the_o position_n of_o soap_n as_o well_o as_o the_o oil_n of_o vegetable_n and_o fat_n be_v of_o animal_n in_o a_o word_n the_o sulphur_n of_o gold_n be_v acid_a since_o it_o produce_v the_o same_o effect_n as_o acid_n do_v for_o it_o calcines_fw-la iron_n which_o can_v be_v calcine_v but_o by_o acid_n etc._n etc._n the_o sulphur_n of_o mineral_n and_o metal_n be_v then_o envelop_v acid_n pyr._n in_o truth_n these_o principle_n be_v most_o sensible_a and_o palpable_a eub._n this_o be_v not_o yet_o enough_o to_o have_v discover_v thus_o much_o to_o you_o concern_v acid_n salt_n &_o alkali_n salt_n in_o particular_a but_o it_o be_v needful_a that_o i_o press_v the_o thing_n more_o home_n and_o that_o i_o make_v you_o know_v what_o these_o two_o salt_n be_v capable_a to_o do_v when_o they_o be_v once_o unite_v these_o two_o salt_n be_v in_o regard_n one_o of_o the_o other_o as_o the_o soul_n be_v in_o regard_n of_o the_o body_n and_o the_o body_n in_o respect_n of_o the_o soul_n the_o the_o acid_n salt_n be_v the_o soul_n which_o animate_v and_o vivify_v the_o body_n and_o the_o alkali_n salt_n be_v the_o body_n which_o receive_v the_o soul_n and_o unite_v itself_o so_o intimate_o therewith_o that_o this_o soul_n can_v be_v nothing_o without_o this_o body_n nor_o this_o body_n without_o this_o soul._n when_o they_o be_v once_o intimate_o unite_v as_o we_o observe_v in_o common_a salt_n it_o be_v impossible_a to_o separate_v they_o one_o from_o the_o other_o and_o though_o these_o two_o salt_n seem_v at_o first_o sight_n to_o have_v a_o antipathy_n one_o against_o the_o other_o by_o the_o fermentation_n which_o they_o make_v when_o they_o meet_v nevertheless_o they_o embrace_v and_o unite_v in_o such_o wise_a together_o that_o very_o far_o from_o destroy_v themselves_o they_o be_v coagulate_v and_o make_v no_o more_o but_o one_o and_o the_o same_o body_n and_o it_o may_v be_v say_v thereof_o as_o the_o incomparable_a hypocrates_n have_v say_v in_o his_o book_n of_o diet_n speak_v of_o fire_n and_o water_n that_o though_o these_o two_o element_n differ_v in_o quality_n nevertheless_o they_o agree_v in_o use_n that_o they_o be_v sufficient_a for_o all_o body_n and_o for_o themselves_o but_o neither_o the_o one_o nor_o the_o other_o separate_v can_v be_v sufficient_a neither_o for_o any_o other_o body_n nor_o for_o itself_o constituuntur_fw-la say_v he_o tum_fw-la animantia_fw-la tum_fw-la alia_fw-la omne_fw-la tum_fw-la homo_fw-la ipse_fw-la ex_fw-la duobus_fw-la differentibus_fw-la quidem_fw-la facultate_fw-la concordibus_fw-la vero_fw-la &_o commodis_fw-la usu_fw-la haec_fw-la ambo_fw-la simul_fw-la sufficientia_fw-la sunt_fw-la tum_fw-la aliis_fw-la omnibus_fw-la tum_fw-la mutuo_fw-la
effervescence_n as_o of_o spirit_n of_o niter_n with_o oil_n of_o tartar_n if_o on_o the_o contrary_a one_o of_o these_o two_o salt_n be_v weak_a and_o the_o other_o strong_a as_o be_v the_o alkali_n of_o water_n and_o the_o acid_n of_o oil_n of_o vitriol_n well_o deflegm_v there_o be_v only_o make_v a_o little_a heat_n without_o effervescence_n if_o the_o acid_n which_o be_v mingle_v with_o the_o alkali_n be_v disintangled_n from_o its_o own_o alkali_n and_o passive_a principle_n as_o the_o acid_n of_o oil_n of_o vitriol_n there_o be_v make_v a_o fermentation_n with_o heat_n and_o effervescence_n and_o if_o on_o the_o contrary_a the_o acid_n be_v entangle_v as_o in_o vitriol_n in_o its_o body_n there_o be_v only_o make_v a_o fermentation_n with_o effervescence_n without_o heat_n in_o like_a manner_n if_o these_o two_o salt_n be_v exalt_v and_o disintangled_n one_o from_o the_o other_o and_o from_o the_o passive_a principle_n they_o take_v fire_n at_o the_o same_o time_n that_o they_o ferment_n as_o calx_fw-la vive_fw-la do_v when_o it_o be_v sprinkle_v with_o some_o vinegar_n in_o a_o word_n if_o these_o two_o salt_n be_v weak_a the_o fermentation_n be_v insensible_a there_o be_v few_o fermentation_n make_v but_o there_o be_v at_o the_o same_o time_n make_v a_o precipitation_n though_o there_o be_v several_a precipitation_n make_v without_o fermentation_n as_o in_o the_o precipitation_n which_o be_v do_v by_o acid_n of_o mercury_n sublimate_v dissolve_v in_o water_n precipitation_n be_v a_o dis-uninion_a of_o a_o dissolve_a body_n from_o its_o dissolvant_fw-la in_o such_o manner_n that_o be_v separate_v therefrom_o it_o fall_v by_o its_o own_o weight_n to_o the_o bottom_n of_o the_o vessel_n which_o contain_v it_o precipitation_n be_v make_v several_a way_n for_o either_o it_o be_v a_o acid_n which_o hold_v a_o alkali_n in_o dissolution_n or_o it_o be_v a_o acid_n which_o be_v dissolve_v by_o a_o alkali_n as_o it_o happen_v in_o the_o composition_n of_o regulus_n of_o antimony_n in_o which_o the_o sulphur_n of_o antimony_n which_o be_v a_o acid_n be_v separate_v from_o the_o regulus_n and_o remain_v in_o the_o feces_n dissolve_v by_o the_o alkali_n of_o tartar_n and_o niter_n if_o it_o be_v a_o acid_n which_o hold_v a_o alkali_n in_o dissolution_n where_o the_o union_n be_v so_o perfect_a that_o there_o be_v not_o the_o least_o poor_a empty_a as_o in_o all_o the_o compound_n mineral_n salt_n as_o vitriol_n the_o precipitation_n can_v be_v make_v but_o by_o a_o alkali_n or_o else_o where_o the_o union_n be_v not_o so_o perfect_a and_o there_o remain_v a_o great_a many_o pore_n which_o be_v not_o fill_v by_o this_o acid_n as_o in_o corrosive_a sublimate_n the_o precipitation_n may_v be_v do_v as_o well_o by_o acid_n other_z discourse_n upon_o acid_n &_o alkali_n pyroph_n those_o arguing_n which_o we_o have_v at_o our_o last_o mee_v have_v almost_o whole_o persuade_v i_o of_o the_o verity_n of_o the_o hypothesis_n of_o acid_n and_o alkali_n but_o i_o must_v confess_v dear_a eubulus_n that_o i_o have_v be_v extreme_o shake_v by_o the_o reflection_n of_o the_o incomparable_a mr._n boil_v upon_o these_o principle_n which_o be_v late_o fall_v into_o my_o hand_n and_o the_o objection_n which_o he_o make_v be_v so_o strong_a that_o it_o seem_v impossible_a to_o bring_v a_o solution_n thereof_o eub._n i_o doubt_v not_o but_o that_o the_o objection_n which_o the_o leared_a mr._n boyle_n make_v against_o our_o hypothesis_n have_v much_o seem_a truth_n in_o they_o but_o nevertheless_o i_o believe_v that_o they_o may_v be_v resolve_v with_o great_a ease_n when_o one_o very_o exact_o consider_v what_o i_o have_v say_v to_o you_o concern_v the_o nature_n of_o these_o two_o principle_n and_o all_o their_o force_n will_v serve_v to_o make_v the_o truth_n of_o this_o hypothesis_n the_o more_o conspicuous_a pyr._n mr._n boyle_n think_v it_o strange_a that_o they_o shall_v explain_v all_o the_o quality_n of_o body_n and_o the_o other_o phoenomena_n of_o nature_n by_o this_o new_a system_n and_o that_o they_o attribute_v to_o it_o a_o extent_n which_o ought_v only_o to_o be_v give_v to_o matter_n and_o motion_n eub._n you_o may_v easy_o conclude_v by_o the_o several_a phoenomena_n of_o all_o sort_n of_o species_n which_o i_o have_v explain_v to_o you_o according_a to_o these_o principle_n that_o it_o will_v be_v easy_a to_o explain_v all_o those_o which_o they_o shall_v be_v able_a to_o prefer_v and_o i_o do_v not_o see_v why_o the_o extent_n that_o be_v give_v to_o this_o hypothesis_n aught_o to_o be_v different_a from_o that_o of_o matter_n and_o motion_n since_o that_o in_o itself_o be_v find_v the_o existence_n of_o the_o matter_n and_o cause_n of_o motion_n pyr_n our_o illustrious_a englishman_n pretend_v that_o they_o have_v not_o make_v experiment_n enough_o nor_o sufficient_a induction_n to_o prove_v that_o acid_n and_o alkali_n be_v to_o be_v find_v in_o all_o body_n and_o in_o all_o the_o sensible_a part_n of_o mixt_n and_o that_o they_o ought_v not_o to_o conclude_v that_o these_o two_o salt_n be_v to_o be_v find_v therein_o because_o such_o or_o such_o effect_n be_v the_o emanation_n of_o these_o principle_n as_o for_o example_n when_o the_o patron_n of_o acid_n and_o alkali_n see_v aqua_fw-la fort._n or_o spirit_n of_o niter_n dissolve_v file_n of_o copper_n they_o conclude_v thereupon_o that_o the_o dissolvant_fw-la which_o be_v acid_n meet_v in_o those_o file_n of_o copper_n with_o a_o alkali_n upon_o which_o it_o work_v whereas_o they_o do_v not_o take_v notice_n that_o a_o well_o deflegm_v spirit_n of_o urine_n which_o in_o their_o hypothesis_n be_v a_o volatile_a alkali_n dissolve_v in_o a_o little_a phlegm_n do_v dissolve_v file_n of_o copper_n as_o ready_o and_o much_o more_o natural_o than_o aqua_n fort._n do_v eub._n i_o believe_v you_o have_v sufficient_o prove_v by_o those_o experiment_n which_o i_o bring_v you_o that_o there_o be_v acid_n and_o alkali_n in_o all_o part_n of_o mixt_n it_o be_v most_o easy_a to_o separate_v these_o two_o principle_n from_o animal_n vegetable_n and_o the_o most_o part_n of_o mineral_n but_o as_o for_o metal_n these_o principle_n be_v therein_o so_o strict_o unite_v one_o with_o the_o other_o that_o it_o be_v almost_o impossible_a to_o disunite_a they_o nevertheless_o we_o see_v therein_o the_o same_o effect_n as_o we_o know_v be_v produce_v in_o other_o body_n by_o acid_n and_o alkali_n and_o therefore_o we_o have_v good_a ground_n to_o believe_v that_o these_o principle_n be_v also_o to_o be_v meet_v with_o therein_o and_o that_o the_o same_o effect_n be_v produce_v by_o the_o same_o cause_n thus_o when_o we_o see_v spirit_n of_o niter_n and_o the_o volatile_a spirit_n of_o shall_fw-mi ammoniac_a dissolve_v file_n of_o copper_n we_o conclude_v that_o there_o be_v acid_n and_o alkali_n in_o those_o file_n and_o that_o the_o acid_n spirit_n of_o niter_n act_n on_o the_o alkali_n which_o it_o find_v therein_o and_o the_o sharp_a spirit_n of_o shall_fw-mi ammoniac_a on_o its_o acid_n for_o it_o be_v a_o sure_a maxim_n that_o acid_n spirit_n never_a act_n nor_o ferment_n but_o with_o alkali_n and_o alkali_n on_o the_o contrary_a never_o act_n upon_o any_o other_o body_n but_o acid_n and_o thus_o mr._n boyle_n objection_n be_v of_o no_o force_n see_v spirit_n of_o niter_n and_o spirit_n of_o shall_fw-mi ammoniac_a meet_v in_o the_o file_n of_o copper_n with_o different_a part_n upon_o which_o they_o act_n different_o and_o they_o act_v not_o any_o otherwise_o on_o the_o same_o subject_n pyr._n he_o continue_v his_o objection_n by_o a_o experiment_n like_o the_o former_a he_o say_v that_o in_o the_o solution_n which_o be_v make_v of_o iron_n by_o acid_n spirit_n they_o be_v wont_v to_o attribute_v this_o effect_n to_o the_o acidity_n of_o the_o liquor_n which_o dissolve_v it_o although_o iron_n be_v dissolve_v ready_o enough_o and_o also_o in_o the_o cold_a too_o in_o sharp_a spirit_n eub._n this_o objection_n be_v as_o easy_o resolve_v as_o the_o former_a for_o there_o be_v find_v in_o iron_n as_o there_o be_v in_o copper_n acid_n and_o alkali_n the_o spirit_n of_o niter_n act_n on_o its_o alkali_n and_o the_o spirit_n of_o shall_fw-mi ammoniac_a on_o its_o sulphur_n or_o acid_n and_o it_o be_v sufficient_a that_o the_o one_o or_o other_o of_o these_o two_o liquor_n act_v upon_o the_o alkali_n or_o acid_n of_o the_o iron_n to_o make_v the_o metal_n change_v its_o form_n as_o for_o the_o rest_n it_o be_v sufficient_o easy_a to_o know_v that_o there_o be_v acid_n and_o alkali_n in_o iron_n by_o this_o that_o iron_n cast_v into_o cream_n hinder_v that_o the_o butter_n can_v be_v make_v in_o as_o much_o as_o it_o charge_v itself_o with_o the_o acid_n which_o ought_v to_o make_v the_o coagulation_n and_o there_o be_v none_o but_o alkaly_n which_o have_v the_o privilege_n to_o
itself_o from_o the_o alkali_n of_o the_o tartar_n and_o act_n upon_o that_o of_o the_o water_n and_o cause_n as_o i_o have_v say_v but_o now_o the_o heat_n in_o the_o water_n and_o when_o the_o tartar_n be_v not_o sufficient_o calcine_v it_o retain_v some_o of_o its_o own_o acid_n and_o become_v a_o little_a near_o the_o nature_n of_o calx_fw-la vive_fw-la which_o cause_v it_o to_o ferment_n in_o water_n but_o when_o this_o salt_n be_v neither_o too_o much_o nor_o too_o little_o calcine_v it_o dissolve_v simple_o in_o water_n without_o cause_v therein_o any_o heat_n as_o all_o pure_a alkali_n do_v pyr._n he_o afterward_o come_v to_o speak_v of_o the_o taste_n which_o he_o say_v be_v as_o the_o touchstone_n to_o know_v acid_n and_o alkali_n he_o say_v thereupon_o that_o there_o be_v a_o great_a many_o mixt_n in_o which_o the_o taste_n can_v so_o little_o discern_v which_o of_o those_o two_o principle_n predominate_v therein_o that_o one_o can_v suspect_v that_o there_o be_v in_o those_o two_o body_n the_o least_o part_n of_o those_o two_o salt_n as_o in_o diamons_n rubys_n gold_n silver_n etc._n etc._n that_o there_o be_v also_o several_a body_n which_z abound_v in_o acid_n and_o alkali_n salt_n yet_o have_v no_o taste_n at_o all_o or_o which_o have_v one_o altogether_o different_a from_o that_o which_o the_o chemist_n attribute_n to_o their_o principle_n as_o venice_n glass_n which_o be_v insipid_a on_o the_o tongue_n though_o it_o be_v almost_o no_o other_o thing_n but_o fix_v alkali_n and_o as_o cristal_n of_o silver_n and_o lead_v make_v with_o aqua_fw-la fortis_fw-la whereof_o the_o first_o have_v a_o extreme_a bitterness_n and_o the_o last_o the_o sweetness_n of_o sugar_n neither_o of_o which_o retain_v any_o thing_n of_o acid_n of_o the_o aq_n fort._n which_o do_v dissolve_v those_o metal_n eub._n by_o the_o taste_n we_o can_v only_o know_v pure_a acid_n and_o alkalis_n as_o the_o spirit_n of_o sulphur_n niter_n etc._n etc._n which_o be_v take_v notice_n of_o by_o their_o acidity_n and_o as_o the_o volatile_a alkali_n of_o viper_n hartshorn_n and_o fix_v alkali_n as_o lixivial_a salt_n which_o be_v know_v by_o their_o great_a acrimony_n as_o soon_o as_o these_o two_o salt_n be_v mix_v together_o they_o produce_v different_a savour_n according_a to_o the_o divers_a mixture_n and_o particular_a figure_n of_o their_o part_n it_o happen_v also_o very_a often_o that_o a_o body_n which_o experience_n teach_v we_o a_o acid_n be_v mingle_v with_o a_o body_n which_o experience_n make_v we_o know_v to_o be_v a_o alkali_n they_o be_v insipid_a as_o for_o example_n when_o four_o part_n of_o cream_n of_o tartar_n dissolve_v in_o water_n in_o which_o may_v be_v manifest_o see_v that_o the_o acid_n predominate_v be_v mingle_v with_o two_o part_n of_o salt_n of_o tartar_n dissolve_v also_o in_o water_n there_o be_v make_v as_o soon_o as_o they_o come_v together_o a_o fermentation_n sufficient_o violent_a from_o which_o afterward_o be_v obtain_v by_o cristallization_n a_o salt_n which_o be_v altogether_o insipid_a you_o see_v by_o this_o experiment_n that_o though_o a_o body_n be_v insipid_a nevertheless_o one_o may_v not_o conclude_v that_o it_o contain_v neither_o acid_n nor_o alkâ—liâ—_n therein_o pyr._n mr._n boyle_n pretend_v be_v the_o five_o chapter_n that_o the_o hypothesis_n of_o acid_n and_o alkali_n be_v neither_o necessary_a nor_o useful_a to_o explain_v that_o which_o happen_v to_o quality_n whereof_o some_o be_v produce_v other_o destroy_v or_o alter_v it_o not_o appear_v thâ—t_v these_o two_o principle_n contribute_v in_o any_o wise_a thereto_o as_o when_o water_n be_v change_v by_o the_o force_n of_o beat_v into_o froth_n which_o have_v some_o consistence_n or_o as_o when_o coral_n which_o be_v red_a and_o transparent_a be_v change_v into_o a_o white_a and_o opacous_a powder_n without_o do_v any_o other_o thing_n thereto_o than_o reduce_v it_o into_o a_o powder_n sufficient_o subtle_a to_o pass_v through_o a_o fine_a searce_n eub._n the_o froth_n which_o be_v form_v on_o water_n by_o beat_v come_v only_o from_o the_o agitation_n of_o its_o part_n and_o as_o there_o be_v a_o great_a many_o alkali_n part_n and_o also_o some_o acid_n part_n and_o a_o little_a earth_n to_o be_v meet_v with_o in_o water_n it_o be_v certain_a that_o these_o principle_n contribute_v to_o the_o production_n of_o this_o quality_n it_o shall_v be_v needful_a that_o mr_n boyle_n prove_v that_o there_o be_v no_o acid_n nor_o alkali_n in_o water_n to_o conclude_v that_o acid_n and_o alkali_n do_v not_o contribute_v in_o any_o wise_a to_o the_o production_n of_o this_o new_a quality_n which_o be_v impossible_a to_o be_v do_v as_o for_o the_o coral_n which_o become_v white_a and_o opacous_a when_o it_o be_v reduce_v into_o a_o impalpable_a powder_n i_o shall_v tell_v you_o that_o the_o most_o part_n of_o body_n be_v destroy_v by_o trituration_n and_o entire_o change_v their_o nature_n and_o those_o also_o which_o be_v hard_a and_o solider_fw-la and_o if_o we_o may_v believe_v some_o of_o the_o renown_a chemist_n of_o our_o age_n as_o the_o famous_a langelot_n olaus_n borrychius_n schroder_n etc._n etc._n leaf-gold_n be_v destroy_v in_o such_o wise_a by_o a_o long_a trituration_n that_o it_o be_v impossible_a to_o make_v it_o retake_v the_o form_n of_o gold_n whatsoever_o artifice_n you_o use_v so_o that_o it_o be_v not_o strange_a that_o coral_n which_o be_v red_a and_o transparent_a shall_v become_v white_a and_o opacous_a when_o it_o be_v reduce_v to_o a_o impalpable_a powder_n because_o that_o in_o the_o trituration_n which_o be_v make_v thereof_o its_o part_n be_v disunited_a in_o such_o wise_a one_o from_o the_o other_o and_o be_v in_o so_o great_a a_o confusion_n that_o they_o can_v no_o long_o keep_v their_o natural_a colour_n either_o because_o they_o do_v no_o long_o reflect_v the_o light_n as_o they_o do_v reflect_v it_o before_o or_o because_o they_o do_v not_o make_v the_o same_o impression_n on_o the_o air_n or_o last_o that_o the_o atom_n which_o go_v out_o therefrom_o be_v not_o condition_v as_o they_o be_v and_o this_o colour_n can_v return_v to_o it_o except_o by_o the_o force_n of_o some_o exterior_a agent_n its_o particle_n retake_v the_o same_o place_n and_o the_o same_o situation_n as_o they_o occupy_v before_o the_o trituration_n as_o we_o take_v notice_n of_o it_o in_o blue_a vitriol_n which_o become_v white_a when_o reduce_v into_o powder_n and_o which_o retake_v its_o natural_a colour_n when_o this_o powder_n be_v dissolve_v in_o water_n and_o afterward_o cause_v to_o cristallize_v pyr._n he_o proceed_v with_o a_o objection_n like_o the_o former_a he_o say_v they_o can_v render_v a_o reason_n by_o acid_n and_o alkali_n of_o gravity_n light_n and_o several_a other_o quality_n which_o be_v call_v manifest_a and_o much_o less_o of_o those_o which_o be_v call_v occult_a as_o of_o the_o force_n of_o the_o loadstone_n on_o iron_n and_o of_o iron_n on_o the_o loadstone_n as_o well_o as_o several_a other_o phaenomena_n of_o the_o loadstone_n eub._n the_o gravity_n and_o levity_n of_o a_o body_n depend_v upon_o the_o more_o or_o less_o of_o vacuity_n that_o there_o be_v in_o that_o body_n according_a to_o mr._n boyle_n opinion_n in_o such_o manner_n that_o a_o body_n in_o which_o there_o be_v few_o vacuity_n be_v most_o weight_n as_o on_o the_o contrary_a that_o in_o which_o there_o be_v more_o vacuity_n be_v more_o light_a now_o the_o moreness_n or_o lessness_n of_o vacuity_n depend_v upon_o the_o moreness_n or_o lessness_n of_o the_o acid_n which_o there_o be_v in_o body_n for_o when_o there_o be_v a_o great_a deal_n of_o acid_n therein_o the_o pore_n of_o the_o alkali_n be_v fill_v therewith_o and_o when_o on_o the_o contrary_a there_o be_v but_o a_o very_a little_a acid_n those_o pore_n remain_v empty_a and_o consequent_o the_o gravity_n of_o a_o body_n depend_v upon_o the_o quantity_n of_o acid_n that_o be_v find_v therein_o and_o the_o levity_n upon_o the_o smallness_n of_o the_o acid_n and_o quantity_n of_o alkali_n which_o be_v find_v therein_o the_o abundance_n of_o caput_fw-la mort._n contribute_v much_o to_o the_o lightness_n of_o body_n as_o we_o observe_v in_o the_o firr-tree_n which_o be_v a_o very_a light_a wood_n and_o have_v much_o earth_n in_o it_o light_n be_v no_o other_o but_o a_o agitation_n of_o small_a point_a body_n which_o be_v pour_v out_o in_o the_o air_n and_o put_v all_o the_o part_n thereof_o in_o motion_n it_o be_v of_o the_o same_o nature_n with_o fire_n since_o it_o produce_v the_o same_o effect_n and_o that_o be_v reunite_v in_o a_o burning-glass_n it_o liquefy_v metal_n and_o calcines_fw-la stone_n as_o fire_n do_v which_o be_v acid_n as_o i_o have_v prove_v elsewhere_o and_o by_o consequence_n light_n ought_v also_o to_o be_v a_o acid_n since_o it_o have_v all_o the_o