however_o i_o make_v a_o shift_n to_o make_v a_o trial_n of_o this_o kind_n by_o which_o i_o find_v that_o a_o compact_a body_n weigh_v fifty_o eight_o grain_n in_o the_o air_n and_o in_o water_n six_o grain_n and_o three_o four_o part_n weigh_v in_o rectify_a spirit_n of_o humane_a blood_n but_o five_o grain_n and_o one_o four_o part_n and_o on_o this_o occasion_n i_o shall_v tell_v you_o what_o i_o presume_v you_o do_v not_o expect_v which_o be_v that_o notwithstanding_o the_o volatility_n of_o our_o spirit_n of_o blood_n i_o find_v that_o a_o pretty_a large_a piece_n of_o amber_n be_v put_v into_o it_o do_v not_o as_o most_o man_n will_v confident_o expect_v fall_v to_o the_o bottom_n of_o the_o liquor_n but_o keep_v itself_o float_v at_o the_o upper_a part_n of_o it_o and_o if_o plunge_v into_o it_o will_v emerge_n the_o next_o quality_n we_o refer_v to_o the_o consistence_n of_o our_o spirit_n of_o blood_n be_v the_o degree_n of_o its_o fluidity_n or_o if_o you_o please_v it_o 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grain_n shall_v in_o a_o few_o hour_n evaporate_v away_o especial_o be_v leave_v in_o a_o south_n window_n expose_v to_o the_o air_n in_o a_o flat_a piece_n of_o glass_n and_o yet_o several_a day_n after_o if_o i_o mistake_v not_o seven_o or_o eight_o i_o find_v the_o salt_n so_o little_o diminish_v as_o to_o its_o sensible_a bulk_n for_o i_o do_v not_o think_v fit_a to_o weigh_v it_o that_o it_o seem_v to_o have_v waste_v but_o little_a and_o yet_o what_o remain_v have_v scarce_o any_o odour_n at_o all_o that_o i_o who_o organ_n of_o smell_a be_v acute_a enough_o can_v well_o perceive_v notwithstanding_o which_o this_o white_a body_n retain_v a_o saline_a taste_n and_o a_o little_a of_o it_o be_v for_o trial_n sake_n put_v upon_o a_o solution_n of_o common_a sublimate_n in_o fair_a water_n ready_o turn_v it_o white_a so_o that_o it_o seem_v that_o the_o penetrant_fw-la and_o diffusive_a odour_n of_o the_o volatile_a salt_n of_o blood_n proceed_v from_o some_o particle_n much_o more_o subtle_a and_o fugitive_n than_o the_o other_o part_n that_o compose_v it_o but_o this_o experiment_n ought_v to_o be_v reiterated_a with_o differ_v quantity_n of_o salt_n by_o which_o mean_v perhaps_o a_o heedful_a observer_n may_v discover_v whether_o the_o comparative_a fixity_n of_o the_o salt_n that_o remain_v after_o the_o odorous_a particle_n be_v at_o least_o for_o the_o most_o part_n fly_v away_o may_v not_o arise_v from_o their_o coalition_n with_o some_o acid_n corpuscle_n that_o be_v wont_a to_o rove_v up_o and_o down_o in_o the_o air_n and_o adhere_v to_o body_n dispose_v to_o admit_v their_o action_n to_o the_o same_o title_n experiment_n 3_o a_o dram_n of_o volatile_a salt_n of_o humane_a blood_n sublime_v in_o a_o lamp_n furnace_n be_v put_v into_o as_o much_o common_a water_n as_o in_o a_o narrow_a cylindrical_a glass_n serve_v to_o cover_v the_o whole_a ball_n of_o our_o standard_n or_o gage_v thermoscope_n and_o when_o after_o this_o have_v stand_v a_o while_n in_o the_o water_n to_o be_v bring_v to_o its_o temper_n we_o put_v in_o the_o above_o mention_v salt_n the_o tinct_a spirit_n of_o wine_n manifest_o subside_v about_o two_o ten_o part_n of_o a_o inch_n and_o probable_o will_v have_v fall_v low_a if_o there_o have_v be_v more_o water_n in_o the_o vessel_n to_o make_v a_o seasonable_a solution_n of_o the_o salt_n whereof_o a_o considerable_a part_n lie_v undissolved_a at_o the_o bottom_n to_o the_o same_o title_n experiment_n 4._o when_o we_o perceive_v the_o liquor_n to_o subside_o no_o more_o we_o put_v to_o it_o by_o degree_n some_o strong_a spirit_n of_o nitre_n till_o it_o will_v no_o long_o make_v any_o manifest_a conflict_n with_o the_o dissolve_v salt_n the_o event_n of_o which_o trial_n be_v that_o the_o liquor_n in_o the_o thermoscope_n begin_v present_o to_o mount_v and_o continue_v to_o do_v so_o as_o long_o as_o the_o conflict_n last_v at_o the_o end_n of_o which_o we_o find_v by_o measure_n that_o it_o have_v ascend_v more_o than_o three_o inch_n and_o a_o half_a above_o the_o station_n it_o rest_v at_o when_o the_o ebullition_n begin_v to_o the_o same_o title_n experiment_n 5._o the_o figuration_n of_o the_o volatile_a salt_n of_o humane_a blood_n may_v be_v consider_v either_o in_o regard_n of_o the_o single_a grain_n or_o of_o that_o aggregate_v of_o they_o which_o when_o they_o be_v make_v to_o ascend_v to_o the_o top_n of_o the_o glass_n may_v be_v call_v its_o sublimate_n the_o latter_a of_o these_o may_v be_v best_a observe_v when_o the_o saline_n exhalation_n first_o ascend_v and_o fasten_v themselves_o to_o the_o inside_n of_o the_o blind_a head_n or_o other_o glass_n that_o be_v set_v to_o receive_v they_o for_o though_o towards_o the_o end_n of_o the_o operation_n
though_o it_o be_v blacken_v by_o the_o ascend_a fume_n wherefore_o we_o take_v it_o out_o and_o mix_v it_o with_o the_o remain_a substance_n that_o be_v less_o remote_a from_o the_o nature_n of_o a_o true_a caput_fw-la mortuum_n it_o be_v again_o in_o another_o retort_n commit_v to_o distillation_n whereby_o we_o obtain_v more_o oil_n etc._n etc._n and_o perceive_v that_o even_o this_o seem_a caput_fw-la mortuum_n have_v at_o the_o top_n of_o it_o a_o pretty_a deal_n of_o matter_n that_o i_o do_v not_o think_v sufficient_o dispirited_a if_o i_o may_v so_o speak_v i_o cause_v it_o to_o be_v take_v out_o and_o distil_v in_o a_o fresh_a retort_n in_o which_o it_o afford_v a_o not_o contemptible_a quantity_n of_o volatile_a matter_n have_v thus_o prepare_v you_o not_o to_o expect_v any_o thing_n of_o accurateness_n in_o the_o determination_n of_o the_o quantity_n of_o the_o differ_a substance_n obtainable_a even_o from_o dry_a humane_a blood_n that_o i_o may_v assist_v you_o to_o make_v some_o guess_n at_o it_o that_o may_v approach_v somewhat_o â—ear_a the_o truth_n i_o will_v inform_v you_o that_o have_v thus_o in_o three_o retort_v distil_v 24_o ounce_n of_o dry_a humane_a blood_n we_o obtain_v of_o volatile_a substance_n i_o mean_v spirit_n together_o with_o a_o little_a phlegm_n white_a salt_n and_o very_o high_a colour_a oil_n â„¥_o xiij_o and_o a_o dram_n beside_o several_a parcel_n of_o thick_a oil_n that_o stick_v to_o the_o retort_v and_o the_o receiver_n which_o we_o estimate_v at_o seven_o dram_n more_o so_o that_o the_o whole_a quantity_n of_o the_o volatile_a part_n amount_v to_o fourteen_o ounce_n of_o which_o we_o find_v the_o oil_n to_o be_v about_o â„¥_o iij._o +_o Ê’uj_fw-la and_o the_o clear_a liquor_n which_o though_o probable_o not_o without_o some_o phlegm_n may_v deserve_v the_o name_n of_o spirit_n because_o it_o be_v full_o satiate_v with_o saline_n and_o spirituous_a part_n to_o be_v â„¥_o vi_fw-mi +_o Ê’iijss_n beside_o the_o volatile_a salt_n which_o when_o the_o spirit_n be_v drain_v from_o it_o appear_v white_a but_o wet_a for_o which_o reason_n it_o be_v not_o possible_a to_o determine_v exact_o neither_o how_o much_o liquor_n it_o yet_o retain_v nor_o consequent_o how_o much_o itself_o weigh_v but_o you_o may_v guess_v pretty_a near_o the_o truth_n when_o i_o shall_v have_v tell_v you_o that_o have_v careful_o sublime_v the_o salt_n there_o remain_v in_o the_o glass_n Ê’ij_fw-la and_o about_o five_o grain_n of_o phlegmatic_a liquor_n which_o be_v not_o judge_v devoid_a of_o salt_n tho'_o it_o can_v not_o by_o that_o operation_n be_v separate_v and_o of_o volatile_a salt_n in_o a_o dry_a form_n we_o obtain_v â„¥_o j_o +_o Ê’ijss_o the_o caput_fw-la mortuum_n amount_v to_o â„¥_o viij_o and_o somewhat_o better_a which_o be_v calcine_v for_o two_o day_n together_o afford_v not_o white_a but_o only_o brownish_a red_a ash_n whence_o we_o obtain_v Ê’vij_fw-la and_o a_o quarter_n of_o white_a and_o fix_v title_n but_o not_o true_o lixiviate_v salt_n and_o as_o be_v late_o note_v to_o another_o purpose_n under_o the_o next_o forego_n title_n Ê’ij_fw-la and_o nine_o grain_n of_o earth_n in_o this_o troublesome_a experiment_n there_o occur_v so_o many_o necessary_a operation_n in_o each_o of_o which_o we_o can_v scarce_o possible_o avoid_v lose_v some_o and_o now_o and_o then_o a_o considerable_a portion_n of_o the_o matter_n we_o handle_v that_o if_o you_o have_v be_v present_a at_o the_o trial_n perhaps_o you_o will_v not_o think_v it_o strange_a that_o i_o shall_v write_v as_o i_o do_v a_o little_a above_o that_o i_o think_v it_o a_o very_a difficult_a thing_n in_o practice_n to_o determine_v exact_o the_o proportion_n of_o the_o differ_a substance_n that_o may_v be_v chemical_o obtain_v by_o vulgar_o know_v operation_n from_o a_o propose_a parcel_n of_o humane_a blood_n especial_o since_o i_o think_v that_o it_o be_v without_o sufficient_a ground_n that_o chemist_n do_v universal_o take_v it_o for_o grant_v that_o in_o distillation_n careful_o make_v the_o matter_n that_o pass_v into_o the_o receiver_n or_o at_o least_o ascend_v together_o with_o the_o remain_v or_o caput_fw-la mortuum_n amount_v to_o just_a the_o weight_n that_o the_o entire_a body_n have_v before_o distillation_n which_o paradox_n i_o endeavour_v to_o make_v high_o probable_a if_o not_o certain_a in_o another_o paper_n that_o belong_v not_o to_o the_o present_a collection_n the_o three_o part_n contain_v promiscuous_a experiment_n and_o observation_n about_o the_o serum_n of_o healthy_a man_n blood_n whereof_o the_o first_o may_v be_v refer_v to_o the_o sixteen_o and_o most_o of_o the_o rest_n to_o the_o seventeen_o of_o the_o title_n of_o the_o first_o order_n since_o the_o division_n that_o nature_n herself_o make_v of_o humane_a blood_n when_o be_v let_v out_o of_o the_o vein_n it_o be_v suffer_v to_o refrigerate_v and_o settle_v be_v into_o a_o fluid_a or_o serous_a and_o a_o consistent_a or_o fibrous_a part_n and_o since_o it_o be_v find_v that_o oftentimes_o the_o former_a of_o these_o part_v either_o equal_n or_o exceed_v the_o latter_a in_o quantity_n i_o think_v it_o may_v probable_o much_o conduce_v to_o the_o better_a discovery_n of_o the_o nature_n of_o the_o blood_n to_o make_v some_o trial_n upon_o the_o serum_n by_o itself_o of_o which_o it_o will_v not_o i_o hope_v be_v useless_a to_o give_v a_o summary_n account_v in_o the_o follow_a promiscuous_a observation_n that_o be_v make_v only_o upon_o the_o serum_n or_o whey_n of_o the_o blood_n of_o person_n presume_v to_o be_v sound_a 1._o have_v separately_z weigh_v the_o serum_n and_o the_o consistent_a part_n of_o a_o parcel_n of_o humane_a blood_n obtain_v at_o once_o by_o a_o single_a phlebotomy_n we_o find_v the_o latter_a to_o weigh_v â„¥_o four_o +_o Ê’viss_v and_o the_o former_a â„¥_o iij_o +_o Ê’uj_fw-la and_o have_v make_v the_o like_a trial_n with_o another_o parcel_n of_o blood_n draw_v from_o another_o person_n the_o fibrous_a part_n weigh_v â„¥_o four_o +_o Ê’v_fw-mi and_o the_o serum_n four_o ounce_n but_o tho'_o in_o both_o these_o trial_n the_o weight_n of_o serum_n that_o appear_v in_o one_o mass_n be_v inferior_a to_o that_o of_o the_o fibrous_a part_n yet_o it_o will_v not_o be_v safe_o infer_v that_o absolute_o speak_v the_o fibrous_a part_n of_o either_o of_o these_o parcel_n of_o blood_n exceed_v the_o other_o since_o we_o weigh_v only_o the_o serum_n that_o we_o find_v in_o a_o distinct_a mass_n whereas_o a_o multitude_n of_o serous_a particle_n may_v well_o be_v suppose_v to_o be_v lodge_v between_o the_o part_n of_o the_o consistent_a mass_n or_o portion_n of_o the_o blood_n since_o beside_o that_o it_o be_v probable_o upon_o the_o account_n of_o the_o interspersed_a serosity_n very_o soft_a it_o afford_v a_o great_a deal_n of_o aqueous_a liquor_n 2._o this_o may_v sufficient_o appear_v by_o the_o follow_a experiment_n which_o be_v purposely_o make_v to_o examine_v this_o conjecture_n we_o take_v a_o porringer_n of_o blood_n wherein_o the_o serum_n be_v separate_v from_o the_o fibrous_a portion_n that_o be_v coagulate_v into_o one_o consistent_a mass_n and_o have_v careful_o pour_v off_o all_o the_o fluid_a part_n we_o put_v the_o remain_a mass_n which_o weigh_v â„¥_o four_o +_o Ê’_n v_o v_o 34_o gr_n into_o a_o small_a head_n and_o body_n and_o distil_v it_o in_o the_o digestive_a furnace_n till_o the_o matter_n leave_v in_o the_o bottom_n of_o the_o cucurbite_n be_v quite_o dry_a which_o it_o do_v appear_v to_o be_v long_o before_o it_o be_v so_o indeed_o then_o take_v out_o the_o separate_a part_n of_o this_o red_a mass_n the_o dry_a portion_n be_v find_v to_o weigh_v but_o â„¥_o j_o +_o Ê’iij_fw-la +_o 34_o gr_n whereas_o the_o serous_a liquor_n that_o pass_v into_o the_o receiver_n and_o be_v lympid_a and_o aqueous_a without_o any_o show_n of_o salt_n or_o oil_n amount_v to_o â„¥_o iij_o +_o 53_o gr_n for_o further_a satisfaction_n we_o repeat_v this_o experiment_n with_o the_o fibrous_a part_n of_o another_o parcel_n of_o humane_a blood_n and_o find_v the_o dry_a mass_n remain_v in_o the_o cucurbite_n to_o weigh_v but_o â„¥_o j_o +_o Ê’uj_fw-la +_o 50_o gr_n whereas_o the_o phlegmatic_a liquor_n distil_v from_o it_o amount_v to_o â„¥_o seven_o that_o be_v to_o more_o than_o three_o time_n and_o a_o half_a as_o much_o as_o the_o dry_a part_n 3._o have_v hydrostatical_o examine_v the_o serum_n of_o humane_a blood_n we_o find_v it_o heavy_a than_o common_a water_n for_o a_o piece_n of_o red_a sealing-wax_n be_v suspend_v in_o a_o good_a balance_n by_o a_o horsehair_n be_v find_v in_o the_o air_n to_o weigh_v Ê’j_fw-la +_o 56._o gr_n and_o the_o water_n 35_o gr_n but_o do_v in_o the_o serum_n weigh_v but_o 33_o gr_n this_o trial_n be_v confirm_v by_o a_o more_o exact_a one_o make_v with_o a_o instrument_n that_o i_o
purposely_o cause_v to_o be_v make_v for_o weigh_v liquor_n nice_o in_o which_o when_o common_a water_n weigh_v 253_o grain_n a_o equal_a bulk_n of_o serum_n weigh_v 302._o and_o because_o i_o suppose_v that_o all_o serum_n of_o humane_a blood_n will_v not_o be_v of_o equal_a specific_a gravity_n i_o think_v fit_a to_o try_v that_o of_o the_o blood_n of_o another_o person_n in_o the_o same_o instrument_n and_o find_v it_o to_o weigh_v two_o grain_n less_o that_o be_v 300_o grain_n in_o all_o 4._o we_o once_o employ_v some_o serum_n that_o can_v not_o be_v or_o at_o least_o be_v not_o pour_v off_o so_o clear_a but_o that_o it_o appear_v of_o a_o red_a colour_n and_o tho'_o we_o filter_v it_o through_o cap-paper_n yet_o a_o good_a number_n of_o the_o ting_a corpuscle_n be_v so_o thorough_o mingle_v with_o it_o that_o the_o liquor_n pass_v through_o the_o filtre_n of_o a_o yellow_a colour_n 5._o to_o try_v whether_o acid_n will_v coagulate_v our_o serum_n as_o i_o have_v find_v they_o will_v some_o other_o animal_n liquor_n i_o drop_v into_o it_o some_o spirit_n of_o salt_n which_o do_v immediate_o produce_v with_o it_o some_o white_a concretion_n that_o quick_o subside_v to_o the_o bottom_n and_o there_o when_o there_o be_v a_o pretty_a quantity_n of_o they_o appear_v like_o a_o very_a light_n and_o tender_a cheese-curd_n the_o like_a operation_n but_o more_o powerful_a have_v oil_n of_o vitriol_n upon_o another_o parcel_n of_o our_o serum_n 6._o we_o drop_v into_o some_o of_o our_o liquor_n good_a spirit_n of_o sal-armoniac_a which_o as_o we_o expect_v rather_o make_v it_o more_o fluid_a than_o do_v appear_v to_o coagulate_v it_o as_o the_o acid_n liquor_n have_v do_v 7._o to_o try_v whether_o these_o precipitation_n do_v not_o more_o proceed_v from_o the_o coalition_n and_o texture_n of_o the_o acid_n salt_n and_o the_o serum_n than_o bare_o from_o the_o peculiar_a action_n of_o those_o salt_n as_o acid_n we_o drop_v into_o another_o portion_n of_o our_o serum_n a_o strong_a alcalisate_n salt_n viz._n oil_n of_o tartar_n per_fw-la deliquium_fw-la which_o instant_o produce_v a_o white_a curd_n as_o the_o spirit_n of_o salt_n have_v do_v but_o not_o as_o it_o seem_v to_o we_o so_o copious_o 8._o we_o pour_v also_o upon_o some_o serum_n high_o rectify_v spirit_n of_o wine_n which_o as_o we_o expect_v do_v present_o coagulate_v some_o part_n of_o it_o into_o a_o white_a curd_n that_o be_v copious_a enough_o but_o appear_v much_o light_a than_o either_o of_o the_o former_a since_o it_o will_v not_o like_v they_o subside_o but_o keep_v at_o the_o top_n of_o the_o liquor_n 9_o to_o try_v also_o what_o a_o salt_n compound_v with_o a_o metal_n will_v do_v upon_o our_o serum_n we_o put_v to_o it_o a_o little_a strong_a solution_n of_o sublimate_n with_o which_o it_o present_o afford_v a_o white_a and_o curdle_a substance_n we_o put_v some_o of_o our_o serum_n upon_o some_o file_n of_o mars_n but_o by_o reason_n of_o the_o colour_n of_o the_o liquor_n itself_o we_o can_v not_o satisfy_v ourselves_o about_o the_o event_n and_o tho'_o we_o afterward_o put_v another_o parcel_n of_o serum_n upon_o file_n of_o the_o same_o metal_n yet_o neither_o do_v this_o give_v we_o satisfaction_n in_o regard_n the_o vial_n have_v be_v mislay_v be_v not_o look_v upon_o again_o till_o many_o day_n after_o at_o which_o time_n the_o liquor_n be_v grow_v so_o thick_a and_o muddy_a that_o we_o can_v not_o well_o discern_v any_o more_o of_o the_o colour_n than_o that_o it_o be_v somewhat_o dark_a but_o not_o either_o black_a or_o blackish_a yet_o by_o a_o trial_n or_o two_o that_o we_o make_v with_o a_o little_a of_o this_o liquor_n it_o seem_v to_o have_v make_v a_o solution_n of_o some_o part_n of_o the_o steel_n for_o put_v it_o to_o some_o fresh_a infusion_n of_o gall_n make_v with_o water_n it_o present_o afford_v a_o copious_a precipitate_v but_o this_o be_v so_o far_o from_o be_v inky_a that_o it_o be_v not_o so_o much_o as_o dark_v colour_v but_o rather_o whitish_a at_o which_o some_o analogous_a experiment_n mention_v in_o another_o treatise_n that_o i_o former_o make_v keep_v i_o from_o wonder_v yet_o i_o shall_v not_o omit_v to_o add_v on_o this_o occasion_n that_o have_v mix_v with_o some_o of_o our_o impregnated_a serum_n a_o convenient_a quantity_n of_o infusion_n of_o gall_n make_v in_o a_o high_o rectify_v vinous_a spirit_n the_o two_o liquor_n do_v not_o only_o afford_v a_o kind_n of_o coagulum_fw-la or_o precipitate_v but_o be_v leave_v together_o for_o some_o hour_n associate_v into_o a_o consistent_a body_n wherein_o the_o eye_n discover_v no_o distinct_a liquor_n at_o all_o 10._o but_o expect_v more_o clear_a success_n by_o put_v some_o of_o our_o liquor_n upon_o file_n of_o copper_n which_o when_o wrought_v upon_o by_o body_n that_n have_v in_o they_o any_o thing_n of_o urinous_a salt_n be_v wont_a to_o give_v a_o conspicuous_a tincture_n we_o according_o find_v that_o the_o metal_n have_v in_o a_o very_a few_o hour_n discolour_a the_o menstruum_fw-la and_o afterward_o the_o vial_n be_v leave_v unstop_v that_o the_o air_n may_v have_v access_n to_o the_o liquor_n it_o begin_v by_o degree_n to_o grow_v more_o and_o more_o blue_n and_o within_o a_o day_n after_o be_v of_o a_o deep_a ceruleous_a colour_n 11._o and_o to_o be_v confirm_v in_o our_o conjecture_n that_o this_o tincture_n proceed_v from_o some_o particle_n of_o volatile_a salt_n latent_fw-la in_o the_o liquor_n we_o mix_v some_o of_o it_o with_o a_o convenient_a quantity_n of_o syrup_n of_o violet_n and_o thereby_o obtain_v what_o we_o look_v for_o namely_o a_o colour_n which_o by_o reason_n of_o the_o action_n of_o those_o particle_n upon_o the_o syrup_n appear_v of_o a_o fine_a green_n 12._o the_o blue_a tincture_n or_o solution_n of_o copper_n mention_v number_n the_o 10_o i_o think_v fit_a to_o keep_v for_o some_o time_n to_o try_v whether_o the_o metalline_a particle_n will_v as_o it_o be_v embalm_v the_o serum_n they_o be_v disperse_v through_o and_o preserve_v the_o liquor_n from_o putrefaction_n and_o in_o effect_n tho'_o the_o vial_n be_v leave_v unstop_v in_o a_o window_n in_o my_o bedchamber_n for_o many_o week_n yet_o i_o who_o organ_n of_o smell_a be_v very_o tender_a and_o who_o do_v often_o put_v the_o vial_n to_o my_o nose_n do_v not_o perceive_v the_o liquor_n to_o grow_v at_o all_o stink_a 13._o about_o â„¥_o ij_o by_o guess_n of_o serum_n of_o humane_a blood_n be_v leave_v in_o a_o unstopped_a vial_n which_o they_o more_o than_o half_o fill_v for_o twenty_o day_n or_o three_o week_n and_o though_o the_o glass_n usual_o stand_v in_o a_o south_n window_n and_o in_o the_o month_n of_o july_n yet_o somewhat_o to_o our_o wonder_n the_o serum_n do_v not_o by_o the_o smell_n appear_v putrefy_v and_o yet_o have_v let_v fall_v a_o considerable_a quantity_n of_o whitish_a sediment_n but_o within_o three_o or_o four_o day_n after_o this_o the_o liquor_n be_v find_v to_o stink_v offensive_o wherefore_o we_o try_v whether_o this_o more_o than_o incipient_fw-la putrefaction_n be_v accompany_v with_o any_o acidity_n but_o can_v not_o perceive_v that_o it_o be_v since_o it_o will_v not_o so_o much_o as_o take_v off_o the_o blue_a colour_n of_o the_o infusion_n of_o lignum_fw-la nephriticum_fw-la or_o our_o succedaneum_n to_o it_o when_o it_o be_v in_o this_o state_n we_o put_v it_o to_o distil_v in_o a_o low_a cucurbite_n with_o a_o gentle_a fire_n to_o try_v if_o from_o this_o fetid_v liquor_n as_o be_v usual_a from_o putrefy_v urine_n the_o spirit_n will_v first_o ascend_v but_o we_o find_v the_o liquor_n that_o first_o come_v over_o to_o be_v so_o little_a spirituous_a or_o saline_n that_o it_o will_v not_o in_o a_o hour_n time_n turn_v syrup_n of_o violet_n green_a but_o yet_o we_o judge_v it_o not_o quite_o destitute_a of_o volatile_a alcaly_a because_o have_v let_v fall_v some_o of_o it_o into_o a_o good_a solution_n of_o sublimate_n it_o present_o make_v at_o white_a precipitate_v 14._o we_o take_v some_o ounce_n of_o serum_n of_o humane_a blood_n filter_v through_o cap_n paper_n to_o free_v it_o from_o all_o concrete_v substance_n and_o have_v commit_v it_o to_o distillation_n in_o a_o small_a retort_n placee_v in_o a_o sand_n furnace_n we_o obtain_v only_o a_o few_o large_a drop_n of_o a_o darkish_a red_a oil_n some_o of_o which_o subside_v to_o the_o bottom_n of_o the_o other_o liquor_n but_o the_o great_a part_n swim_v upon_o it_o we_o obtain_v in_o this_o first_o distillation_n no_o volatile_a salt_n in_o a_o dry_a form_n but_o after_o a_o pretty_a deal_n of_o insipid_a phlegm_n have_v be_v draw_v off_o there_o come_v over_o a_o good_a proportion_n of_o spirituous_a liquor_n which_o smell_v almost_o like_o the_o spirit_n of_o blood_n and_o
substance_n that_o be_v afford_v by_o the_o body_n of_o man_n i_o can_v with_o file_n of_o copper_n make_v a_o experiment_n very_o analogous_a to_o that_o above_o relate_v but_o because_o in_o this_o trial_n the_o reiterated_a contact_n of_o the_o air_n produce_v in_o the_o liquor_n not_o a_o ceruleous_a but_o a_o green_a colour_n i_o be_o willing_a to_o suspend_v my_o judgement_n about_o the_o problem_n late_o propose_v till_o experience_n shall_v have_v further_o inform_v i_o i_o know_v not_o whether_o it_o will_v be_v worth_a while_n to_o relate_v that_o have_v in_o a_o unstop_v glass_n put_v some_o spirit_n of_o humane_a blood_n into_o a_o receiver_n place_v upon_o our_o pneumatick_a engine_n and_o withdraw_v the_o incumbent_a air_n by_o pump_v the_o spirit_n of_o blood_n seem_v to_o afford_v lesser_a and_o few_o aereal_a bubble_n than_o such_o a_o quantity_n of_o common_a water_n itself_o will_v probable_o have_v do_v but_o as_o i_o late_o intimate_v i_o know_v not_o whether_o this_o observation_n be_v considerable_a because_o be_v not_o willing_a to_o weaken_v by_o expose_v it_o a_o fresh_a parcel_n of_o spirit_n i_o know_v not_o whether_o the_o paucity_n of_o air_n observe_v in_o that_o late_o mention_v be_v accidental_a or_o not_o the_o fourteen_o secondary_a title_n of_o the_o hostility_n of_o the_o spirit_n of_o humane_a blood_n to_o acid_n whether_o they_o be_v in_o the_o form_n of_o liquor_n or_o fume_n that_o there_o be_v in_o the_o spirit_n of_o humane_a blood_n such_o a_o thing_n as_o a_o chemist_n or_o a_o vulgar_a philosopher_n will_v call_v hostility_n or_o a_o antipathy_n in_o reference_n to_o acid_n have_v be_v plain_o enough_o though_o very_o brief_o intimate_v in_o a_o passage_n belong_v to_o the_o three_o of_o the_o precedent_a title_n but_o yet_o it_o may_v not_o be_v impertinent_a to_o add_v in_o this_o place_n that_o our_o spirit_n of_o humane_a blood_n exercise_v this_o hostility_n against_o more_o than_o one_o sort_n of_o acid_n spirit_n though_o perhaps_o they_o differ_v not_o a_o little_a from_o one_o another_o as_o spirit_n of_o salt_n spirit_n of_o nitre_n spirit_n and_o oil_n of_o vitriol_n aqua_fw-la fortis_fw-la aqua_fw-la regius_fw-la etc._n etc._n and_o not_o only_o against_o factitious_a acid_n but_o against_o natural_a one_o too_o the_o spirit_n of_o humane_a blood_n may_v discover_v a_o manifest_a hostility_n as_o i_o find_v by_o the_o conflict_n it_o will_v make_v with_o new_o express_a juice_n of_o lemon_n which_o it_o will_v put_v into_o a_o confuse_a agitation_n accompany_v with_o bubble_n and_o this_o be_v yet_o the_o more_o evident_a when_o i_o employ_v the_o volatile_a salt_n of_o blood_n that_o be_v the_o spirit_n in_o a_o dry_a form_n for_o have_v squeeze_v upon_o a_o parcel_n of_o this_o some_o juice_n of_o lemon_n there_o be_v present_o excite_v a_o great_a commotion_n accompany_v not_o only_o with_o froth_n but_o with_o noise_n but_o to_o return_v to_o the_o strong_o acid_n liquor_n make_v by_o distillation_n whether_o the_o great_a commotion_n and_o froth_n and_o hiss_a noise_n that_o usual_o follow_v upon_o the_o mix_n of_o spirit_n of_o humane_a blood_n with_o any_o of_o these_o menstruum_n do_v proceed_v from_o a_o true_a hostility_n or_o a_o antipathy_n deserve_o so_o call_v or_o else_o be_v a_o motion_n to_o coalescence_n or_o union_n or_o a_o effect_n of_o the_o disturb_a motion_n proper_a to_o the_o differ_v but_o now_o confound_v liquor_n or_o last_o a_o consequent_a of_o some_o impediment_n which_o the_o new_a texture_n of_o the_o mingle_a liquor_n give_v to_o the_o free_a passage_n of_o some_o aethereal_a or_o other_o subtle_a permeate_a matter_n or_o fluid_n i_o shall_v not_o take_v upon_o i_o to_o determine_v but_o rather_o to_o what_o i_o late_o tell_v you_o of_o the_o at_o least_o seem_a contrariety_n of_o the_o spirit_n of_o humane_a blood_n to_o acid_n spirit_n i_o shall_v add_v what_o perhaps_o you_o do_v not_o expect_v that_o this_o hostility_n extend_v even_o to_o the_o invisible_a effluvia_fw-la or_o emanation_n of_o these_o liquor_n as_o may_v be_v ready_o see_v by_o the_o follow_a way_n that_o i_o long_o since_o pitch_v upon_o to_o make_v it_o not_o only_o visible_a but_o manifest_a this_o be_v easy_o do_v by_o put_v any_o strong_a acid_n spirit_n as_o of_o salt_n or_o of_o nitre_n etc._n etc._n into_o a_o vial_n somewhat_o wide-mouthed_a and_o some_o well_o dephlegm_v spirit_n of_o blood_n into_o another_o for_o when_o i_o purposely_o incline_v these_o glass_n so_o towards_o one_o another_o that_o their_o lip_n do_v almost_o touch_v and_o their_o respective_a liquor_n be_v ready_a to_o run_v out_o though_o neither_o of_o the_o liquor_n do_v at_o all_o visible_o fume_n whilst_o they_o be_v keep_v asunder_o though_o the_o glass_n be_v unstop_v yet_o as_o soon_o as_o the_o liquor_n come_v to_o be_v approach_v in_o the_o way_n just_a now_o mention_v the_o fume_n meet_v each_o other_o in_o the_o air_n will_v make_v little_a coalition_n which_o will_v be_v manifest_o visible_a in_o the_o form_n of_o ascend_a smoke_n which_o be_v wont_n at_o first_o to_o surprise_v the_o delight_a spectator_n and_o this_o production_n of_o smoke_n will_v continue_v a_o good_a while_n if_o the_o vial_n be_v not_o sever_v to_o make_v it_o cease_v which_o upon_o their_o remove_n it_o will_v present_o do_v i_o have_v divers_a time_n practise_v a_o more_o easy_a way_n of_o make_v these_o fume_n conspicuous_a but_o it_o belong_v more_o to_o another_o paper_n and_o what_o have_v be_v now_o deliver_v may_v suffice_v for_o my_o present_a purpose_n yet_o it_o may_v not_o be_v improper_a to_o take_v this_o occasion_n to_o acquaint_v you_o with_o a_o experiment_n that_o i_o make_v to_o observe_v what_o the_o contrary_a salt_n that_o abound_v in_o our_o spirit_n of_o blood_n and_o in_o some_o acid_n liquor_n will_v produce_v when_o they_o be_v combine_v and_o bring_v into_o a_o dry_a form_n i_o shall_v therefore_o annex_v a_o transcript_n of_o the_o experiment_n i_o speak_v of_o as_o i_o find_v it_o register_v in_o one_o of_o my_o note_n book_n we_o take_v some_o pure_a volatile_a salt_n of_o humane_a blood_n and_o have_v just_o satiate_v it_o with_o spirit_n of_o nitre_n we_o slow_o evaporate_v away_o the_o superfluous_a moisture_n that_o the_o acid_n and_o urinous_a salt_n may_v be_v unite_v into_o a_o dry_a concretion_n from_o which_o my_o design_n be_v to_o separate_v they_o again_o the_o salt_n of_o blood_n in_o its_o pristine_a form_n and_o the_o spirit_n of_o nitre_n in_o the_o form_n of_o saltpetre_n to_o effect_v this_o we_o put_v the_o compound_a salt_n into_o a_o small_a bolt-head_n with_o a_o long_a and_o slender_a neck_n and_o then_o add_v to_o it_o a_o convenient_a quantity_n of_o salt_n of_o tartar_n and_o as_o much_o distil_a water_n as_o will_v suffice_v to_o make_v the_o mixture_n somewhat_o liquid_a to_o promote_v the_o action_n of_o the_o contrary_a salt_n upon_o one_o another_o by_o which_o mutual_a action_n we_o suppose_v that_o the_o saline_n spirit_n of_o nitre_n be_v more_o congruous_a to_o the_o fix_a salt_n than_o to_o the_o volatile_a will_v forsake_v the_o salt_n of_o blood_n which_o it_o detain_v before_o from_o fly_v away_o and_o give_v it_o leave_v to_o sublime_a and_o according_o have_v keep_v the_o glass_n wherein_o the_o mixture_n be_v make_v for_o a_o competent_a time_n in_o a_o convenient_a heat_n we_o obtain_v what_o we_o look_v for_o since_o a_o good_a proportion_n of_o fine_a volatile_a salt_n ascend_v in_o a_o dry_a form_n into_o the_o neck_n have_v put_v to_o some_o of_o the_o spirit_n of_o humane_a blood_n a_o small_a quantity_n of_o exceed_v strong_a spirit_n of_o nitre_n there_o be_v upon_o the_o conflict_n of_o the_o two_o liquor_n excite_v so_o great_a a_o quantity_n of_o thick_a white_a fume_n that_o i_o can_v not_o but_o wonder_n at_o it_o have_v never_o see_v any_o thing_n of_o that_o kind_a comparable_a to_o it_o and_o these_o fume_n circulate_v long_o in_o the_o cavity_n of_o the_o glass_n whereof_o perhaps_o a_o ten_o part_n be_v full_a of_o liquor_n do_v many_o of_o they_o though_o the_o vessel_n be_v wide-mouthed_a fall_v back_o and_o run_v down_o the_o side_n of_o the_o glass_n into_o the_o stagnant_a mixture_n as_o if_o they_o have_v compose_v stream_n of_o a_o milky_a liquor_n and_o when_o at_o length_n after_o these_o fume_n have_v disappear_v we_o drop_v in_o a_o little_a more_o of_o the_o same_o smoke_a spirit_n of_o nitre_n the_o like_a strange_a plenty_n of_o white_a exhalation_n do_v present_o ensue_v and_o continue_v to_o circulate_v a_o great_a while_n in_o the_o open_a glass_n the_o mixture_n in_o the_o mean_a while_n appear_v red_a be_v settle_v and_o seem_v to_o have_v be_v so_o discolour_a by_o a_o fattish_a substance_n we_o put_v to_o it_o a_o little_a rain_n
put_v into_o a_o retort_n and_o distil_v in_o sand_n by_o degree_n of_o fire_n afford_v Ê’ij+_n 48._o gr_n of_o oil_n but_o there_o happen_v a_o unlucky_a mistake_n about_o the_o salt_n and_o spirit_n for_o after_o the_o latter_a be_v pour_v off_o which_o weigh_v but_o 48._o gr_n the_o wet_a salt_n which_o stick_v in_o good_a quantity_n to_o the_o lateral_a and_o upper_a part_n of_o the_o receiver_n instead_o of_o have_v be_v wash_v out_o as_o it_o shall_v have_v be_v with_o the_o phlegm_n of_o the_o same_o blood_n be_v wash_v out_o with_o distil_a water_n whence_o we_o obtain_v by_o sublimation_n into_o the_o neck_n of_o a_o glass_n egg_n Ê’j+_n 5._o gr_n of_o dry_a salt_n but_o by_o the_o taste_n of_o the_o distil_a water_n whence_o it_o be_v sublime_v it_o appear_v that_o all_o the_o salt_n have_v not_o be_v raise_v which_o invite_v i_o to_o put_v to_o it_o as_o much_o good_a spirit_n of_o salt_n as_o i_o suppose_v to_o be_v at_o least_o sufficient_a to_o satiate_v it_o with_o design_n to_o try_v whether_o by_o evaporate_n this_o mixture_n to_o dryness_n and_o sublime_a salt_n by_o the_o help_n of_o a_o alcaly_a we_o may_v not_o recover_v all_o or_o almost_o all_o the_o volatile_a salt_n that_o have_v be_v somewhat_o fix_v by_o the_o acid_n spirit_n the_o retort_n be_v cut_v that_o the_o caput_fw-la mortuum_n may_v be_v take_v out_o it_o be_v find_v to_o weigh_v Ê’uj+_n 12._o gr_n which_o be_v careful_o calcine_v yield_v but_o two_o scruple_n and_o four_o grain_n of_o ash_n which_o the_o laborant_fw-la say_fw-la be_v red._n these_o be_v elixiviate_v afford_v eighteen_o grain_n of_o salt_n beside_o the_o remain_a earth_n or_o terrestrial_a substance_n which_o i_o keep_v by_o i_o because_o notwithstanding_o all_o the_o violence_n of_o fire_n it_o have_v undergo_v it_o be_v of_o a_o red_a colour_n which_o seem_v to_o some_o to_o have_v a_o eye_n of_o purple_a in_o it_o experiment_n belong_v to_o the_o primary_n title_n of_o the_o natural_a history_n of_o humane_a blood_n experiment_n iii_o spirit_n of_o vinegar_n be_v put_v upon_o the_o florid_n superficies_n of_o a_o parcel_n of_o humane_a blood_n do_v very_o quick_o deprive_v it_o of_o its_o fresh_a scarlet_a colour_n and_o make_v it_o of_o a_o dark_a or_o dirty_a colour_n experiment_n iu._n the_o juice_n of_o a_o lemon_n squeeze_v upon_o the_o florid_n surface_n of_o blood_n do_v present_o somewhat_o impair_v the_o colour_n but_o do_v not_o appear_v to_o alter_v it_o any_o thing_n near_o so_o much_o as_o the_o spirit_n of_o vinegar_n have_v do_v experiment_n v._n juice_n of_o orange_n change_v the_o colour_n of_o the_o florid_n surface_n of_o blood_n less_o than_o juice_n of_o lemmons_n have_v do_v experiment_n vi._n the_o black_a or_o low_a part_n of_o a_o portion_n of_o humane_a blood_n be_v turn_v uppermost_o and_o thereby_o expose_v to_o the_o air_n within_o half_a or_o three_o quarter_n of_o a_o hour_n somewhat_o more_o or_o less_o acquire_v by_o the_o contact_n of_o it_o a_o pleasant_a and_o florid_n colour_n experiment_n vii_o but_o if_o upon_o the_o black_a surface_n of_o the_o blood_n some_o good_a urinous_a spirit_n as_o that_o of_o salarmoniack_a be_v drop_v there_o will_v be_v a_o alteration_n produce_v in_o a_o trice_n and_o a_o pleasant_a red_a colour_n though_o perhaps_o somewhat_o inferior_a to_o that_o produce_v by_o the_o contact_n of_o the_o air_n will_v present_o appear_v on_o the_o surface_n of_o the_o blood_n experiment_n viii_o fix_a alcaly_n or_o lixiviate_v salt_n resolve_v per_fw-la deliquium_fw-la do_v likewise_o alter_v the_o black_a superficies_n of_o the_o blood_n to_o a_o red_a colour_n but_o not_o so_o florid_n or_o pleasant_a as_o that_o produce_v by_o the_o urinous_a spirit_n above_o mention_v experiment_n ix_o the_o fresh_o draw_v juice_n of_o the_o leave_n of_o scurvygrass_n be_v drop_v upon_o the_o black_a superficies_n of_o a_o lump_n of_o humane_a blood_n seem_v present_o to_o make_v some_o change_n in_o the_o colour_n of_o it_o make_v we_o judge_v it_o somewhat_o reddish_n and_o inclinable_a to_o floridness_n the_o seven_o forego_v note_n suppose_v it_o to_o be_v already_o know_v that_o when_o healthy_a blood_n be_v suffer_v to_o settle_v in_o a_o porringer_n that_o surface_n of_o the_o concrete_v part_n which_o be_v expose_v to_o the_o air_n will_v be_v adorn_v with_o a_o fine_a red_a colour_n and_o if_o the_o same_o mass_n be_v turn_v upside_o down_o that_o which_o before_o be_v the_o low_a surface_n of_o it_o will_v appear_v of_o a_o very_a dark_a and_o blackish_a colour_n experiment_n x._o have_v for_o trial_n sake_n almost_o fill_v a_o vial_n capable_a of_o contain_v by_o guess_n near_o a_o pound_n of_o humane_a blood_n with_o a_o mixture_n of_o that_o liquor_n and_o some_o rectify_v spirit_n of_o wine_n who_o proportion_n i_o can_v remember_v but_o guess_v it_o be_v a_o four_o or_o eight_o part_n at_o the_o end_n of_o above_o three_o year_n look_v upon_o the_o same_o glass_n stop_v with_o nothing_o but_o a_o cork_n we_o find_v it_o coagulate_v or_o to_o speak_v more_o wary_o in_o a_o consistent_a form_n and_o the_o vessel_n be_v unstopped_a there_o appear_v no_o sign_n of_o putrefaction_n in_o the_o blood_n and_o have_v smell_v to_o it_o we_o can_v not_o perceive_v that_o it_o do_v at_o all_o stink_n so_o balsamic_a a_o virtue_n have_v dephlegm_v spirit_n of_o wine_n to_o preserve_v humane_a blood_n experiment_n xi_o we_o take_v a_o piece_n of_o fibrous_a or_o concrete_v blood_n of_o the_o bigness_n of_o a_o large_a bean_n or_o thereabouts_o and_o have_v put_v it_o into_o a_o small_a glass_n vessel_n with_o a_o flattish_a bottom_n we_o pour_v on_o it_o as_o much_o high_o rectify_v vinous_a spirit_n as_o may_v serve_v to_o cover_v it_o though_o it_o have_v be_v twice_o thick_a than_o it_o be_v then_o we_o light_o cover_v this_o open-mouthed_a glass_n with_o another_o and_o set_v the_o vessel_n in_o a_o quiet_a place_n that_o the_o vinous_a spirit_n may_v have_v leisure_n to_o imbibe_n the_o serous_a or_o aqueous_a part_n of_o the_o blood_n and_o thereby_o harden_v that_o yet_o soft_a substance_n and_o in_o effect_v it_o quick_o seem_v to_o have_v gain_v a_o superficial_a crust_n but_o the_o internal_a part_n continue_v yet_o soft_a we_o leave_v the_o liquor_n upon_o the_o blood_n for_o a_o day_n or_o two_o long_a and_o then_o we_o find_v that_o the_o action_n of_o the_o liquor_n have_v quite_o penetrate_v the_o lump_n of_o blood_n and_o make_v it_o moderate_o hard_a and_o friable_a this_o experiment_n have_v be_v make_v in_o the_o cold_a may_v much_o confirm_v a_o trial_n elsewhere_o mention_v to_o have_v be_v make_v to_o the_o same_o purpose_n and_o both_o of_o they_o together_o induce_v i_o to_o fear_v that_o two_o or_o three_o ingenious_a writer_n that_o in_o their_o chemical_a receipt_n prescribe_v solution_n and_o tincture_n of_o concrete_v blood_n in_o spirit_n of_o wine_n have_v set_v down_o the_o pompous_a process_n wherein_o these_o operation_n be_v prescribe_v rather_o according_a to_o conjecture_n than_o experience_n experiment_n xii_o it_o may_v be_v of_o some_o use_n to_o the_o speculative_a to_o know_v how_o much_o volatile_a salt_n of_o blood_n be_v dissoluble_a in_o water_n or_o phlegm_n and_o therefore_o have_v cause_v a_o ounce_n of_o distil_v water_n for_o common_a water_n because_o of_o some_o saltishness_n that_o usual_o accompany_v it_o will_v not_o have_v be_v so_o proper_a on_o this_o occasion_n to_o be_v careful_o weigh_v out_o we_o put_v into_o it_o little_a by_o little_a some_o dry_a and_o white_a volatile_a salt_n of_o blood_n and_o shake_v it_o well_o into_o the_o liquor_n to_o make_v it_o disperse_v the_o better_a we_o allow_v it_o also_o a_o competent_a time_n for_o solution_n and_o by_o this_o mean_v we_o find_v that_o â„¥_o i._n of_o water_n will_v dissolve_v at_o lest_o Ê’ij_fw-la that_o be_v a_o four_o part_n of_o its_o weight_n of_o dry_a salt_n and_o that_o in_o the_o cold_a for_o afterward_o by_o the_o help_n of_o heat_n we_o make_v the_o same_o liquor_n dissolve_v near_o five_o and_o twenty_o grain_n more_o in_o which_o last_o part_n of_o the_o experiment_n i_o have_v a_o further_a aim_n which_o be_v to_o try_v whether_o upon_o the_o refrigeration_n of_o the_o liquor_n the_o dissolve_v salt_n will_v not_o shoot_v into_o crystal_n of_o observable_a figure_n but_o the_o event_n answer_v not_o at_o that_o time_n my_o desire_n yet_o leave_v i_o not_o without_o some_o intention_n to_o reiterate_v the_o experiment_n if_o i_o shall_v get_v another_o opportunity_n postscript_n experiment_n xiii_o we_o put_v the_o above_o mention_v solution_n into_o a_o retort_n to_o be_v draw_v off_o with_o a_o pretty_a quick_a heat_n which_o on_o this_o occasion_n we_o prefer_v to_o a_o much_o slow_a one_o and_o thereby_o obtain_v a_o