of_o salt_n i_o be_o induce_v to_o believe_v that_o the_o air_n abound_v with_o volatile_a one_o for_o beside_o that_o a_o acquaintance_n of_o i_o obtain_v a_o spirit_n and_o salt_n of_o similar_v quality_n with_o spirit_n of_o hartshorn_n from_o earth_n dig_v up_o some_o yard_n deep_a we_o may_v observe_v in_o favour_n of_o what_o i_o propose_v that_o the_o very_a soot_n which_o rise_v from_o fire_n near_o great_a town_n a_o great_a part_n of_o which_o be_v disperse_v in_o the_o air_n abound_v with_o a_o saline_n spirit_n which_o may_v be_v obtain_v from_o it_o by_o distillation_n as_o likewise_o a_o great_a quantity_n of_o volatile_a matter_n may_v be_v raise_v in_o the_o form_n of_o vapour_n from_o animal_n substance_n putrify_v and_o corrupt_v but_o beside_o these_o more_o simple_a salt_n there_o may_v be_v several_a other_o compound_v in_o the_o air_n which_o may_v result_v from_o several_a coalition_n of_o simple_a salt_n and_o several_a compound_v salt_n may_v not_o unlikely_a arise_v from_o subterraneal_a part_n in_o favour_n of_o which_o i_o shall_v add_v that_o in_o america_n the_o effluvia_fw-la of_o a_o vulcano_n not_o only_o offend_v the_o face_n of_o some_o that_o approach_v too_o near_o but_o cause_v a_o manifest_a alteration_n in_o the_o colour_n of_o their_o hair_n and_o it_o have_v be_v observe_v that_o several_a sulphureous_a exhalation_n have_v be_v gather_v about_o the_o cranny_n of_o mount_n vesuvius_n which_o issue_v out_o of_o small_a cranny_n stick_v to_o the_o edge_n like_o flower_n of_o brimstone_n to_o which_o i_o shall_v add_v that_o i_o have_v a_o stone_n bring_v i_o from_o another_o vulcano_n who_o pore_n be_v full_a of_o a_o white_a salt_n compound_v of_o a_o fix_a one_o and_o another_o volatile_a much_o like_o sal-armon_a the_o salt_n we_o have_v hitherto_o take_v notice_n of_o be_v such_o as_o may_v be_v refer_v to_o a_o determinate_a species_n but_o i_o be_o apt_a to_o believe_v that_o there_o be_v other_o which_z be_v such_o as_o be_v not_o know_v nor_o have_v they_o any_o name_n give_v they_o this_o appear_v from_o what_o we_o have_v elsewhere_o teach_v of_o subterraneal_a fume_n and_o may_v be_v further_o illustrate_v by_o intimate_v that_o i_o have_v observe_v old_a glass-window_n sometime_o corrode_v as_o if_o worm-eaten_a which_o probable_o proceed_v from_o some_o corrosive_a particle_n carry_v thither_o by_o the_o wind._n as_o for_o the_o nature_n of_o these_o several_a salt_n that_o at_o different_a time_n and_o in_o various_a place_n impregnate_n the_o air_n among_o the_o different_a method_n that_o may_v be_v take_v to_o investigate_v they_o i_o shall_v mention_v the_o follow_v air._n several_a way_n to_o discover_v the_o nature_n of_o the_o salt_n in_o the_o air._n first_o we_o may_v expose_v such_o body_n to_o the_o air_n as_o we_o think_v will_n most_o likely_a be_v work_v upon_o by_o the_o salt_n we_o judge_v predominant_a in_o that_o place_n as_o lime_n where_o we_o think_v nitre_n abound_v as_o also_o we_o may_v hang_v up_o silk_n of_o such_o colour_n as_o nitre_n be_v most_o apt_a to_o fade_v or_o discolour_v in_o place_n where_o we_o think_v vitriol_n abound_v we_o may_v expose_v preparation_n of_o sulphur_n which_o it_o usual_o turn_v black_a in_o other_o place_n we_o may_v spread_v white_a linen_n clothes_n and_o observe_v what_o salt_n they_o imbibe_n along_o with_o the_o rise_a vapour_n and_o fall_v dew_n a_o second_o way_n to_o discover_v the_o nature_n of_o the_o salt_n in_o the_o air_n may_v be_v by_o expose_v some_o body_n which_o several_a salt_n have_v different_a effect_n on_o experiment_n i._n clean_a copper_n plate_n be_v place_v over_o glass_n under_o which_o spirit_n of_o salt_n and_o spirit_n of_o nitre_n dilute_v with_o water_n be_v set_v i_o oserve_v that_o they_o be_v discolour_v alike_o by_o the_o ascend_a fume_n it_o be_v common_a for_o these_o spirit_n to_o draw_v a_o green_a tincture_n from_o copper_n as_o spirit_n of_o soot_n and_o urine_n do_v a_o blue_n one_o i_o have_v observe_v a_o piece_n of_o copper_n bring_v from_o a_o mine_n overcast_v in_o several_a part_n with_o a_o verdigrease_n which_o effect_n i_o judge_v to_o depend_v on_o the_o efficacy_n of_o some_o effluvia_fw-la in_o the_o air._n and_o possible_o with_o other_o body_n discover_v different_a discolouration_n we_o be_v enable_v to_o learn_v what_o kind_n of_o steam_n those_o effect_n be_v produce_v by_o and_o it_o have_v be_v observe_v not_o only_o at_o amsterdam_n but_o elsewhere_o that_o plate_n in_o a_o little_a time_n in_o those_o air_n will_v acquire_v a_o rusty_a colour_n or_o one_o partake_v of_o yellow_a and_o black_n a_o three_o way_n which_o may_v be_v take_v to_o discover_v the_o different_a nature_n of_o effluvia_fw-la may_v be_v by_o expose_v preparation_n of_o mineral_n body_n who_o colour_n be_v apt_a to_o be_v change_v by_o the_o air._n experiment_n ii_o if_o a_o solution_n of_o silver_n in_o aq._n fortis_fw-la be_v precipitate_v with_o spirit_n of_o sea_n salt_n the_o powder_n will_v be_v at_o the_o first_o white_a but_o after_o a_o while_n be_v expose_v to_o the_o air_n the_o surface_n of_o the_o liquor_n will_v acquire_v a_o dark_a colour_n which_o may_v perhaps_o vary_v as_o the_o air_n be_v different_o impregnate_v experiment_n iii_o a_o equal_a weight_n of_o file_n of_o copper_n and_o powder_a sal_fw-la ammoniac_a be_v mix_v and_o put_v into_o a_o cover_a crucible_n and_o keep_v over_o a_o moderate_a fire_n till_o the_o sal_fw-la armon_n have_v do_v smoke_v as_o much_o of_o the_o rema_v mass_n as_o can_v be_v part_v be_v take_v out_o and_o look_v of_o a_o dark_a colour_n but_o be_v gross_o beat_v and_o expose_v to_o the_o air_n look_v like_o verdigrease_n a_o substance_n who_o colour_n common_o vary_v according_a to_o the_o nature_n of_o the_o salt_n concern_v in_o the_o production_n of_o the_o pigment_n but_o a_o parcel_n of_o the_o same_o mass_n be_v gross_o beat_v and_o hermetical_o seal_v up_o from_o the_o air_n and_o leave_v in_o a_o south_n window_n be_v not_o discolour_v when_o that_o expose_v to_o the_o air_n have_v acquire_v a_o virdigrease_n colour_n experiment_n iv_o spirit_n of_o soot_n of_o wood_n dissolve_v copper_n into_o a_o lovely_a azure_a but_o the_o substance_n grow_v dry_a in_o the_o air_n change_v its_o ceruleous_a for_o a_o cyanious_a colour_n such_o as_o may_v be_v see_v in_o good_a turquoise_n which_o change_n depend_v not_o on_o the_o saline-sulphureous_a salt_n which_o i_o rather_o believe_v because_o i_o have_v the_o same_o success_n when_o i_o make_v use_v of_o a_o urinous_a spirit_n draw_v from_o a_o animal_n substance_n most_o of_o the_o inland_a part_n of_o our_o country_n abound_v not_o with_o corrosive_a vapour_n the_o bar_n of_o iron_n be_v not_o so_o subject_a to_o be_v corrode_v and_o rust_v so_o that_o i_o believe_v this_o salt_n may_v proceed_v from_o sea_n vapour_n or_o a_o dissolution_n of_o some_o corrode_a salt_n upon_o the_o burn_a of_o a_o sea_n or_o mineral_n coal_n mox_fw-la ollam_fw-la ex_fw-la igni_fw-la removent_fw-la 12._o agricola_n de_fw-mi re_fw-mi metal_n lib._n 12._o postea_fw-la ex_fw-la refrigerata_fw-la eximunt_fw-la halinitrum_fw-la purissimum_fw-la quod_fw-la candidi_fw-la marmoris_fw-la speciem_fw-la gerit_fw-la aetque_fw-la tunc_fw-la etiam_fw-la id_fw-la quod_fw-la terrenum_fw-la est_fw-la in_fw-la fundo_fw-la residet_fw-la at_o terra_fw-la ex_fw-la qua_fw-la dilutum_fw-la fuit_fw-la factum_fw-la &_o rami_n quernei_fw-la vel_fw-la consimilis_fw-la arboris_fw-la alternis_fw-la sub_fw-la dio_fw-mi ponantur_fw-la &_o aqua_fw-la quâ_fw-la combibit_fw-la halinitrum_fw-la conspergantur_fw-la quo_fw-la modo_fw-la quinque_fw-la vel_fw-la sex_n annis_fw-la rursus_fw-la apta_fw-la fit_a ad_fw-la conficiendum_fw-la dilutum_fw-la halinitrum_fw-la quodammodo_fw-la purum_fw-la quod_fw-la dum_fw-la terra_fw-la tot_fw-la annos_fw-la quievit_fw-la interea_fw-la ortum_fw-la fuit_fw-la &_o quod_fw-la lapidei_fw-la parietes_fw-la in_o cellis_fw-la vrinariis_fw-la &_o locis_fw-la opacis_fw-la exudant_fw-la cum_fw-la primo_fw-la diluto_fw-la permistum_fw-la decoquatur_fw-la si_fw-mi verò_fw-la locus_fw-la aliquis_fw-la talium_fw-la venarum_fw-la copiam_fw-la suppeditaverit_fw-la ipsae_fw-la statim_fw-la non_fw-la conjiciantur_fw-la in_o cast_n ella_fw-la sed_fw-la primò_fw-la convehantur_fw-la in_o areas_fw-la atque_fw-la cumulentur_fw-la quanto_fw-la enim_fw-la diutius_fw-la aeri_fw-la &_o pluviis_fw-la expositae_fw-la fuerint_fw-la tanto_fw-la meliores_fw-la fiunt_fw-la no_o in_o ejusmodi_fw-la cumulis_fw-la aliquot_fw-la post_fw-la mensibus_fw-la quam_fw-la venae_fw-la in_fw-la be_v as_o fuerint_fw-la conjectae_fw-la nascuntur_fw-la fibrae_fw-la long_o venis_fw-la bonitate_fw-la praestantes_fw-la deinde_fw-la vehantur_fw-la in_o sex_n plurave_a castilia_n long_fw-mi &_o let_fw-mi a_o ad_fw-la novem_fw-la pedes_fw-la ad_fw-la quinque_fw-la alta_fw-la si_fw-mi verò_fw-la dum_fw-la dilutum_fw-la recoquitur_fw-la seperata_fw-la non_fw-la fuerint_fw-la mox_fw-la ex_fw-la minoribus_fw-la vasis_fw-la infundatur_fw-la in_o majora_n eaque_fw-la concludantur_fw-la in_fw-la quibus_fw-la item_n atramentum_fw-la sutorium_fw-la seperatum_fw-la ab_fw-la alumine_fw-la
bubble_n the_o weight_n of_o the_o air_n include_v in_o the_o bubble_n bring_v the_o balance_n to_o a_o aequilibrium_fw-la when_o the_o air_n be_v draw_v out_o which_o aequilibrium_fw-la be_v again_o lose_v upon_o a_o reingress_n of_o it_o so_o that_o have_v the_o air_n be_v whole_o exhaust_v the_o air_n contain_v in_o the_o bubble_n may_v probable_o have_v weigh_v a_o whole_a grain_n and_o to_o prove_v that_o the_o weight_n of_o the_o air_n do_v real_o depress_v the_o balance_n to_o which_o the_o bubble_n be_v fix_v we_o exhaust_v the_o receiver_n when_o the_o neck_n of_o the_o bubble_n be_v open_a and_o do_v not_o perceive_v that_o end_n of_o the_o balance_n in_o the_o least_o to_o preponderate_v but_o a_o lamb_n bladder_n be_v equal_o poise_v with_o a_o correspondent_a weight_n manifest_o weigh_v down_o the_o balance_n though_o the_o air_n include_v in_o it_o be_v considerable_o expanded_a when_o the_o air_n be_v pump_v out_o of_o the_o receiver_n air._n the_o penetrate_a power_n of_o some_o spirit_n above_o that_o of_o the_o air._n but_o once_o have_v cause_v the_o pump_n to_o be_v ply_v long_o than_o ordinary_a the_o air_n contain_v in_o a_o glass_n bubble_n expanded_a itself_o so_o powerful_o as_o to_o cause_v the_o side_n of_o it_o to_o fly_v in_o piece_n which_o be_v a_o strong_a argument_n of_o the_o closeness_n of_o the_o pore_n of_o the_o glass_n which_o be_v too_o fine_a to_o permit_v the_o air_n to_o pass_v through_o they_o and_o for_o a_o further_a proof_n of_o the_o imperviousness_n of_o glass_n even_o by_o so_o minute_n particle_n as_o those_o of_o the_o air_n i_o shall_v add_v that_o in_o all_o the_o trial_n i_o ever_o make_v i_o but_o once_o find_v that_o a_o spirit_n who_o part_n be_v much_o more_o subtle_a and_o volatile_a than_o air_n i_o say_v i_o but_o once_o find_v that_o a_o spirit_n draw_v from_o a_o substance_n abound_v with_o volatile_a salt_n and_o subtle_a spirit_n make_v way_n through_o the_o pore_n of_o the_o receiver_n which_o unusual_a phenomenon_n probable_o depend_v on_o the_o brisk_a agitation_n of_o those_o spirituous_a part_n increase_v by_o the_o more_o than_o ordinary_a heat_n with_o which_o they_o be_v raise_v for_o the_o motion_n of_o they_o be_v so_o violent_a as_o to_o fill_v the_o receiver_n and_o almost_o burst_v it_o with_o their_o impetuous_a steam_n so_o that_o the_o pore_n of_o the_o glass_n be_v open_v with_o the_o violent_a heat_n several_a of_o they_o penetrate_v those_o pore_n and_o appear_v on_o the_o outside_n of_o the_o glass_n other_o why_o the_o part_n of_o the_o air_n be_v more_o indispose_v to_o pass_v through_o the_o pore_n of_o some_o body_n than_o other_o but_o though_o by_o some_o the_o particle_n of_o the_o air_n be_v think_v to_o be_v able_a to_o penetrate_v glass_n yet_o by_o other_o they_o be_v think_v to_o be_v grosser_n than_o water_n since_o from_o the_o follow_a experiment_n it_o appear_v that_o water_n be_v capable_a of_o penetrate_a body_n and_o of_o be_v compress_v into_o their_o pore_n which_o air_n be_v not_o for_o have_v convey_v a_o small_a bubble_n of_o water_n into_o the_o long_a leg_n of_o a_o syphon_n who_o orifice_n be_v as_o small_a as_o a_o pin_n that_o air_n be_v incapable_a of_o pass_v through_o so_o small_a a_o poor_a keep_v the_o water_n above_o it_o suspend_v in_o the_o tube_n but_o as_o soon_o as_o that_o bubble_n by_o blow_v into_o the_o wide_a orifice_n of_o the_o short_a leg_n be_v compress_v and_o squeeze_v out_o water_n pass_v through_o that_o small_a orifice_n without_o any_o other_o force_n than_o the_o weight_n of_o that_o which_o lie_v upon_o it_o and_o the_o inability_n of_o air_n to_o pass_v through_o such_o pore_n which_o water_n will_v ready_o enough_o will_v be_v further_o evince_v by_o hold_v water_n in_o a_o tube_n the_o low_a end_n of_o which_o be_v very_o narrow_a and_o perforate_v with_o a_o poor_a no_o long_o than_o a_o hair_n for_o the_o water_n will_v ready_o pass_v through_o it_o but_o if_o the_o tube_n be_v invert_v the_o water_n in_o the_o narrow_a end_n of_o that_o pipe_n will_v be_v suspend_v as_o if_o the_o end_n be_v whole_o unperforate_v the_o air_n not_o be_v able_a to_o get_v through_o so_o small_a a_o passage_n and_o that_o water_n will_v pass_v through_o pore_n which_o air_n will_v not_o may_v be_v further_o evince_v by_o put_v a_o little_a alkalizate_a salt_n into_o a_o lamb_n bladder_n for_o by_o wet_v the_o end_n of_o the_o bladder_n on_o the_o outside_n the_o water_n pass_v through_o its_o pore_n will_v present_o dissolve_v that_o salt_n expansion_n the_o force_n of_o the_o air_n be_v expansion_n but_o to_o return_v to_o what_o we_o have_v hint_v before_o concern_v the_o expansion_n of_o air_n in_o a_o bubble_n so_o violent_o as_o to_o break_v it_o the_o learned_a jesuit_n cabaeus_n say_v he_o see_v a_o pillar_n so_o thick_a that_o three_o man_n can_v not_o grasp_v it_o and_o that_o 1000_o yoke_n of_o ox_n can_v not_o tear_v it_o in_o piece_n yet_o the_o air_n include_v in_o the_o cranny_n of_o it_o so_o violent_o expanded_a upon_o the_o burn_a of_o a_o fire_n near_o it_o that_o it_o fly_v in_o piece_n though_o the_o pillar_n be_v make_v of_o so_o solid_a stone_n as_o marble_n and_o as_o for_o the_o reason_n why_o sometime_o the_o bubble_n include_v in_o our_o receiver_n do_v not_o break_v as_o at_o other_o it_o probable_o proceed_v from_o the_o air_n be_v expansion_n by_o heat_n when_o they_o be_v seal_v the_o include_v air_n upon_o a_o removal_n of_o that_o heat_n contract_v itself_o and_o lose_v part_n of_o its_o springiness_n but_o this_o guess_v we_o can_v whole_o rely_v on_o but_o air._n the_o weight_n of_o the_o air._n to_o determine_v more_o exact_o the_o weight_n of_o the_o air_n we_o heat_v a_o aeolipile_n of_o copper_n as_o hot_a as_o we_o can_v convenient_o and_o remove_v it_o from_o the_o fire_n we_o stop_v the_o neck_n with_o hard_a wax_n to_o keep_v out_o the_o air_n which_o be_v weigh_v when_o cold_a counterpoise_v six_o ounce_n six_o drachm_n and_o thirty_o nine_o grain_n but_o the_o air_n be_v permit_v to_o rush_v in_o by_o perforate_n the_o wax_n with_o a_o needle_n the_o aeolipile_n and_o wax_v balance_v a_o additional_a weight_n of_o 11_o grain_n so_o that_o the_o weight_n of_o so_o much_o air_n as_o fill_v the_o cavity_n of_o it_o weigh_v half_o a_o scruple_n and_o a_o grain_n and_o though_o mersennus_n affirm_v that_o he_o have_v rarify_v the_o air_n to_o seventy_o time_n its_o bulk_n in_o a_o aeolipile_n yet_o i_o must_v confess_v it_o seem_v impossible_a to_o i_o except_o the_o metal_n his_o be_v make_v of_o will_v bear_v a_o much_o great_a degree_n of_o heat_n without_o melt_v than_o we_o will_v to_o rarify_v and_o expel_v the_o air_n contain_v in_o they_o beside_o the_o method_n he_o take_v seem_v much_o less_o exact_a than_o we_o since_o he_o weigh_v the_o aeolipile_n whilst_o hot_a which_o may_v throw_v off_o a_o considerable_a quantity_n of_o scale_n as_o we_o have_v often_o observe_v the_o weight_n of_o which_o in_o weigh_v so_o light_a a_o body_n as_o air_n may_v be_v considerable_a etc._n proportion_n betwixt_o the_o weight_n of_o air_n and_o water_n etc._n etc._n as_o for_o the_o difference_n in_o the_o weight_n of_o a_o equal_a proportion_n of_o air_n and_o water_n though_o ricciolus_n and_o galileo_n have_v by_o different_a method_n make_v very_o different_a computation_n and_o mersennus_n have_v assert_v it_o to_o be_v as_o 1300_o to_o 1._o yet_o by_o the_o most_o accurate_a computation_n we_o can_v make_v in_o our_o aeolipile_n the_o difference_n appear_v to_o be_v no_o more_o than_o as_o 1_o to_o 938._o i_o shall_v not_o whole_o reject_v what_o mersennus_n relate_v but_o rather_o endeavour_v to_o reconcile_v the_o difference_n by_o represent_v that_o my_o observation_n be_v not_o only_o make_v in_o this_o climate_n in_o london_n where_o it_o be_v much_o cold_a than_o at_o paris_n but_o also_o at_o a_o time_n when_o the_o air_n be_v condense_v by_o the_o winter_n be_v cold_a at_o which_o time_n it_o may_v be_v suppose_v to_o be_v a_o five_o part_n heavy_a than_o at_o paris_n when_o mersennus_n make_v his_o observation_n wherefore_o it_o will_v be_v of_o no_o small_a use_n to_o make_v such_o observation_n in_o several_a country_n and_o at_o several_a season_n of_o the_o year_n atmosphere_n conjecture_n concern_v the_o height_n of_o the_o atmosphere_n have_v say_v thus_o much_o about_o the_o weight_n of_o the_o air_n it_o may_v perhaps_o be_v expect_v that_o i_o shall_v by_o the_o assistance_n of_o the_o observation_n already_o deliver_v determine_v the_o height_n of_o the_o atmosphere_n from_o whence_o the_o pressure_n of_o the_o air_n proceed_v but_o though_o it_o may_v be_v no_o difficult_a task_n to_o
aliment_n be_v carry_v off_o by_o insensible_a transpiration_n and_o as_o these_o instance_n show_v how_o unfit_a a_o air_n too_o gross_a be_v for_o respiration_n so_o that_o a_o air_n too_o thin_a be_v likewise_o prejudicial_a appear_v from_o the_o experiment_n already_o try_v in_o our_o receiver_n so_o that_o it_o be_v not_o improbable_a that_o if_o a_o man_n be_v remove_v to_o the_o top_n of_o our_o atmosphere_n he_o will_v die_v for_o want_v of_o breath_n in_o favour_n of_o which_o conjecture_n i_o shall_v add_v that_o the_o learned_a josephus_n acosta_n tell_v we_o that_o go_v up_o a_o high_a mountain_n in_o peru_n call_v pariacaca_fw-la which_o be_v so_o high_a above_o the_o alps_o as_o to_o make_v they_o appear_v only_o as_o high_a tower_n he_o and_o his_o companion_n be_v take_v with_o excessive_a vomit_v together_o with_o blood_n which_o last_v till_o he_o come_v to_o a_o region_n more_o convenient_a for_o respiration_n and_o he_o likewise_o say_v to_o our_o present_a purpose_n that_o the_o element_n of_o the_o air_n be_v so_o subtle_a and_o delicate_a there_o that_o it_o be_v too_o fine_a for_o a_o man_n to_o breathe_v in_o the_o action_n of_o respiration_n require_v a_o grosser_n and_o more_o temperate_a air._n but_o though_o from_o hence_o it_o appear_v that_o the_o air_n contribute_v to_o respiration_n in_o carry_v off_o the_o recrement_n of_o the_o blood_n yet_o it_o be_v scarce_o probable_a that_o those_o recrement_n shall_v so_o soon_o kill_v a_o animal_n as_o to_o cause_v bird_n enclose_v in_o our_o receiver_n to_o die_v in_o a_o few_o minute_n for_o want_v of_o be_v carry_v off_o and_o it_o will_v not_o be_v hard_a to_o account_v for_o such_o effect_n shall_v we_o allow_v with_o paracelsus_n that_o air_n contribute_v to_o the_o geneneration_n of_o a_o vital_a spirit_n since_o the_o interruption_n of_o its_o generation_n for_o so_o small_a a_o time_n can_v scarce_o be_v fatal_a yet_o i_o shall_v add_v on_o this_o occasion_n that_o i_o have_v be_v tell_v that_o cornelius_n drebellus_fw-la make_v a_o boat_n for_o the_o learned_a king_n james_n which_o will_v swim_v under_o water_n in_o which_o to_o make_v the_o air_n include_v fit_a for_o respiration_n he_o be_v wont_a to_o open_v a_o vessel_n which_o contain_v a_o liquor_n which_o add_v such_o a_o vital_a spirit_n to_o the_o air_n as_o purge_v it_o of_o the_o grosser_n exhalation_n and_o condense_v they_o wherefore_o i_o be_o the_o more_o favourable_o incline_v to_o think_v that_o the_o air_n may_v conduce_v to_o the_o preserurtion_n of_o vital_a spirit_n and_o that_o it_o contribute_v to_o the_o preservation_n of_o life_n as_o air_n to_o flame_n for_o have_v convey_v rectfy_v spirit_n of_o wine_n into_o our_o receiver_n we_o find_v that_o it_o will_v not_o continue_v long_o no_o more_o than_o the_o vital_a flame_n of_o a_o animal_n if_o the_o air_n be_v exhaust_v but_o not_o to_o insist_v upon_o these_o thing_n we_o shall_v add_v that_o have_v dissect_v a_o bitch_n and_o take_v out_o one_o of_o the_o whelp_n though_o we_o open_v his_o abdomen_fw-la and_o thorax_n and_o divide_v the_o diaphragm_n yet_o have_v once_o begin_v to_o breathe_v his_o heart_n continue_v to_o beat_v above_o six_o hour_n whereas_o three_o more_o which_o be_v involve_v in_o the_o secundine_n in_o the_o mean_a time_n be_v all_o dead_a though_o they_o be_v neither_o wound_v nor_o have_v ever_o breathe_v how_o far_o this_o may_v serve_v to_o illustrate_v the_o problem_n propose_v by_o dr._n harvey_n viz._n why_o a_o foetus_fw-la may_v live_v long_o before_o it_o have_v breathe_v if_o involve_v in_o the_o secundine_n than_o if_o when_o it_o have_v once_o respire_v respiration_n be_v stop_v we_o leave_v other_o to_o judge_v whether_o fish_n breathe_v or_o not_o under_o water_n especial_o those_o that_o want_v lung_n i_o can_v now_o determine_v but_o that_o air_n be_v necessary_a to_o the_o preservation_n of_o their_o life_n seem_v to_o be_v evince_v by_o observe_v that_o if_o fish_n be_v enclose_v in_o a_o bottle_n which_o be_v close_o stop_v from_o the_o air_n or_o if_o they_o be_v keep_v from_o the_o air_n by_o the_o freeze_a of_o water_n they_o present_o die_v and_o indeed_o consider_v how_o many_o particle_n of_o air_n be_v intersperse_v in_o the_o pore_n of_o water_n it_o may_v not_o be_v altogether_o improbable_a that_o part_n of_o it_o be_v separate_v as_o it_o pass_v through_o their_o gills_o or_o some_o other_o way_n and_o i_o be_o the_o rather_o incline_v to_o believe_v it_o because_o have_v put_v a_o large_a eel_n into_o our_o receiver_n upon_o exhaust_v the_o air_n she_o turn_v up_o her_o belly_n and_o lay_v as_o dead_a till_o the_o receiver_n be_v unstop_v and_o the_o fish_n take_v out_o into_o the_o open_a air_n satisfy_v we_o of_o her_o recovery_n by_o very_o brisk_a and_o vivid_v motion_n but_o what_o be_v not_o a_o little_a to_o be_v admire_v have_v put_v a_o grey_a snail_n into_o our_o receiver_n we_o perceive_v not_o the_o least_o alteration_n when_o the_o air_n be_v draw_v out_o but_o whence_o these_o phaenomena_n proceed_v we_o shall_v not_o now_o stay_v to_o determine_v nor_o be_v we_o now_o at_o leisure_n to_o examine_v any_o further_a whether_o the_o paradox_n which_o some_o hold_n be_v true_a viz._n that_o the_o child_n respire_v in_o the_o womb_n only_o we_o shall_v say_v that_o it_o be_v not_o altogether_o fabulous_a that_o the_o foetus_fw-la have_v sometime_o be_v hear_v to_o cry_v in_o the_o womb_n and_o chicken_n have_v be_v observe_v to_o pip_n in_o the_o eggshell_n before_o it_o be_v break_v which_o may_v be_v argument_n of_o a_o obscure_a respiration_n except_o it_o can_v be_v make_v to_o appear_v that_o such_o sound_n may_v arise_v from_o halituous_a vapour_n in_o the_o larynx_n and_o that_o they_o may_v will_v not_o be_v a_o little_a favour_v by_o observe_v what_o audible_a sound_v arise_v from_o the_o halituous_a vapour_n of_o a_o aeolipile_n force_v upon_o the_o blade_n of_o a_o knife_n hold_v in_o various_a posture_n but_o to_o proceed_v the_o necessity_n of_o breathe_v though_o those_o that_o be_v not_o well_o be_v accustom_a to_o want_v it_o may_v appear_v from_o the_o small_a time_n that_o such_o man_n be_v able_a to_o stay_v under_o water_n but_o may_v further_o be_v illustrate_v by_o the_o follow_a experiment_n for_o have_v convey_v a_o humming-bee_n a_o flesh-f_o and_o a_o palmer-worm_n into_o our_o receiver_n upon_o the_o exsuction_n of_o the_o air_n in_o a_o minute_n time_n they_o all_o seem_v dead_a but_o present_o recover_v by_o the_o re-ingress_n of_o air_n yet_o when_o the_o air_n be_v again_o draw_v out_o they_o appear_v dead_a which_o be_v a_o strong_a argument_n to_o induce_v we_o to_o believe_v that_o the_o body_n of_o animal_n be_v but_o so_o many_o curiously-contrived_a engine_n except_o those_o of_o man_n who_o wheel_n be_v set_v on_o go_v by_o the_o influence_n of_o external_n agent_n for_o even_o those_o fly_n which_o present_o die_v in_o our_o receiver_n will_v crawl_v about_o even_o when_o their_o head_n be_v cut_v off_o and_o it_o be_v not_o unworthy_a our_o observation_n that_o infect_v which_o want_n lung_n be_v no_o less_o sensible_o affect_v upon_o the_o exsuction_n of_o air_n than_o some_o that_o have_v they_o which_o may_v be_v ground_n for_o a_o suspicion_n that_o the_o particle_n of_o the_o air_n enter_v in_o at_o their_o pore_n and_o that_o it_o keep_v they_o alive_a by_o a_o universal_a perspiration_n but_o to_o put_v a_o end_n to_o this_o digression_n though_o the_o forementioned_a experiment_n have_v give_v i_o cause_n to_o suspect_v that_o the_o depuration_n of_o the_o blood_n be_v the_o chief_a use_n of_o respiration_n yet_o since_o i_o believe_v it_o have_v some_o other_o use_v which_o be_v not_o yet_o explain_v i_o shall_v conclude_v with_o that_o say_v of_o st._n augustine_n mallem_fw-la quidem_fw-la eorum_fw-la quae_fw-la à _fw-la i_o quaesivisti_fw-la habere_fw-la scientiam_fw-la quam_fw-la ignorantiam_fw-la sed_fw-la quia_fw-la id_fw-la nondum_fw-la potui_fw-la magis_fw-la eligo_fw-la cautam_fw-la ignorantiam_fw-la confiteri_fw-la quam_fw-la falsam_fw-la scientiam_fw-la profiteri_fw-la experiemint_n xlii_o receiver_n the_o different_a operation_n of_o corrosive_n in_o and_o without_o our_o receiver_n have_v fill_v the_o three_o part_n of_o a_o long-neck_n viol._n with_o ten_o sprig_n of_o coral_n and_o as_o much_o spirit_n of_o vinegar_n as_o swim_v about_o a_o inch_n over_o they_o we_o place_v it_o in_o our_o receiver_n and_o though_o at_o the_o first_o there_o appear_v but_o very_o few_o bubble_n yet_o upon_o a_o few_o exsuction_n of_o the_o air_n they_o rise_v so_o plentiful_o as_o to_o make_v the_o menstruum_fw-la appear_v white_a the_o whole_a continue_v to_o boil_v and_o ferment_n as_o in_o a_o seething-pot_n as_o much_o froth_n stand_v upon_o the_o liquor_n as_o answer_v the_o depth_n of_o it_o in_o
more_o easy_o hope_v to_o determine_v whether_o the_o moon_n diffuse_v a_o moisture_n through_o the_o air_n or_o not_o than_o by_o observe_v the_o plumpness_n of_o oyster_n and_o shellfish_n or_o of_o the_o brain_n or_o marrow_n of_o animal_n which_o be_v a_o hard_a thing_n to_o be_v sure_a of_o to_o these_o observation_n it_o will_v be_v requisite_a to_o note_v whether_o upon_o spring-tide_n in_o march_n or_o september_n the_o hygroscope_n receive_v any_o sensible_a alteration_n use_v ii_o to_o know_v how_o much_o one_o year_n or_o season_n be_v dry_a or_o moist_a than_o another_o if_o the_o hygroscope_n when_o it_o continue_v long_a without_o some_o sensible_a alteration_n use_v 2_o be_v take_v for_o a_o standard_n by_o compare_v observation_n make_v at_o other_o season_n of_o the_o year_n and_o in_o other_o year_n it_o will_v be_v easy_a to_o learn_v how_o much_o one_o year_n be_v moist_a than_o another_o how_o much_o these_o observation_n may_v be_v of_o use_n to_o physician_n where_o distemper_n arise_v from_o too_o much_o moisture_n or_o dryness_n and_o to_o husbandman_n and_o shepherd_n in_o order_v their_o corn_n and_o remove_v their_o flock_n from_o too_o moist_a ground_n i_o shall_v leave_v undetermined_a but_o in_o order_n to_o make_v prediction_n it_o will_v be_v necessary_a to_o register_n the_o number_n bigness_n and_o duration_n of_o the_o more_o considerable_a spot_n that_o appear_v or_o be_v dissipate_v near_o the_o sun_n and_o what_o alteration_n happen_v to_o the_o hygroscope_n at_o such_o time_n nor_o will_v it_o be_v amiss_o to_o observe_v what_o alteration_n happen_v upon_o eclipse_n of_o the_o sun_n and_o moon_n or_o great_a conjunction_n of_o the_o planet_n use_v iii_o to_o discover_v and_o compare_v the_o change_n of_o the_o temperature_n of_o the_o air_n make_v by_o wind_n strong_a or_o weak_a frosty_a snowy_a and_o other_o wether_n that_o the_o sponge_n in_o the_o wind_n or_o sun_n lose_v considerable_o of_o its_o weight_n use_v 3_o i_o myself_o have_v experience_v a_o sponge_n hang_v in_o the_o sun_n in_o january_n have_v lose_v a_o 24_o part_n of_o its_o weight_n after_o it_o have_v be_v 3_o quarter_n of_o a_o hour_n expose_v to_o it_o and_o make_v use_n of_o half_a a_o ounce_n of_o sheep_n leather_n instead_o of_o sponge_n this_o be_v hang_v in_o the_o wind_n only_o lose_v 1_o 18_o of_o its_o weight_n in_o a_o hour_n but_o though_o it_o be_v possible_a thus_o to_o make_v observation_n of_o particular_a wind_n yet_o it_o require_v a_o great_a deal_n of_o caution_n as_o well_o as_o skill_n in_o physic_n and_o cosmography_n in_o form_v rule_n for_o the_o observe_n of_o the_o quality_n of_o other_o body_n since_o wind_n which_o come_v from_o the_o same_o quarter_n in_o several_a country_n have_v different_a quality_n for_o though_o north_n wind_n in_o the_o winter_n be_v general_o attend_v with_o frost_n yet_o at_o the_o famous_a port_n of_o archangel_n a_o thaw_v accompany_v it_o the_o reason_n of_o which_o seem_v to_o be_v no_o other_o than_o that_o the_o northern_a wind_n come_v a_o long_a way_n over_o the_o northern_a sea_n do_v not_o acquire_v such_o a_o disposition_n as_o the_o south_n wind_n which_o pass_v over_o a_o large_a tract_n of_o freeze_a land_n and_o it_o be_v observe_v in_o egypt_n that_o the_o north_n wind_n which_o be_v elsewhere_o dry_v be_v there_o moist_a which_o be_v attest_v by_o mr._n sands_n in_o his_o travel_n into_o egypt_n lib._n 6._o cap._n 8._o sect._n 3_o and_o mounseur_fw-fr de_fw-fr serres_n affirm_v that_o about_o the_o quarter_n of_o tholouze_n the_o south_n wind_n dry_v and_o the_o north_n wind_n bring_v rain_n yet_o from_o narbonne_n to_o lion_n all_o over_o provence_n and_o dauphinè_n it_o be_v quite_o otherwise_o but_o beside_o that_o on_o this_o account_n wind_n from_o the_o same_o quarter_n may_v different_o affect_v the_o hygroscope_n it_o be_v operation_n may_v be_v considerable_o diversify_v as_o it_o blow_v vehement_o or_o slow_o over_o the_o same_o country_n for_o though_o wind_n will_v rather_o increase_v the_o weight_n of_o a_o hygroscope_n if_o move_v slow_o yet_o by_o a_o more_o vehement_a agitation_n several_a moist_a particle_n in_o the_o sponge_n be_v dissipate_v and_o disperse_v to_o these_o observation_n i_o shall_v add_v the_o follow_a viz._n that_o frosty_a wether_n have_v be_v observe_v to_o make_v the_o hygroscope_n grow_v light_a towards_o night_n and_o that_o snowy_a wether_n increase_v the_o weight_n of_o it_o as_o likewise_o misty_a and_o foggy_a wether_n but_o what_o be_v more_o strange_a be_v that_o on_o a_o sun-shiny_a day_n the_o sponge_n have_v preponderated_a upon_o the_o pass_n by_o of_o a_o cloud_n but_o as_o soon_o as_o that_o be_v go_v regain_v its_o aequilibrium_fw-la and_o i_o have_v observe_v that_o when_o the_o air_n have_v grow_v heavy_a the_o hygroscope_n have_v grow_v light_a as_o if_o those_o terrestrial_a effluvia_fw-la which_o increase_v the_o weight_n of_o the_o air_n be_v unfit_a to_o be_v imbibe_v into_o the_o pore_n of_o the_o sponge_n wherefore_o at_o such_o time_n it_o may_v not_o be_v amiss_o to_o take_v notice_n whether_o any_o and_o if_o any_o what_o kind_n of_o meteor_n as_o wind_n or_o rain_n or_o hail_n or_o in_o the_o winter_n snow_n or_o frost_n will_v common_o be_v signify_v or_o produce_v use_v iv_o to_o compare_v the_o temperature_n of_o differ_v house_n and_o differ_v room_n in_o the_o same_o house_n this_o may_v be_v of_o considerable_a service_n in_o enable_v man_n to_o choose_v room_n use_v 4_o which_o may_v be_v most_o consistent_a with_o their_o health_n for_o the_o difference_n in_o some_o room_n have_v be_v observe_v to_o be_v so_o considerable_a that_o a_o drachm_n of_o sponge_n have_v acquire_v the_o additional_a weight_n of_o 3_o grain_n and_o ⅛_n and_o upon_o a_o removal_n into_o another_o have_v lose_v 1_o grain_n and_o ⅛_n though_o in_o a_o rainy_a night_n and_o a_o piece_n of_o sponge_n that_o want_v 4_o grain_n and_o ¾_n be_v remove_v into_o another_o room_n near_o a_o fire_n in_o a_o short_a time_n want_v but_o 1_o ½_n grain_n and_o the_o next_o evening_n after_o this_o observation_n be_v make_v it_o weigh_v ʒj_o 1_o grain_n and_o almost_o a_o half_a the_o next_o day_n it_o exceed_v a_o drachm_n above_o 2_o grain_n but_o about_o 4_o in_o the_o afternoon_n the_o wether_n grow_v frosty_a it_o lose_v of_o its_o weight_n and_o a_o drachm_n of_o sponge_n that_o be_v keep_v in_o a_o dry_a room_n upon_o foggy_a wether_n be_v remove_v in_o a_o night_n time_n gain_v 11_o grain_n and_o in_o the_o morning_n be_v remove_v into_o the_o former_a it_o gain_v 2_o grain_n use_v v._n to_o observe_v use_v 5_o in_o a_o chamber_n the_o effect_n of_o the_o presence_n or_o absence_n of_o a_o fire_n in_o a_o chimney_n or_o stove_n which_o will_v sensible_o appear_v by_o the_o help_n of_o our_o hygroscope_n use_v vi_o to_o keep_v a_o chamber_n at_o the_o same_o degree_n or_o a_o assign_a degree_n of_o dryness_n this_o may_v easy_o be_v do_v by_o observe_v the_o aequilibrium_fw-la of_o the_o sponge_n use_v 6_o and_o according_o increase_v or_o diminish_v the_o fire_n i_o have_v observe_v a_o notable_a difference_n in_o the_o weight_n of_o a_o hygroscope_n when_o the_o room_n have_v be_v wash_v though_o a_o good_a fire_n be_v keep_v in_o it_o to_o dry_v it_o present_o to_o these_o observation_n i_o shall_v add_v that_o i_o have_v sometime_o take_v notice_n that_o the_o hygroscope_n have_v not_o answer_v our_o expectation_n as_o at_o other_o time_n whether_o the_o air_n at_o that_o abound_v with_o other_o effluvium_n which_o render_v the_o moist_a particle_n of_o it_o more_o unfit_a to_o be_v imbibe_v by_o the_o pore_n of_o the_o sponge_n i_o shall_v not_o determine_v nor_o whether_o in_o time_n hygroscope_n may_v not_o help_v we_o to_o discover_v the_o nature_n of_o different_a effluvium_n such_o as_o those_o of_o spirit_n of_o wine_n chemical_a oil_n etc._n etc._n nor_o shall_v i_o undertake_v to_o determine_v whether_o this_o instrument_n join_v with_o the_o baroscope_n and_o some_o other_o may_v not_o help_v to_o give_v we_o a_o foresight_n of_o some_o constitution_n of_o the_o air_n which_o precede_v disease_n hurricane_n earthquake_n or_o inundation_n especial_o of_o those_o accident_n which_o depend_v on_o the_o air_n be_v be_v overcharge_v with_o exhalation_n and_o other_o moist_a vapour_n as_o well_o as_o it_o do_v of_o a_o shower_n of_o rain_n to_o conclude_v this_o chapter_n i_o shall_v intimate_v that_o though_o in_o these_o matter_n it_o be_v perhaps_o impossible_a to_o form_v hypothesis_n which_o can_v in_o no_o point_n be_v call_v in_o question_n yet_o the_o theory_n may_v be_v as_o good_a as_o can_v by_o a_o wise_a man_n be_v expect_v in_o so_o mutable_a a_o subject_a as_o the_o air_n and_o therefore_o they_o ought_v not_o
great_a part_n of_o those_o effluvium_n it_o quality_n in_o the_o air_n which_o arise_v from_o the_o union_n and_o conjunction_n of_o other_o body_n with_o it_o which_o be_v active_a in_o our_o atmosphere_n arise_v from_o subterraneal_a part_n and_o from_o celestial_a body_n yet_o doubtless_o there_o be_v a_o great_a many_o that_o result_n from_o the_o mutual_a action_n of_o the_o different_a part_n of_o it_o act_v on_o those_o body_n that_o be_v expose_v to_o it_o for_o though_o notwithstanding_o any_o manifest_a quality_n we_o can_v discern_v in_o it_o the_o air_n seem_v to_o be_v unfit_a for_o a_o menstruum_fw-la yet_o i_o doubt_v not_o but_o it_o may_v have_v considerable_a effect_n on_o body_n dispose_v to_o be_v act_v on_o by_o it_o for_o not_o to_o urge_v that_o sometime_o the_o quantity_n of_o a_o menstruum_fw-la compensate_v its_o want_n of_o strength_n we_o know_v that_o there_o be_v several_a liquor_n which_o though_o insipid_a and_o make_v no_o sensible_a impression_n on_o the_o organ_n of_o taste_n yet_o by_o their_o various_a attrition_n and_o frequent_a motion_n against_o body_n become_v fit_a for_o solvent_n so_o the_o air_n have_v its_o part_n always_o act_v on_o copper_n expose_v to_o it_o in_o tract_n of_o time_n produce_v that_o efflorescence_n colour_v like_o verdigrease_n a_o factitious_a body_n usual_o produce_v from_o the_o same_o substance_n corrode_v by_o vinegar_n or_o the_o juice_n of_o the_o husk_n of_o grape_n beside_o we_o see_v that_o mercury_n which_o have_v no_o sensible_a taste_n have_v a_o faculty_n of_o dissolve_v gold_n and_o silver_n and_o all_o strong_a menstruum_n which_o dissolve_v body_n with_o the_o utmost_a vigour_n be_v soon_o glut_v and_o can_v dissolve_v no_o more_o so_o that_o though_o the_o air_n be_v a_o weak_a one_o yet_o it_o have_v this_o last_a advantage_n that_o when_o a_o small_a quantity_n of_o it_o be_v glut_v it_o bear_v so_o great_a a_o proportion_n to_o the_o body_n it_o act_v on_o that_o a_o fresh_a part_n of_o it_o be_v still_o to_o supply_v the_o deficiency_n and_o place_n of_o that_o which_o can_v act_v no_o long_o part_n the_o air_n abound_v with_o saline_n and_o sulphureous_a part_n beside_o the_o air_n abound_v with_o so_o many_o saline_a and_o sulphureous_a part_n that_o by_o rub_v upon_o body_n that_o lie_v in_o their_o way_n by_o frequent_a occursion_n they_o cause_v considerable_a effect_n so_o we_o see_v according_a to_o the_o proverb_n gutta_n cavat_fw-la lapidem_fw-la non_fw-la vi_fw-la sed_fw-la saepe_fw-la cadendo_fw-la moreover_o though_o the_o part_n of_o air_n be_v very_a minute_n yet_o we_o know_v that_o the_o body_n which_o be_v expose_v to_o their_o action_n be_v only_o act_v on_o by_o they_o upon_o their_o outward_a superficies_n which_o may_v consist_v of_o as_o many_o part_n and_o as_o minute_n as_o those_o of_o the_o air_n which_o by_o successive_o hit_v against_o they_o carry_v they_o along_o with_o they_o so_o sugar_n or_o sal_fw-la gem._n be_v immerse_v in_o water_n have_v their_o part_n dissolve_v and_o carry_v up_o into_o the_o liquor_n by_o the_o successive_a attrition_n and_o occursion_n of_o so_o insipid_a a_o menstruum_fw-la and_o who_o part_n be_v in_o so_o gentle_a a_o motion_n body_n the_o sunbeam_n sufficient_a to_o raise_v some_o body_n and_o i_o be_o apt_a to_o believe_v that_o some_o body_n have_v may_v such_o a_o disposition_n to_o be_v work_v upon_o by_o the_o sunbeam_n as_o to_o be_v raise_v by_o they_o in_o such_o a_o form_n as_o not_o to_o be_v distinguish_v from_o the_o body_n they_o be_v raise_v in_o but_o whether_o they_o may_v or_o not_o certain_o it_o be_v consonant_a to_o experience_n that_o the_o atmosphere_n be_v fill_v in_o several_a place_n with_o effluvium_n of_o different_a kind_n and_o of_o uncommon_a or_o unobserved_a nature_n which_o conjecture_n may_v be_v favour_v by_o observe_v how_o subject_a camphire_n be_v to_o waste_v and_o that_o when_o the_o superficies_n of_o some_o solid_a body_n have_v be_v take_v off_o they_o emit_v steam_n copious_o by_o which_o in_o a_o minute_n of_o a_o hour_n they_o suffer_v a_o manifest_a decrement_n of_o weight_n air._n argument_n to_o prove_v latent_fw-la quality_n in_o the_o air._n but_o to_o reassume_v the_o discourse_n we_o have_v make_v this_o digression_n from_o i_o shall_v urge_v some_o argument_n à _fw-la posteriori_fw-la which_o favour_n what_o i_o propose_v concern_v these_o latent_fw-la quality_n in_o the_o air._n and_o first_o i_o shall_v urge_v the_o appear_a growth_n of_o some_o salt_n in_o body_n which_o usual_o afford_v they_o not_o at_o all_o or_o not_o in_o such_o plenty_n vitriolate_v efflorescences_n have_v be_v observe_v to_o be_v after_o sometime_o on_o the_o glister_a part_n of_o marchasite_n which_o be_v keep_v in_o a_o dry_a room_n and_o it_o have_v be_v observe_v that_o a_o heavy_a ponderous_a mineral_n expose_v to_o the_o air_n for_o some_o time_n become_v so_o brittle_a that_o it_o will_v crimble_a away_o and_o plentiful_o abound_v with_o copperas_n and_o some_o of_o the_o same_o be_v keep_v in_o a_o close_a and_o dry_a place_n be_v in_o some_o time_n cover_v over_o with_o a_o efflorescence_n which_o be_v mix_v with_o a_o infusion_n of_o gall_n manifest_v itself_o to_o be_v a_o vitriol_n who_o growth_n be_v the_o more_o strange_a in_o the_o air_n because_o it_o be_v not_o a_o mere_a acid_n salt_n but_o abound_v with_o combustible_a and_o sulphureous_a part_n which_o i_o have_v often_o separate_v from_o common_a vitriol_n without_o the_o addition_n of_o any_o combustible_a matter_n and_o sometime_o without_o any_o addition_n at_o all_o and_o it_o be_v not_o a_o little_a strange_a that_o our_o blackish_a mineral_n yield_v vitriol_n efflorescences_n so_o soon_o since_o i_o keep_v shine_v marchasite_n from_o whence_o they_o usual_o prepare_v vitriol_n without_o be_v change_v near_o so_o much_o as_o those_o i_o have_v mention_v and_o it_o be_v usual_a sometime_o to_o let_v they_o lie_v expose_v to_o the_o air_n two_o year_n before_o they_o yield_v their_o vitriolate_a part_n air._n alum_n over_o regain_v its_o salt_n when_o expose_v to_o the_o air._n to_o these_o observation_n we_o may_v add_v that_o alum_n over_o be_v rob_v of_o its_o salt_n recover_v it_o again_o by_o be_v expose_v to_o the_o air_n and_o lime_n in_o old_a wall_n have_v in_o time_n regain_v a_o nitrous_a spirit_n which_o i_o have_v learn_v by_o dissolve_v it_o in_o common_a water_n and_o evaporate_n the_o filtrate_v solution_n nay_o vitriol_n and_o so_o do_v vitriol_n calcine_v vitriol_n expose_v to_o the_o air_n in_o a_o competent_a time_n regain_v fresh_a part_n of_o a_o vitriolate_a salt_n vitriol_n suspicion_n about_o the_o production_n of_o vitriol_n but_o though_o i_o propose_v these_o observation_n as_o favourable_a to_o the_o suspicion_n lay_v down_o yet_o i_o be_o apt_a to_o suspect_v that_o the_o air_n concur_v to_o the_o production_n of_o they_o rather_o as_o a_o ingredient_n than_o as_o a_o agent_n or_o that_o the_o production_n of_o they_o depend_v on_o some_o seminal_a principle_n by_o which_o when_o they_o be_v once_o ripen_v the_o moisture_n of_o the_o air_n help_v they_o to_o disclose_v themselves_o in_o the_o form_n of_o saline_a concretes_n as_o in_o tartarous_a matter_n saline_a part_n be_v generate_v which_o cause_n that_o acid_a taste_n in_o tartar_n of_o rhenish_a wine_n especial_o beside_o it_o may_v be_v suspect_v that_o the_o salt_n find_v in_o marchasite_n etc._n etc._n may_v be_v make_v of_o saline_a particle_n swim_v in_o the_o air_n and_o attract_v by_o congenerous_a particle_n that_o remain_v in_o those_o body_n that_o be_v as_o it_o be_v the_o womb_n of_o such_o mineral_n or_o that_o these_o aerial_a salt_n assist_v by_o the_o moisture_n of_o the_o air_n open_v the_o texture_n of_o these_o womb_n and_o by_o extricate_a the_o latent_fw-la saline_a part_n and_o adjoin_v with_o they_o compose_v those_o emergent_a body_n but_o though_o i_o suspect_v that_o the_o air_n be_v not_o whole_o concern_v in_o produce_v such_o body_n yet_o i_o believe_v it_o be_v in_o a_o great_a measure_n concern_v as_o i_o have_v already_o intimate_v principle_n the_o necessity_n of_o air_n to_o continue_v flame_n a_o argument_n of_o a_o latent_fw-la principle_n but_o to_o proceed_v to_o other_o instance_n of_o these_o aerial_a latent_fw-la quality_n i_o think_v that_o the_o necessity_n of_o the_o air_n be_v presence_n to_o preserve_v and_o continue_v flame_n be_v a_o sufficient_a argument_n of_o some_o latent_fw-la spirit_n or_o quality_n whether_o vital_a substance_n or_o nitrous_a spirit_n diffuse_v through_o the_o air_n on_o which_o likewise_o the_o life_n of_o animal_n depend_v and_o without_o which_o they_o as_o well_o as_o flame_n present_o be_v extinguish_v and_o die_v to_o these_o i_o shall_v add_v that_o animal_n substance_n enclose_v in_o vacuo_fw-la yield_v not_o infect_v as_o when_o expose_v to_o
seal_a glass_n sect._n i._n to_o separate_v air_n from_o liquor_n by_o boil_v or_o by_o the_o engin._n sect._n i._n to_o obtain_v air_n by_o corrosion_n especial_o with_o spirit_n of_o vinegar_n sect._n i._n to_o separate_v air_n by_o sulphureous_a and_o animal_n menstruum_n sect._n i._n to_o produce_v air_n in_o vacuo_fw-la by_o burning-glass_n and_o hot_a iron_n sect._n i._n to_o obtain_v air_n from_o gunpowder_n and_o other_o nitrous_a substance_n sect._n ii_o the_o air_n produce_v may_v be_v examine_v by_o try_v whether_o it_o will_v preserve_v or_o revive_v 1._o animal_n 2._o flame_n 3._o fire_n 4._o the_o light_n of_o rot_a wood_n fish_n sect._n ii_o to_o examine_v its_o spring_n and_o the_o duration_n of_o it_o as_o also_o it_o be_v weight_n and_o whether_o it_o will_v help_v to_o raise_v the_o smoke_n of_o liquor_n title_n vii_o of_o the_o accidental_a or_o less_o constant_a ingredient_n of_o the_o air._n title_n viii_o of_o aqueous_a particle_n in_o the_o air_n and_o of_o its_o moisture_n and_o dryness_n dryness_n of_o the_o air_n be_v moisture_n and_o dryness_n though_o dryness_n be_v a_o quality_n which_o only_o depend_v on_o this_o viz._n that_o the_o pore_n intercept_v betwixt_o the_o stable_a part_n of_o a_o body_n be_v not_o fill_v with_o any_o visible_a liquor_n yet_o it_o have_v a_o considerable_a interest_n in_o the_o change_n of_o body_n upon_o different_a score_n first_o in_o as_o much_o as_o the_o body_n dry_v be_v deprive_v of_o liquid_a part_n upon_o the_o effect_n of_o which_o several_a of_o its_o operation_n depend_v second_o upon_o the_o recess_n of_o those_o part_n evaporate_v the_o texture_n of_o the_o body_n may_v be_v so_o far_o change_v as_o to_o acquire_v a_o disposition_n to_o act_v otherwise_o and_o to_o be_v act_v on_o in_o a_o different_a manner_n to_o what_o it_o be_v before_o experiment_n i._n to_o evince_v the_o efficacy_n of_o the_o air_n be_v moisture_n we_o suspend_v a_o quarter_n of_o a_o hundred_o weight_n by_o a_o iron_n ring_n at_o the_o end_n of_o a_o rope_n which_o be_v about_o 3_o foot_n and_o a_o half_a long_o and_o 3_o 10_o of_o a_o inch_n in_o diameter_n and_o when_o the_o weight_n have_v stretch_v the_o rope_n for_o 2_o or_o 3_o day_n we_o place_v a_o board_n under_o it_o so_o that_o it_o may_v just_o rest_v upon_o it_o and_o then_o cause_v the_o rope_n to_o be_v wet_a in_o about_o half_a a_o hour_n it_o shorten_v so_o much_o that_o the_o weight_n will_v swing_v this_o way_n and_o that_o like_o a_o pendulum_n without_o touch_v the_o board_n yet_o the_o same_o day_n the_o rope_n be_v stretch_v again_o so_o that_o it_o touch_v the_o board_n about_o morocco_n which_o be_v a_o inland_a town_n though_o the_o soil_v be_v dry_a and_o the_o heat_v violent_a in_o the_o day_n yet_o i_o be_o tell_v by_o one_o who_o be_v there_o that_o the_o nocturnal_a air_n be_v so_o damp_n as_o to_o be_v able_a to_o make_v his_o clothes_n unfit_a to_o be_v wear_v till_o air_v yet_o though_o the_o air_n be_v very_o pierce_v neither_o the_o knife_n in_o his_o pocket_n nor_o the_o sword_n in_o his_o scabbard_n be_v subject_a to_o rust_v though_o the_o same_o metal_n expose_v to_o the_o open_a air_n be_v air_n too_o moist_a can_v be_v wholesome_a the_o air_n about_o oakly_n and_o brill_n in_o buckinghamshire_n though_o a_o high_a country_n be_v so_o moist_a in_o october_n that_o the_o staircase_n and_o picture_n will_v stand_v all_o over_o dew_n which_o gather_v in_o drop_n run_v down_o in_o stream_n and_o it_o be_v obser_v that_o the_o north_n and_o north-east_n side_n of_o the_o house_n be_v so_o moist_a that_o except_o the_o room_n be_v air_v often_o the_o furniture_n will_v rot_v have_v make_v use_n of_o a_o hydroscope_n which_o be_v make_v of_o a_o box_n to_o who_o bottom_n a_o piece_n of_o gut-string_n be_v fasten_v and_o the_o other_o end_n of_o it_o to_o a_o index_n which_o lie_v upon_o the_o top_n of_o the_o box_n the_o circumference_n of_o the_o box_n be_v divide_v into_o degree_n or_o partition_n by_o which_o we_o can_v perceive_v that_o when_o moist_a vapour_n insinuate_v themselves_o into_o the_o pore_n of_o the_o lutestring_n it_o will_v be_v wreathe_v and_o twist_v up_o and_o the_o index_n will_v be_v move_v that_o way_n which_o the_o twist_a of_o the_o rope_n incline_v it_o and_o when_o the_o wether_n be_v dry_a it_o will_v return_v back_o the_o other_o way_n experiment_n ii_o one_o of_o these_o hygroscope_n be_v convey_v into_o a_o small_a receiver_n when_o the_o air_n be_v exhaust_v the_o index_n do_v not_o sensible_o alter_v its_o place_n in_o a_o long_a time_n till_o the_o external_n air_n be_v let_v in_o again_o from_o which_o experiment_n and_o some_o other_o try_v with_o a_o thermoscope_n it_o appear_v that_o the_o aether_n or_o that_o subtle_a matter_n which_o succeed_v in_o the_o place_n of_o the_o exhaust_a air_n be_v neither_o hot_a cold_a moist_a nor_o dry_a title_n ix_o of_o cloud_n mist_n and_o fog_n fog_n of_o cloud_n mist_n and_o fog_n a_o excellent_a astronomer_n tell_v i_o that_o of_o all_o the_o white_a cloud_n who_o height_n he_o have_v measure_v in_o fair_a wether_n he_o find_v none_o to_o exceed_v ¾_n quart_n of_o a_o mile_n and_o very_o few_o above_o ½_n a_o mile_n a_o mist_n at_o sea_n drive_v towards_o the_o shoar_n without_o any_o sensible_a wind_n cause_v the_o sea_n to_o swell_v more_o than_o a_o brisk_a wind._n it_o have_v likewise_o be_v observe_v that_o mist_n in_o some_o place_n rise_v about_o 30_o foot_n high_a have_v fall_v down_o in_o a_o dew_n again_o title_n x_o of_o terrestrial_a steam_n in_o the_o air._n effluvia_fw-la of_o terrestrial_a effluvia_fw-la pillar_n of_o fume_n have_v be_v divers_a time_n observe_v to_o rise_v from_o ground_n which_o have_v several_a vein_n of_o different_a metal_n in_o it_o some_o ill_n scent_v some_o well_o scent_v and_o other_o inodorous_a and_o i_o have_v observe_v that_o the_o charcoal_n make_v in_o cornwall_n afford_v a_o manifest_a arsenical_a and_o sulphureous_a smell_n beyond_o other_o charcoal_n 1685._o jcournal_n des_fw-fr s_o avary_a iii_o 1685._o tell_v est_fw-fr par_fw-fr exemple_n ce_fw-fr nuage_n horrible_a d'une_fw-fr fumée_fw-fr epaisse_fw-fr qui_fw-fr s'eleva_fw-it de_fw-fr la_fw-fr mer_fw-fr de_fw-fr cretee_n au_fw-fr commencement_n de_fw-fr l'eestede_n l'an_n 721._o et_fw-la qui_fw-la s'etant_fw-la repandu_fw-fr dans_fw-fr l'air_fw-fr le_fw-fr fit_a parôistre_fw-fr tout_fw-fr en_fw-fr feu_fw-fr la_fw-fr mer_fw-fr n'en_fw-fr fut_fw-fr pas_fw-fr mesme_fw-fr exempte_n car_fw-fr les_fw-fr gross_v mass_n de_fw-la pierres_fw-la enflammées_fw-fr qu'on_n en_fw-fr vit_fw-fr sortier_n et_fw-la qui_fw-la se_fw-la joignirent_fw-la all_o '_o isle_n qu'on_n nomme_n hiera_n échauferent_a si_fw-fr fort_fw-fr les_fw-fr eau_fw-fr qu'elles_fw-fr en_fw-fr bruloient_fw-fr les_fw-fr mane_n title_n xi_o of_o salt_n in_o the_o air._n air._n of_o the_o salt_n in_o the_o air._n though_o the_o peripatetic_n teach_v that_o the_o air_n be_v a_o element_n and_o consequent_o a_o pure_a simple_a body_n who_o quality_n be_v moist_a and_o dry_a yet_o from_o what_o we_o have_v already_o deliver_v it_o appear_v that_o it_o be_v a_o aggregate_v of_o various_a kind_n of_o effluvia_fw-la jumble_v and_o mix_v together_o i_o mean_v the_o air_n distinct_a from_o that_o pure_a substance_n aether_n which_o i_o suppose_v diffuse_v through_o the_o interstellar_n part_n of_o the_o universe_n among_o the_o effluvia_fw-la which_o rove_v up_o and_o down_o the_o air_n i_o account_v saline_n once_o the_o chief_a which_o be_v not_o unlikely_a since_o the_o terraqueous_a globe_n which_o continual_o emit_v effluvia_fw-la abound_v with_o great_a quantity_n of_o marine_n aluminous_a and_o vitriolate_a salt_n which_o impregnate_n the_o air_n beside_o several_a exhalation_n raise_v by_o the_o sunbeam_n from_o the_o surface_n of_o the_o earth_n and_o water_n not_o to_o mention_v several_a other_o saline_n vapour_n which_o be_v disperse_v in_o the_o atmosphere_n and_o arise_v from_o vulcanos_fw-la as_o well_o as_o common_a fire_n and_o as_o it_o be_v not_o improbable_a but_o that_o the_o air_n plentiful_o abound_v with_o saline_n effluvia_fw-la so_o very_o likely_a beside_o nitrous_a there_o be_v other_o kind_n raise_v up_o and_o rove_a about_o in_o it_o as_o common_a salt_n and_o vitriolate_a salt_n and_o that_o which_o seem_v to_o prove_v that_o the_o air_n in_o some_o place_n abound_v with_o vitriolate_a salt_n be_v that_o it_o have_v be_v observe_v that_o hinge_n have_v be_v corrode_v and_o rot_v and_o other_o thing_n prejudice_v upon_o a_o vitriolate_a soil_n whereas_o in_o house_n which_o stand_v on_o a_o chalky_a soil_n no_o such_o effect_n be_v observe_v beside_o on_o the_o vitriolate_a ground_n we_o take_v notice_n of_o saline_n and_o white_a efflorescence_n upon_o the_o surface_n of_o the_o soil_n when_o beat_v upon_o by_o the_o sunbeam_n beside_o which_o kind_n
those_o of_o the_o water_n into_o motion_n induce_v a_o sensation_n of_o cold_a and_o consequent_o there_o seem_v to_o be_v a_o privation_n of_o that_o motion_n which_o before_o cause_v heat_n argument_n the_o second_o argument_n another_o argument_n allege_v for_o the_o positive_a nature_n of_o cold_a be_v this_o from_o gassendus_fw-la cùm_fw-la per_fw-la hyemem_fw-la immittimus_fw-la manum_fw-la in_o labentis_fw-la fluminis_fw-la aquam_fw-la quod_fw-la frigus_fw-la in_o ea_fw-la sentitur_fw-la non_fw-la potest_fw-la dici_fw-la mera_fw-fr privatio_fw-la aliudque_fw-la prorsus_fw-la esse_fw-la apparet_fw-la sentiri_fw-la aquam_fw-la frigidam_fw-la &_o sentiri_fw-la non_fw-la calidam_fw-la et_fw-la fac_fw-la eandem_fw-la aquam_fw-la gelari_fw-la sentietur_fw-la haud_fw-la dubie_n frigidior_fw-la a_o dices_fw-la boc_fw-la esse_fw-la nihil_fw-la aliud_fw-la quam_fw-la minus_fw-la calidam_fw-la sentiri_fw-la atqui_fw-la calida_fw-la jam_fw-la antea_fw-la non_fw-la erat_fw-la quomodo_fw-la ergò_fw-la potuit_fw-la minus_fw-la calida_fw-la effici_fw-la to_o which_o it_o be_v answer_v that_o our_o sensory_n may_v mis-inform_a we_o as_o when_o a_o stick_n be_v partly_o immerse_v in_o water_n shall_v we_o judge_v of_o it_o by_o what_o appear_v to_o our_o sense_n we_o shall_v conclude_v it_o break_v but_o our_o reason_n rectify_v the_o error_n of_o our_o sense_n we_o be_v satisfy_v it_o be_v not_o beside_o sensation_n may_v depend_v on_o alteration_n in_o the_o internal_a part_n as_o well_o as_o on_o the_o impression_n of_o outward_a object_n as_o in_o hunger_n thirst_v coldness_n in_o ague_n and_o titilation_n upon_o venereal_a thought_n beside_o which_o argument_n that_o urge_v against_o the_o former_a objection_n may_v be_v offer_v against_o this_o and_o since_o water_n be_v not_o so_o cold_a as_o ice_n it_o may_v in_o a_o philosophical_a sense_n be_v say_v to_o be_v comparitive_o warm_a and_o though_o in_o respect_n of_o the_o humour_n of_o our_o body_n it_o be_v cold_a yet_o by_o the_o same_o reason_n we_o may_v conclude_v warm_a water_n cold_a when_o the_o hand_n be_v remove_v out_o of_o hot_a water_n into_o it_o three_o a_o three_o but_o in_o favour_n of_o the_o positive_a nature_n of_o cold_a it_o be_v further_o offer_v that_o cold_a be_v sometime_o introduce_v into_o body_n not_o hot_a before_o to_o which_o it_o be_v answer_v that_o since_o fluidity_n consist_v in_o a_o agitation_n of_o the_o insensible_a part_n of_o a_o body_n and_o heat_v in_o a_o tumultuary_a one_o those_o body_n into_o which_o cold_a be_v introduce_v by_o congelation_n differ_v whilst_o they_o be_v fluid_a only_o in_o degree_n of_o motion_n from_o heat_n and_o even_o when_o water_n be_v freeze_v it_o be_v not_o absolute_o and_o perfect_o cold_a since_o the_o ball_n of_o a_o weatherglass_n be_v immerse_v in_o a_o glass_n of_o water_n and_o take_v out_o when_o the_o water_n be_v freeze_v about_o it_o the_o glass_n have_v be_v before_o tallow_v over_o to_o make_v it_o part_n with_o the_o ice_n the_o ice_n be_v break_v off_o the_o ball_n of_o the_o weatherglass_n the_o air_n which_o be_v cold_o cause_v the_o liquor_n to_o subside_o and_o that_o there_o may_v be_v sensible_a perception_n of_o several_a degree_n of_o privation_n of_o the_o impression_n of_o outward_a object_n appear_v since_o we_o perceive_v a_o sensible_a privation_n of_o light_n when_o the_o moon_n be_v eclipse_v nine_o digit_n and_o a_o more_o sensible_a one_o when_o it_o be_v total_o darken_v but_o though_o i_o argue_v for_o the_o privative_a nature_n of_o cold_a yet_o i_o will_v not_o be_v think_v to_o mean_v that_o a_o absolute_a privation_n of_o motion_n be_v the_o cause_n of_o it_o and_o by_o which_o it_o be_v affect_v for_o i_o rather_o think_v they_o the_o occasion_n than_o the_o efficient_a cause_n the_o motion_n of_o the_o blood_n and_o humour_n be_v different_o modifyed_a upon_o a_o privation_n of_o their_o motion_n and_o consequent_o a_o different_a sensation_n impress_v upon_o the_o sensory_a and_o that_o a_o privation_n of_o the_o motion_n of_o some_o part_n of_o matter_n about_o our_o sensory_a may_v occasion_v a_o new_a determination_n of_o the_o motion_n of_o those_o fluid_n may_v be_v infer_v from_o easy_a observation_n for_o a_o tennis-ball_n be_v various_o determine_v in_o its_o motion_n according_a to_o the_o angle_n of_o incidence_n upon_o another_o body_n and_o though_o the_o arch_n of_o a_o bridge_n be_v quiescent_a body_n yet_o by_o throw_v the_o water_n together_o they_o render_v its_o stream_n violent_a enough_o to_o turn_v mill_n and_o even_o the_o rapid_a motion_n of_o a_o bullet_n may_v receive_v a_o new_a determination_n of_o its_o motion_n by_o strike_v upon_o the_o surface_n of_o the_o water_n if_o when_o it_o be_v first_o discharge_v it_o make_v a_o sharp_a angle_n with_o the_o water_n so_o that_o its_o angle_n of_o incidence_n may_v not_o be_v too_o blunt_a and_o that_o various_a effect_n may_v ensue_v a_o privation_n of_o some_o principal_a cause_n of_o former_a event_n appear_v further_a from_o observe_v that_o by_o stop_v the_o motion_n of_o water_n a_o mill_n present_o cease_v to_o move_v though_o no_o positive_a violence_n be_v offer_v to_o it_o and_o upon_o a_o relaxation_n of_o the_o violence_n of_o wind_n all_o that_o be_v perform_v by_o the_o mill_n present_o cease_v for_o want_v of_o wind_n and_o in_o paralytic_a case_n a_o viscous_a or_o narcotic_a humour_n obstruct_v or_o disaffect_v one_o part_n of_o a_o nerve_n so_o that_o spirit_n can_v free_o circulate_v through_o it_o occasion_n several_a odd_a and_o terrible_a symptom_n and_o animal_n include_v in_o a_o air-pump_n die_v bare_o by_o a_o privation_n of_o air_n though_o nothing_o else_o be_v present_a to_o disaffect_v they_o and_o even_o infect_v though_o void_a of_o motion_n upon_o a_o privation_n of_o air_n yet_o when_o it_o be_v again_o let_v into_o they_o they_o move_v about_o as_o the_o advantage_n of_o their_o species_n enable_v they_o so_o that_o from_o what_o have_v be_v say_v it_o appear_v that_o a_o privation_n of_o the_o agitation_n of_o the_o humour_n may_v occasion_v a_o contrary_a and_o probable_o the_o effect_n ascribe_v to_o cold._n four_o a_o four_o the_o next_o argument_n allege_v by_o gassendus_fw-la and_o to_o be_v consider_v be_v this_o fac_n manuum_fw-la immitti_fw-la in_o aquam_fw-la nunc_fw-la calidam_fw-la nunc_fw-la frigidam_fw-la quamobrem_fw-la manus_fw-la intra_fw-la istam_fw-la non_fw-la intra_fw-la illam_fw-la refrigeratur_fw-la an_fw-mi quia_fw-la calor_fw-la manus_fw-la intra_fw-la frigidam_fw-la retrabitur_fw-la manusque_fw-la proinde_fw-la relinquitur_fw-la calida_fw-la manus_fw-la at_o quidnam_fw-la calor_fw-la refugit_fw-la quod_fw-la intra_fw-la frigidam_fw-la reperiatur_fw-la nun_n frigas_fw-la at_o si_fw-la frigus_fw-la est_fw-la tantum_n privatio_fw-la quidnam_fw-la calor_fw-la ab_fw-la illa_fw-la metuit_fw-la privatio_fw-la sane_fw-la nihil_fw-la est_fw-la atque_fw-la adeo_fw-la nihil_fw-la agere_fw-la unde_fw-la ejus_fw-la motus_fw-la incutiatur_fw-la potest_fw-la but_o without_o suppose_v insensible_a matter_n to_o be_v in_o the_o least_o capable_a of_o proscecute_v or_o avoid_v what_o be_v hurtful_a to_o it_o this_o objection_n be_v easy_o answer_v for_o the_o reason_n why_o warm_a water_n feel_v hot_a and_o cold_a affect_v we_o upon_o immerge_v our_o hand_n in_o it_o be_v because_o the_o part_n of_o the_o one_o be_v more_o and_o the_o part_n of_o the_o other_o less_o agitate_a than_o those_o about_o the_o sensory_a and_o the_o motion_n of_o humour_n about_o our_o sensory_a be_v increase_v we_o feel_v a_o hot_a sensation_n and_o a_o cold_a one_o upon_o a_o privation_n of_o that_o motion_n five_o a_o five_o and_o though_o it_o be_v urge_v by_o some_o in_o favour_n of_o the_o positive_a nature_n of_o cold_a that_o water_n be_v freeze_v by_o external_o apply_v to_o the_o outside_n of_o a_o glass_n a_o mixture_n of_o snow_n and_o salt_n yet_o to_o show_v that_o argument_n prove_v not_o that_o cold_a act_n positive_o i_o shall_v add_v the_o follow_a explication_n of_o des_fw-fr cartes_n quia_fw-la materia_fw-la subtilis_fw-la partibus_fw-la bujus_fw-la aquae_fw-la circumfusa_fw-la crassior_fw-la aut_fw-la minus_fw-la subtilis_fw-la &_o consequenter_fw-la plum_n virium_fw-la habens_fw-la quam_fw-la illa_fw-la quae_fw-la circa_fw-la nivis_fw-la part_n herebat_fw-la locum_fw-la illius_fw-la occupo_fw-la dum_fw-la part_n nivis_fw-la liquescendo_fw-la partibus_fw-la salis_fw-la circumvolvuntur_fw-la facilius_fw-la enim_fw-la per_fw-la salsae_fw-la aquae_fw-la quam_fw-la per_fw-la dulcis_fw-la poros_fw-la movetur_fw-la &_o perpetuo_fw-la ex_fw-la corpore_fw-la uno_fw-la in_fw-la aliud_fw-la transire_fw-la nititur_fw-la ut_fw-la ad_fw-la ea_fw-la loca_fw-la perveniat_fw-la in_o quibus_fw-la mortui_fw-la svo_fw-la minus_fw-la resistitur_fw-la quo_fw-la ipso_fw-la materia_fw-la subtilior_fw-la ex_fw-la nive_v in_fw-la aquam_fw-la penetrate_v ut_fw-la egredienti_fw-la succedat_fw-la &_o quum_fw-la non_fw-la satis_fw-la valida_fw-la fit_a ad_fw-la continuandam_fw-la agitationem_fw-la huius_fw-la aquae_fw-la illam_fw-la concrescere_fw-la sinit_fw-la and_o in_o a_o similar_v manner_n calces_fw-la or_o precipitates_fw-la or_o other_o powder_n be_v dry_v by_o be_v place_v on_o a_o piece_n of_o paper_n
we_o can_v ready_o precipitate_v with_o the_o spirit_n of_o blood_n a_o substance_n which_o look_v like_o a_o white_a earth_n and_o such_o a_o substance_n i_o obtain_v in_o a_o far_o great_a quantity_n from_o that_o which_o the_o saltmaker_n call_v bittern_n which_o usual_o remain_v in_o their_o salt_n pan_n when_o they_o have_v take_v out_o about_o as_o much_o salt_n as_o will_v coagulate_v in_o figure_a grain_n this_o spirit_n of_o human_a blood_n do_v likewise_o precipitate_a a_o solution_n of_o dantzik_n vitriol_n in_o water_n but_o that_o solution_n be_v not_o a_o total_a one_o title_n xii_o of_o the_o affinity_n between_o spirit_n of_o human_a blood_n and_o some_o chemical_a oil_n and_o vinous_a spirit_n that_o there_o be_v a_o affinity_n betwixt_o spirit_n of_o human_a blood_n and_o spirit_n of_o wine_n appear_v since_o we_o have_v former_o observe_v that_o be_v put_v together_o they_o will_v concoagulate_v and_o continue_v unite_v a_o long_a time_n and_o though_o a_o rectify_a spirit_n of_o wine_n will_v not_o draw_v a_o tincture_n from_o blood_n yet_o spirit_n of_o blood_n will_n but_o as_o for_o lixiviate_v liquor_n such_o as_o be_v make_v of_o salt_n of_o tartar_n fix_v nitre_n etc._n etc._n we_o find_v not_o that_o they_o will_v strict_o associate_v with_o it_o spirit_n of_o blood_n ready_o mix_v with_o that_o adiaphorous_a spirit_n former_o mention_v but_o dephlegm_v spirit_n of_o blood_n mix_v by_o agitation_n with_o its_o oil_n will_v present_o separate_v again_o though_o with_o spirit_n of_o wine_n it_o will_v permanent_o unite_v though_o these_o two_o liquor_n belong_v to_o a_o different_a viz._n the_o one_o to_o the_o animal_n and_o the_o other_o to_o the_o vegetable_a kingdom_n with_o the_o essential_a oil_n of_o aromatic_a vegetable_n the_o spirit_n seem_v to_o have_v a_o great_a affinity_n for_o a_o equal_a proportion_n of_o this_o liquor_n and_o of_o oil_n of_o aniseed_n draw_v in_o a_o alembick_a per_fw-la vesicam_fw-la be_v shake_v together_o they_o make_v a_o soft_a or_o semifluid_a coagulation_n which_o continue_v in_o that_o form_n for_o a_o day_n or_o two_o and_o will_v probable_o have_v long_o do_v so_o if_o i_o have_v not_o have_v occasion_n to_o proceed_v further_o with_o it_o to_o show_v that_o spirit_n of_o human_a blood_n may_v either_o communicate_v some_o of_o its_o saline_a part_n to_o essential_a oil_n or_o work_v a_o change_n in_o they_o i_o digest_v a_o while_n in_o a_o glass_n with_o a_o long_a neck_n some_o recstify_v spirit_n of_o human_a blood_n with_o a_o convenient_a quantity_n of_o oil_n of_o aniseed_n draw_v in_o a_o alembick_a and_o find_v that_o the_o oil_n grow_v colour_v of_o a_o high_a yellow_a and_o afterward_o attain_v a_o high_a redness_n which_o may_v afford_v we_o a_o hint_n of_o the_o cause_n of_o some_o change_n of_o colour_n that_o be_v produce_v in_o the_o liquor_n of_o the_o body_n to_o take_v off_o the_o stink_a quality_n of_o human_a blood_n and_o to_o render_v it_o more_o grateful_a we_o mix_v with_o it_o in_o a_o glass_n about_o a_o equal_a quantity_n or_o half_a as_o much_o oil_n of_o aniseed_n and_o have_v shake_v they_o together_o in_o the_o glass_n we_o place_v it_o in_o a_o furnace_n with_o a_o gentle_a heat_n by_o which_o mean_v the_o slight_a texture_n of_o the_o coagulum_fw-la be_v dissolve_v part_n of_o the_o oil_n appear_v float_v upon_o the_o top_n whence_o be_v separate_v by_o a_o tunnel_n the_o liquor_n be_v whitish_a and_o without_o a_o stink_a smell_n it_o smell_v and_o taste_v strong_a of_o aniseed_n though_o the_o saline_a particle_n retain_v a_o considerable_a degree_n of_o their_o brisk_a and_o penetrate_a taste_n another_o way_n i_o take_v to_o deprive_v spirit_n of_o human_a blood_n of_o its_o offensive_a smell_n be_v by_o employ_v a_o medium_fw-la to_o unite_v it_o with_o essential_a oil_n for_o have_v dissolve_v a_o eight_o part_n of_o oil_n of_o aniseed_n in_o high_o rectify_v spirit_n of_o wine_n and_o add_v a_o equal_a quantity_n of_o spirit_n of_o human_a blood_n and_o upon_o a_o convenient_a agitation_n we_o suffer_v the_o mixture_n to_o settle_v a_o considerable_a time_n after_o that_o it_o appear_v that_o some_o of_o the_o oil_n swim_v in_o drop_n distinct_a from_o the_o other_o liquor_n which_o consist_v of_o a_o mixture_n of_o the_o two_o spirit_n impregnate_v with_o a_o few_o particle_n of_o oil_n which_o they_o have_v detain_v this_o liquor_n abound_v with_o little_a concretion_n make_v by_o the_o coagulation_n of_o the_o sanguineous_a and_o vinous_a spirit_n which_o by_o a_o gentle_a heat_n be_v sublime_v in_o the_o form_n of_o a_o volatile_a salt_n to_o the_o upper_a part_n of_o the_o glass_n and_o this_o salt_n have_v not_o only_o a_o much_o less_o penetrate_a odour_n than_o the_o mere_a volatile_a salt_n of_o human_a blood_n but_o have_v quite_o lose_v its_o stink_n and_o yet_o retain_v a_o considerable_a quickness_n and_o something_o of_o the_o scent_n of_o aniseed_n and_o the_o remain_a liquor_n be_v likewise_o deprive_v of_o its_o ill_a smell_n and_o moderate_o imbue_v with_o that_o of_o the_o oil_n to_o try_v whether_o there_o will_v be_v any_o affinity_n between_o our_o spirit_n and_o the_o high_o rectify_a oil_n of_o petroleum_n i_o shake_v a_o convenient_a quantity_n of_o they_o together_o in_o a_o new_a vial_n upon_o which_o they_o present_o turn_v into_o a_o white_a mixture_n and_o though_o after_o a_o few_o hour_n the_o great_a part_n of_o the_o oil_n swim_v above_o the_o spirit_n yet_o there_o appear_v betwixt_o the_o two_o liquor_n a_o good_a quantity_n of_o whiteish_a matter_n which_o seem_v to_o be_v produce_v by_o the_o union_n of_o many_o particle_n of_o the_o spirit_n and_o oil_n which_o be_v most_o dispose_v to_o combine_v title_n xiii_o of_o the_o relation_n betwixt_o spirit_n of_o human_a blood_n and_o the_o air._n to_o try_v whether_o the_o air_n will_v have_v any_o considerable_a effect_n on_o the_o spirit_n of_o human_a blood_n after_o distillation_n as_o it_o evident_o have_v on_o the_o blood_n before_o i_o spread_v thin_o upon_o a_o piece_n of_o white_a paper_n some_o small_a file_n of_o copper_n and_o wet_v they_o well_o without_o cover_v they_o quite_o over_o with_o a_o few_o drop_n of_o blood_n by_o that_o mean_v they_o be_v well_o expose_v to_o the_o free_a air_n the_o action_n of_o the_o liquor_n be_v so_o much_o promote_v that_o within_o a_o minute_n or_o two_o it_o do_v even_o in_o the_o cold_a acquire_v a_o blueish_a colour_n and_o in_o few_o minute_n than_o one_o will_v have_v expect_v that_o colour_n be_v so_o heighten_v as_o to_o become_v ceruleous_a but_o another_o parcel_n of_o the_o same_o file_n be_v put_v into_o a_o vial_n the_o intercourse_n of_o the_o air_n be_v exclude_v the_o liquor_n will_v not_o in_o some_o hour_n acquire_v so_o deep_a a_o colour_n have_v in_o a_o clear_a cylindrical_a vial_n of_o about_o a_o inch_n diameter_n put_v more_o file_n of_o copper_n than_o be_v requisite_a to_o cover_v the_o bottom_n and_o pour_v so_o much_o spirit_n of_o blood_n upon_o they_o as_o wrought_v about_o a_o finger_n breadth_n above_o they_o it_o in_o a_o few_o hour_n acquire_v a_o rich_a colour_n which_o after_o a_o day_n or_o two_o begin_v to_o grow_v more_o faint_a and_o afterward_o gradual_o decline_v till_o it_o be_v almost_o lose_v yet_o the_o liquor_n be_v not_o altogether_o limpid_a or_o colourless_a as_o i_o have_v often_o have_v it_o with_o spirit_n of_o urine_n or_o salarmoniack_a and_o these_o remain_v of_o blueishness_n i_o attribute_v to_o the_o effect_n of_o the_o air_n include_v in_o the_o bottle_n with_o so_o small_a a_o quantity_n of_o liquor_n and_o though_o i_o think_v it_o not_o impossible_a but_o that_o length_n of_o time_n may_v destroy_v its_o blueishness_n yet_o unstop_v the_o vessel_n i_o observe_v that_o in_o two_o minute_n of_o a_o hour_n the_o surface_n of_o the_o liquor_n where_o it_o touch_v the_o fresh_a air_n become_v ceruleous_a and_o in_o a_o quarter_n of_o a_o hour_n the_o whole_a body_n of_o the_o liquor_n have_v attain_v a_o deep_a colour_n than_o that_o of_o the_o sky_n which_o colour_n grow_v sensible_o pale_a again_o when_o the_o vial_n be_v stop_v but_o one_o thing_n i_o must_v add_v be_v that_o i_o have_v find_v the_o experiment_n to_o succeed_v with_o some_o analogy_n when_o another_o volatile_a spirit_n have_v be_v make_v use_n of_o in_o which_o there_o be_v no_o volatile_a salt_n of_o human_a blood_n but_o the_o experiment_n be_v repeat_v the_o air_n produce_v a_o green_a and_o not_o a_o ceruleous_a colour_n which_o make_v i_o suspend_v my_o judgement_n till_o satisfy_v by_o further_a experience_n whether_o the_o event_n of_o the_o former_a trial_n depend_v on_o any_o affinity_n of_o the_o spirit_n with_o blood_n or_o not_o and_o here_o i_o shall_v add_v that_o a_o parcel_n of_o
again_o without_o the_o additional_a weight_n of_o four_o ounce_n and_o in_o this_o experiment_n it_o be_v further_a to_o be_v observe_v that_o as_o the_o valve_n be_v raise_v high_a and_o high_o in_o the_o cucurbite_n a_o weight_n portionable_o less_o be_v sufficient_a to_o open_v it_o in_o which_o experiment_n if_o fuga_fw-la vacui_fw-la resist_v the_o open_n of_o the_o valve_n it_o will_v have_v require_v the_o same_o weight_n at_o the_o top_n of_o the_o water_n as_o in_o the_o bottom_n the_o valve_n be_v in_o both_o place_n under_o water_n and_o therefore_o the_o difference_n rather_o proceed_v from_o the_o compressure_n of_o the_o ambient_fw-la water_n that_o press_v the_o part_n of_o the_o valve_n together_o and_o though_o air_n be_v a_o body_n much_o more_o light_a than_o water_n yet_o consider_v that_o the_o difference_n be_v but_o about_o as_o much_o as_o 1000_o to_o 1_o and_o that_o the_o particle_n of_o air_n which_o press_v upon_o our_o atmosphaere_n be_v incumbent_a upon_o each_o other_o for_o several_a score_n miles_n in_o height_n it_o be_v not_o absurd_a to_o expect_v that_o their_o pressure_n shall_v be_v considerable_a and_o sufficient_a to_o press_v the_o two_o marble_n together_o for_o a_o further_a confirmation_n of_o our_o doctrine_n of_o firmness_n to_o this_o i_o shall_v add_v another_o experiment_n which_o be_v that_o have_v suspend_v the_o aforementioned_a coherent_a marble_n in_o a_o large_a glass_n when_o the_o air_n be_v considerable_o exhaust_v the_o low_a present_o fall_v from_o it_o and_o though_o the_o uppermost_a be_v let_v down_o to_o it_o yet_o it_o can_v not_o be_v raise_v till_o fresh_a air_n be_v admit_v into_o the_o glass_n again_o and_o then_o they_o be_v again_o press_v strong_o together_o and_o become_v coherent_a as_o in_o the_o open_a air._n rest_n rest_v itself_o for_o the_o most_o part_n sufficient_a to_o cause_v rest_n but_o to_o return_v to_o our_o discourse_n from_o which_o these_o experiment_n have_v make_v a_o digression_n though_o the_o pressure_n of_o the_o air_n may_v so_o join_v body_n together_o as_o to_o make_v they_o coherent_a yet_o general_o rest_v itself_o be_v sufficient_a to_o render_v a_o substance_n solid_a for_o since_o from_o what_o we_o have_v say_v above_o concern_v fluidity_n it_o appear_v that_o it_o depend_v on_o the_o motion_n of_o minute_n part_v one_o among_o another_o to_o deprive_v matter_n of_o that_o motion_n be_v enough_o to_o render_v it_o solid_a the_o part_n of_o a_o solid_a be_v contiguous_a and_o at_o rest_n refute_v the_o opinion_n of_o some_o ancient_n and_o modern_n brief_o refute_v i_o know_v it_o be_v by_o all_o philospher_n whether_o modern_a or_o ancient_a usual_o hold_v that_o there_o be_v something_o else_o requisite_a to_o keep_v the_o part_n of_o a_o stable_a body_n together_o for_o some_o hold_n that_o a_o substantial_a form_n be_v requisite_a but_o since_o it_o be_v equal_o as_o difficult_a to_o conceive_v how_o matter_n shall_v be_v so_o various_o unite_v in_o several_a substance_n by_o a_o substantial_a form_n as_o without_o it_o we_o may_v as_o well_o fly_v to_o imaginary_a substance_n which_o be_v unite_v by_o their_o peculiar_a texture_n other_o think_v that_o the_o particle_n of_o solid_a body_n be_v link_v together_o by_o a_o spirit_n diffuse_v throughout_o the_o world_n or_o by_o a_o certain_a sort_n of_o glue_n which_o glew_v their_o small_a corpuscle_n together_o but_o as_o to_o the_o first_o it_o be_v altogether_o unlikely_a for_o it_o may_v as_o well_o be_v a_o question_n how_o those_o part_n stick_v to_o the_o spirit_n as_o how_o they_o stick_v to_o one_o another_z themselves_o and_o it_o will_v be_v no_o less_o difficult_a to_o conceive_v how_o the_o particle_n of_o that_o spirit_n itself_o come_v to_o be_v fasten_v together_o beside_o be_v that_o true_a it_o will_v follow_v that_o ice_n which_o be_v look_v upon_o as_o a_o body_n void_a of_o spirit_n must_v abound_v with_o it_o since_o the_o part_n of_o that_o brittle_a substance_n can_v not_o be_v join_v by_o a_o spirit_n which_o be_v not_o betwixt_o they_o nor_o be_v it_o more_o reasonable_a to_o suppose_v they_o join_v by_o a_o cement_n since_o it_o may_v likewise_o be_v ask_v how_o the_o part_n of_o that_o cement_n be_v link_v together_o which_o shall_v it_o be_v affirm_v to_o be_v do_v by_o a_o substance_n yet_o fine_a the_o question_n may_v still_o be_v continue_v ad_fw-la infinitum_fw-la so_o that_o it_o will_v at_o last_o be_v allow_v that_o some_o part_n of_o matter_n must_v adhere_v without_o a_o cement_n or_o there_o must_v be_v cement_v fine_a one_o than_o another_o ad_fw-la infinitum_fw-la which_o since_o it_o can_v be_v allow_v we_o may_v as_o well_o suppose_v that_o the_o part_n of_o a_o body_n adhere_v without_o a_o gross_a cement_n as_o that_o the_o part_n of_o a_o subtle_a cement_n can_v stick_v together_o without_o another_o substance_n to_o cement_v they_o especial_o since_o the_o corpuscle_n of_o a_o body_n may_v be_v so_o figure_v and_o contrive_v as_o to_o be_v link_v among_o one_o another_o very_o firm_o a_o agreeable_a contact_n with_o a_o real_a rest_n of_o part_n contribute_v to_o render_v the_o unite_a substance_n a_o solid_a body_n but_o in_o favour_n of_o the_o former_a opinion_n it_o be_v urge_v by_o some_o that_o the_o spirit_n which_o they_o suppose_v join_v the_o part_n of_o a_o body_n together_o consist_v of_o part_n indivisible_a and_o consequent_o there_o be_v no_o need_n of_o another_o substance_n to_o unite_v they_o but_o since_o body_n as_o solid_a and_o adamantine_a as_o these_o can_v be_v suppose_v to_o be_v may_v be_v break_v a_o bare_a affirmation_n must_v not_o be_v take_v for_o proof_n for_o to_o suppose_v that_o these_o part_n of_o matter_n be_v make_v up_o of_o hook_a part_n it_o will_v be_v as_o reasonable_a to_o believe_v that_o those_o hook_a part_n may_v not_o be_v break_v as_o that_o by_o a_o violent_a agent_n the_o particle_n of_o the_o most_o solid_a body_n can_v be_v divide_v since_o it_o be_v plain_a they_o may_v but_o to_o proceed_v the_o last_o thing_n we_o suppose_v necessary_a to_o constitute_v a_o body_n be_v the_o texture_n of_o its_o part_n and_o indeed_o though_o a_o juxta-position_n and_o rest_n of_o the_o part_n of_o a_o body_n be_v sufficient_a to_o render_v it_o solid_a yet_o if_o those_o part_n be_v more_o intimate_o interweave_v with_o one_o another_o so_o as_o to_o be_v link_v together_o like_o hook_n it_o must_v contribute_v to_o render_v the_o body_n much_o more_o firm_a part_v so_o join_v be_v much_o more_o difficult_o separate_v and_o put_v into_o motion_n than_o those_o which_o have_v only_o a_o immediate_a contact_n and_o it_o may_v not_o a_o little_a serve_v to_o confirm_v our_o opinion_n to_o take_v notice_n that_o in_o a_o egg_n or_o water_n by_o a_o mere_a alteration_n of_o texture_n the_o disposition_n of_o corpuscle_n of_o those_o substance_n be_v considerable_o change_v as_o when_o a_o egg_n be_v by_o the_o insinuation_n of_o the_o part_n of_o fire_n so_o alter_v as_o to_o become_v hard_o or_o as_o when_o the_o latter_a as_o well_o as_o water_n be_v beat_v into_o a_o froth_n which_o in_o some_o measure_n be_v like_o a_o solid_a body_n as_o long_o as_o they_o continue_v in_o that_o form_n have_v thus_o far_o inquire_v into_o the_o conjunct_a cause_n of_o solidity_n we_o shall_v consider_v brief_o how_o many_o way_n a_o body_n may_v come_v to_o be_v so_o modify_v and_o what_o thing_n be_v requisite_a to_o make_v body_n apt_a to_o put_v on_o such_o a_o form_n solidity_n the_o figure_n of_o the_o part_n of_o a_o body_n contribute_v to_o their_o solidity_n the_o first_o and_o most_o remarkable_a thing_n be_v the_o figure_n and_o shape_n of_o the_o part_n of_o matter_n as_o if_o they_o be_v hook_v or_o otherwise_o shape_v so_o as_o to_o entangle_v one_o within_o another_o they_o will_v be_v with_o more_o difficulty_n separate_v which_o be_v evident_a in_o close-set_a hedge_n where_o by_o pull_v away_o one_o bough_n the_o slender_a twig_n of_o other_o interweave_v with_o it_o make_v it_o hard_a to_o be_v separate_v and_o not_o without_o pull_v some_o other_o along_o with_o it_o â—o_o likewise_o the_o slender_a thread_n which_o make_v up_o cable_n be_v twist_v and_o wind_v one_o within_o another_o be_v capable_a of_o sustain_v a_o much_o great_a weight_n and_o require_v much_o more_o force_n to_o braeke_v they_o and_o indeed_o this_o configuration_n of_o part_n seem_v to_o have_v be_v the_o opinion_n of_o the_o ancient_a atomist_n of_o which_o lucretius_n have_v give_v the_o follow_a account_n in_o these_o verse_n denique_fw-la quae_fw-la nobis_fw-la durata_fw-la ac_fw-la spissa_fw-la videntur_fw-la haec_fw-la magis_fw-la hamatis_fw-la inter_fw-la se_fw-la esse_fw-la necess_n '_o est_fw-fr et_fw-la quasi_fw-la ramosis_fw-la alta_fw-la compacta_fw-la teneri_fw-la in_o quo_fw-la jam_fw-la
agent_n in_o animal_n body_n and_o the_o effect_n of_o those_o invisible_a spirit_n which_o move_v through_o the_o nerve_n which_o by_o such_o weighty_a mass_n of_o matter_n as_o the_o body_n of_o some_o animal_n be_v violent_o move_v up_o and_o down_o to_o which_o may_v be_v add_v that_o by_o the_o bare_a insinuation_n of_o moisture_n into_o the_o pore_n of_o a_o rope_n it_o may_v be_v so_o contract_v as_o to_o raise_v above_o sixty_o pound_n weight_n above_o the_o place_n those_o weight_n be_v suspend_v at_o in_o dry_a wether_n and_o though_o metal_n will_v endure_v the_o heat_n of_o a_o red-hot_a crucible_n yet_o may_v they_o easy_o be_v melr_v with_o the_o flame_n of_o a_o candle_n if_o the_o heat_n and_o activity_n of_o it_o be_v promote_v by_o a_o blow-pipe_n and_o how_o much_o more_o able_a the_o part_n of_o a_o agent_n be_v to_o operate_v upon_o a_o body_n when_o they_o be_v intimate_o mix_v with_o that_o they_o be_v to_o work_v upon_o than_o superficial_o appear_v from_o tartar_n which_o be_v much_o soon_o calcine_v if_o nitre_n be_v so_o mix_v with_o it_o that_o upon_o deflagration_n the_o flame_n may_v be_v commix_v with_o all_o its_o part_n than_o if_o it_o only_a act_n immediate_o on_o the_o outside_o iron_n the_o effect_n of_o a_o lead-stone_n upon_o filign_v of_o iron_n but_o to_o allege_v instance_n which_o will_v be_v of_o more_o force_n though_o the_o effluvia_fw-la of_o a_o loadstone_n be_v very_a minute_n and_o the_o body_n of_o iron_n or_o steel_n very_o solid_a yet_o i_o have_v see_v a_o magnet_n who_o effluvia_fw-la be_v so_o powerful_a as_o to_o attract_v and_o sustain_v fifty_o time_n the_o weight_n of_o the_o stone_n itself_o and_o to_o make_v it_o appear_v how_o probable_o the_o effluvia_fw-la of_o a_o magnet_n may_v change_v the_o texture_n of_o solid_a steel_n and_o by_o that_o mean_n endow_v it_o with_o those_o quality_n which_o iron_n usual_o derive_v from_o it_o i_o place_v file_n of_o steel_n upon_o a_o piece_n of_o paper_n hold_v under_o it_o the_o pole_n of_o a_o vigorous_a loadstone_n by_o the_o effluvia_fw-la of_o which_o the_o file_n be_v present_o so_o range_v as_o to_o representseveral_a needle_n or_o pike_n make_v up_o of_o particle_n of_o iron_n stick_v one_o upon_o another_o and_o these_o may_v be_v move_v up_o and_o down_o by_o remove_v the_o loadstone_n from_o one_o place_n to_o another_o but_o as_o soon_o as_o the_o loadstone_n be_v remove_v from_o that_o place_n to_o such_o a_o distance_n that_o it_o be_v subtle_a emanation_n have_v no_o long_o any_o influence_n upon_o the_o powder_n the_o part_n of_o it_o present_o lose_v that_o order_n and_o fall_v into_o a_o confuse_a heap_n as_o before_o that_o loadstone_n be_v apply_v again_o though_o the_o particle_n of_o water_n be_v so_o small_a as_o to_o be_v invisible_a and_o their_o motion_n very_o weak_a yet_o be_v it_o so_o powerful_a that_o upon_o freeze_a the_o expansion_n of_o the_o frigorifick_a part_n be_v strong_a enough_o to_o break_v bottle_n not_o only_o of_o glass_n but_o metal_n and_o the_o expansion_n oftentimes_o be_v so_o violent_a as_o to_o exceed_v the_o force_n of_o any_o other_o body_n in_o expanding_n except_o gunpowder_n that_o i_o know_v of_o chap._n xvi_o of_o the_o propagable_a nature_n of_o motion_n iv_o it_o be_v usual_o not_o sufficient_o take_v notice_n of_o vi_o prop._n vi_o how_o local_a motion_n may_v be_v propagate_v through_o several_a medium_n and_o even_o solid_a body_n it_o be_v usual_o think_v because_o some_o body_n when_o they_o strike_v against_o solid_a one_o common_o fly_v back_o that_o the_o impulse_n of_o that_o body_n be_v not_o able_a to_o put_v the_o other_o into_o motion_n but_o that_o the_o part_n of_o a_o solid_a may_v be_v put_v into_o motion_n and_o that_o that_o motion_n may_v be_v propagate_v through_o such_o consistent_a substance_n be_v evident_a if_o we_o strike_v a_o piece_n of_o timber_n slight_o upon_o one_o end_n for_o by_o that_o mean_n the_o motion_n cause_v by_o that_o impression_n will_v be_v carry_v on_o to_o the_o other_o and_o i_o have_v by_o experience_n find_v that_o have_v draw_v the_o point_n of_o a_o pin_n upon_o the_o brim_n of_o a_o hemispherical_a vessel_n which_o be_v make_v of_o bell-metal_n which_o be_v much_o hard_a than_o steel_n i_o find_v it_o from_o a_o very_a slight_a impression_n to_o produce_v such_o a_o last_a sound_n as_o be_v a_o argument_n that_o the_o part_n of_o the_o metal_n be_v not_o only_o put_v into_o such_o a_o vibrate_v motion_n as_o to_o communicate_v it_o to_o the_o air_n but_o to_o continue_v it_o successive_o round_o the_o brim_n of_o the_o vessel_n till_o the_o sound_v cease_v and_o the_o like_a propagation_n of_o sound_n i_o find_v to_o succeed_v though_o the_o point_n of_o a_o pin_n be_v but_o strike_v upon_o that_o vessel_n which_o be_v seven_o inch_n in_o diameter_n and_o indeed_o the_o propagable_a motion_n of_o solid_n when_o they_o be_v act_v on_o by_o fluids_n be_v not_o less_o remarkable_a since_o the_o part_n of_o a_o bar_n of_o iron_n or_o glass_n may_v be_v put_v into_o such_o a_o motion_n by_o heat_n as_o to_o have_v it_o continue_v to_o some_o distance_n from_o the_o place_n where_o the_o fire_n first_o work_v upon_o they_o though_o it_o be_v capable_a of_o be_v propagate_v much_o further_a in_o the_o former_a of_o the_o two_o which_o show_v how_o much_o the_o texture_n of_o body_n dispose_v they_o to_o be_v different_o work_v upon_o by_o the_o same_o agent_n and_o how_o much_o a_o convenient_a texture_n dispose_v they_o to_o be_v work_v upon_o at_o all_o and_o it_o may_v be_v further_o observe_v that_o it_o be_v look_v upon_o as_o a_o sign_n of_o the_o firm_a connection_n of_o a_o house_n that_o upon_o the_o clap_v of_o a_o door_n the_o whole_a shake_n and_o it_o be_v likewise_o a_o argument_n of_o the_o communicableness_n of_o motion_n whether_o it_o depend_v on_o the_o mutual_a contact_n of_o the_o door_n and_o the_o post_n it_o shut_v against_o or_o upon_o the_o impression_n make_v upon_o the_o include_v air_n by_o the_o door_n for_o the_o former_a show_n how_o a_o solid_a may_v propagate_v motion_n among_o solid_n and_o the_o latter_a how_o it_o may_v give_v motion_n to_o a_o fluid_a and_o vice_n versâ_fw-la but_o further_a it_o be_v assert_v by_o seneca_n that_o upon_o the_o explosion_n of_o those_o subterraneali_n exhalation_n which_o be_v the_o cause_n of_o earthquake_n the_o tremulous_a motion_n of_o the_o earth_n be_v continue_v above_o two_o hundred_o mile_n and_o josephus_n acosta_n witness_v that_o it_o have_v be_v continue_v for_o three_o hundred_o league_n in_o the_o kingdom_n of_o peru_n and_o learned_a writer_n in_o the_o begin_n of_o our_o age_n 1601_o witness_v that_o the_o motion_n of_o the_o earth_n be_v so_o violent_a as_o to_o shake_v most_o part_n of_o europe_n be_v propagate_v through_o most_o part_n of_o asia_n hungary_n germany_n italy_n and_o france_n and_o i_o have_v frequent_o observe_v that_o the_o house_n i_o have_v be_v in_o have_v sensible_o shake_v by_o the_o tremulous_a motion_n of_o the_o earth_n it_o stand_v upon_o propagate_v from_o some_o coach_n or_o cart_n which_o move_v at_o some_o distance_n upon_o the_o ground_n and_o some_o observe_a scout_n say_v that_o by_o the_o motion_n of_o the_o earth_n they_o can_v discover_v the_o approach_n of_o a_o troop_n of_o horse_n at_o a_o good_a distance_n and_o to_o conclude_v this_o member_n of_o our_o discourse_n if_o such_o disproportionate_a cause_n can_v produce_v such_o effect_n in_o inorganical_a body_n well_o may_v they_o in_o those_o that_o be_v organical_a where_o there_o be_v only_o want_v a_o small_a cause_n to_o call_v in_o the_o assistance_n and_o to_o determine_v the_o cooperation_n of_o other_o as_o the_o tickle_v of_o a_o feather_n in_o the_o nose_n by_o determine_v the_o tendency_n of_o the_o spirit_n cause_n sneeze_v and_o i_o remember_v be_v once_o hold_v with_o such_o a_o distemper_n as_o deprive_v i_o of_o the_o use_n of_o my_o hand_n if_o in_o the_o summer_n a_o hair_n be_v but_o blow_v upon_o my_o face_n and_o continue_v there_o long_o it_o will_v put_v i_o into_o convulsion_n and_o cause_n i_o to_o faint_v medium_n motion_n may_v be_v propagate_v through_o different_a medium_n but_o to_o determine_v another_o member_n of_o this_o proposition_n viz._n whether_o motion_n may_v be_v propagate_v through_o several_a medium_n or_o terminate_v at_o the_o utmost_a limit_n of_o the_o medium_fw-la it_o be_v begin_v in_o i_o shall_v offer_v the_o follow_a experiment_n viz._n i_o cause_v a_o glass-receiver_n to_o be_v blow_v with_o a_o button_n upon_o that_o part_n of_o the_o internal_a superficies_n which_o be_v uppermost_a and_o suspend_v a_o watch_n by_o a_o chain_n which_o be_v fix_v to_o a_o soft_a body_n fasten_v upon_o
black_a but_o also_o one_o saturate_v with_o copper_n a_o succedaneum_n to_o which_o may_v be_v make_v by_o add_v to_o sulphur_n as_o it_o melt_v over_o the_o fire_n and_o equal_a proportion_n of_o salt_n of_o tartar_n fine_o powder_v stir_v they_o till_o they_o incorporate_v and_o become_v red_a which_o mixture_n be_v put_v into_o a_o glass_n retort_n with_o half_a its_o weight_n of_o salarmoniack_a dissolve_v in_o water_n let_v it_o be_v distil_v in_o sand_n shift_v the_o receiver_n as_o the_o liquor_n draw_v off_o be_v tinge_v more_o or_o less_o so_o that_o the_o strong_a may_v be_v preserve_v by_o itself_o and_o such_o trial_n as_o these_o will_v be_v of_o more_o use_n than_o those_o usual_o make_v with_o a_o bare_a tincture_n of_o gall_n since_o there_o be_v several_a mineral_n substance_n and_o other_o body_n which_o mineral_n water_n may_v be_v impregnate_v with_o which_o discover_v not_o themselves_o in_o a_o infusion_n of_o gall_n as_o sulphur_n or_o copper_n may_v be_v so_o lock_v up_o in_o these_o water_n as_o not_o to_o be_v perceive_v till_o the_o body_n of_o the_o liquor_n be_v open_v by_o some_o proper_a additament_n and_o even_o arsenic_n itself_o may_v be_v so_o disguise_v as_o not_o to_o be_v perceive_v when_o mix_v with_o the_o water_n yet_o if_o spirit_n of_o urine_n or_o oil_n of_o tartar_n per_fw-la deliquium_fw-la be_v drop_v into_o a_o solution_n of_o it_o it_o present_o precipitate_v in_o the_o form_n of_o a_o white_a powder_n and_o so_o likewise_o if_o a_o solution_n of_o sublimate_n be_v add_v to_o it_o they_o whether_o mineral_n water_n have_v arsenic_n dissolve_v in_o they_o but_o to_o discover_v whether_o mineral_n water_n be_v impregnate_v with_o arsenic_n or_o not_o i_o put_v dantzick_n or_o english_a vitriol_n into_o a_o solution_n of_o it_o either_o of_o which_o cause_v a_o dark_a precipitate_v gradual_o to_o subside_o 14._o whether_o spirituous_a acid_n volatile_a alkalys_n or_o lixivial_a salt_n will_v precipitate_v such_o water_n 15._o the_o manner_n of_o extract_a salt_n from_o such_o water_n and_o what_o quantity_n may_v be_v extract_v guess_n may_v be_v make_v concern_v the_o saltness_n of_o these_o water_n by_o try_v whether_o they_o will_v lather_n with_o soap_n and_o if_o not_o what_o quantity_n of_o curdle_a matter_n they_o will_v yield_v i_o have_v observe_v that_o even_o the_o light_a water_n will_v yield_v a_o small_a quantity_n of_o common_a salt_n 16._o how_o to_o discover_v what_o acidity_n be_v to_o be_v find_v without_o evaporation_n have_v take_v a_o peculiar_a method_n to_o try_v the_o acidity_n of_o mineral_n water_n by_o mix_v they_o with_o a_o infusion_n of_o lignum_fw-la nephriticum_fw-la in_o simple_a water_n i_o find_v that_o though_o german_a spa_n yield_v a_o small_a quantity_n yet_o in_o that_o of_o action_n there_o be_v none_o discernible_a 17._o what_o may_v be_v observe_v by_o distillation_n in_o balnco_n 18._o what_o and_o whether_o the_o same_o quantity_n of_o caput_n mortuum_n be_v afford_v by_o evaporation_n and_o distillation_n 19_o whether_o mineral_n water_n will_v acquire_v the_o same_o quality_n and_o texture_n by_o a_o reunion_n of_o their_o caput_fw-la mortuum_n when_o distil_v to_o such_o a_o consistence_n in_o glass-vessel_n exact_o lute_v which_o they_o have_v before_o 20._o what_o change_n if_o any_o mineral_n water_n undergo_v by_o be_v boil_v in_o water_n in_o a_o glass_n hermetical_o seal_v from_o whence_o may_v be_v learn_v whether_o a_o change_n of_o quality_n will_v succeed_v a_o alteration_n of_o texture_n without_o a_o manifest_a loss_n of_o part_n and_o whether_o a_o agitation_n of_o part_n without_o the_o influence_n of_o the_o air_n will_v precipitate_v any_o thing_n or_o deprive_v it_o of_o its_o power_n to_o turn_v a_o tincture_n of_o gall_n purple_a 21._o how_o much_o the_o mineral_n water_n exceed_v their_o caput_fw-la mortuum_n in_o proportien_n 22._o what_o part_n be_v contain_v in_o the_o caput_fw-la mortuum_n and_o whether_o dissoluble_a in_o water_n 23._o how_o much_o the_o saline_n and_o terrestrial_a part_n differ_v in_o proportion_n 24._o whether_o in_o strong_a fire_n the_o salt_n be_v volatile_a or_o fix_a and_o to_o what_o degree_n 25._o whether_o the_o salt_n will_v crystallize_v per_fw-la se_fw-la or_o with_o other_o salt_n and_o what_o be_v the_o figure_n of_o the_o genuine_a or_o compound_v crystal_n 26._o whether_o acid_n or_o alkaline_n quality_n be_v most_o predominant_a the_o acidity_n will_v either_o appear_v to_o the_o taste_n or_o smell_v or_o may_v be_v discover_v by_o turn_v syrup_n of_o violet_n red_a as_o also_o by_o make_v use_n of_o a_o infusion_n of_o lignum_fw-la nephriticum_fw-la which_o upon_o a_o mixture_n of_o acid_n lose_v its_o blue_a colour_n their_o acidity_n may_v likewise_o be_v discover_v by_o try_v whether_o they_o will_v be_v precipitate_v by_o alkalys_n or_o ferment_n with_o they_o and_o if_o alkaly_n be_v predominant_a it_o on_o the_o contrary_n discover_v itself_o by_o a_o lixivial_a taste_n and_o smell_v and_o may_v be_v discover_v by_o turn_v syrup_n of_o violet_n green_a or_o precipitate_v a_o solution_n of_o sublimate_n or_o ferment_v with_o aqua_fw-la fortis_fw-la or_o last_o by_o increase_v the_o colour_n of_o a_o tincture_n of_o brasil_n or_o log-wood_n in_o common-water_n and_o though_o we_o have_v no_o such_o spring_n here_o in_o england_n as_o afford_v alkaline_a salt_n yet_o without_o question_n in_o egypt_n such_o may_v be_v find_v since_o their_o latron_n or_o the_o egyptian_a nitre_n abound_v with_o a_o salt_n of_o a_o alkaline_a nature_n and_o i_o have_v obtain_v such_o a_o alkaly_n from_o that_o famous_a water_n of_o bourbon_n in_o france_n which_o will_v turn_v syrup_n of_o violet_n green_a and_o ferment_n with_o volatile_a acid_n if_o such_o water_n abound_v with_o vitriol_n they_o will_v turn_v a_o infusion_n of_o gall_n black_a and_o vomit_v those_o that_o drink_v they_o and_o if_o a_o alkaly_n be_v add_v will_v yield_v a_o yellow_a precipitate_v upon_o drop_v of_o spirit_n of_o urine_n or_o salt_n of_o tartar_n into_o they_o i_o have_v not_o find_v any_o of_o the_o water_n about_o london_n to_o be_v impregnate_v with_o vitriol_n and_o i_o be_o tell_v that_o in_o france_n the_o mineral_n water_n be_v so_o far_o from_o be_v impregnate_v with_o vitriol_n that_o there_o be_v a_o vitriolate_a spring_n in_o that_o kingdom_n as_o for_o the_o nature_n of_o the_o salt_n which_o most_o mineral_n water_n be_v impregnate_v with_o i_o think_v that_o it_o be_v not_o to_o be_v refer_v to_o any_o glass_n but_o be_v either_o svi_fw-la generis_fw-la and_o a_o peculiar_a one_o or_o a_o compound_v salt_n make_v up_o of_o such_o as_o the_o water_n be_v impregnate_v with_o in_o its_o passage_n through_o the_o earth_n and_o that_o purgative_n salt_n may_v by_o a_o change_n of_o texture_n be_v make_v of_o salt_n not_o at_o all_o purgative_n i_o the_o rather_o believe_v because_o i_o have_v be_v tell_v by_o a_o ingenious_a empiric_n that_o a_o salt_n which_o i_o make_v of_o salt_n of_o tartar_n and_o common_a sulphur_n mix_v together_o have_v a_o gentle_a purge_v virtue_n 27._o in_o what_o menstruum_n the_o caput_fw-la mortuum_n may_v be_v dissolve_v and_o in_o what_o it_o may_v not_o whether_o volatile_a or_o fix_v and_o what_o quality_n it_o have_v in_o respect_n of_o colour_n or_o smell_n afford_v what_o proportion_n of_o salt_n mineral_n water_n afford_v it_o be_v to_o be_v admire_v what_o a_o great_a deal_n of_o caput_n mortuum_n some_o mineral_n water_n yield_v in_o comparison_n of_o other_o since_o those_o water_n which_o be_v pure_o diuretic_n have_v very_o little_a if_o compare_v with_o the_o caput_fw-la mortuum_n of_o purge_v water_n for_o though_o a_o pound_n of_o barnet_n water_n yield_v a_o drachm_n yet_o the_o same_o weight_n of_o tunbridge_n afford_v but_o a_o grain_n and_o it_o be_v not_o a_o little_a strange_a that_o so_o small_a a_o quantity_n of_o a_o mineral_n shall_v impregnate_n so_o much_o water_n as_o i_o have_v by_o trial_n find_v a_o grain_n of_o iron_n stone_n do_v enable_v it_o to_o tincture_n a_o infusion_n of_o gall_n deep_a than_o tunbridge_n or_o german_a spa_n water_n will_v and_o i_o have_v try_v that_o half_o a_o grain_n of_o marchasite_n dissolve_v in_o spirit_n of_o nitre_n communicate_v a_o tincture_n to_o 61440_o part_n of_o water_n though_o part_n of_o that_o marchasite_n be_v sulphur_n and_o part_n of_o it_o caput_fw-la mortuum_n and_o here_o it_o may_v be_v seasonable_a to_o take_v notice_n that_o if_o so_o small_a a_o portion_n of_o a_o metalline_a substance_n will_v when_o gross_o dissolve_v impregnate_n so_o large_a a_o quantity_n of_o water_n how_o much_o more_o may_v it_o when_o raise_v in_o the_o form_n of_o a_o subtle_a mineral_n fume_v and_o as_o in_o such_o a_o form_n it_o may_v impregnate_n a_o large_a quantity_n of_o water_n so_o will_v it_o be_v
be_v open_v the_o external_a air_n rush_v in_o with_o a_o considerable_a noise_n whence_o it_o be_v evident_a that_o all_o the_o air_n the_o limon_n have_v yield_v in_o that_o time_n be_v not_o sufficient_a to_o fill_v the_o cavity_n of_o the_o receiver_n neither_o the_o limon_n nor_o the_o juice_n be_v mouldy_a or_o ill_o taste_v so_o that_o it_o make_v i_o think_v that_o mouldiness_n can_v be_v well_o produce_v without_o a_o concurrence_n of_o the_o air._n the_o liquor_n be_v acid_a but_o clear_a and_o without_o faeces_fw-la be_v of_o a_o colour_n betwixt_o brown_a and_o red_a it_o turn_v syrup_n of_o violet_n into_o a_o purple_a colour_n and_o corrode_v fragment_n of_o red_a coral_n in_o the_o cold._n it_o have_v be_v observe_v that_o lozenge_n which_o a_o scholar_n frequent_o carry_v in_o his_o pocket_n be_v dissolve_v when_o he_o come_v near_o the_o line_n but_o recover_v their_o old_a consistence_n when_o much_o past_o it_o title_n xxiii_o of_o the_o operation_n of_o the_o air_n on_o consistent_a mineral_n substance_n substance_n the_o effect_n of_o the_o air_n on_o mineral_n substance_n in_o draw_v copper_n out_o of_o deep_a mine_n in_o sweedland_n i_o be_o inform_v they_o use_v rope_n make_v of_o leather_n link_n of_o iron_n be_v subject_a to_o break_v with_o the_o coldness_n of_o the_o air_n and_o the_o weight_n of_o the_o ore_n it_o have_v be_v observe_v that_o glass_n keep_v half_a a_o year_n though_o well_o neal_v have_v break_v in_o piece_n and_o freeze_v of_o themselves_o the_o crack_v partly_o depend_v on_o some_o particle_n of_o salt_n which_o have_v not_o undergo_v a_o sufficient_a comminution_n i_o be_o tell_v there_o be_v a_o house_n in_o suffolk_n near_o the_o sea_n in_o which_o though_o it_o be_v but_o 8_o year_n old_a the_o iron_n bar_n be_v swell_v and_o so_o rot_v that_o they_o will_v crimble_a away_o the_o wind_n which_o blow_v upon_o those_o window_n in_o which_o they_o be_v be_v southward_o and_o i_o be_o likewise_o tell_v that_o iron_n bar_v drench_v in_o sea_n water_n and_o after_o expose_v to_o the_o air_n be_v so_o far_o impair_v that_o when_o hammer_v great_a flake_n will_v fly_v off_o they_o purbeck_n and_o blechington-stone_n will_v moulder_v away_o in_o the_o air_n but_o those_o dug_n up_o at_o painswick_n near_o gloucester_n will_n by_o be_v expose_v to_o the_o air_n change_v their_o primary_n softness_n for_o a_o crust-hard_a and_o glassy_a marble_n which_o penetrate_v but_o a_o little_a way_n into_o its_o substance_n but_o be_v generate_v soon_o the_o often_o it_o be_v wash_v title_n xxiv_o of_o the_o air_n in_o reference_n to_o fire_n and_o flame_n candle_n which_v burn_v in_o grooves_n furnish_v with_o air_n shaft_n will_v sometime_o continue_v burn_v 8_o fathom_n deep_a or_o more_o when_o they_o come_v into_o close_a ground_n though_o candle_n will_v burn_v for_o a_o while_n yet_o when_o the_o dust_n rise_v they_o go_v out_o experiment_n touch_v the_o relation_n betwixt_o flame_n and_o air._n the_o burn_a of_o candle_n etc._n etc._n under_o a_o glass_n bell_n as_o also_o spirit_n of_o wine_n matches_n touchwood_n sponck_n etc._n etc._n the_o keep_n of_o animal_n under_o a_o glass_n bell_n whilst_o the_o flame_n be_v burn_v the_o burn_a of_o body_n to_o ash_n in_o seal_a glass_n as_o also_o in_o exact_o close_v receiver_n cotton_n burn_v in_o a_o seal_a glass_n the_o burn_a of_o a_o mixture_n of_o flame_n under_o water_n in_o a_o e._n r._n as_o also_o of_o a_o saline_a substance_n and_o likewise_o of_o salt_n petre._n a_o pistol_n not_o fire_v in_o a_o e._n r._n a_o experiment_n of_o burn_a gunpowder_n the_o burn_a of_o spirit_n of_o wine_n and_o oil_n of_o turpentine_n in_o glass_n vessel_n with_o slender_a neck_n title_n xxv_o of_o the_o air_n in_o reference_n to_o fermentation_n fermentation_n of_o the_o air_n in_o reference_n to_o fermentation_n raisin_n be_v enclose_v in_o a_o exhaust_a bolt-head_n half_o full_a of_o water_n and_o set_v on_o a_o digestive_a furnace_n present_o begin_v to_o ferment_n and_o swim_v upon_o the_o liquor_n afford_v bubble_n which_o be_v gradual_o few_o and_o at_o last_o a_o sediment_n appear_v in_o the_o bottom_n the_o top_n of_o the_o bottle_n be_v accidental_o break_v the_o external_n air_n rush_v in_o with_o some_o noise_n and_o the_o surface_n of_o the_o liquor_n be_v cover_v with_o froth_n like_o bottle_n drink_v and_o i_o think_v i_o perceive_v a_o visible_a fume_v come_v out_o of_o the_o glass_n which_o have_v a_o languid_a smell_n the_o liquor_n have_v a_o high_a tincture_n of_o the_o raisin_n and_o be_v of_o a_o better_a consistence_n than_o that_o of_o water_n title_n xxvi_o of_o the_o air_n as_o the_o receptacle_n of_o odour_n title_n xxvii_o of_o the_o operation_n of_o the_o air_n on_o the_o odour_n of_o animal_n substance_n odour_n of_o the_o effect_n of_o air_n on_o odour_n sour_a grape_n have_v lie_v 3_o year_n in_o vacuo_fw-la be_v not_o mouldy_a but_o the_o surface_n of_o the_o uppermost_a be_v discolour_a with_o a_o tartarous_a efflorescence_n the_o grain_n have_v a_o musty_a smell_n but_o the_o liquor_n taste_v acid_n and_o will_v corrode_v coral_n in_o the_o cold._a the_o gage_n scarce_o discover_v any_o air_n produce_v in_o madrid_n i_o be_o tell_v though_o they_o throw_v their_o excrement_n into_o the_o street_n in_o the_o night_n yet_o the_o stink_n be_v not_o very_o much_o the_o next_o day_n nor_o will_v dead_a animal_n stink_v long_o there_o title_n xxviii_o of_o the_o operation_n of_o the_o air_n on_o the_o odour_n of_o vegetable_a substance_n large_a piece_n of_o orange_n have_v be_v three_o year_n include_v in_o vacuo_fw-la their_o rind_n be_v on_o their_o surface_n almost_o black_a they_o yield_v very_o little_a liquor_n be_v neither_o mouldy_a nor_o putrid_a title_n xxix_o of_o the_o operation_n of_o air_n on_o the_o odour_n of_o mineral_n substance_n title_n xxx_o of_o the_o operation_n of_o air_n on_o the_o taste_n of_o animal_n substance_n mr._n nickson_n tell_v i_o that_o meat_n may_v be_v preserve_v in_o frosty_a wether_n all_o winter_n without_o salt_n but_o if_o dress_v when_o freeze_v will_v not_o relish_v well_o title_n xxxi_o of_o the_o operation_n of_o air_n on_o the_o taste_n of_o vegetable_a substance_n title_n xxxii_o of_o the_o operation_n of_o the_o air_n on_o the_o taste_n of_o mineral_n substance_n title_n xxxiii_o of_o the_o operation_n of_o the_o air_n on_o the_o colour_n of_o animal_n substance_n colour_n of_o the_o effect_n of_o air_n on_o colour_n the_o air_n influence_n colour_n so_o much_o on_o black_a taffeta_n that_o in_o brasil_n after_o it_o have_v be_v wear_v a_o few_o day_n it_o become_v of_o a_o ironish_a colour_n but_o if_o it_o be_v keep_v from_o the_o air_n the_o colour_n fade_v not_o in_o a_o particular_a region_n in_o brazil_n 50_o league_n beyond_o parigna_n white_a people_n turn_v tawny_a but_o a_o little_a beyond_o that_o they_o recover_v their_o colour_n again_o upon_o charlton_n island_n there_o be_v a_o sort_n of_o bird_n call_v partridge_n which_o be_v white_a in_o the_o winter_n and_o gray_a in_o the_o summer_n title_n xxxiv_o of_o the_o operation_n of_o the_o air_n on_o the_o colour_n of_o vegetable_a substance_n i_o be_o tell_v that_o most_o tree_n in_o jamaica_n acquire_v a_o greenness_n when_o new_o cut_v down_o on_o that_o part_n which_o be_v most_o expose_v to_o the_o air_n and_o that_o lignum_fw-la vitæ_fw-la when_o green_a be_v as_o soft_a as_o oak_n several_a tree_n which_o be_v soft_a when_o cut_v down_o afterward_o grow_v hard_a especial_o the_o cabbage-tree_n which_o present_o harden_v and_o the_o pith_n rot_v out_o it_o serve_v for_o a_o pipe_n about_o 100_o foot_n long_o which_o will_v not_o corrupt_v under_o ground_n but_o grow_v as_o hard_a as_o iron_n the_o juice_n of_o aloe_n plant_n which_o in_o the_o island_n of_o st._n jago_n be_v clammy_a bitter_a and_o of_o a_o dark_a colour_n under_o the_o line_n lose_v its_o bitterness_n and_o acquire_v a_o green_a colour_n stain_n be_v most_o easy_o get_v out_o of_o linen_n at_o those_o time_n of_o the_o year_n when_o the_o fruit_n with_o which_o they_o be_v stain_v flourish_n title_n xxxv_o of_o the_o operation_n of_o the_o air_n on_o mineral_n substance_n one_o part_n of_o lapis_n calaminaris_n be_v mix_v with_o four_o of_o salt-petre_n be_v keep_v some_o hour_n in_o a_o vehement_a heat_n in_o a_o crucible_n by_o which_o mean_v the_o matter_n be_v alkalize_v water_n be_v pour_v upon_o it_o which_o make_v a_o muddy_a red_a tincture_n which_o be_v set_v in_o a_o wide-mouthed_a glass_n in_o a_o window_n it_o become_v green_a and_o more_o diaphanous_a than_o before_o but_o in_o a_o few_o day_n it_o become_v a_o transparent_a liquor_n a_o powder_n subside_v which_o be_v red_a like_o brick-dust_n spirit_n of_o vinegar_n receive_v no_o tincture_n
come_v through_o it_o that_o they_o appear_v to_o the_o eye_n of_o a_o greenish_a blue_n and_o the_o like_v succeed_v with_o a_o leaf_n of_o silver_n experiment_n x._o i_o be_o tell_v that_o lignum_fw-la nephriticum_fw-la be_v use_v in_o the_o country_n where_o it_o grow_v as_o a_o excellent_a medicine_n against_o the_o stone_n which_o virtue_n monardes_n likewise_o ascribe_v to_o it_o give_v in_o infusion_n a_o infusion_n of_o this_o wood_n if_o it_o be_v not_o too_o strong_a will_v appear_v betwixt_o the_o eye_n and_o the_o light_n to_o be_v of_o a_o golden_a colour_n except_o that_o upon_o the_o top_n it_o will_v be_v cover_v with_o a_o sky_n colour_a circle_n but_o if_o your_o eye_n be_v place_v betwixt_o the_o window_n and_o the_o vial_n the_o liquor_n will_v appear_v to_o be_v of_o a_o lovely_a blue_n and_o this_o experiment_n have_v succeed_v by_o candle_n light_n if_o the_o liquor_n be_v hold_v partly_o before_o the_o eye_n and_o a_o light_n and_o partly_o betwixt_o the_o eye_n and_o a_o opacous_a body_n it_o will_v half_o of_o it_o seem_v of_o a_o golden_a colour_n and_o half_a a_o blue_n but_o if_o turn_v your_o back_n on_o the_o window_n you_o observe_v the_o liquor_n as_o it_o be_v pour_v out_o it_o will_v at_o the_o first_o seem_v blue_a but_o when_o it_o have_v fall_v low_a and_o the_o ray_n of_o light_n penetrate_v it_o more_o it_o will_v seem_v particoulour_v if_o a_o little_a of_o this_o tincture_n be_v pour_v into_o a_o basin_n of_o water_n partly_o in_o the_o sun_n beam_n and_o partly_o shade_v it_o will_v afford_v several_a please_a phaenomena_n if_o some_o of_o it_o be_v pour_v upon_o white_a paper_n the_o drop_n about_o it_o will_v appear_v of_o different_a colour_n as_o the_o position_n of_o the_o eye_n in_o reference_n to_o they_o vary_v and_o when_o it_o be_v pour_v off_o the_o paper_n will_v be_v dye_v yellow_a and_o if_o this_o be_v place_v in_o a_o window_n in_o the_o sunshine_n and_o a_o pen_n hold_v betwixt_o the_o sun_n and_o part_n of_o the_o paper_n the_o verge_n of_o the_o shadow_n next_o the_o body_n that_o cause_n it_o will_v be_v golden_a and_o the_o other_o blue_n which_o phenomena_n proceed_v from_o the_o most_o subtle_a part_n of_o the_o wood_n swim_v in_o the_o water_n and_o in_o several_a position_n various_o reflect_v the_o ray_n of_o light_n some_o of_o this_o liquor_n be_v careful_o distil_v it_o yield_v a_o colourless_a limpid_n water_n a_o deep_a ceruleous_a liquor_n remain_v behind_o spirit_n of_o wine_n and_o salt_n of_o hartshorn_n be_v mix_v together_o i_o observe_v that_o it_o require_v a_o certain_a proportion_n betwixt_o the_o liquor_n and_o the_o salt_n which_o enable_v it_o to_o vary_v its_o colour_n so_o that_o though_o i_o be_v induce_v to_o believe_v that_o our_o tincture_n receive_v its_o colour_n from_o a_o salt_n disperse_v through_o it_o yet_o i_o suspect_v that_o this_o salt_n will_v be_v either_o alter_v or_o incorporate_v by_o acid_n salt_n and_o according_o dropping_z spirit_n of_o vinegar_n into_o some_o of_o the_o tincture_n it_o lose_v its_o blue_n but_o not_o the_o golden_a colour_n but_o upon_o a_o affusion_n of_o oil_n of_o tartar_n per_fw-la deliquium_fw-la that_o correct_v the_o acid_n salt_n it_o present_o regain_v its_o blue_a colour_n again_o the_o ponderous_a tartarous_a liquor_n first_o alter_v the_o bottom_n of_o the_o liquor_n and_o gradual_o rise_v again_o and_o since_o kercherus_n art_n mag._n lucis_fw-la &_o umbrae_fw-la lib._n 1._o part_n 3._o write_v something_o of_o this_o exotic_a plant_n which_o agree_v not_o with_o our_o account_n of_o it_o since_o he_o say_v it_o will_v according_a to_o the_o difference_n of_o the_o medium_fw-la in_o respect_n of_o light_n and_o its_o several_a position_n vary_v its_o colour_n yet_o from_o the_o account_n he_o give_v of_o it_o it_o appear_v that_o the_o wood_n he_o make_v use_v of_o be_v different_a from_o we_o since_o he_o call_v it_o a_o white_a mexican_n wood_n whereas_o we_o as_o monardes_n witness_n be_v bring_v from_o nova_n hispania_n and_o be_v not_o of_o a_o white_a but_o a_o dark_a colour_n except_o on_o the_o outside_n which_o part_n be_v much_o weak_a than_o the_o other_o beside_o he_o tell_v we_o that_o his_o tincture_n be_v like_o spring_n water_n when_o hold_v betwixt_o the_o light_n whereas_o we_o be_v yellowish_a or_o reddish_n as_o the_o tincture_n be_v weak_a or_o strong_a and_o since_o he_o tell_v we_o that_o the_o tincture_n will_v afford_v all_o sort_n of_o colour_n and_o resume_v a_o ceruleous_a colour_n in_o the_o dark_a i_o can_v wish_v to_o know_v how_o he_o be_v convince_v of_o the_o latter_a and_o as_o for_o the_o former_a i_o have_v try_v that_o it_o will_v not_o at_o all_o answer_n though_o this_o i_o must_v needs_o own_o that_o have_v hold_v a_o tincture_n of_o lignum_fw-la nephriticum_fw-la in_o the_o ray_n of_o the_o sun_n in_o a_o darken_a room_n partly_o in_o and_o partly_o out_o and_o also_o whole_o out_o of_o the_o beam_n but_o partly_o near_o they_o it_o afford_v a_o much_o great_a variety_n of_o colour_n than_o in_o a_o lighten_v room_n in_o this_o experiment_n it_o be_v not_o a_o little_a to_o be_v admire_v that_o the_o blue_a colour_n shall_v be_v so_o easy_o destroy_v whereas_o the_o yellow_a colour_n be_v so_o durable_a and_o further_o that_o acid_n salt_n shall_v destroy_v it_o and_o sulphureous_a one_o restore_v it_o a_o corollary_n of_o the_o ten_o experiment_n adistinguish_v acid_n and_o sulphureous_a salis_n adistinguish_v this_o experiment_n may_v give_v we_o a_o hint_n towards_o a_o discovery_n of_o some_o way_n to_o distinguish_v whether_o liquor_n abound_v with_o acid_n or_o sulphureous_a salt_n for_o if_o they_o be_v acid_n they_o destroy_v the_o ceruleous_a colour_n if_o sulphureous_a they_o restore_v it_o and_o by_o this_o method_n we_o have_v find_v that_o though_o it_o have_v be_v doubt_v what_o be_v the_o nature_n of_o quicklime_n it_o abound_v with_o lixiviate_v rather_o than_o acid_n salt_n but_o of_o what_o use_v this_o tincture_n may_v be_v where_o neither_o acid_n nor_o alkalious_a salt_n be_v predominant_a i_o leave_v to_o be_v determine_v by_o experience_n since_o i_o find_v not_o that_o spirit_n of_o wine_n spirit_n of_o tartar_n free_v from_o acidity_n or_o chemical_a oil_n of_o turpentine_n will_v restore_v the_o ceruleous_a colour_n of_o this_o tincture_n when_o it_o disappear_v upon_o a_o mixture_n of_o oil_n of_o turpentine_n experiment_n xi_o i_o have_v a_o flat_a piece_n of_o glass_n which_o hold_v betwixt_o my_o eye_n and_o the_o light_n appear_v yellow_a but_o be_v hold_v so_o that_o it_o reflect_v few_o beam_n upon_o the_o eye_n it_o degenerate_v into_o to_o a_o pale_a blue_n and_o the_o same_o piece_n of_o glass_n be_v hold_v perpendicular_a to_o the_o horizon_n that_o part_n which_o the_o sun_n shine_v on_o will_v be_v of_o a_o more_o dilute_a yellow_a than_o the_o other_o which_o be_v shade_v but_o if_o it_o be_v hold_v perpendicular_a to_o the_o horizon_n the_o shade_a part_n will_v be_v of_o a_o golden_a colour_n and_o the_o other_o blue_n if_o the_o sunbeam_n pass_v through_o it_o upon_o a_o white_a paper_n they_o will_v represent_v a_o yellow_a yet_o the_o position_n may_v be_v so_o vary_v as_o to_o yield_v a_o mix_v colour_n more_o or_o less_o incline_v to_o yellow_a in_o some_o place_n and_o in_o other_o to_o blue_n n._n one_a in_o try_v of_o these_o experiment_n the_o sunbeam_n must_v fall_v upon_o the_o superficial_a part_n of_o one_o side_n of_o the_o glass_n on_o which_o we_o must_v take_v care_n to_o keep_v our_o eye_n and_o we_o have_v prepare_v a_o sort_n of_o glass_n which_o will_v answer_v our_o expectation_n by_o lay_v a_o leaf_n of_o silver_n on_o one_o side_n and_o urge_v it_o with_o a_o strong_a fire_n than_o usual_a and_o one_o thing_n in_o this_o experiment_n remarkable_a be_v that_o whereas_o common_a artificer_n colour_v their_o glass_n by_o put_v a_o calx_fw-la of_o silver_n calcine_v without_o corrosive_a liquor_n and_o temper_v with_o fair_a water_n on_o the_o plate_n of_o glass_n when_o they_o burn_v they_o they_o appear_v yellow_a whatever_o side_n be_v hold_v to_o the_o eye_n or_o in_o whatever_o posture_n but_o this_o of_o we_o hold_v betwixt_o the_o eye_n and_o the_o light_n appear_v transparent_o yellow_a but_o the_o eye_n be_v place_v betwixt_o the_o light_n and_o it_o it_o appear_v blue_a and_o not_o in_o the_o least_o transparent_a experiment_n xii_o it_o be_v worth_a observe_n that_o though_o painter_n can_v imitate_v most_o colour_n which_o be_v to_o be_v meet_v in_o nature_n yet_o they_o make_v use_v of_o no_o more_o than_o white_a black_a red_a blue_a and_o yellow_a to_o produce_v all_o their_o composition_n thus_o black_a and_o white_a represent_v several_a sort_n of_o grays_n blue_a and_o yellow_a
their_o in_o do_v of_o which_o instead_o of_o liquor_n make_v use_v of_o in_o common_a glass_n we_o employ_v spirit_n of_o wine_n tinge_v with_o cochineal_n open_v by_o the_o most_o volatile_a spirit_n of_o urine_n which_o be_v not_o only_o in_o less_o danger_n of_o be_v freeze_v but_o susceptible_a of_o the_o slight_a degree_n of_o cold_a impress_v upon_o it_o by_o external_a body_n but_o though_o we_o think_v these_o weather-glass_n subject_a to_o few_o exception_n than_o common_a one_o yet_o in_o estimate_v the_o several_a degree_n of_o cold_a we_o look_v upon_o they_o as_o instrument_n to_o be_v employ_v by_o our_o reason_n and_o not_o quite_o exempt_a from_o those_o imperfection_n we_o have_v impute_v to_o weather-glass_n since_o i_o suspect_v that_o some_o sort_n of_o steam_n penetrate_v the_o pore_n of_o the_o glass_n may_v have_v other_o effect_n upon_o the_o spirit_n of_o wine_n than_o what_o they_o have_v in_o reference_n to_o heat_n and_o cold_a for_o i_o once_o observe_v that_o have_v immerse_v the_o ball_n of_o a_o weatherglass_n in_o a_o strange_a kind_n of_o a_o lukewarm_a mixture_n the_o spirit_n rise_v up_o slow_o 8_o or_o 9_o inch_n in_o a_o tube_n not_o above_o a_o foot_n long_o and_o subside_v not_o again_o much_o above_o half_a a_o inch_n when_o expose_v to_o the_o air_n a_o good_a while_n after_o it_o have_v be_v immerse_v in_o water_n 5_o hour_n the_o chemist_n orthelius_fw-la in_o his_o theatrum_fw-la chymicum_fw-la vol._n 6._o tell_v we_o that_o the_o liquor_n distil_v from_o the_o oar_n of_o magnesia_n or_o bismute_v will_v swell_v considerable_o in_o the_o glass_n it_o be_v keep_v in_o at_o the_o full_a moon_n and_o subside_o at_o the_o new_a which_o observation_n the_o jesuit_n casatus_fw-la make_v use_v of_o as_o a_o argument_n and_o i_o have_v observe_v myself_o a_o tincture_n of_o amber_n make_v with_o rectify_a spirit_n of_o wine_n undergo_v several_a change_n when_o stop_v up_o in_o a_o bottle_n which_o other_o liquor_n abound_v with_o spirit_n of_o wine_n do_v not_o so_o that_o not_o unlikely_a if_o weather-glass_n furnish_v with_o different_a liquor_n be_v keep_v together_o in_o the_o same_o place_n there_o will_v be_v some_o disparity_n which_o can_v be_v ascribe_v to_o nothing_o but_o the_o peculiar_a nature_n of_o the_o respective_a liquor_n which_o though_o of_o different_a kind_n may_v receive_v the_o same_o colour_n from_o the_o same_o metal_n so_o copper_n give_v the_o know_a colour_n to_o aqua_fw-la fortis_fw-la and_o afford_v a_o fair_a solution_n in_o aqua_fw-la regis_fw-la as_o well_o as_o give_v a_o lovely_a blue_n to_o spirit_n of_o urine_n or_o shall_v ammoniac_a and_o i_o have_v find_v that_o it_o will_v give_v a_o good_a tincture_n to_o chemical_a oil_n of_o turpentine_n and_o to_o show_v that_o even_o spirit_n of_o wine_n in_o weather-glass_n may_v be_v work_v upon_o and_o influence_v by_o external_a body_n i_o shall_v add_v that_o i_o have_v observe_v in_o one_o that_o lie_v by_o i_o some_o time_n emergent_a bubble_n which_o whether_o they_o be_v only_o make_v up_o of_o unite_a bubble_n lodge_v in_o the_o pore_n of_o the_o liquor_n or_o some_o part_n of_o the_o wine_n dispose_v to_o elasticity_n by_o frequent_a alteration_n i_o examine_v not_o but_o sometime_o they_o have_v be_v so_o great_a as_o to_o possess_v many_o inch_n of_o space_n in_o the_o shank_n of_o the_o weatherglass_n which_o bubble_n if_o they_o be_v small_a and_o lurk_v about_o the_o juncture_n of_o the_o ball_n and_o of_o the_o cylinder_n may_v by_o divide_v the_o spirit_n in_o the_o stem_n from_o that_o in_o the_o ball_n hinder_v it_o from_o rise_v according_a to_o the_o change_n of_o the_o wether_n a_o bubble_n of_o air_n be_v more_o dicffiult_o remove_v up_o and_o down_o in_o the_o stem_n of_o the_o glass_n than_o the_o spirit_n itself_o in_o favour_n of_o which_o we_o have_v elsewhere_o show_v that_o water_n will_v pass_v through_o a_o narrow_a space_n than_o air_n except_o the_o latter_a be_v force_v but_o to_o draw_v near_o to_o a_o conclusion_n though_o i_o have_v mention_v all_o these_o difficulty_n about_o seal_a glass_n i_o will_v not_o be_v think_v to_o do_v it_o with_o a_o design_n to_o set_v man_n upon_o great_a nicety_n than_o be_v necessary_a but_o rather_o to_o excite_v we_o to_o take_v into_o our_o consideration_n as_o many_o collateral_a experiment_n and_o observation_n beside_o those_o make_v by_o our_o sensory_n on_o natural_a as_o well_o as_o factitious_a body_n in_o judge_v of_o the_o degree_n of_o cold_a as_o we_o can_v for_o though_o water_n be_v think_v to_o be_v most_o susceptible_a of_o such_o a_o intense_a degree_n of_o cold_a as_o destroy_v fluidity_n yet_o beside_o oil_n of_o aniseed_n i_o have_v distil_v a_o substance_n from_o benzoin_n which_o become_v fluid_a and_o consistent_a upon_o much_o slight_a alteration_n as_o to_o heat_n and_o cold_a than_o will_v freeze_v water_n or_o thaw_v it_o and_o i_o have_v observe_v likewise_o that_o amber-grease_n dissolve_v in_o high_o rectify_v spirit_n of_o wine_n or_o in_o other_o sulphereous_a or_o resinous_n concretion_n dissolve_v in_o the_o same_o liquor_n will_v shoot_v into_o fine_a figure_a mass_n in_o cold_a wether_n and_o re-dissolve_a in_o warm_a other_o be_v more_o rude_o congeal_v and_o even_o in_o chemical_a preparation_n of_o hartshorn_n and_o urine_n i_o have_v observe_v that_o sometime_o the_o spirit_n will_v be_v clear_a and_o at_o other_o time_n will_v suffer_v a_o great_a or_o less_o quantity_n of_o salt_n to_o crystallise_v at_o the_o bottom_n according_a to_o the_o various_a alteration_n of_o the_o wether_n in_o point_n of_o heat_n or_o cold._n but_o to_o bring_v instance_n from_o more_o obvious_a liquor_n it_o be_v observe_v in_o some_o part_n of_o france_n by_o the_o watermen_n that_o their_o boat_n will_v carry_v great_a load_v in_o winter_n than_o summer_n and_o on_o freeze_a coast_n in_o several_a country_n it_o be_v observe_v that_o ship_n draw_v less_o water_n than_o on_o our_o british_a coast_n which_o be_v a_o argument_n that_o the_o water_n be_v heavy_a and_o thick_a in_o winter_n than_o in_o summer_n and_o i_o myself_o have_v poise_v a_o bubble_n so_o exact_o with_o water_n in_o it_o that_o though_o it_o will_v swim_v upon_o the_o top_n of_o the_o water_n at_o night_n yet_o in_o the_o day_n when_o the_o sun_n have_v rarify_v the_o water_n it_o swim_v in_o it_o will_v subside_o to_o the_o bottom_n and_o sometime_o be_v so_o exact_o of_o a_o correspondent_a weight_n with_o and_o so_o equal_o poise_v in_o the_o water_n that_o it_o will_v neither_o subside_v nor_o swim_v upon_o the_o top_n but_o move_v up_o and_o down_o till_o the_o water_n be_v either_o more_o rarify_v or_o further_o condense_v from_o what_o have_v be_v say_v in_o this_o chapter_n it_o appear_v one_a that_o by_o reason_n of_o the_o various_a predisposition_n in_o body_n the_o testimony_n of_o our_o sense_n be_v not_o to_o be_v take_v in_o judge_v of_o the_o several_a degree_n of_o cold._n 2_o though_o weather-glass_n be_v subject_a to_o few_o alteration_n than_o our_o sense_n yet_o they_o may_v misinform_v we_o except_o we_o at_o the_o same_o time_n measure_v the_o air_n be_v gravity_n by_o other_o instrument_n 3_o our_o seal_a weather-glass_n be_v high_o preferable_a before_o common_a one_o four_o to_o conclude_v this_o chapter_n i_o shall_v add_v that_o i_o will_v not_o have_v man_n easy_o deter_v from_o make_v experiment_n about_o estimate_v cold_a because_o they_o may_v seem_v disagreeable_a to_o vulgar_a notion_n since_o i_o doubt_v not_o but_o that_o the_o theory_n we_o have_v be_v not_o only_o very_o imperfect_a but_o ill_o ground_v chap._n iu._n concern_v the_o cause_n of_o the_o condensation_n of_o the_o air_n and_o ascent_n of_o water_n by_o cold_a in_o common_a weather-glass_n concern_v the_o reason_n why_o water_n in_o common_a weather-glass_n descend_v upon_o heat_n and_o be_v raise_v by_o cold_a there_o be_v three_o opinion_n which_o may_v deserve_v our_o consideration_n examine_v the_o opinion_n of_o the_o school_n concern_v the_o ascent_n of_o water_n in_o weather-glass_n examine_v the_o first_o be_v that_o of_o the_o school_n and_o common_a peripatetic_n which_o teach_v that_o the_o external_a air_n condense_v that_o include_v in_o common_a weather-glass_n it_o rise_v to_o fill_v up_o that_o space_n desert_v by_o the_o air_n to_o prevent_v a_o vacuum_n but_o not_o to_o urge_v that_o they_o have_v not_o yet_o prove_v that_o nature_n will_v not_o admit_v of_o a_o vacuum_n or_o that_o it_o be_v contrary_a to_o the_o notion_n a_o naturalist_n ought_v to_o have_v of_o matter_n to_o suppose_v it_o to_o act_v any_o thing_n contrary_a to_o its_o own_o natural_a tendency_n for_o a_o public_a good_a i_o say_v not_o to_o urge_v these_o argument_n which_o we_o have_v elsewhere_o make_v use_n of_o i_o
sublimate_n make_v with_o common_a sublimate_n and_o salarmoniack_a nay_o and_o with_o both_o loaf_n and_o kitchin-sugar_n as_o likewise_o a_o strong_a solution_n of_o pot-ash_n mix_v with_o snow_n do_v freeze_v though_o very_o faint_o and_o both_o a_o solution_n of_o salt_n of_o tartar_n and_o pot-ash_n agitate_a with_o snow_n in_o a_o small_a vial_n produce_v film_n of_o ice_n on_o the_o outside_n the_o glass_n though_o very_o thin_a one_o 9_o a_o sweet_a solution_n of_o minium_n in_o spirit_n of_o vinegar_n mix_v with_o snow_n excite_v the_o frigorifick_a quality_n of_o it_o yet_o some_o of_o that_o solution_n be_v enclose_v in_o snow_n and_o salt_n will_v not_o be_v freeze_v by_o they_o snow_n shut_v up_o alone_o thaw_v much_o more_o slow_o than_o that_o which_o be_v mix_v with_o salt_n or_o spirit_n no_o salt_n will_v promote_v the_o frigorifick_a quality_n of_o snow_n so_o far_o as_o to_o enable_v it_o to_o freeze_v which_o quicken_v not_o its_o dissolution_n neither_o crystal_n of_o tartar_n nor_o borax_n both_o beat_v to_o powder_n nor_o sublimate_n will_v enable_v snow_n to_o freeze_v as_o well_o as_o the_o powder_n of_o each_o lie_v undissolved_a in_o it_o 10._o water_n of_o quicklime_n be_v twice_o try_v will_v not_o freeze_v but_o only_o gather_v a_o dew_n on_o the_o outside_n yet_o the_o liquor_n be_v keep_v up_o 12_o month_n the_o spirit_n with_o which_o those_o water_n abound_v fly_v away_o 11._o oil_n of_o turpentine_n in_o which_o ice_n dissolve_v slow_a than_o in_o several_a other_o liquor_n enable_v not_o snow_n to_o freeze_v though_o spirit_n of_o wine_n shut_v up_o with_o snow_n in_o a_o bottle_n enable_v it_o to_o freeze_v powerful_o and_o to_o chrystalize_v even_o urine_n itself_o which_o may_v be_v take_v off_o in_o scale_n 12._o spirit_n of_o nitre_n and_o snow_n be_v mix_v together_o in_o a_o just_a proportion_n freeze_v very_o powerful_o and_o speedy_o not_o only_a water_n but_o spirit_n of_o vinegar_n and_o weak_a spirit_n of_o salt_n the_o first_o of_o which_o retain_v its_o taste_n when_o freeze_v and_o the_o latter_a shot_n into_o crystal_n which_o lay_v across_o each_o other_o a_o solution_n of_o salarmoniack_a partly_o evaporate_v will_v shoot_v into_o crystal_n like_o comb_n and_o feather_n and_o salarmoniack_a distil_v from_o quicklime_n will_v shoot_v into_o branch_n almost_o like_o those_o so_o nimble_o that_o one_o eye_n may_v discern_v they_o to_o spread_v and_o increase_v the_o like_a experiment_n be_v try_v with_o wine_n and_o strong_a ale_n succeed_v but_o very_o faint_o 13._o since_o body_n general_o help_v snow_n to_o freeze_v which_o hasten_v its_o dissolution_n we_o throw_v into_o a_o vial_n which_o contain_v snow_n heat_a sand_n which_o enable_v it_o to_o cause_v a_o dew_n but_o not_o to_o freeze_v and_o warm_a water_n pour_v into_o another_o when_o it_o have_v be_v shake_v produce_v a_o considerable_a degree_n of_o cold_a and_o gather_v dew_n but_o freeze_v it_o not_o 14._o though_o it_o be_v general_o believe_v that_o the_o hoar-froast_a on_o glass-window_n be_v only_a exsudation_n through_o the_o pore_n of_o the_o glass_n and_o freeze_v by_o the_o external_n cold_a yet_o it_o will_v easy_o appear_v that_o it_o be_v rather_o on_o the_o inside_n the_o glass_n the_o steam_n which_o rove_v up_o and_o down_o the_o room_n be_v condense_v by_o the_o external_n cold_a and_o freeze_v 15._o to_o show_v that_o the_o ice_n which_o appear_v on_o the_o outside_n of_o the_o vial_n in_o the_o foregoing_a experiment_n proceed_v not_o from_o any_o subtle_a part_n of_o the_o mixture_n penetrate_v the_o pore_n of_o the_o glass_n and_o settle_v on_o the_o outside_n we_o find_v that_o four_o ounce_n and_o ¼_n of_o the_o mixture_n of_o ice_n and_o salt_n be_v shut_v up_o in_o a_o vial_n by_o the_o access_n of_o dew_n on_o the_o outside_n the_o weight_n of_o it_o be_v increase_v 12_o grain_n another_o vial_n which_o contain_v two_o ounce_n six_o dram_fw-la and_o a_o half_a increase_v in_o weight_n 4_o grain_n the_o vial_n be_v unseal_v under_o water_n it_o suck_v in_o a_o good_a quantity_n of_o it_o six_o ounce_n snow_n and_o salt_n be_v seal_v up_o in_o a_o glass_n the_o hoar-frost_n be_v wipe_v off_o but_o return_v again_o and_o the_o vial_n be_v counterpoise_v in_o a_o pair_n of_o scale_n the_o vapour_n condense_v by_o the_o coldness_n of_o it_o in_o the_o time_n that_o the_o snow_n be_v melt_v weigh_v 10_o grain_n a_o like_a quantity_n of_o snow_n and_o spirit_n of_o wine_n be_v shut_v up_o in_o a_o single_a vial_n the_o outside_n be_v present_o cover_v with_o ice_n and_o in_o all_o it_o become_v 7_o grain_n heavy_a than_o before_o another_o time_n a_o mixture_n of_o snow_n and_o salt_n which_o weigh_v 3_o ¾_n ounce_n afford_v 18_o grain_n of_o condense_a vapour_n and_o a_o mixture_n of_o snow_n and_o salgem_n which_o counterpoise_v 3_o ounce_n and_o 70_o grain_n upon_o a_o additional_a weight_n of_o condense_a vapour_n weigh_v 20_o grain_n more_o than_o before_o title_n ii_o experiment_n and_o observation_n concern_v body_n dispose_v to_o be_v freeze_v freeze_v of_o body_n dispose_v to_o be_v freeze_v without_o any_o more_o than_o bare_o intimate_v that_o there_o be_v several_a body_n dispose_v to_o be_v freeze_v by_o one_o degree_n of_o cold_a that_o be_v not_o with_o another_o i_o shall_v observe_v 1._o that_o in_o very_o cold_a snowy_a wether_n water_n urine_n beer_n ale_n milk_n vinegar_n french_a and_o rhenish_a wine_n be_v either_o total_o or_o partly_o turn_v into_o ice_n but_o beside_o these_o more_o obvious_a instance_n we_o freeze_v a_o solution_n of_o sugar_n and_o another_o of_o gum_n arabic_a in_o water_n a_o solution_n of_o alum_n nitre_n and_o vinegar_n freeze_v without_o afford_v any_o considerable_a phaenomena_n a_o solution_n of_o vitriol_n be_v in_o part_n freeze_v and_o in_o part_n unfreeze_v that_o which_o be_v freeze_v being_n not_o much_o different_a in_o colour_n from_o water_n but_o the_o unfreeze_v part_n be_v of_o a_o very_a high_a vitriol-colour_n 2._o spirit_n of_o urine_n and_o spirit_n of_o vinegar_n expose_v to_o a_o intense_a fire_n both_o of_o they_o freeze_v 3._o a_o drachm_n of_o salt_n of_o pot-ash_n be_v dissolve_v in_o two_o ounce_n of_o water_n present_o freeze_v in_o a_o intense_a cold_a and_o oil_n of_o tartar_n per_fw-la deliquium_fw-la or_o at_o least_o a_o solution_n of_o the_o fix_a salt_n of_o tartar_n be_v congeal_v in_o a_o mixture_n of_o snow_n and_o salt_n appendix_n to_o the_o ii_o title_n oil_n become_v much_o more_o hard_a in_o muscovy_n than_o here_o in_o england_n in_o the_o most_o excessive_a cold_n but_o will_v in_o neither_o be_v turn_v into_o perfect_a ice_n and_o captain_n james_n speak_v of_o a_o island_n where_o he_o and_o his_o man_n be_v force_v to_o winter_n pag._n 58_o say_v all_z our_o sack_n vinegar_n oil_n and_o every_o thing_n else_o that_o be_v liquid_a be_v now_o freeze_v as_o hard_o as_o a_o piece_n of_o wood_n and_o we_o must_v cut_v it_o with_o a_o hatchet_n and_o olaus_n magnus_n gent._n sept._n hist_o l._n 11._o c._n 24_o say_v speak_v of_o the_o fight_v wont_a to_o be_v make_v on_o the_o ice_n in_o the_o northern_a region_n glacialis_fw-la congressus_fw-la fit_a in_fw-la laneis_fw-la calcibus_fw-la non_fw-la pellibus_fw-la aut_fw-la coriis_fw-la unctis_fw-la vis_fw-fr enim_fw-la frigoris_fw-la quodcunque_fw-la fit_a unctuosum_fw-la convertit_fw-la in_o lubricitatem_fw-la glacialem_fw-la there_o be_v a_o great_a similitude_n betwixt_o spirit_n of_o wine_n and_o oil_n in_o respect_n of_o their_o inflammability_n and_o be_v dispose_v to_o mix_v with_o oily_a body_n and_o as_o great_a a_o aptitude_n in_o the_o spirit_n of_o wine_n to_o mix_v with_o other_o liquor_n i_o inquire_v of_o the_o russian_a emperor_n physician_n what_o alteration_n he_o have_v observe_v to_o be_v produce_v by_o cold_a in_o muscovy_n to_o which_o he_o answer_v that_o aniseed_n and_o other_o weak_a spirit_n will_v be_v turn_v into_o a_o imperfect_a kind_n of_o ice_n and_o that_o strong_a one_o will_v turn_v ice_n into_o a_o kind_n of_o substance_n like_o oil_n particular_n referrable_a to_o the_o ii_o title_n 1_o in_o a_o very_a hard_a frost_n in_o december_n a_o solution_n of_o minium_n near_o the_o fire_n seem_v to_o be_v freeze_v though_o it_o be_v make_v with_o spirit_n of_o vinegar_n and_o so_o strong_a that_o part_n of_o it_o be_v shoot_v into_o saccharum_n saturni_n some_o at_o the_o top_n which_o be_v yellow_a do_v not_o freeze_v though_o pour_v out_o 2._o a_o solution_n of_o gold_n make_v with_o salt_n be_v likewise_o freeze_v as_o also_o a_o pint-vial_n full_a of_o the_o tincture_n of_o lignum_fw-la nephriticum_fw-la which_o be_v freeze_v the_o ice_n have_v no_o such_o colour_n as_o the_o tincture_n 3._o it_o be_v report_v that_o in_o russia_n brandy_n will_v freeze_v but_o the_o ice_n of_o it_o be_v
of_o stuff_n be_v choir_n drain_v of_o its_o ore_n and_o lay_v on_o a_o heap_n in_o the_o air_n in_o thirty_o year_n it_o afford_v metal_n again_o and_o the_o same_o gentleman_n tell_v i_o that_o have_v cause_v the_o water_n which_o wash_v the_o earth_n away_o from_o the_o ore_n to_o lay_v down_o that_o earth_n by_o stop_v the_o current_n of_o it_o till_o its_o own_o weight_n make_v it_o subside_o that_o earth_n be_v twelve_o year_n expose_v to_o the_o air_n yield_v a_o good_a quantity_n of_o metal_n and_o relation_n agreeable_a to_o these_o i_o have_v receive_v from_o another_o lead_n of_o the_o growth_n of_o lead_n it_o have_v be_v observe_v that_o lead_v over_o clear_v of_o its_o metal_n and_o lay_v in_o heap_n for_o some_o year_n yield_v metal_n a_o second_o time_n and_o j._n gerhard_n in_o decade_n questionum_fw-la p._n m._n 22._o say_v fessularum_fw-la mons_fw-la in_o hetruria_n florentiae_fw-la civitati_fw-la imminens_fw-la lapides_fw-la plumbarios_fw-la habet_fw-la qui_fw-la si_fw-la excidantur_fw-la brevi_fw-la temporis_fw-la spatio_fw-la novis_fw-la incrementis_fw-la instaurantur_fw-la and_o agricola_n speak_v of_o the_o growth_n of_o mine_n in_o general_a testify_v the_o same_o but_o i_o be_o tell_v that_o this_o happen_v not_o in_o all_o mine_n and_o though_o it_o be_v believe_v that_o the_o reason_n why_o the_o passage_n into_o some_o mine_n grow_v narrow_a be_v to_o be_v attribute_v to_o the_o growth_n of_o the_o metal_n yet_o i_o be_o apt_a to_o believe_v that_o it_o may_v be_v cause_v by_o the_o powerful_a expansion_n of_o some_o freeze_a water_n in_o the_o earth_n that_o encompass_n those_o passage_n and_o whereas_o it_o be_v urge_v as_o a_o argument_n of_o the_o growth_n of_o metal_n that_o lead_n increase_v its_o weight_n by_o be_v expose_v to_o the_o air_n on_o the_o top_n of_o church_n yet_o i_o be_o incline_v to_o believe_v that_o it_o rather_o proceed_v from_o a_o ceruse_n form_v by_o corrosive_a part_n unite_n with_o the_o part_n of_o the_o corrode_v metal_n and_o chief_o for_o this_o reason_n viz._n because_o i_o have_v observe_v that_o the_o wood_n which_o lie_v about_o that_o lead_n abound_v with_o a_o acid_n spirit_n capable_a of_o corrode_a lead_n and_o that_o when_o they_o have_v be_v long_o expose_v to_o this_o acid_n a_o white_a lead_n may_v be_v scrape_v off_o better_a than_o the_o common_a ceruse_n and_o this_o be_v find_v on_o that_o side_n the_o lead_n which_o be_v next_o the_o wood_n and_o not_o on_o that_o expose_v to_o the_o outward_a air._n and_o i_o have_v observe_v that_o even_o alabaster_n and_o white_a marble_n will_v yield_v a_o acid_n spirit_n so_o that_o we_o question_v whether_o lead_v fix_v to_o the_o foot_n of_o statue_n may_v not_o by_o the_o help_n of_o that_o acquire_v a_o great_a bulk_n and_o increase_v of_o weight_n iron_n of_o the_o growth_n of_o iron_n we_o be_v tell_v not_o only_o by_o pliny_n and_o srabo_n but_o fallopius_n and_o caessalpinus_n that_o in_o the_o island_n of_o elva_n not_o far_o from_o the_o coast_n of_o tuscany_n iron_n have_v be_v observe_v to_o grow_v and_o agricola_n atte_v the_o like_a to_o be_v observe_v in_o germany_n and_o johan_n gerherd_n tell_v we_o that_o he_o be_v inform_v that_o not_o far_o from_o amberga_n the_o ore_n expose_v to_o the_o air_n for_o some_o time_n in_o heap_n require_v metalline_a part_n silver_n of_o the_o growth_n of_o silver_n i_o have_v be_v tell_v that_o silver_n grow_v in_o the_o form_n of_o vegetable_n and_o in_o a_o voyage_n to_o pern_n i_o find_v the_o follow_a relation_n viz._n that_o in_o the_o mine_n of_o potosi_n it_o be_v observe_v that_o earth_n that_o be_v dug_n out_o of_o the_o grooves_n and_o shaft_n and_o throw_v aside_o have_v such_o a_o propensity_n to_o the_o production_n of_o metal_n that_o after_o some_o year_n it_o will_v yield_v metal_n gold_n of_o the_o growth_n of_o gold_n though_o there_o be_v no_o gold_n to_o be_v find_v on_o the_o coast_n of_o guyny_n in_o congo_n and_o other_o part_n of_o africa_n where_o writer_n mention_v it_o to_o be_v find_v yet_o i_o be_o tell_v that_o in_o hungary_n the_o master_n of_o that_o famous_a gold_n mine_n of_o cremnitz_n have_v observe_v that_o the_o whole_a mountain_n abound_v with_o particle_n of_o gold_n and_o that_o when_o they_o have_v clear_v a_o great_a deal_n of_o the_o soil_n in_o one_o place_n of_o its_o metalline_a part_n they_o throw_v it_o into_o the_o hole_n again_o and_o observe_v that_o in_o a_o little_a time_n it_o will_v yield_v gold_n as_o before_o and_o johan_n gerherd_n give_v we_o a_o instance_n of_o the_o growth_n of_o gold_n in_o germany_n postscript_n dr._n brown_n tell_v we_o that_o he_o observe_v the_o passage_n in_o several_a mine_n grow_v up_o especial_o in_o moist_a place_n and_o that_o the_o yellow_a soil_n near_o cremnitz_n yield_v some_o gold_n whether_o the_o increase_n of_o metal_n depend_v on_o the_o influence_n of_o the_o air_n or_o some_o other_o cause_n till_o further_a and_o more_o strict_a observation_n have_v be_v make_v i_o shall_v not_o undertake_v to_o determine_v but_o shall_v only_o add_v that_o a_o marchasite_n have_v be_v shut_v up_o in_o vacuo_fw-la it_o acquire_v a_o vitriolate_a efforescence_n betwixt_o blue_a and_o green_a chap._n x._o a_o hydrostatical_a way_n of_o estimate_v oar_n estimate_v oar_n hydrostatical_o estimate_v to_o help_v i_o to_o make_v a_o estimate_n of_o the_o proportion_n of_o metalline_a or_o the_o mineral_n ingredient_n of_o body_n i_o weigh_v a_o piece_n of_o rock-crystal_n or_o white_a marble_n first_o in_o air_n and_o then_o in_o water_n by_o which_o i_o find_v that_o its_o weight_n to_o a_o equal_a bulk_n of_o water_n be_v as_o 2_o ¾_n to_o 1_o or_o as_o 11_o to_z 4_o and_o then_o by_o weigh_v metalline_a body_n such_o as_o magnet_n and_o emeri_fw-la i_o find_v that_o the_o weight_n of_o these_o in_o water_n be_v more_o than_o that_o of_o crystal_n the_o proportion_n of_o the_o latter_a be_v as_o four_o to_o one_o by_o which_o trial_n i_o be_v enable_v to_o guess_v that_o these_o stone_n contain_v metalline_a part_n in_o they_o and_o by_o the_o same_o method_n i_o discover_v metalline_a ingredient_n in_o some_o body_n which_o be_v not_o general_o look_v upon_o as_o such_o as_o lapis_n hematites_n and_o american_n talc_n and_o as_o it_o be_v general_o a_o certain_a sign_n that_o a_o body_n contain_v mineral_n ingredient_n proportionable_o as_o it_o be_v heavy_a than_o crystal_n so_o it_o be_v no_o less_o certain_a that_o body_n light_a than_o crystal_n be_v not_o impregnate_v with_o a_o metalline_a ore_n as_o jet_v succinum_fw-la sulphur_n vive_n common_a sulphur_n english_a talc_n venetian_a talc_n and_o black_a lead_n who_o weight_n to_o water_n be_v but_o as_o 1_o 1â—_n 100_o to_o 1_o and_o which_o by_o certain_a trial_n i_o have_v find_v to_o be_v a_o kind_n of_o talc_n as_o for_o the_o advantage_n that_o may_v be_v reap_v by_o estimate_v oar_n they_o may_v either_o respect_v jeweller_n physician_n or_o chemist_n as_o when_o the_o metalline_a ingredient_n be_v but_o small_a or_o mineralist_n who_o business_n it_o be_v to_o extract_v the_o metal_n when_o by_o this_o hydrostatical_a way_n it_o appear_v to_o be_v sufficient_o impregnate_v but_o because_o there_o be_v some_o cruder_n metalline_a ingredient_n in_o some_o body_n as_o antimony_n bismuth_n lapis_n calaminaris_n and_o pyrite_n which_o may_v deceive_v a_o unskilful_a mineralist_n who_o estimate_n they_o this_o way_n it_o may_v be_v convenient_a to_o make_v use_n of_o other_o trial_n to_o distinguish_v they_o and_o since_o some_o mineral_n oar_n when_o try_v in_o the_o lump_n appear_v to_o be_v poor_o stock_v with_o metalline_a part_n it_o may_v be_v of_o use_n to_o beat_v they_o to_o powder_n and_o to_o separate_v the_o metalline_a part_n by_o wash_v or_o else_o by_o fire_n for_o by_o that_o mean_v i_o once_o find_v that_o a_o metalline_a ore_n which_o be_v wrought_v for_o lead_n afford_v a_o sufficient_a quantity_n of_o silver_n to_o answer_v the_o charge_n of_o work_v it_o and_o to_o this_o caution_n i_o must_v add_v the_o follow_a viz._n that_o since_o marcasite_n be_v general_o heavy_a than_o common_a crystal_n and_o by_o some_o look_v upon_o to_o be_v plentiful_o stock_v with_o metalline_a part_n because_o of_o their_o weight_n and_o the_o glitter_a of_o their_o part_n yet_o they_o may_v easy_o be_v undecive_v by_o place_v they_o in_o a_o hot_a fire_n for_o by_o that_o mean_v the_o sulphureous_a part_n will_v be_v consume_v and_o leave_v behind_o they_o a_o black_a calx_fw-la but_o though_o marcasite_n abound_v not_o with_o metalline_a part_n proportionable_a to_o their_o bulk_n yet_o i_o have_v find_v by_o experience_n that_o some_o of_o they_o have_v afford_v not_o only_a copper_n silver_n and_o gold_n but_o sometime_o a_o quantity_n of_o run_v mercury_n
one_o so_o that_o these_o have_v a_o much_o less_o specific_a gravity_n than_o fossil_n stone_n a_o three_o use_n of_o this_o hydrostatical_a way_n of_o weigh_v body_n use_v iii_o may_v be_v to_o distinguish_v several_a species_n of_o body_n into_o subordinate_a species_n as_o the_o loadstone_n of_o several_a country_n be_v different_a in_o weight_n for_o i_o have_v observe_v norwegian_n and_o the_o english_a loadstone_n to_o be_v heavy_a in_o specie_fw-la than_o those_o that_o come_v out_o of_o italy_n in_o which_o the_o island_n of_o elba_n abound_v with_o mine_n whereof_o one_o entire_a mass_n weigh_v a_o great_a many_o hundred_o of_o pound_n four_o use_v iv_o this_o method_n may_v enable_v we_o to_o distinguish_v counterfeit_a stone_n from_o those_o that_o be_v real_a and_o good_a since_o when_o they_o be_v hydrostatical_o weigh_v there_o will_v appear_v a_o manifest_a difference_n not_o only_o in_o adulterate_a coral_n but_o bezoar_v and_o other_o valuable_a stone_n five_o use_v five_o by_o this_o mean_n we_o may_v be_v enable_v to_o distinguish_v betwixt_o genuine_a concretes_n use_v in_o medicine_n and_o those_o that_o be_v not_o genuine_a as_o also_o whether_o precious_a stone_n abound_v more_o or_o less_o with_o metalline_a ingredient_n but_o though_o sometime_o stone_n that_o be_v transparent_a may_v not_o be_v so_o plentiful_o impregnate_v with_o medicinal_a and_o mineral_n effluvia_fw-la yet_o consider_v the_o activity_n and_o great_a subtlety_n of_o some_o pigment_n the_o latter_a may_v be_v as_o powerful_a and_o that_o every_o sensible_a part_n of_o a_o body_n may_v be_v impregnate_v by_o a_o small_a quantity_n of_o pigment_n will_v appear_v from_o the_o follow_a experiment_n viz._n if_o five_o grain_n of_o zaphora_n be_v mix_v with_o one_o ounce_n and_o half_a of_o venice_n glass_n fine_o powder_v and_o keep_v in_o fusion_n in_o a_o furnace_n with_o a_o violent_a hot_a fire_n it_o will_v give_v the_o whole_a a_o fine_a blue_a colour_n and_o if_o the_o proportion_n of_o the_o zaphora_fw-it be_v as_o one_o to_o six_o the_o glass_n will_v be_v too_o deep_o tinge_v to_o make_v a_o handsome_a gem._n and_o to_o show_v further_o that_o a_o small_a quantity_n of_o metalline_a matter_n may_v be_v sufficient_a to_o impart_v a_o virtue_n to_o glass_n and_o even_a gem_n i_o shall_v add_v that_o eight_o grain_n of_o the_o powder_n of_o a_o german_a granate_n be_v keep_v in_o fusion_n with_o a_o ounce_n of_o crystalline_a glass_n it_o give_v it_o a_o tincture_n like_o that_o which_o steel_n give_v to_o pure_a glass_n from_o what_o have_v be_v say_v it_o appear_v how_o the_o proportion_n of_o solid_a substance_n to_o water_n may_v be_v hydrostatically-distinguished_n but_o since_o there_o be_v other_o substance_n which_o can_v be_v so_o weigh_v be_v either_o subject_a to_o dissolve_v in_o water_n or_o not_o fit_a to_o be_v suspend_v by_o a_o hair_n by_o reason_n of_o their_o form_n be_v either_o powder_n or_o liquid_n to_o make_v a_o estimate_n of_o these_o i_o contrive_v the_o bucket_n former_o mention_v and_o represent_v in_o fig._n 00_o plate_n the_o first_o which_o be_v suspend_v in_o water_n and_o counterpoise_v we_o put_v a_o know_a weight_n of_o quicksilver_n in_o it_o by_o which_o mean_v compare_v its_o weight_n in_o water_n with_o its_o weight_n in_o air_n and_o divide_v the_o great_a number_n by_o the_o difference_n of_o its_o weight_n in_o air_n from_o what_o it_o be_v in_o water_n and_o which_o be_v thirty_o four_o grain_n we_o find_v the_o quotient_a to_o be_v fourteen_o and_o about_o 1_o 10_o so_o that_o the_o mercury_n make_v use_v of_o in_o this_o trial_n be_v as_o 14_o 11_o 100_o to_o 1_o but_o common_a mercury_n which_o be_v sell_v in_o the_o shop_n we_o have_v find_v to_o weigh_v not_o above_o thirteen_o and_o a_o half_a to_o one_o and_o indeed_o i_o have_v find_v a_o notable_a disparity_n in_o the_o weight_n of_o most_o common_a mercury_n especial_o those_o draw_v from_o gold_n for_o the_o mercury_n be_v combine_v with_o that_o metal_n become_v heavy_a than_o common_a mercury_n by_o the_o same_o measure_n we_o may_v know_v the_o specific_a gravity_n of_o any_o liquor_n which_o be_v heavy_a than_o water_n and_o which_o be_v unapt_a to_o mix_v with_o it_o such_o as_o oil_n of_o cinnamon_n clove_n guajacum_fw-la etc._n etc._n and_o by_o the_o assistance_n of_o the_o same_o bucket_n we_o may_v be_v able_a likewise_o to_o weigh_v powder_n and_o estimate_v their_o goodness_n if_o we_o put_v a_o know_a weight_n of_o they_o in_o the_o air_n into_o the_o bucket_n and_o pour_v in_o gentle_o as_o much_o water_n as_o will_v fill_v up_o the_o pore_n contain_v betwixt_o they_o and_o be_v sufficient_a to_o expel_v the_o particle_n of_o air_n contain_v betwixt_o the_o small_a part_n of_o it_o but_o in_o all_o these_o trial_n it_o will_v be_v requisite_a to_o suspend_v the_o scale_n of_o the_o gibbet_n delineate_v in_o the_o precede_a figure_n that_o the_o scale_n may_v hang_v the_o steddy_a whilst_o the_o body_n be_v a_o weigh_v but_o since_o there_o be_v several_a saline_a body_n as_o sublimate_n mercurius_n dulcis_fw-la vitriol_n rock-allom_n etc._n etc._n which_o can_v be_v weigh_v in_o water_n in_o such_o case_n instead_o of_o water_n we_o may_v substitute_v oil_n of_o turpentine_n which_o though_o it_o be_v of_o a_o different_a specific_a gravity_n from_o water_n yet_o by_o careful_o weigh_v a_o parcel_n of_o any_o substance_n which_o be_v genuine_a in_o that_o liquor_n it_o may_v serve_v for_o a_o standard_n to_o estimate_v the_o goodness_n of_o other_o parcel_n of_o the_o same_o substance_n by_o and_o it_o will_v be_v no_o very_o difficult_a matter_n for_o one_o well_o skill_v in_o number_n by_o compare_v the_o specific_a gravity_n of_o oil_n of_o turpentine_n and_o water_n together_o to_o know_v what_o proportion_n the_o body_n weigh_v in_o oil_n will_v bear_v to_o a_o equal_a bulk_n of_o common_a water_n another_o way_n which_o may_v be_v take_v to_o estimate_v the_o specific_a gravity_n of_o liquor_n be_v by_o make_v use_n of_o a_o body_n that_o will_v subside_o in_o all_o liquor_n but_o quicksilver_n for_o thus_o by_o first_o weigh_v that_o body_n in_o air_n and_o then_o in_o several_a liquor_n and_o have_v note_v the_o difference_n betwixt_o the_o solid_a and_o each_o of_o the_o liquor_n it_o be_v not_o difficult_a to_o find_v the_o specific_a weight_n of_o each_o and_o the_o proportion_n betwixt_o they_o and_o since_o it_o be_v but_o one_o solid_a that_o be_v compare_v thus_o to_o the_o differ_a liquor_n whatsoever_o their_o number_n be_v it_o will_v not_o be_v difficult_a to_o compare_v the_o specific_a gravity_n of_o the_o liquor_n betwixt_o themselves_o and_o to_o discover_v by_o the_o weight_n of_o the_o first_o that_o of_o any_o other_o which_o ever_o one_o please_v but_o in_o make_v choice_n of_o such_o a_o solid_a body_n as_o may_v serve_v our_o present_a purpose_n care_n must_v be_v take_v that_o it_o be_v such_o as_o will_v not_o be_v subject_a to_o be_v consume_v by_o effluvia_fw-la or_o too_o large_a for_o a_o tender_a balance_n nor_o so_o big_a as_o to_o require_v too_o much_o liquor_n to_o cover_v it_o and_o last_o it_o ought_v to_o be_v of_o such_o a_o nature_n that_o it_o may_v not_o be_v liable_a to_o be_v corrode_v by_o sharp_a and_o corrosive_a liquor_n or_o easy_o break_v but_o such_o as_o may_v be_v easy_o obtain_v that_o what_o experiment_n be_v try_v with_o it_o may_v easy_o be_v try_v by_o other_o and_o communicate_v to_o posterity_n the_o body_n make_v use_v of_o in_o try_v these_o kind_n of_o experiment_n and_o which_o come_v near_a what_o we_o think_v requisite_a for_o such_o trial_n be_v when_o we_o examine_v common_a water_n rain-water_n spirit_n of_o wine_n wine_n brandy_n vinegar_n and_o the_o liquor_n draw_v from_o it_o cider_n beer_n ale_n urine_n water_n distil_v from_o vegetable_a and_o animal_n substance_n amber_n but_o to_o estimate_v the_o weight_n of_o heavy_a liquor_n we_o employ_v a_o glass-bubble_n hermetical_o seal_v and_o fill_v with_o mercury_n but_o this_o be_v both_o hard_a to_o be_v obtain_v and_o hard_a to_o be_v preserve_v i_o make_v use_v of_o the_o follow_a body_n in_o such_o experiment_n as_o be_v to_o be_v record_v for_o posterity_n viz._n a_o globe_n of_o rock-crystal_n which_o be_v suspend_v by_o a_o hair_n which_o pass_v through_o a_o small_a hole_n in_o it_o and_o which_o we_o employ_v to_o discover_v the_o difference_n of_o those_o liquor_n which_o we_o can_v obtain_v great_a quantity_n of_o but_o for_o other_o we_o employ_v a_o hexagonal_a prism_n with_o a_o kind_n of_o pyramid_n at_o the_o end_n and_o this_o body_n be_v of_o such_o a_o figure_n we_o be_v able_a to_o employ_v it_o in_o small_a cylinder_n in_o which_o a_o small_a quantity_n of_o liquor_n will_v surround_v it_o and_o cover_v it_o
will_v pass_v into_o the_o receiver_n diaphanous_a and_o fluid_a though_o beside_o the_o particle_n of_o the_o sublimate_n it_o abound_v with_o antimonial_a particle_n carry_v over_o and_o keep_v invisible_a by_o the_o corrode_a salt_n and_o i_o be_o tell_v that_o tin_n will_v retain_v its_o own_o nature_n in_o the_o form_n of_o fume_n or_o flower_n which_o be_v evident_a since_o that_o white_a sublimate_n which_o be_v gather_v above_o the_o furnace_n where_o the_o ore_n be_v bring_v to_o fusion_n be_v melt_v down_o will_v yield_v store_n of_o tin_n and_o beside_o these_o way_n the_o determinate_a nature_n of_o effluvium_n may_v be_v distinguish_v by_o their_o sensible_a quality_n since_o the_o exhalation_n which_o rise_v from_o several_a body_n produce_v by_o art_n appear_v to_o be_v of_o different_a colour_n though_o no_o external_a heat_n be_v employ_v to_o raise_v they_o for_o the_o fume_n of_o spirit_n of_o nitre_n well_o rectify_v when_o cold_a and_o stop_v up_o appear_v in_o the_o vial_n to_o be_v of_o a_o reddish_a colour_n and_o when_o the_o vessel_n be_v unstopped_a they_o will_v ascend_v in_o the_o form_n of_o a_o reddish_a or_o orange_n tawny_a smoke_n and_o spirit_n of_o salt_n or_o oil_n will_v when_o expose_v to_o the_o open_a air_n ascend_v in_o the_o form_n of_o a_o white_a smoke_n and_o so_o will_v a_o volatile_a tincture_n of_o sulphur_n make_v with_o quicklime_n and_o both_o this_o and_o that_o of_o salt-petre_n do_v by_o their_o smell_n as_o well_o as_o operation_n discover_v of_o what_o nature_n they_o be_v and_o i_o have_v observe_v that_o the_o essential_a oil_n of_o wormwood_n be_v draw_v off_o in_o a_o copper_n alembick_a tin_a be_v not_o only_o green_a but_o retain_v that_o colour_n when_o rectify_v in_o a_o glass-vessel_n and_o though_o these_o essential_a oil_n be_v but_o the_o condense_a effluvia_fw-la of_o vegetable_n yet_o they_o retain_v the_o genuine_a taste_n of_o the_o body_n from_o whence_o they_o be_v draw_v and_o not_o only_a wormwood_n but_o amber_n may_v communicate_v their_o taste_n by_o effluvia_fw-la raise_v without_o the_o help_n of_o heat_n for_o wormwood_n have_v be_v keep_v in_o a_o close_a room_n not_o only_o affect_v the_o nostril_n strong_o but_o the_o tongue_n with_o a_o bitter_a taste_n and_o amber_n keep_v in_o spirit_n of_o wine_n impregnate_v it_o sufficient_o to_o give_v it_o a_o genuine_a taste_n as_o well_o as_o smell_v and_o that_o most_o essential_a oil_n retain_v their_o genuine_a odour_n be_v very_o evident_a and_o that_o the_o effluvia_fw-la of_o body_n may_v affect_v even_o the_o touch_n of_o animal_n may_v not_o only_o be_v argue_v from_o the_o effect_n perceive_v by_o some_o people_n upon_o change_n of_o wether_n but_o by_o that_o memorable_a passage_n relate_v by_o diemerbroeck_n who_o after_o he_o be_v cure_v of_o the_o plague_n it_o leave_v such_o a_o change_n in_o some_o part_n of_o his_o body_n that_o he_o say_v ab_fw-la illo_fw-la periculo_fw-la ad_fw-la contagioso_n mihi_fw-la appropinquanti_fw-la in_o emunctoriis_fw-la successit_fw-la dolour_n vix_fw-la fallax_fw-la pestis_fw-la indicium_fw-la to_o which_o i_o shall_v add_v that_o i_o know_v one_o who_o can_v hear_v very_o soft_a whisper_n when_o ill_o of_o a_o fever_n though_o the_o sound_n and_o healthful_a stander_n by_o can_v not_o and_o i_o be_v tell_v by_o a_o lady_n that_o she_o can_v tell_v by_o her_o smell_n whether_o one_o that_o come_v to_o visit_v she_o have_v be_v in_o any_o place_n where_o the_o ground_n be_v cover_v with_o snow_n and_o i_o know_v a_o gentleman_n who_o eye_n be_v so_o tender_a during_o a_o distemper_n he_o have_v in_o they_o that_o he_o can_v discern_v and_o distinguish_v colour_n in_o the_o dark_a and_o i_o be_o tell_v that_o a_o bloodhound_n find_v out_o a_o man_n bare_o by_o scent_n though_o he_o have_v pass_v through_o a_o market_n town_n and_o several_a crowd_n of_o people_n and_o further_a instance_n may_v be_v bring_v from_o observation_n make_v on_o bloodhound_n some_o of_o which_o will_v scent_v a_o deer_n twenty_o four_o hour_n after_o and_o a_o gentleman_n tell_v i_o that_o he_o know_v when_o his_o dog_n be_v in_o pursuit_n of_o a_o fox_n or_o a_o hare_n because_o they_o run_v with_o their_o nose_n near_o the_o ground_n after_o the_o latter_a the_o scent_n of_o it_o not_o be_v so_o strong_a and_o i_o prepare_v a_o body_n of_o a_o vegetable_a substance_n which_o though_o actual_o cold_a will_v impart_v its_o colour_n to_o a_o metalline_a plate_n though_o separate_v from_o it_o by_o the_o interposition_n of_o a_o piece_n of_o paper_n but_o perhaps_o it_o may_v be_v object_v by_o some_o that_o these_o effluvium_n may_v be_v alter_v by_o unite_n with_o each_o other_o in_o the_o air._n to_o which_o it_o may_v be_v answer_v that_o they_o may_v nevertheless_o reserve_v their_o determinate_a nature_n though_o they_o act_v conjoint_o or_o so_o near_o it_o that_o their_o distinct_a operation_n can_v be_v perceive_v as_o when_o two_o string_n of_o a_o musical_a instrument_n be_v strike_v at_o the_o same_o time_n they_o both_o of_o they_o seem_v to_o make_v only_o one_o impression_n upon_o the_o ear._n and_o if_o spirit_n of_o nitre_n be_v drop_v into_o oil_n of_o tartar_n per_fw-la deliquium_fw-la upon_o a_o evaporation_n of_o the_o superfluous_a moisture_n the_o acid_n and_o alkalious_a particle_n will_v form_v nitrous_a concretion_n who_o taste_n will_v be_v different_a from_o that_o of_o either_o of_o the_o separate_a ingredient_n and_o so_o if_o a_o equal_a proportion_n of_o salarmoniack_a be_v add_v to_o a_o strong_a solution_n of_o pot-ash_n or_o salt_n of_o tartar_n a_o subtle_a urinous_a spirit_n will_v come_v over_o in_o distillation_n and_o also_o a_o caput_fw-la mortuum_n which_o be_v almost_o whole_o a_o compound_a salt_n differ_v enough_o from_o either_o of_o the_o ingredient_n especial_o the_o alkalizate_n in_o taste_n and_o other_o quality_n and_o to_o these_o instance_n i_o shall_v add_v that_o several_a flower_n be_v apt_o mix_v in_o a_o nosegay_n and_o hold_v at_o a_o distance_n they_o make_v a_o confuse_a and_o joint_a impression_n upon_o the_o organ_n of_o smell_v and_o so_o do_v perfume_n make_v up_o of_o several_a ingredient_n and_o spirit_n of_o fermented_a urine_n and_o of_o wine_n be_v well_o dephlegm_v will_v incorporate_v like_o wine_n and_o water_n without_o afford_v the_o least_o dry_a sediment_n but_o if_o in_o a_o convenient_a vessel_n they_o be_v expose_v to_o a_o moderate_a heat_n the_o ascend_a fume_n will_v adhere_v to_o the_o upper_a part_n of_o the_o glass_n in_o the_o form_n of_o a_o white_a but_o tender_a sublimate_n different_a from_o either_o of_o the_o liquor_n not_o only_o in_o consistence_n but_o taste_n and_o smell_v and_o if_o spirit_n of_o salt_n and_o nitre_n be_v elevate_v by_o distillation_n in_o the_o form_n of_o fume_n the_o condense_a liquor_n will_v dissolve_v gold_n though_o neither_o spirit_n of_o nitre_n nor_o of_o salt_n will_v do_v so_o and_o to_o demonstrate_v the_o coalition_n of_o steam_n in_o the_o air_n i_o shall_v add_v that_o have_v fill_v two_o vial_n the_o one_o with_o spirit_n of_o salt_n and_o the_o other_o with_o spirit_n of_o salarmoniack_a well_o rectify_v the_o ascend_a fume_n which_o before_o be_v invisible_a work_v one_o upon_o another_o in_o the_o air_n form_v visible_a steam_n which_o appear_v like_o smoak_n but_o when_o they_o be_v remove_v a_o great_a distance_n from_o each_o other_o the_o separate_z and_o invisible_a steam_n be_v no_o long_o discernible_a and_o one_o thing_n relate_v to_o this_o experiment_n which_o be_v remarkable_a be_v that_o a_o drop_n of_o spirit_n of_o salt_n hang_v at_o the_o end_n of_o a_o glass_n stick_v be_v hold_v over_o the_o orifice_n of_o a_o vial_n with_o a_o long_a neck_n the_o ascend_a vapour_n of_o salarmoniack_a will_v form_v a_o smoke_n which_o will_v be_v visible_a till_o it_o be_v a_o quarter_n of_o a_o yard_n above_o the_o glass_n but_o if_o the_o drop_n be_v hold_v within_o the_o neck_n of_o the_o vial_n the_o aforementioned_a fume_n will_v fall_v into_o the_o ball_n of_o the_o glass_n like_o a_o stream_n of_o liquor_n and_o spread_v itself_o like_o a_o mist_n upon_o the_o surface_n of_o the_o salarmoniack_a which_o experiment_n may_v help_v we_o to_o account_v for_o the_o sudden_a invasion_n of_o meteor_n and_o cloud_n especial_o in_o reference_n to_o the_o come_n in_o or_o cease_v of_o several_a epidemical_a disease_n and_o more_o particular_o the_o plague_n which_o seem_v to_o depend_v on_o the_o occult_a temper_n and_o alteration_n of_o the_o air_n different_o impregnate_v with_o subterraneal_a effluvia_fw-la a_o instance_n of_o which_o be_v relate_v by_o diemerbroeck_n who_o tell_v we_o of_o a_o plague_n occasion_v by_o wash_v of_o foul_a linen_n with_o soap_n the_o fume_n of_o the_o smoak_n unite_n with_o other_o effluvia_fw-la in_o the_o air_n cause_v
spirit_n xiii_o of_o the_o relation_n betwixt_o spirit_n of_o human_a blood_n and_o the_o air._n fourteen_o of_o the_o hostility_n of_o human_a blood_n with_o acid_n whether_o in_o the_o form_n of_o liquor_n or_o fume_n xv._o of_o the_o medicinal_a virtue_n of_o spirit_n of_o human_a blood_n external_o apply_v xvi_o of_o the_o medicinal_a virtue_n of_o spirit_n of_o human_a blood_n internal_o give_v in_o pleurisy_n headache_n cough_n fever_n scurvy_n cachexy_n dropsy_n fit_v of_o the_o mother_n xvii_o paralipomena_fw-la and_o promiscuous_a experiment_n and_o observation_n concern_v the_o spirit_n of_o human_n blood_n title_n i._o whether_o human_a blood_n may_v be_v so_o order_v by_o fermentation_n or_o putrefaction_n as_o that_o in_o distillation_n a_o spirit_n either_o vrinous_a or_o vinous_a may_v ascend_v before_o the_o phlegm_n consider_v that_o fever_n have_v be_v look_v upon_o to_o proceed_v from_o a_o fermentation_n in_o the_o blood_n and_o likewise_o that_o human_a urine_n which_o have_v a_o great_a cognation_n with_o human_a blood_n will_v not_o whilst_o fresh_a afford_v a_o spirit_n till_o the_o phlegm_n be_v first_o draw_v off_o this_o subject_a of_o this_o title_n may_v not_o appear_v groundless_a but_o i_o be_o not_o much_o encourage_v to_o expect_v a_o vinous_a or_o ardent_a spirit_n from_o human_a blood_n nor_o be_o i_o sure_a there_o be_v any_o such_o thing_n as_o fermentation_n in_o human_n blood_n and_o on_o this_o occasion_n i_o shall_v add_v that_o have_v once_o keep_v blood_n hermetical_o seal_v up_o in_o a_o glass_n for_o twelve_o month_n when_o it_o come_v to_o be_v open_v it_o smell_v so_o offensive_o that_o we_o can_v not_o make_v any_o trial_n upon_o it_o and_o another_o time_n have_v digest_v in_o a_o pretty_a large_a vial_n hermetical_o seal_v some_o sheep_n blood_n when_o it_o have_v be_v a_o good_a while_n in_o the_o digestive_a furnace_n it_o sudden_o break_v with_o a_o considerable_a noise_n and_o blow_v off_o the_o long_a neck_n of_o the_o vial._n and_o here_o to_o what_o have_v be_v lay_v down_o i_o shall_v add_v that_o some_o ounce_n of_o serum_n of_o blood_n be_v add_v to_o a_o four_o part_n of_o raisin_n of_o the_o sun_n stone_v and_o keep_v in_o a_o glass_n in_o a_o warm_a room_n for_o several_a day_n the_o event_n of_o this_o trial_n be_v that_o within_o in_o a_o few_o day_n the_o raisin_n begin_v to_o emerge_n and_o whilst_o they_o float_v yield_v a_o considerable_a quantity_n of_o springy_a and_o permanent_a air_n from_o whence_o it_o appear_v that_o there_o have_v be_v some_o degree_n of_o fermentation_n but_o when_o this_o serum_n come_v to_o be_v distil_v though_o it_o do_v not_o stink_v as_o if_o it_o have_v be_v putrify_v yet_o the_o spirit_n which_o first_o ascend_v taste_v not_o like_o a-viscous_a spirit_n nor_o like_o a_o mere_a phlegm_n whether_o the_o fermentation_n observe_v in_o this_o liquor_n depend_v on_o the_o whole_a serum_n or_o only_o on_o the_o aqueous_a part_n distinct_a from_o it_o i_o shall_v leave_v to_o experience_n to_o determine_v to_o try_v whether_o digestion_n or_o putrefaction_n will_v so_o open_v the_o texture_n of_o blood_n as_o to_o make_v it_o part_n with_o its_o spirit_n more_o easy_o and_o before_o the_o phlegm_n i_o keep_v a_o quantity_n of_o serum_n for_o that_o purpose_n four_o time_n as_o long_o as_o be_v sufficient_a to_o make_v urine_n part_n with_o its_o spirit_n before_o its_o phlegm_n but_o the_o liquor_n which_o come_v over_o by_o a_o gentle_a heat_n have_v but_o little_a strength_n either_o in_o smell_n or_o taste_n nor_o will_v it_o ready_o turn_v syrup_n of_o violet_n green_a yet_o like_o a_o volatile_a alkaly_n it_o will_v soon_o turn_v a_o solution_n of_o sublimate_n in_o fair_a water_n into_o a_o white_a opacous_a and_o almost_o milky_a liquor_n title_n ii_o whether_o spirit_n of_o human_a blood_n be_v real_o any_o thing_n but_o the_o volatile_a salt_n and_o phlegm_n well_o commix_v for_o several_a reason_n i_o be_o incline_v to_o believe_v that_o the_o spirit_n of_o human_a blood_n be_v total_o compose_v of_o a_o volatile_a salt_n and_o a_o phlegm_n which_o be_v not_o so_o pure_a and_o elementary_a but_o that_o some_o particle_n of_o oil_n and_o other_o of_o salt_n may_v be_v mix_v with_o it_o and_o whether_o by_o frequent_a rectification_n this_o phlegm_n may_v be_v render_v homogeneous_a i_o much_o question_n since_o i_o be_o not_o sure_a but_o that_o in_o frequent_a distillation_n some_o particle_n of_o the_o fire_n mny_n be_v from_o time_n to_o time_n associate_v with_o the_o liquor_n and_o even_o in_o the_o first_o distillation_n the_o fire_n unite_n with_o the_o liquor_n may_v form_v one_o different_a from_o the_o ingredient_n or_o principle_n of_o the_o body_n and_o i_o have_v find_v that_o wood_n afford_v by_o distillation_n a_o liquor_n which_o be_v not_o a_o oil_n nor_o a_o acid_n or_o a_o alkaly_n and_o yet_o no_o true_a phlegm_n but_o a_o adiaphorous_a liquor_n and_o on_o this_o occasion_n to_o show_v that_o the_o composition_n of_o a_o body_n may_v as_o well_o be_v make_v know_v by_o investigate_a the_o way_n of_o generate_a or_o produce_v it_o as_o by_o that_o of_o analyse_a or_o resolve_v it_o i_o shall_v add_v that_o have_v dissolve_v as_o much_o volatile_a salt_n of_o human_a blood_n in_o distil_a water_n as_o the_o liquor_n will_v take_v up_o and_o then_o have_v distil_v it_o in_o a_o convenient_o shape_v vessel_n with_o a_o regulate_v degree_n of_o heat_n the_o distillation_n afford_v we_o such_o a_o liquor_n as_o be_v desire_v since_o by_o smell_n and_o taste_v it_o appear_v to_o be_v a_o good_a brisk_a spirit_n of_o human_n blood_n and_o this_o experiment_n be_v again_o repeat_v with_o the_o like_a success_n title_n iii_o of_o the_o species_n of_o saline_n body_n to_o which_o the_o spirit_n of_o human_a blood_n be_v to_o be_v refer_v though_o it_o be_v general_o allow_v that_o saline_n spirit_n be_v of_o two_o sort_n yet_o it_o may_v not_o be_v amiss_o to_o add_v that_o some_o of_o they_o be_v acid_n in_o taste_n as_o spirit_n of_o nitre_n vitriol_n etc._n etc._n other_o be_v rather_o like_o common_a or_o lixiviate_v salt_n and_o their_o different_a effect_n and_o operation_n be_v much_o less_o alike_o than_o their_o taste_n for_o upon_o their_o mixture_n there_o ensue_v a_o manifest_a conflict_n and_o usual_o one_o will_v precipitate_v the_o body_n the_o other_o will_v dissolve_v and_o among_o salt_n call_v alkaly_n some_o be_v fix_v in_o considerable_a degree_n of_o fire_n and_o other_o who_o take_v acid_n and_o alkaly_n for_o the_o true_a principle_n of_o mix_a body_n call_v the_o one_o fix_v and_o the_o other_o volatile_a alkaly_n and_o though_o i_o who_o question_n this_o doctrine_n often_o call_v the_o salt_n make_v by_o combustion_n simple_o alkaly_n or_o lixiviate_v salt_n and_o those_o that_o ascend_v sometime_o vrinous_a and_o sometime_o volatile_a salt_n yet_o since_o the_o name_n of_o fix_a alkaly_n and_o volatile_a one_o be_v in_o request_n now_o i_o shall_v now_o make_v use_n of_o they_o in_o that_o sense_n these_o thing_n be_v premise_v i_o shall_v proceed_v to_o observe_v that_o notwithstanding_o that_o some_o physician_n and_o chemist_n ascribe_v digestion_n to_o a_o acid_n ferment_n in_o the_o stomach_n yet_o the_o spirit_n of_o human_a blood_n be_v referrable_a to_o that_o classis_fw-la which_o many_o call_v volatile_a alkaly_n since_o it_o general_o perform_v what_o volatile_a alkaly_n be_v say_v to_o do_v for_o it_o will_v ferment_n with_o acid_n turn_v syrup_n of_o violet_n green_a and_o precipitate_v a_o solution_n of_o sublimate_n in_o common_a water_n be_v i_o sure_o that_o the_o ferment_n of_o the_o stomach_n be_v acid_n i_o shall_v be_v apt_a to_o believe_v that_o the_o blood_n retain_v something_o of_o acidity_n in_o it_o but_o yet_o that_o will_v not_o be_v a_o argument_n why_o i_o shall_v not_o refer_v the_o spirit_n of_o human_a blood_n to_o the_o class_n of_o alkaly_n because_o so_o few_o acid_n particle_n will_v either_o be_v destroy_v by_o the_o alkalizate_a one_o that_o be_v so_o abundant_a in_o the_o spirit_n or_o at_o least_o they_o will_v be_v so_o very_a much_o predominant_a as_o to_o give_v we_o reason_n on_o their_o account_n to_o denominate_v the_o mixture_n alkalious_a as_o if_o some_o drop_n of_o spirit_n of_o vinegar_n be_v mix_v with_o stale_a urine_n they_o will_v be_v either_o deprive_v of_o their_o acidity_n by_o some_o particle_n of_o a_o contrary_a nature_n or_o be_v so_o overpower_v by_o the_o fugitive_n salt_n they_o abound_v with_o that_o the_o mixture_n may_v well_o be_v refer_v to_o the_o classis_fw-la of_o volatile_a urinous_a salt_n title_n iu._n whether_o the_o spirit_n of_o human_a blood_n be_v differ_v from_o spirit_n of_o urine_n and_o other_o salt_n call_v volatile_a alkaly_n upon_o this_o occasion_n i_o shall_v offer_v
glass_n full_a though_o it_o will_v have_v such_o a_o effect_n upon_o stone_n and_o metal_n as_o can_v scarce_o be_v match_v and_o if_o specific_a medicine_n may_v act_v upon_o humour_n in_o the_o body_n after_o the_o manner_n of_o menstruum_n we_o may_v easy_o guess_v why_o they_o have_v peculiar_a virtue_n viz._n by_o reason_n of_o their_o aptness_n to_o work_v upon_o peculiar_o dispose_v body_n so_o as_o i_o have_v elsewhere_o note_v aqua_fw-la fortis_fw-la will_v not_o work_v upon_o silver_n if_o too_o strong_a till_o dilute_v with_o water_n and_o as_o the_o dissolution_n of_o a_o body_n may_v partly_o depend_v in_o its_o disposition_n to_o be_v act_v on_o by_o such_o a_o menstruum_fw-la from_o thence_o may_v be_v deduce_v a_o reason_n why_o a_o medicine_n which_o have_v good_a effect_n in_o one_o disease_n may_v have_v but_o indifferent_a one_o in_o other_o for_o though_o pure_a spirit_n of_o wine_n will_v easy_o dissolve_v gumm_n guajacum_fw-la and_o that_o rosinous_n matter_n lodge_v in_o the_o pore_n of_o the_o wood_n yet_o the_o same_o menstruum_fw-la will_v not_o work_v upon_o the_o wood_n itself_o and_o if_o so_o no_o wonder_n that_o those_o medicine_n which_o cure_n one_o distemper_n in_o one_o person_n will_v not_o cure_v it_o in_o another_o since_o a_o variation_n in_o the_o texture_n of_o the_o morbific_a matter_n be_v enough_o to_o vary_v the_o effect_n of_o the_o medicine_n and_o that_o a_o slight_a alteration_n of_o texture_n vary_v the_o effect_n of_o a_o menstruum_fw-la appear_v since_o though_o spirit_n of_o nitre_n or_o salt_n separate_v will_v each_o dissolve_v copper_n and_o though_o the_o spirit_n of_o nitre_n will_v dissolve_v silver_n yet_o if_o spirit_n of_o salt_n be_v add_v to_o it_o it_o soon_o lose_v that_o quality_n and_o here_o though_o some_o object_n against_o specific_a medicine_n that_o since_o they_o rove_v up_o and_o down_o in_o the_o blood_n they_o can_v act_v well_o on_o particular_a humour_n yet_o if_o we_o suppose_v the_o medicine_n act_v by_o impregnate_v the_o blood_n and_o that_o they_o turn_v it_o into_o a_o kind_n of_o menstruum_fw-la it_o be_v possible_a that_o both_o the_o menstruum_n may_v be_v appropriate_v to_o the_o peccant_a humour_n so_o as_o to_o resolve_v it_o more_o easy_o than_o any_o other_o humour_n of_o the_o body_n as_o if_o you_o take_v some_o bone_n ash_n crocus_n martis_n sawdust_n powder_a sea-salt_n and_o file_n of_o gold_n and_o mix_v they_o together_o common_a water_n will_v dissolve_v the_o salt_n and_o leave_v the_o other_o untouched_a and_o quicksilver_n will_v alone_o dissolve_v the_o gold_n and_o those_o that_o work_n in_o spanish_a gold_n mine_n tell_v we_o that_o quicksilver_n pour_v upon_o powder_a ore_n of_o gold_n and_o copper_n mix_v it_o will_v scarce_o meddle_v with_o the_o latter_a till_o the_o former_a be_v lick_v up_o and_o from_o what_o have_v be_v say_v we_o may_v be_v furnish_v with_o a_o reason_n of_o the_o effect_n of_o periapta_n annulet_n and_o appensa_fw-la especial_o if_o we_o consider_v what_o have_v already_o be_v deliver_v of_o the_o effluvium_n of_o body_n and_o the_o porosity_n of_o animal_n body_n and_o though_o these_o effluvia_fw-la be_v very_o small_a in_o quantity_n yet_o their_o effect_n may_v be_v more_o considerable_a in_o as_o much_o as_o they_o be_v neither_o alter_v nor_o consume_v by_o previous_a digestion_n and_o circulate_v through_o part_n in_o which_o they_o may_v be_v in_o a_o great_a measure_n disperse_v and_o carry_v off_o along_o with_o the_o excrement_n prop._n ii_o sometime_o a_o specific_a medicine_n may_v mortify_v the_o over_o acid_n or_o other_o immoderate_a particle_n that_o infect_v the_o mass_n of_o blood_n and_o destroy_v their_o coagulatory_a or_o other_o effect_n though_o i_o believe_v not_o that_o all_o distemper_n be_v yet_o i_o question_v not_o but_o that_o a_o great_a many_o be_v cause_v either_o by_o acid_n or_o their_o ill_a effect_n or_o production_n and_o which_o may_v be_v cure_v by_o specific_a medicine_n two_o way_n viz._n either_o by_o mortify_v they_o by_o a_o positive_a hostility_n such_o as_o alkalizate_a salt_n whether_o fix_v as_o the_o lixiviate_v salt_n of_o plant_n or_o volatile_a as_o those_o of_o urine_n etc._n etc._n or_o by_o take_v off_o or_o blunt_v their_o edge_n as_o a_o knife_n may_v lose_v its_o power_n of_o cut_v by_o put_v it_o in_o a_o sheath_n or_o stick_v something_o upon_o the_o edge_n for_o the_o edge_n of_o a_o acid_n may_v be_v take_v off_o as_o well_o by_o be_v lodge_v in_o a_o porous_a alkaly_n as_o by_o have_v their_o edge_n break_v off_o and_o thus_o it_o be_v that_o minium_n take_v off_o the_o acidity_n of_o vinegar_n chalk_n take_v off_o the_o edge_n of_o aqua_fw-la fortis_fw-la and_o lapis_fw-la calaminaris_n lessen_v the_o acidity_n of_o spirit_n of_o salt_n and_o spirit_n of_o nitre_n and_o that_o acid_n be_v rather_o sheathe_v than_o alter_v by_o these_o body_n i_o be_o apt_a to_o believe_v because_o as_o glauber_n tell_v we_o they_o may_v by_o a_o strong_a fire_n be_v draw_v out_o of_o lapis_n calaminaris_n much_o strong_a and_o more_o dephlegm_v than_o before_o and_o though_o it_o may_v be_v urge_v by_o those_o that_o plead_v against_o specific_a medicine_n that_o they_o act_n by_o a_o manifest_a quality_n viz._n their_o alkalious_a nature_n or_o their_o acid_n yet_o there_o be_v so_o great_a a_o variety_n betwixt_o acid_n and_o alkalious_a medicine_n themselves_o that_o i_o be_o persuade_v they_o perform_v a_o great_a deal_n upon_o the_o account_n of_o something_o else_o beside_o their_o acid_n or_o alkalious_a nature_n since_o aqua_fw-la fortis_fw-la will_v not_o dissolve_v god_n though_o it_o will_v silver_n but_o if_o it_o be_v alter_v by_o a_o addition_n of_o spirit_n of_o salt_n it_o will_v dissolve_v gold_n and_o not_o silver_n and_o a_o different_a modification_n may_v not_o only_o make_v a_o difference_n betwixt_o acid_n but_o a_o contrariety_n since_o spirit_n of_o salt_n will_v precipitate_v silver_n which_o aqua_n fortis_fw-la have_v dissolve_v and_o spirit_n of_o nitre_n will_v precipitate_v out_o of_o butter_n of_o antimony_n a_o antimonial_a powder_n with_o a_o considerable_a conflict_n and_o effervescence_n yet_o this_o butter_n of_o antimony_n be_v so_o high_o acid_n that_o a_o little_a quantity_n of_o it_o put_v into_o a_o little_a water_n make_v it_o so_o sour_a that_o many_o chemist_n call_v it_o acetum_fw-la philosophorum_fw-la and_o as_o there_o be_v several_a kind_n of_o acid_n and_o of_o alkaly_n too_o so_o every_o alkaly_n will_v not_o mortify_v the_o same_o acid_n for_o though_o chalk_n will_v precipitate_v a_o solution_n of_o copper_n in_o aqua_fw-la fortis_fw-la yet_o a_o volatile_a alkaly_n will_v not_o and_o indeed_o when_o i_o consider_v what_o difference_n there_o natural_o be_v betwixt_o acid_n it_o be_v not_o unreasonable_a to_o expect_v that_o there_o may_v be_v acid_n humour_n produce_v in_o the_o body_n utter_o unknown_a to_o we_o and_o which_o may_v require_v a_o specific_a alkaly_n to_o correct_v they_o as_o it_o be_v observe_v that_o though_o neither_o spirit_n of_o vinegar_n nor_o spirit_n of_o salt_n nor_o oil_n of_o vitriol_n will_v dissolve_v a_o calculus_fw-la humanus_fw-la yet_o spirit_n of_o nitre_n will_v and_o by_o that_o mean_n lose_v its_o corrosiveness_n and_o to_o what_o have_v be_v say_v i_o shall_v add_v that_o i_o be_o of_o opinion_n that_o particular_a acid_n may_v be_v the_o occasion_n of_o distemper_n which_o they_o be_v by_o some_o rather_o take_v to_o be_v remedy_n for_o though_o acid_n be_v look_v upon_o to_o be_v of_o a_o incisive_a nature_n and_o though_o in_o some_o case_n i_o be_o willing_a to_o allow_v they_o those_o virtue_n yet_o i_o believe_v that_o obstruction_n and_o the_o disease_n depend_v therein_o be_v cause_v by_o acid_n coagulate_v some_o fluid_n dispose_v to_o be_v thicken_v by_o they_o which_o may_v be_v exemplify_v by_o the_o coagulation_n i_o have_v make_v of_o some_o acid_n salt_n as_o spirit_n of_o salt_n of_o the_o white_a of_o a_o egg_n which_o by_o be_v beat_v be_v reduce_v to_o a_o aqueous_a consistence_n and_o milk_n will_v be_v coagulate_v not_o only_o by_o spirit_n of_o salt_n but_o rennet_n and_o juice_n of_o lemon_n and_o it_o have_v be_v find_v by_o experience_n that_o some_o acid_v transmit_v into_o the_o mass_n of_o blood_n have_v coagulate_v it_o in_o live_a animal_n but_o though_o i_o believe_v a_o great_a many_o distemper_n be_v occasion_v by_o acid_n yet_o i_o conceive_v some_o be_v occasion_v by_o acid_n salt_n unite_n with_o other_o saline_n body_n as_o spirit_n of_o salt_n and_o spirit_n of_o urine_n produce_v a_o salarmoniack_a and_o spirit_n of_o nitre_n with_o salt_n of_o tartar_n dissolve_v in_o common_a water_n will_v coagulate_v with_o it_o into_o salt-petre_n and_o the_o same_o spirit_n of_o nitre_n with_o spirit_n of_o urine_n will_v produce_v a_o very_a
fusible_a salt_n different_a from_o either_o of_o the_o ingredient_n and_o oil_n of_o vitriol_n or_o oil_n of_o tartar_n per_fw-la deliquium_fw-la will_v produce_v tartarum_fw-la vitriolatum_fw-la in_o which_o both_o the_o acidity_n and_o alkaliousness_n of_o the_o ingredient_n be_v much_o infringe_v the_o body_n result_v from_o the_o composition_n be_v different_a from_o both_o the_o ingredidient_n and_o if_o beside_o these_o instance_n we_o consider_v how_o many_o different_a substance_n may_v be_v produce_v by_o nature_n i_o be_o apt_a to_o believe_v that_o specific_a quality_n be_v requisite_a to_o alter_v or_o destroy_v they_o in_o the_o medicine_n make_v use_v of_o for_o that_o purpose_n and_o to_o what_o have_v be_v say_v i_o shall_v further_o add_v that_o i_o have_v mix_v two_o liquor_n together_o neither_o of_o which_o be_v acid_n or_o alkalious_a and_o yet_o the_o result_a body_n be_v a_o consistent_a coagulum_fw-la and_o i_o have_v prepare_v a_o certain_a liquor_n which_o upon_o the_o affusion_n of_o spirit_n of_o urine_n will_v be_v turn_v into_o a_o jelly_n and_o the_o like_a i_o have_v produce_v without_o the_o help_n of_o either_o a_o acid_n or_o a_o alkaly_n and_o i_o have_v have_v a_o substance_n prepare_v without_o the_o help_n of_o a_o volatile_a alkaly_n which_o will_v in_o a_o trice_n coagulate_v high_o rectify_v spirit_n of_o wine_n and_o as_o spirit_n of_o salt_n will_v coagulate_v the_o white_a of_o a_o egg_n so_o will_v dephlegm_v spirit_n of_o wine_n so_o that_o a_o animal_n substance_n may_v be_v coagulate_v without_o a_o acid._n prop._n iii_o sometime_o a_o specific_a medicine_n may_v help_v the_o patient_n iii_o prop._n iii_o by_o precipitate_v the_o peccant_a matter_n out_o of_o his_o blood_n or_o the_o other_o liquor_n of_o the_o body_n in_o which_o it_o harbour_v though_o precipitation_n be_v general_o a_o consequent_a of_o the_o mortification_n of_o acid_n or_o alkaly_n by_o corpuscle_n of_o a_o contrary_a quality_n yet_o some_o acid_n and_o alkaly_n may_v be_v mix_v without_o a_o precipitation_n of_o any_o thing_n and_o several_a precipitation_n may_v be_v cause_v without_o any_o such_o manifest_a hostility_n as_o in_o certain_a mixture_n of_o spirit_n of_o sal-armoniac_a make_v with_o salt_n of_o tartar_n or_o pot-ash_n and_o spirit_n of_o nitre_n or_o aqua_fw-la fortis_fw-la and_o also_o when_o spirit_n of_o urine_n and_o salt_n be_v mix_v in_o a_o certain_a proportion_n make_v sal_fw-la ammoniac_a which_o the_o phlegm_n of_o those_o liquor_n will_v keep_v swim_v and_o that_o there_o may_v be_v precipitation_n without_o any_o appearance_n of_o contrariety_n be_v evident_a when_o silver_n be_v dissolve_v in_o aquafortis_n the_o menstruum_fw-la be_v dilute_v with_o thirty_o or_o forty_o part_n of_o distil_v water_n for_o if_o clean_a plate_n of_o copper_n be_v immerse_v in_o the_o solution_n the_o metal_n will_v be_v slow_o precipitate_v out_o of_o it_o in_o the_o form_n not_o of_o a_o calx_fw-la but_o pure_a shine_a scale_n of_o silver_n and_o if_o you_o rub_v dantzick_n vitriol_n upon_o the_o blade_n of_o a_o knife_n well_o wet_v with_o water_n the_o steel_n in_o a_o trice_n will_v be_v overlay_v with_o a_o red_a substance_n which_o by_o its_o colour_n and_o sign_n appear_v manifest_o cupreous_a and_o here_o i_o shall_v add_v that_o there_o be_v in_o nature_n precipitant_n which_o silent_o precipitate_v some_o body_n dissolve_v in_o urinous_a menstruum_n and_o though_o against_o the_o use_n of_o precipitate_v medicine_n it_o may_v be_v urge_v that_o the_o heterogenous_a particle_n precipitate_v may_v be_v of_o dangerous_a consequence_n yet_o they_o may_v be_v less_o pernicious_a than_o those_o hostile_a particle_n that_o produce_v the_o disease_n and_o further_o they_o may_v not_o be_v so_o big_a but_o that_o it_o be_v possible_a for_o they_o to_o be_v carry_v out_o of_o the_o mass_n of_o blood_n since_o those_o mineral_n substance_n dissolve_v in_o tunbridge_n water_n and_o the_o sulphureous_a one_o in_o the_o bath_n chief_o perform_v their_o effect_n by_o be_v disperse_v through_o and_o act_v on_o the_o several_a part_n of_o the_o body_n but_o moreover_o it_o be_v possible_a precipitation_n may_v be_v make_v in_o the_o mass_n of_o blood_n without_o the_o medicine_n get_v into_o it_o which_o be_v observe_v in_o the_o use_n of_o chalybeat_a medicine_n where_o be_v it_o urge_v that_o they_o pass_v through_o the_o pore_n of_o the_o gut_n than_o there_o be_v no_o reason_n why_o there_o be_v not_o pore_n in_o the_o body_n large_a enough_o to_o carry_v off_o the_o precipitate_v part_n of_o the_o mass_n of_o blood_n and_o not_o only_a sennertus_n make_v use_v of_o medicine_n in_o fever_n to_o precipitate_v the_o febrile_a matter_n but_o kergerus_n very_o solemn_o declare_v that_o he_o cure_v thousand_o only_a by_o a_o precipitate_v medicine_n and_o that_o precipitate_v may_v be_v of_o use_n in_o physic_n i_o be_o the_o more_o incline_v to_o believe_v if_o a_o putrefaction_n of_o humour_n be_v right_o assign_v as_o the_o cause_n of_o some_o distemper_n because_o i_o know_v a_o liquor_n which_o be_v drop_v into_o stink_a water_n precipitate_v a_o light_a feculency_n out_o of_o it_o upon_o which_o the_o liquor_n be_v whole_o free_v from_o its_o stink_n nor_o can_v i_o perceive_v that_o the_o feculency_n itself_o have_v any_o and_o what_o be_v more_o remarkable_a be_v that_o the_o taste_n of_o this_o precipitant_n be_v neither_o bitter_a acid_n urinous_n or_o lixiviate_v prop._n iu._n sometime_o the_o specific_a remedy_n may_v work_v by_o peculiarly_a strengthen_n and_o cherish_v the_o heart_n the_o part_n affect_v or_o both_o that_o a_o medicine_n may_v have_v peculiar_a effect_n on_o this_o or_o that_o part_n i_o be_o incline_v to_o believe_v for_o the_o follow_a reason_n first_o because_o the_o several_a part_n of_o the_o body_n be_v of_o different_o frame_v and_o have_v different_a humour_n lodge_v in_o they_o and_o consequent_o the_o part_n of_o a_o medicine_n disperse_v through_o the_o body_n may_v be_v more_o apt_o appropriate_v to_o be_v receive_v or_o detain_v in_o those_o part_n and_o the_o part_n be_v thus_o strengthen_v may_v be_v more_o able_a to_o resist_v the_o influence_n of_o morbific_a humour_n by_o which_o mean_n they_o be_v throw_v upon_o more_o ignoble_a part_n for_o which_o reason_n some_o person_n be_v seize_v with_o the_o gout_n and_o i_o know_v a_o gentleman_n who_o though_o he_o can_v drink_v wine_n without_o much_o hurt_n yet_o brandy_n will_v cause_v he_o to_o have_v a_o severe_a toothache_n but_o to_o illustrate_v what_o i_o be_v say_v of_o the_o disposition_n of_o some_o part_n of_o medicine_n to_o associate_v themselves_o with_o those_o part_n they_o seem_v friendly_a to_o i_o shall_v add_v that_o in_o nourish_a child_n milk_n do_v not_o only_o afford_v grosser_n faeces_fw-la and_o various_a other_o excrement_n as_o urine_n mucous_a and_o a_o humour_n by_o insensible_a transpiration_n but_o particle_n which_o upon_o their_o be_v assimilate_v increase_v the_o bulk_n of_o the_o body_n and_o whereas_o it_o be_v observe_v that_o some_o cartilage_n in_o child_n acquire_v a_o bony_a hardness_n in_o old_a person_n this_o change_n can_v be_v suppose_v to_o be_v the_o bare_a effect_n of_o exsiccation_n and_o as_o specific_a medicine_n may_v confirm_v the_o strength_n of_o a_o part_n so_o they_o may_v conduce_v to_o the_o restore_v of_o strength_n to_o the_o weak_a part_n by_o remove_v distemper_a humour_n and_o this_o they_o may_v do_v not_o only_o by_o alter_v the_o whole_a mass_n of_o blood_n but_o their_o peculiar_a disposition_n to_o act_v on_o the_o distemper_a humour_n and_o as_o the_o morbific_a matter_n be_v diversify_v according_a the_o disposition_n of_o the_o part_n it_o be_v lodge_v in_o so_o must_v the_o medicine_n be_v specifical_o appropriate_v and_o as_o they_o contribute_v to_o the_o removal_n of_o a_o distemper_a humour_n so_o consequent_o they_o will_v to_o the_o strengthen_n of_o the_o fibre_n of_o those_o part_n either_o by_o give_v they_o a_o firmness_n or_o by_o correct_v their_o immoderate_a heat_n or_o cold_a or_o correct_v the_o humour_n lodge_v in_o the_o pore_n of_o the_o part_n or_o by_o take_v away_o the_o convulsive_a or_o inordinate_a motion_n of_o the_o part_n or_o by_o relax_v or_o otherwise_o alter_v their_o pore_n or_o cause_v the_o matter_n lodge_v there_o to_o be_v expel_v by_o a_o gentle_a or_o violent_a agitation_n as_o when_o cantharides_n cause_v a_o excretion_n of_o urine_n or_o gravel_n by_o irritate_v the_o fibre_n of_o the_o bladder_n and_o the_o effect_n of_o this_o medicine_n alone_o be_v sufficient_a to_o prove_v that_o there_o may_v be_v specific_a medicine_n which_o chief_o respect_v particular_a part_n since_o cantharides_n pass_v through_o the_o body_n without_o affect_v any_o other_o part_n but_o the_o bladder_n and_o though_o at_o the_o first_o a_o medicine_n may_v chief_o respect_v a_o particular_a
the_o open_a air_n and_o it_o be_v relate_v by_o a_o noble_a man_n of_o this_o country_n that_o a_o oak_n be_v dug_n out_o of_o a_o rock_n of_o salt_n be_v so_o hard_o that_o iron_n tool_n can_v scarce_o work_v upon_o it_o yet_o in_o three_o or_o four_o day_n be_v expose_v to_o the_o air_n it_o be_v rot_v and_o it_o have_v be_v observe_v by_o several_a that_o the_o air_n have_v such_o a_o influence_n on_o diaphoretic_a antimony_n that_o if_o it_o be_v long_o expose_v to_o it_o it_o become_v emetic_n from_o which_o observation_n and_o what_o i_o have_v before_o lay_v down_o concern_v quicklime_n the_o air_n seem_v to_o be_v a_o substance_n capable_a of_o be_v assimilate_v by_o every_o body_n principle_n the_o air_n seem_v to_o consist_v of_o all_o sort_n of_o seminal_a principle_n or_o that_o it_o consist_v of_o all_o sort_n of_o seminal_a corpuscle_n so_o that_o any_o body_n may_v find_v a_o substance_n there_o analogous_fw-la to_o it_o and_o fit_a to_o make_v up_o a_o part_n of_o the_o same_o body_n but_o without_o any_o further_a notice_n of_o this_o odd_a surmise_n i_o shall_v subjoin_v the_o follow_a phaenomena_n to_o favour_v my_o suspicion_n the_o first_o be_v that_o though_o the_o juice_n of_o the_o fruit_n of_o the_o tree_n junipa_n which_o the_o indian_n use_v to_o black_a their_o face_n to_o make_v they_o more_o formidable_a to_o their_o enemy_n give_v such_o a_o tincture_n that_o it_o can_v be_v wash_v out_o with_o soap_n yet_o the_o air_n abound_v with_o particle_n of_o such_o a_o nature_n that_o it_o disappear_v in_o ten_o day_n time_n though_o i_o suspect_v that_o it_o in_o a_o great_a measure_n depend_v on_o the_o continual_a excretion_n of_o sweat_n through_o the_o pore_n of_o the_o skin_n 〈…〉_o damascus_n sâ—…_n 〈…〉_o and_o i_o be_o inform_v that_o instrument_n make_v of_o damascus_n steel_n though_o when_o first_o make_v they_o excel_v not_o or_o scarce_o equal_a those_o of_o commoâ—_n 〈◊〉_d yet_o when_o keep_v in_o the_o air_n two_o 〈…〉_o they_o answer_v expectation_n and_o aâ—…_n 〈…〉_o prove_v and_o i_o have_v observe_v that_o 〈…〉_o â—…e_o body_n which_o will_v not_o be_v dissolve_v in_o a_o strong_a menstruum_fw-la nor_o lose_v its_o colour_n by_o fusion_n will_v present_o be_v turn_v black_a if_o expose_v to_o the_o air._n colour_n remarkable_a change_n of_o colour_n it_o be_v observe_v in_o blood_n concrete_v that_o the_o black_a internal_a part_n be_v expose_v to_o the_o contact_n of_o the_o air_n become_v florid_n and_o i_o have_v prepare_v a_o factitious_a concrete_a which_o if_o keep_v to_o the_o fire_n or_o seclude_v from_o the_o air_n will_v be_v of_o a_o red_a colour_n yet_o in_o a_o quarter_n of_o a_o hour_n be_v expose_v to_o the_o air_n it_o will_v turn_v almost_o black_a to_o which_o i_o shall_v add_v that_o a_o inquisitive_a person_n prepare_v a_o medicine_n of_o a_o vegetable_a and_o animal_n substance_n which_o at_o that_o time_n of_o the_o year_n will_v be_v coagulate_v in_o a_o viol_n like_o oil_n of_o aniseed_n but_o if_o unstopped_a and_o expose_v to_o the_o air_n it_o will_v present_o dissolve_v again_o and_o recoagulate_v when_o stop_v up_o again_o the_o consideration_n of_o which_o experiment_n may_v tell_v we_o that_o the_o air_n by_o be_v communicate_v to_o the_o blood_n by_o respiration_n may_v have_v effect_n not_o inconsiderable_a upon_o it_o in_o carry_v off_o its_o fuliginous_a recrement_n to_o what_o have_v hitherto_o be_v deliver_v in_o favour_n of_o our_o suspicion_n it_o may_v be_v add_v that_o there_o be_v anonymous_n substance_n and_o quality_n in_o the_o air_n to_o countenance_v which_o i_o shall_v take_v notice_n of_o those_o various_a and_o odd_a disease_n incident_a both_o to_o man_n and_o beast_n which_o prove_v mortal_a to_o a_o particular_a species_n of_o animal_n and_o in_o particular_a place_n which_o depend_v on_o some_o unknown_a subterraneal_a vapour_n to_o which_o i_o shall_v subjoin_v that_o fernelius_n mention_n a_o plague_n which_o affect_v no_o animal_n but_o cat_n dionysius_n halicarnassus_n take_v notice_n of_o one_o that_o only_o affect_a maid_n whereas_o that_o which_o rage_v in_o the_o time_n of_o gentilis_fw-la seize_v none_o but_o lusty_a man_n and_o bolerus_n give_v we_o a_o account_n of_o another_o which_o only_o affect_v the_o young_a sort_n of_o people_n cardan_n speak_v of_o a_o plague_n at_o brasil_n which_o only_o affect_v the_o swisser_n and_o neither_o the_o italian_n french_a or_o german_n and_o johannes_n vtenhovius_n give_v a_o account_n of_o a_o cruel_a plague_n at_o copenhagen_n which_o only_o rage_v among_o the_o dane_n as_o for_o the_o cause_n of_o these_o disease_n though_o i_o think_v they_o be_v chief_o to_o be_v ascribe_v to_o subterraneal_a effluvium_n yet_o i_o deny_v not_o but_o that_o the_o particular_a constitution_n of_o man_n be_v concern_v in_o they_o nor_o do_v i_o think_v the_o distemper_n already_o mention_v alone_o depend_v on_o such_o steam_n as_o rise_v from_o the_o earth_n but_o the_o sudor_fw-la anglicus_n in_o the_o 15_o century_n the_o scurvy_a and_o the_o morbus_fw-la hungaricus_n the_o lues_fw-la moraviae_n novus_n morbus_fw-la luneburgensis_fw-la and_o some_o other_o in_o the_o last_o century_n say_v consideration_n draw_v from_o what_o have_v be_v say_v and_o now_o if_o from_o what_o have_v be_v say_v our_o suspicion_n concern_v subterraneal_a and_o sidereal_a steam_n may_v seem_v not_o ill_o ground_v they_o may_v lead_v we_o to_o consider_v the_o follow_a particular_n 1._o whether_o those_o effect_n which_o be_v sometime_o think_v to_o depend_v on_o the_o immediate_a wrath_n of_o god_n and_o the_o intercourse_n of_o angel_n may_v not_o arise_v from_o these_o steam_n who_o quality_n be_v probable_o heteroclite_n and_o unknown_a since_o we_o see_v that_o there_o be_v several_a steam_n disperse_v through_o the_o atmosphere_n which_o cause_n it_o to_o raise_v mercury_n in_o a_o baroscope_n which_o can_v be_v no_o otherwise_o discover_v but_o by_o the_o effect_n they_o have_v on_o the_o air_n make_v evident_a by_o that_o instrument_n and_o this_o consideration_n have_v sometime_o make_v i_o suspect_n that_o even_o the_o sunbeam_n may_v cause_v a_o manifest_a gravity_n in_o the_o atmosphere_n beside_o that_o which_o they_o do_v by_o virtue_n of_o their_o heat_n and_o it_o may_v be_v worth_a enquiry_n whether_o some_o spot_n in_o the_o sun_n upon_o their_o dissolution_n may_v not_o be_v disperse_v through_o and_o cause_v some_o considerable_a effect_n in_o our_o atmosphere_n at_o least_o in_o its_o gravity_n 2._o it_o will_v not_o seem_v improbable_a that_o some_o body_n have_v peculiar_a disposition_n to_o be_v associate_v with_o those_o exotic_a principle_n which_o arise_v from_o subterraneal_a part_n or_o be_v transmit_v from_o the_o planet_n upon_o which_o disposition_n or_o the_o contrary_a what_o we_o call_v sympathy_n and_o antipathy_n depend_v by_o virtue_n of_o such_o disposition_n a_o burning-glass_n refract_v the_o sunbeam_n and_o the_o sunbeam_n impart_v a_o lucidness_n to_o the_o bolonian_a stone_n and_o that_o the_o steam_n of_o subterraneal_a body_n will_v act_v on_o some_o body_n and_o not_o on_o other_o we_o have_v give_v sufficient_a proof_n 3._o the_o three_o thing_n which_o may_v be_v suggest_v by_o what_o we_o have_v deliver_v be_v whether_o there_o may_v not_o be_v receptacle_n or_o attractive_n of_o syderial_a and_o other_o exotic_a effluvium_n that_o wander_v up_o and_o down_o the_o air_n such_o as_o be_v magnet_n by_o which_o i_o mean_v not_o such_o a_o body_n that_o can_v attract_v foreign_a effluvia_fw-la but_o such_o a_o one_o as_o can_v detain_v they_o when_o by_o virtue_n of_o their_o various_a motion_n they_o happen_v to_o come_v near_o such_o a_o magnet_n just_o as_o oil_n of_o tartar_n per_fw-la deliquium_fw-la draw_v to_o it_o aqueous_a vapour_n and_o embody_v with_o they_o when_o they_o chance_v in_o their_o passage_n through_o the_o air_n to_o come_v near_o it_o but_o a_o great_a resemblance_n of_o the_o magnet_n may_v be_v allow_v to_o some_o body_n than_o what_o be_v here_o mention_v for_o such_o a_o magnet_n may_v not_o only_o by_o a_o juxta-position_n or_o contact_n detain_v the_o effluvium_n that_o will_v glide_v along_o it_o but_o also_o arrest_v those_o subtle_a part_n of_o matter_n by_o a_o kind_n of_o precipitate_v quality_n and_o so_o it_o may_v fetch_v in_o some_o effluvia_fw-la which_o will_v otherwise_o pass_v by_o it_o on_o which_o occasion_n i_o remember_v that_o in_o some_o case_n i_o have_v be_v able_a to_o give_v some_o body_n electrical_a quality_n without_o exciting_a they_o by_o rub_v etc._n etc._n chap._n xxi_o some_o additional_a experiment_n relate_v to_o suspicion_n about_o the_o hide_a quality_n of_o the_o air._n experiment_n i._n air._n experiment_n relate_v to_o occult_a quality_n of_o the_o air._n have_v pour_v water_n upon_o the_o calx_fw-la of_o dantzick_n vitriol_n part_n of_o it_o soon_o