this_o kind_n that_o come_v to_o my_o knowledge_n i_o shall_v add_v only_o by_o and_o by_o the_o product_n of_o a_o more_o recent_a trial_n 2._o as_o far_o as_o i_o have_v hitherto_o observe_v those_o ferruginous_a water_n that_o be_v not_o heavy_a than_o common_a water_n and_o in_o most_o drinker_n prove_v but_o diuretic_n afford_v but_o very_o little_a caput_n mortuum_n or_o dry_a substance_n upon_o the_o total_a evaporation_n of_o the_o liquor_n whereas_o mineral_n water_n that_o be_v purge_v and_o manifest_o more_o ponderous_a in_o specie_fw-la then_o common_a water_n leave_v upon_o evaporation_n a_o considerable_a quantity_n of_o residence_n tho'_o some_o far_o less_o than_o other_o 3._o at_o once_o to_o explain_v and_o partly_o prove_v what_o i_o have_v be_v say_v i_o shall_v here_o recite_v that_o from_o a_o pound_n of_o barnet_n water_n which_o be_v know_v to_o be_v purgative_a slow_o evaporate_v we_o obtain_v a_o dram_n of_o white_a powder_n but_o from_o the_o like_a quantity_n of_o tunbridge_n water_n we_o obtain_v but_o about_o one_o grain_n of_o caput_n mortuum_n and_o if_o i_o misremember_v not_o we_o have_v but_o about_o a_o grain_n and_o a_o half_a from_o 25._o ounce_n of_o the_o german_a spa_n water_n 4._o it_o may_v seem_v scarce_o credible_a to_o many_o that_o so_o small_a a_o quantity_n of_o matter_n of_o which_o perhaps_o not_o one_o half_a be_v saline_n or_o metalline_a the_o rest_n be_v teresstrial_a shall_v impart_v a_o manifest_a virtue_n to_o so_o great_a a_o proportion_n of_o water_n but_o this_o difficulty_n do_v not_o much_o trouble_v i_o who_o have_v purposely_o make_v divers_a experiment_n to_o discover_v how_o small_a a_o proportion_n of_o mineral_n matter_n may_v suffice_v when_o dissolve_v to_o impregnate_n common_a water_n i_o remember_v i_o take_v one_o grain_n of_o iron_n stone_n casual_o find_v near_o the_o spring_n at_o islington_n from_o which_o mineral_n it_o be_v probable_a those_o water_n derive_v their_o virtue_n this_o be_v open_v by_o the_o fire_n and_o dissolve_v as_o far_o as_o it_o will_v be_v in_o a_o little_a spirit_n of_o salt_n we_o let_v fall_v a_o drop_n or_o two_o of_o the_o yellowish_a solution_n into_o a_o great_a proportion_n of_o infusion_n of_o gall_n to_o which_o it_o present_o give_v a_o deep_a colour_n than_o tunbridge_n water_n or_o even_o the_o german_a spa_n water_n be_v wont_a to_o give_v here_o at_o london_n with_o the_o powder_n of_o gall_n so_o that_o we_o guess_v that_o if_o we_o have_v then_o have_v at_o hand_n a_o competent_a quantity_n of_o the_o infusion_n the_o remain_a part_n of_o the_o martial_a solution_n will_v have_v be_v able_a to_o colour_v ten_o time_n a_o great_a quantity_n of_o the_o infusion_n than_o our_o trial_n be_v make_v upon_o this_o will_v be_v easy_o believe_v by_o he_o that_o shall_v consider_v a_o experiment_n we_o afterward_o make_v to_o the_o same_o purpose_n which_o be_v this_o we_o dissolve_v a_o half_a grain_n of_o a_o good_a marcasite_n take_v up_o not_o far_o from_o london_n in_o a_o small_a quantity_n of_o spirit_n of_o niter_n which_o for_o a_o certain_a reason_n i_o make_v choice_n of_o tho'_o other_o acid_n menstruum_n as_o aquafortis_n and_o spirit_n of_o salt_n will_v have_v dissolve_v the_o mineral_n this_o small_a solution_n we_o put_v into_o a_o pound_n of_o pretty_a high_a tincture_n of_o gall_n make_v by_o infuse_v they_o in_o common_a water_n and_o find_v as_o we_o expect_v that_o this_o mixture_n grow_v very_o dark_a we_o fill_v a_o vial_n with_o it_o and_o empty_v that_o vial_n into_o a_o large_a glass_n we_o fill_v the_o same_o vial_n three_o time_n with_o common_a water_n to_o dilute_v it_o notwithstanding_o which_o this_o new_a mixture_n be_v put_v into_o one_o of_o our_o usual_a glass_n appear_v of_o a_o colour_n much_o deep_a than_o that_o which_o the_o water_n of_o tunbridge_n or_o the_o german_a spa_n have_v former_o give_v with_o the_o powder_n of_o gall_n so_o that_o probable_o if_o another_o vial_n of_o common_a water_n have_v be_v add_v it_o will_v yet_o have_v afford_v a_o purple_a colour_n if_o not_o a_o deep_a so_o that_o one_o part_n of_o dissolve_v marcasite_n communicate_v a_o tincture_n to_o 61440_o sixty_o one_o thousand_o four_o hundred_o and_o forty_o part_n of_o infusion_n of_o gall_n and_o that_o which_o make_v this_o experiment_n more_o considerable_a be_v that_o this_o small_a quantity_n of_o marcasite_n be_v not_o itself_o all_o martial_a or_o metalline_a for_o from_o our_o english_a marcasite_n as_o well_o as_o other_o i_o have_v obtain_v a_o pretty_a quantity_n of_o sulphur_n like_o common_a sulphur_n beside_o that_o they_o afford_v a_o not_o despicable_a quantity_n of_o terrestrial_a substance_n about_o who_o nature_n i_o have_v not_o yet_o satisfy_v myself_o 5._o i_o shall_v now_o add_v this_o reflection_n that_o since_o the_o marcasite_n impregnate_v so_o much_o water_n with_o its_o corporeal_a part_n if_o i_o may_v so_o call_v they_o obtain_v by_o bare_a dissolution_n it_o seem_v high_o probable_a that_o the_o same_o quantity_n of_o liquor_n may_v be_v impregnate_v by_o a_o far_o less_o quantity_n of_o mineral_n matter_n attenuate_v into_o a_o kind_n of_o spirituous_a slate_n by_o be_v raise_v in_o the_o form_n of_o fume_n or_o exhalation_n and_o that_o imperfect_a or_o embryonated_a iron_n may_v be_v so_o will_v scarce_o be_v deny_v by_o they_o that_o consider_v the_o way_n that_o i_o have_v in_o another_o paper_n deliver_v to_o make_v iron_n manifest_o emit_v copious_a fume_n without_o the_o help_n of_o external_a fire_n and_o if_o it_o be_v with_o some_o such_o spirituous_a and_o volatile_a exhalation_n that_o a_o mineral_n water_n as_o that_o of_o tunbridge_n or_o of_o islington_n be_v impregnate_v it_o be_v not_o hard_a to_o conceive_v that_o they_o may_v easy_o lose_v their_o chief_a virtue_n by_o the_o avolation_n of_o most_o or_o many_o of_o their_o fugitive_a part_n upon_o their_o be_v remove_v to_o a_o distance_n from_o the_o spring_n head_n and_o to_o make_v it_o probable_a that_o vitriolate_a corpuscle_n may_v be_v make_v to_o ascend_v without_o lose_v their_o nature_n i_o shall_v here_o mention_v a_o experiment_n that_o i_o devise_v to_o give_v some_o light_n in_o this_o matter_n i_o have_v often_o find_v by_o trial_n that_o a_o spirit_n rich_o impregnate_v with_o volatilise_v sulphur_n will_v with_o vitriol_n whether_o in_o the_o form_n of_o a_o powder_n or_o a_o solution_n produce_v in_o a_o trice_n a_o very_a dark_a or_o blackish_a colour_n and_o guess_v that_o in_o mercury_n turn_v by_o the_o addition_n of_o salt_n and_o vitriol_n into_o corrosive_a sublimate_n many_o of_o the_o vitriolate_a corpuscle_n may_v ascend_v with_o the_o mercurial_a one_o i_o take_v such_o a_o volatile_a sulphureous_a tincture_n as_o i_o have_v be_v mention_v which_o for_o this_o purpose_n ought_v to_o be_v deep_a and_o have_v drop_v it_o upon_o good_a sublimate_n i_o find_v it_o turn_v present_o of_o a_o very_a opacous_a colour_n to_o show_v also_o that_o to_o make_v a_o great_a dilatation_n or_o dispersion_n of_o the_o martial_a corpuscle_n of_o a_o ore_n or_o mineral_n there_o need_v no_o spirit_n of_o salt_n or_o the_o like_a distil_a menstruum_fw-la i_o procure_v from_o a_o copperas-work_n or_o place_n where_o vitriol_n be_v make_v by_o art_n some_o of_o the_o liquor_n they_o employ_v before_o they_o cast_v in_o iron_n that_o be_v corrode_v by_o it_o it_o may_v increase_v the_o weight_n and_o give_v solidity_n and_o some_o other_o quality_n to_o the_o design_a vitriol_n now_o thó_n this_o liquor_n be_v make_v without_o any_o chemical_a menstruum_fw-la bare_o by_o rain_n or_o snow-water_n that_o impregnate_v itself_o with_o saline_n or_o metalline_a particle_n in_o its_o passage_n through_o bed_n of_o marcasite_n that_o lie_v expose_v to_o the_o sun_n and_o air_n yet_o in_o this_o water_n such_o number_n of_o martial_a corpuscle_n be_v disperse_v that_o have_v shake_v four_o drop_n of_o it_o into_o 12_o ounce_n and_o a_o half_a of_o common_a water_n this_o liquor_n as_o i_o expect_v be_v thereby_o so_o impregnate_v that_o with_o powder_n of_o gall_n it_o present_o produce_v as_o deep_a a_o colour_n as_o good_a tunbridge_n water_n will_v have_v do_v so_o that_o suppose_v a_o drop_n of_o this_o liquor_n to_o weigh_v about_o a_o grain_n as_o by_o some_o trial_n purposely_o make_v we_o find_v it_o to_o do_v it_o appear_v that_o one_o part_n of_o the_o vitriolate_a water_n be_v able_a manifest_o to_o impregnate_n 1500_o part_n of_o common_a water_n and_o yet_o of_o these_o 4_o drop_n or_o grain_n of_o vitriolate_a liquor_n a_o considerable_a part_n may_v very_o probable_o be_v conclude_v from_o the_o way_n of_o its_o production_n to_o have_v be_v rain_n water_n as_o will_v easy_o be_v grant_v when_o i_o shall_v have_v add_v that_o to_o examine_v this_o supposition_n or_o
as_o i_o have_v be_v inform_v by_o those_o that_o drink_v of_o it_o whilst_o it_o the_o mine_n be_v work_v be_v now_o strike_v out_o that_o be_v the_o vein_n of_o ore_n be_v degenerate_v or_o lose_v however_o i_o believe_v experiment_n may_v yet_o be_v make_v with_o water_n much_o of_o the_o same_o nature_n thus_o far_o he_o from_o who_o notwithstanding_o the_o remoteness_n of_o the_o place_n he_o live_v in_o i_o hope_v to_o get_v some_o of_o this_o liquor_n to_o make_v trial_n of_o which_o if_o i_o do_v i_o design_v you_o a_o account_n of_o the_o effect_n i_o can_v enlarge_v upon_o the_o subject_n of_o these_o two_o last_n the_o 8_o and_o the_o 9th_o number_n but_o after_o so_o long_a a_o introduction_n to_o short_a memoir_n it_o be_v high_a time_n that_o i_o come_v at_o length_n to_o set_v down_o the_o topic_n themselves_o that_o i_o design_n to_o propose_v sect_n ii_o title_n for_o the_o natural_a history_n of_o a_o mineral_n water_n propose_v consider_v as_o be_v yet_o in_o its_o channel_n or_o receptacle_n be_v the_o first_o or_o mineralogical_a part_n of_o the_o design_a work_n he_o that_o will_v draw_v up_o the_o history_n of_o a_o mineral_n water_n to_o have_v its_o quality_n some_o examine_v and_o some_o investigate_v shall_v in_o my_o opinion_n make_v three_o sort_n of_o observation_n about_o it_o for_o first_o he_o ought_v to_o take_v notice_n of_o those_o particular_n that_o relate_v to_o it_o whilst_o it_o be_v yet_o under_o ground_n or_o in_o its_o native_a receptacle_n next_o he_o be_v to_o examine_v the_o property_n and_o other_o quality_n of_o it_o when_o it_o be_v draw_v up_o by_o man_n at_o the_o springhead_n or_o other_o receptacle_n last_o he_o be_v to_o consider_v the_o operation_n and_o effect_n of_o it_o upon_o humane_a body_n whether_o sick_a or_o sound_a according_a to_o the_o several_a way_n and_o circumstance_n make_v use_v of_o in_o administer_a it_o to_o the_o first_o of_o these_o three_o sort_n of_o observation_n may_v be_v refer_v such_o head_n or_o title_n as_o these_o 1._o in_o what_o climate_n and_o parallel_n or_o in_o what_o degree_n of_o latitude_n the_o mineral_n water_n do_v spring_n up_o or_o stagnate_n 2._o whether_o the_o springhead_n or_o other_o receptacle_n do_v chief_o regard_v the_o east_n the_o west_n the_o north_n or_o the_o south_n 3._o whether_o the_o water_n be_v find_v in_o a_o plain_a or_o valley_n and_o if_o not_o whether_o it_o arise_v in_o a_o hillock_n a_o hill_n or_o a_o mountain_n 4._o and_o whether_o it_o be_v find_v at_o or_o near_o the_o top_n the_o middle_a or_o the_o bottom_n of_o the_o rise_a ground_n 5._o whether_o the_o water_n leave_v any_o secrement_n or_o other_o unusual_a substance_n upon_o the_o stone_n or_o other_o body_n that_o lie_v in_o the_o channel_n they_o pass_v through_o as_o they_o glide_v along_o or_o the_o receptacle_n that_o contain_v they_o 6._o whether_o there_o be_v beneath_o or_o near_o the_o medicinal_a water_n any_o subterraneal_a fire_n that_o have_v manifest_a chimney_n or_o vent_n and_o visible_o by_o night_n only_o or_o also_o by_o day_n burn_v or_o smoke_v either_o constant_o or_o at_o certain_a period_n of_o time_n 7._o whether_o at_o or_o near_o the_o mouth_n or_o orifice_n of_o the_o abovementioned_a chimney_n or_o vent_n there_o be_v find_v either_o flower_n of_o brimstone_n or_o a_o salt_n like_o sal-armoniac_a or_o some_o other_o mineral_n exhalation_n in_o a_o dry_a form_n 8._o whether_o there_o be_v under_o or_o near_o the_o course_n or_o channel_n of_o the_o water_n any_o subterraneal_a aestuary_n or_o latent_fw-la mass_n of_o hot_a but_o not_o actual_o or_o at_o least_o visible_o burn_a matter_n and_o whether_o such_o aestuary_n afford_v a_o uniform_a heat_n as_o to_o sense_n or_o have_v periodical_a hot_a fit_n as_o it_o be_v and_o if_o so_o whether_o these_o come_v at_o certain_a and_o state_v time_n or_o uncertain_o or_o irregular_o 9_o whether_o it_o be_v observe_v that_o over_o the_o aestuary_n or_o in_o some_o other_o neighbour_a part_n of_o the_o place_n where_o the_o mineral_n water_n spring_v there_o arise_v any_o visible_a mineral_n fume_n on_o smoke_n which_o when_o they_o do_v appear_v be_v wont_a to_o do_v it_o early_o in_o the_o morning_n or_o late_o in_o the_o evening_n and_o if_o such_o fume_n ascend_v how_o plentiful_a they_o be_v of_o what_o colour_n and_o of_o what_o smell_n 10._o what_o be_v the_o more_o obvious_a nature_n of_o the_o not_o manifest_o metalline_a nor_o marcasitical_a part_n of_o the_o soil_n which_o the_o medicinal_a water_n pass_v through_o or_o touch_n and_o what_o be_v the_o quality_n of_o the_o neighbour_a soil_n and_o the_o adjacent_a country_n as_o whether_o it_o be_v rocky_a stony_a clayish_a sandy_a chalky_a etc._n etc._n 11._o whether_o there_o be_v any_o oar_n marcasite_n or_o earth_n especial_o high_o colour_v one_o impregnate_v with_o mineral_n juice_n to_o be_v meet_v with_o in_o the_o course_n of_o the_o medicinal_a spring_n or_o in_o the_o receptacle_n of_o the_o same_o water_n stagnant_a and_o what_o these_o mineral_n be_v whether_o copperish_v ferrugineous_a marcasitical_a etc._n etc._n and_o whether_o the_o oar_n do_v or_o do_v not_o abound_v in_o the_o metalline_a portion_n as_o also_o with_o what_o other_o ingredient_n as_o spar_v calk_v sulphur_n orpiment_n arsenic_n &c_n &c_n whether_o innocent_a or_o hurtful_a they_o be_v mingle_v or_o else_o compact_v together_o 12._o whether_o it_o can_v be_v discover_v that_o the_o spring_n of_o the_o medicinal_a water_n be_v common_a water_n before_o it_o come_v to_o such_o a_o place_n or_o part_n of_o the_o soil_n it_o run_v through_o &_o there_o begin_v to_o be_v manifest_o impregnate_v with_o mineral_n body_n 13._o and_o whether_o in_o this_o case_n it_o make_v any_o effervescence_n or_o other_o conflict_n with_o the_o mineral_n it_o imbibe_v or_o with_o any_o other_o water_n or_o liquor_n that_o it_o meet_v with_o in_o its_o way_n and_o whether_o the_o conflict_n produce_v any_o manifest_a heat_n or_o no_o 14._o whether_o if_o the_o mineral_n water_n propose_v be_v manifest_o hot_a or_o extraordinary_o cold_a the_o spring_v it_o flow_v out_o at_o or_o the_o receptacle_n it_o stagnate_v in_o have_v near_o it_o and_o if_o it_o have_v how_o near_o a_o spring_n or_o well_o of_o water_n of_o a_o contrary_a quality_n as_o it_o be_v observe_v in_o very_a neighbour_a spring_n in_o some_o few_o place_n of_o france_n and_o elsewhere_o 15._o whether_o when_o the_o water_n appear_v in_o the_o spring_n or_o receptacle_n there_o appear_v also_o either_o float_v at_o the_o top_n or_o lie_v at_o the_o bottom_n or_o swim_v between_o both_o any_o drop_n or_o great_a quantity_n of_o oil_n like_a naphta_n or_o petroleum_n or_o some_o other_o bituminous_a &_o inflammable_a substance_n 16._o whether_o the_o water_n be_v considerable_o alter_v in_o quantity_n or_o quality_n bythe_o different_a season_n of_o the_o year_n as_o summer_n winter_n etc._n etc._n by_o the_o much_o vary_a temperature_n of_o the_o air_n as_o to_o heat_n coldness_n drought_n etc._n etc._n by_o the_o plenty_n or_o paucity_n frequency_n or_o unfrequency_n of_o fall_a rain_n or_o snow_n and_o what_o may_v be_v the_o bound_n and_o measure_n of_o these_o alteration_n of_o the_o mineral_n water_n 17._o whether_o any_o thing_n considerable_a can_v be_v certain_o discover_v or_o any_o very_a probable_a conjecture_n make_v of_o the_o nature_n and_o quality_n of_o the_o substance_n that_o impregnate_n the_o water_n by_o chemical_o and_o mechanical_o examine_v the_o mineral_n earth_n through_o which_o it_o flow_v or_o in_o which_o it_o stagnate_v and_o particular_o by_o observe_v their_o colour_n whether_o native_a or_o acquire_v by_o be_v keep_v in_o the_o fire_n their_o specific_a gravity_n their_o afford_v or_o not_o afford_v any_o salt_n or_o other_o soluble_a substance_n by_o decoction_n their_o be_v soluble_a or_o indissoluble_a in_o particular_a chemical_a menstruum_n of_o several_a sort_n as_o aqua_fw-la fortis_fw-la spirit_n of_o salt_n etc._n etc._n and_o their_o be_v commit_v to_o distillation_n in_o vessel_n of_o differ_v sort_n and_o various_a degree_n of_o fire_n with_o care_n to_o receive_v separately_z the_o differ_a substance_n they_o afford_v whether_o in_o the_o form_n of_o liquor_n or_o of_o flower_n and_o by_o examine_v these_o substance_n by_o fit_a and_o proper_a way_n as_o also_o the_o cap._n mort._n by_o calcination_n elixiviation_n and_o if_o it_o will_v bear_v such_o a_o fire_n vitrification_n sect_n iii_o title_n for_o the_o natural_a history_n of_o a_o mineral_n water_n propose_v consider_v as_o be_v draw_v out_o of_o its_o spring_n or_o receptacle_n be_v the_o ii_o or_o physico_fw-la chemical_a part_n of_o the_o design_a work_n that_o this_o scheme_n of_o title_n may_v be_v the_o better_o understand_v and_o the_o more_o instructive_a and_o useful_a though_o
i_o have_v not_o time_n to_o write_v a_o ample_a come_v mean_v upon_o it_o all_o yet_o i_o think_v fit_a to_o illustrate_v most_o of_o its_o particular_a article_n by_o such_o note_n as_o may_v either_o explicate_v the_o meaning_n of_o what_o be_v but_o brief_o couch_v or_o deliver_v some_o of_o the_o practical_a way_n of_o trial_n that_o i_o make_v use_n of_o on_o occasion_n of_o the_o subject_a mention_v in_o the_o title_n or_o article_n whereto_o the_o note_n belong_v these_o be_v divers_a of_o they_o too_o large_a to_o be_v convenient_o place_v the_o margin_n be_v all_o of_o they_o set_v down_o together_o after_o this_o sett_n of_o title_n title_n 1._o of_o the_o actual_a coldness_n or_o heat_n of_o the_o mineral_n water_n propose_v 2._o of_o the_o specific_a gravity_n of_o the_o mineral_n water_n propose_v 3._o of_o the_o transparency_n the_o muddiness_n or_o the_o opacity_n of_o the_o mineral_n water_n 4._o whether_o the_o mineral_n water_n will_v by_o slade_v for_o a_o competent_a time_n let_v fall_n of_o itself_o any_o ochre_n or_o other_o earthy_a substance_n especial_o though_o the_o liquor_n be_v keep_v from_o the_o air._n 5._o whether_o any_o thing_n and_o if_o any_o thing_n what_o can_v be_v discover_v in_o the_o mineral_n water_n by_o the_o help_n of_o the_o best_a microscope_n adapt_v to_o view_v liquor_n 6._o of_o the_o colour_n or_o colourne_v of_o the_o mineral_n water_n 7._o of_o the_o odour_n of_o the_o mineral_n water_n as_o acetous_a winy_a sulphureous_a bituminous_a etc._n etc._n 8._o of_o the_o taste_n of_o the_o mineral_n water_n as_o acid_n ferruginous_a vitriolate_a lixivial_a sulphureous_a etc._n etc._n 9_o whether_o any_o change_n will_v be_v produce_v in_o the_o transparency_n colour_n odour_n or_o taste_v of_o the_o mineral_n water_n by_o its_o be_v take_v up_o at_o the_o springhead_n or_o other_o receptacle_n or_o remove_v to_o some_o distance_n by_o its_o be_v keep_v stop_v or_o unstopped_a for_o a_o great_a or_o lesser_a space_n of_o time_n and_o by_o its_o being_n much_o warm_v or_o refrigerated_a and_o also_o by_o natural_o or_o artificial_o produce_v cold_a turn_v into_o ice_n and_o thaw_v again_o 10._o of_o the_o thinness_n or_o viscosity_n of_o the_o mineral_n water_n 11._o whether_o the_o mineral_n water_n be_v more_o easy_a to_o be_v heat_v and_o cool_v and_o to_o be_v dilate_v and_o condense_v than_o common_a water_n 12._o whether_o the_o mineral_n water_n will_v of_o itself_o putrify_v and_o if_o it_o will_v whether_o soon_o or_o late_a than_o common_a water_n and_o with_o what_o kind_n or_o degree_n of_o stink_n and_o other_o phaenomena_n 13._o of_o the_o change_n of_o colour_n producible_a in_o the_o mineral_n water_n by_o astringent_a drug_n as_o gall_n pomgranate-peels_a balaustium_fw-la red_a rose_n myrobolan_n oakenleaves_n etc._n etc._n as_o also_o by_o some_o liquor_n or_o juice_n of_o the_o body_n 14._o whether_o any_o thing_n will_v be_v precipitate_v out_o of_o the_o mineral_n water_n by_o salt_n or_o saline_n liquor_n whether_o they_o be_v acid_n as_o spirit_n of_o salt_n of_o niter_n aqua_fw-la fortis_fw-la etc._n etc._n or_o volatile_a alcali_n as_o strong_a spirit_n of_o urine_n sal-armoniac_a etc._n etc._n or_o lixiviate_v salt_n as_o oil_n of_o tartar_n per_fw-la deliquium_fw-la fix_v niter_n etc._n etc._n 15._o how_o to_o examine_v with_o evaporation_n whether_o the_o mineral_n water_n contain_v common_a salt_n and_o if_o it_o do_v whether_o it_o contain_v but_o little_a or_o much_o 16._o how_o to_o examine_v without_o evaporation_n whether_o the_o mineral_n water_n have_v any_o acidity_n though_o it_o be_v but_o very_o little_a 17._o of_o the_o liquor_n or_o liquor_n afford_v by_o the_o mineral_n water_n by_o distillation_n in_o balneo_fw-la and_o other_o way_n 18._o of_o the_o residence_n cap._n mort._n of_o the_o mineral_n water_n when_o the_o liquor_n be_v total_o evaporate_v or_o distil_v off_o and_o whether_o the_o cap._n mort._n be_v the_o same_o in_o quantity_n and_o quality_n if_o produce_v by_o either_o of_o those_o way_n 19_o whether_o the_o propose_a water_n be_v in_o glass-vessel_n exact_o lute_v together_o slow_o and_o wary_o abstract_v to_o a_o thickish_a substance_n this_o be_v reconjoin_v to_o the_o distil_a liquor_n the_o mineral_n water_n will_v be_v redintegrate_v and_o have_v again_o the_o same_o texture_n and_o quality_n it_o have_v at_o first_o 20._o whether_o a_o glass-full_a of_o the_o mineral_n water_n be_v hermetical_o seal_v and_o boil_v in_o common_a water_n deep_a enough_o to_o keep_v it_o always_o cover_v will_v have_v its_o texture_n so_o alter_v as_o to_o suffer_v a_o observable_a change_n in_o any_o of_o its_o manifest_a quality_n and_o if_o it_o do_v in_o what_o quality_n and_o to_o what_o degree_n of_o alteration_n 21._o of_o the_o proportion_n of_o the_o dry_a cap._n mort._n to_o the_o mineral_n water_n that_o afford_v it_o 22._o of_o the_o division_n of_o the_o cap._n mort._n into_o saline_n and_o terrestrial_a and_o other_o part_n not_o dissoluble_a in_o water_n in_o case_n it_o contain_v both_o or_o more_o sort_n 23._o of_o the_o proportion_n of_o the_o saline_n part_n of_o the_o cap._n mort._n to_o the_o terrestrial_a 24._o of_o the_o fixity_n or_o volatility_n of_o the_o saline_n part_n in_o strong_a fire_n 25._o whether_o the_o saline_n part_n will_v shoot_v into_o crystal_n or_o no_o and_o if_o it_o will_v what_o figure_n the_o grain_n will_v be_v of_o and_o if_o it_o will_v not_o whither_o be_v combine_v with_o a_o salt_n that_o will_v as_o purify_v sea-salt_n peter_n &c._n &c._n it_o will_v then_o crystallise_v and_o if_o it_o do_v into_o what_o figure_n it_o will_v shoot_v especial_o if_o any_o of_o they_o be_v reducible_a to_o those_o of_o any_o species_n of_o salt_n know_v to_o we_o 26._o to_o examine_v whether_o the_o saline_n part_n be_v ex_fw-la praedominio_fw-la acid_n alcalizate_a or_o adiaphorous_a 27._o of_o the_o observables_n in_o the_o terestrial_a portion_n of_o the_o cap._n mort._n as_o beside_o its_o quantity_n in_o reference_n to_o the_o saline_n its_o colour_n odour_n volatility_n or_o fixity_n in_o a_o strong_a fire_n it_o be_v be_v soluble_a or_o not_o dissoluble_a by_o divers_a menstruum_n as_o spirit_n of_o vinegar_n spirit_n of_o urine_n oil_n of_o tartar_n etc._n etc._n 28._o whether_o and_o if_o any_o thing_n how_o much_o the_o mineral_n water_n earth_n lose_v by_o strong_a and_o last_a ignition_n what_o change_v of_o colour_n etc._n etc._n it_o thereby_o receive_v whether_o it_o be_v capable_a of_o vitrification_n pierce_v and_o what_o colour_n if_o any_o it_o will_v impart_v to_o fine_a and_o well_o powder_v venice_n glass_n if_o they_o be_v exact_o mix_v and_o flux_v into_o a_o transparent_a glass_n 29._o of_o the_o oeconomical_a and_o mechanical_a use_n of_o the_o mineral_n water_n as_o in_o brew_v bake_v wash_v of_o linen_n tan_v of_o leather_n or_o die_v of_o cloth_n callico_n silk_n &c_n &c_n as_o these_o may_v assist_v in_o discover_v the_o ingredient_n and_o quality_n of_o the_o liquor_n propose_v 30._o of_o the_o imitation_n of_o natural_a medicinal_a water_n by_o chemical_a and_o other_o artificial_a way_n as_o that_o may_v help_v the_o physician_n to_o guess_v at_o the_o quality_n and_o quantity_n of_o the_o ingredient_n that_o impregnate_n the_o natural_a water_n propose_v a_o appendix_n contain_v 1._o paralipomena_fw-la or_o thing_n direct_o belong_v to_o the_o history_n and_o pretermit_v in_o it_o 2._o a_o chaos_n of_o observation_n and_o experiment_n remote_o or_o indirect_o referable_a either_o to_o one_o or_o more_o of_o the_o forego_n title_n or_o to_o the_o common_a subject_n of_o they_o all_o sect_n iv._o experimental_a remark_n upon_o the_o usual_a way_n of_o examine_v mineral_n water_n by_o the_o help_n of_o gall_n deliver_v by_o way_n of_o large_a annotation_n upon_o the_o xiii_o article_n of_o the_o ii_o part._n since_o the_o change_n of_o colour_n that_o mineral_n water_n produce_v in_o the_o infusion_n or_o tincture_n of_o gall_n be_v the_o most_o usual_a way_n that_o many_o physician_n and_o the_o almost_o only_o that_o some_o of_o they_o endeavour_v to_o discover_v or_o examine_v mineral_n water_n by_o it_o may_v be_v worth_a while_n in_o this_o place_n to_o set_v down_o some_o remark_n that_o i_o have_v make_v about_o this_o way_n of_o probation_n &_o the_o rather_o because_o it_o may_v mutatis_fw-la mutandis_fw-la be_v not_o unuseful_o apply_v to_o the_o explore_v the_o quality_n of_o mineral_n water_n by_o coloration_n though_o make_v with_o other_o material_n than_o gall_n first_o than_o it_o may_v be_v observe_v that_o one_o need_v not_o make_v a_o infusion_n or_o tncture_n of_o gall_n in_o common_a water_n to_o try_v if_o by_o their_o mean_n a_o new_a colour_n will_v be_v produce_v for_o i_o be_o wont_a to_o beat_v they_o to_o powder_n and_o keep_v they_o in_o a_o glass_n not_o too_o
compare_v together_o i_o also_o practise_v another_o way_n somewhat_o differ_v from_o this_o as_o the_o main_a part_n of_o which_o we_o prepare_v white_a paper_n by_o rub_v well_o upon_o it_o with_o a_o hare_n foot_n or_o some_o such_o thing_n some_o idoneous_a powder_n especial_o that_o of_o vitriol_n whereof_o for_o this_o purpose_n english_a seem_v the_o best_a light_o calcine_v in_o a_o gentle_a heat_n till_o it_o become_v of_o a_o grayish_a colour_n and_o friable_a between_o the_o finger_n by_o this_o mean_n it_o be_v easy_a to_o make_v the_o paper_n fit_a for_o our_o turn_n for_o the_o fine_a part_n have_v lodge_v themselves_o in_o its_o pore_n without_o much_o discolour_n it_o when_o the_o supersluous_a dust_n be_v strike_v off_o it_o become_v capable_a of_o afford_v a_o variety_n of_o colour_n or_o rather_o shade_n some_o deep_a and_o some_o faint_a when_o i_o let_v fall_n on_o it_o some_o drop_n of_o differ_v martial_a liquor_n but_o of_o the_o examen_fw-la of_o the_o materia_fw-la medica_fw-la by_o the_o change_n of_o colour_n produce_v in_o it_o or_o by_o it_o more_o be_v say_v in_o another_o paper_n and_o therefore_o instead_o of_o transfer_v that_o hither_o i_o shall_v here_o brief_o intimate_v that_o divers_a variation_n of_o colour_n may_v be_v make_v either_o by_o infuse_v or_o otherwise_o mix_v as_o i_o have_v sometime_o do_v something_o in_o the_o mineral_n water_n before_o the_o ting_a stuff_n be_v put_v to_o it_o or_o by_o put_v somewhat_o in_o the_o infusion_n or_o powder_n of_o gall_n before_o it_o be_v mix_v with_o the_o mineral_n water_n or_o else_o by_o drop_v fit_a liquor_n such_o as_o spirit_n of_o salt_n first_o and_o then_o spirit_n of_o urine_n or_o oil_n of_o tartar_n into_o the_o blackish_a or_o purple_a mixture_n of_o gall_n and_o the_o medicinal_a water_n to_o be_v examine_v for_o by_o these_o mean_v diverse_a variation_n of_o colour_n may_v be_v observe_v which_o together_o with_o some_o other_o way_n that_o i_o have_v make_v use_n of_o to_o multiply_v they_o i_o have_v not_o now_o leisure_n to_o set_v down_o 3._o it_o be_v not_o convenient_a to_o confine_v one_o self_n to_o the_o use_n either_o of_o gall_n or_o oaken_a leave_n but_o to_o make_v use_n also_o of_o red_a rose_n balaustium_fw-la log-wood_n brasil_n and_o other_o astringent_a vegetable_a pigment_n for_o though_o some_o of_o these_o give_v a_o deep_a tincture_n than_o gall_n yet_o by_o the_o diversity_n of_o colour_n produce_v by_o they_o in_o mineral_n water_n a_o attentive_a beholder_n may_v as_o be_v late_o intimate_v where_o i_o mention_v diversity_n of_o light_n and_o shade_n discover_v some_o thing_n that_o he_o will_v not_o be_v inform_v of_o or_o receive_v any_o hint_n of_o by_o the_o help_n of_o gall_n of_o oaken_a leave_n alone_o nay_o i_o will_v not_o have_v our_o experimenter_n employ_v none_o but_o vegetable_a substance_n about_o his_o coloration_n but_o sometime_o make_v use_n of_o animal_n one_o and_o more_o often_o of_o mineral_n since_o by_o this_o mean_v he_o may_v much_o diversify_v his_o trial_n and_o increase_v the_o number_n of_o phaenomena_n some_o of_o which_o he_o may_v probable_o find_v instructive_a beside_o astringent_a plant_n i_o have_v find_v and_o sometime_o devise_v other_o substance_n that_o will_v turn_v black_a as_o well_o as_o gall_n with_o vitriolated_a water_n and_o that_o not_o only_o with_o those_o that_o be_v rich_o impregnate_v with_o iron_n but_o also_o with_o those_o wherein_o copper_n alone_o abound_v as_o in_o roman_a vitriol_n and_o though_o for_o certain_a reason_n i_o must_v not_o now_o set_v down_o a_o way_n i_o have_v to_o discover_v in_o a_o trice_n both_o these_o vitriol_n without_o any_o liquor_n or_o tangible_a body_n yet_o i_o shall_v subjoin_v as_o a_o kind_n of_o succedaneum_n that_o may_v suffice_v for_o the_o present_a occasion_n the_o way_n of_o make_v a_o liquor_n that_o will_v present_o turn_v black_a with_o a_o solution_n either_o of_o martial_a or_o cupreous_a vitriol_n take_v equal_a part_n of_o pure_a salt_n of_o tartar_n and_o either_o flower_n of_o sulphur_n or_o at_o least_o sulphur_n fine_o powder_v and_o good_a sal-armoniac_a reduce_v the_o first_o and_o the_o last_o to_o powder_v separately_z melt_v the_o sulphur_n over_o a_o gentle_a fire_n and_o by_o degree_n put_v to_o it_o the_o salt_n of_o tartar_n stir_v they_o well_o to_o make_v they_o incorporate_v and_o grow_v red_a or_o red_a then_o put_v this_o mixture_n pulverise_v into_o a_o glass_n retort_n or_o a_o cucurbite_n and_o pour_v on_o it_o the_o sal-armoniac_a dissolve_v in_o fair_a water_n and_o close_v well_o the_o juncture_n distil_v all_o in_o sand_n by_o degree_n of_o a_o moderate_a fire_n shift_v the_o receiver_n once_o or_o twice_o because_o the_o liquor_n will_v be_v differ_o tinged_a and_o strong_a and_o that_o which_o ascend_v last_o may_v bring_v over_o but_o very_o little_a of_o the_o sulphur_n who_o volatile_a tincture_n be_v yet_o the_o main_a thing_n we_o aim_v at_o in_o this_o operation_n 4._o i_o do_v not_o despair_v but_o that_o he_o who_o be_v able_a to_o make_v a_o skilful_a use_n of_o the_o several_a drug_n and_o other_o body_n vegetable_a animal_n and_o mineral_n that_o may_v produce_v new_a colour_n in_o or_o with_o mineral_n water_n or_o in_o some_o case_n with_o the_o substance_n that_o impregnate_n they_o may_v by_o their_o mean_n be_v also_o enable_v to_o discover_v the_o presence_n or_o inexistence_n of_o divers_a other_o mineral_n some_o of_o they_o salubrious_a or_o at_o least_o safe_a and_o some_o other_o either_o hurtful_a or_o at_o least_o dangerous_a that_o be_v not_o take_v notice_n of_o by_o those_o that_o content_n themselves_o to_o employ_v gall_n and_o oaken_a leave_n in_o the_o exploration_n of_o the_o water_n they_o examine_v for_o some_o of_o these_o liquor_n contain_v salt_n that_o have_v not_o corrode_v either_o martial_a or_o cupreous_a oar_n or_o marcasite_n do_v not_o betray_v themselves_o by_o produce_v either_o a_o inky_a or_o a_o faint_a degree_n of_o blackness_n or_o else_o a_o purple_a with_o the_o drug_n make_v use_v of_o to_o change_v their_o colour_n ofthese_fw-mi salt_n i_o have_v meet_v with_o more_o than_o one_o sort_n which_o may_v be_v more_o proper_o take_v notice_n of_o when_o we_o consider_v the_o mineral_n water_n and_o its_o content_n 12._o i_o think_v it_o likewise_o very_o possible_a that_o industrious_a man_n shall_v find_v way_n to_o discover_v by_o the_o help_n of_o the_o change_n of_o colour_n whether_o orpiment_n or_o native_a arsenic_n or_o the_o like_a poisonous_a mineral_n do_v so_o impregnate_n the_o water_n propose_v as_o to_o make_v it_o very_o hurtful_a or_o dangerous_a tho'_o not_o absolute_o pernicious_a and_o as_o for_o sulphur_n there_o may_v be_v several_a water_n that_o partake_v of_o it_o without_o be_v take_v notice_n of_o to_o do_v so_o for_o i_o remember_v that_o i_o have_v sometime_o purposely_o make_v a_o liquor_n that_o be_v limpid_a and_o colourless_a like_o spring_n water_n and_o which_o will_v total_o fly_v up_o even_o with_o a_o gentle_a heat_n and_o yet_o this_o liquor_n be_v rich_o impregnate_v with_o a_o mineral_n sulphur_n as_o i_o convince_v several_a virtuoso_n by_o manifest_a and_o ocular_a proof_n so_o that_o if_o sulphur_n chance_v to_o be_v combine_v with_o any_o salt_n or_o mineral_n of_o those_o many_o subterraneal_a one_o that_o nature_n have_v hide_v from_o we_o that_o can_v suppress_v or_o disguise_v its_o peculiar_a odour_n the_o water_n may_v be_v considerable_o and_o yet_o unobserved_o impregnate_v with_o it_o and_o yet_o it_o be_v like_o this_o may_v easy_o be_v discover_v by_o the_o change_n of_o colour_n producible_a in_o such_o a_o sulphureous_a liquor_n by_o vitriolate_a body_n and_o other_o appropriate_a additament_n which_o may_v be_v think_v the_o more_o probable_a because_o tho'_o the_o spirit_n late_o describe_v be_v very_o transparent_a and_o total_o volatile_a in_o the_o form_n of_o a_o liquor_n sometime_o pale_a enough_o yet_o common_a english_a vitriol_n as_o also_o that_o of_o danzick_n which_o be_v venereal_a will_v present_o turn_v it_o of_o a_o black_a or_o very_o dark_a colour_n and_o to_o add_v here_o something_o more_o difficult_a to_o be_v perform_v i_o have_v devise_v a_o way_n which_o range_v i_o elsewhere_o deliver_v whereby_o it_o may_v appear_v that_o even_a copper_n that_o have_v be_v melt_v into_o a_o body_n may_v be_v so_o subtilise_v and_o disguise_v as_o to_o have_v a_o multitude_n of_o its_o metalline_a part_n make_v to_o ascend_v with_o other_o in_o the_o form_n of_o a_o transparent_a liquor_n like_o common_a water_n and_o yet_o by_o put_v to_o it_o a_o little_a of_o another_o substance_n as_o volatile_a and_o colourless_a as_o itself_o it_o will_v present_o disclose_v the_o copper_n it_o contain_v by_o turn_v blue_a as_o a_o saphire_n 13._o because_o arsenic_n be_v
remember_v i_o have_v yet_o meet_v with_o any_o wherein_o a_o alcaly_a be_v predominant_a 4._o but_o perhaps_o far_o inquiry_n will_v discover_v to_o other_o here_o in_o england_n what_o i_o have_v not_o yet_o meet_v with_o and_o i_o doubt_v not_o but_o that_o there_o be_v in_o divers_a place_n of_o the_o earth_n salt_n of_o a_o alcalisate_n nature_n and_o i_o presume_v that_o if_o the_o egyptian_n be_v any_o thing_n curious_a of_o such_o thing_n they_o will_v find_v among_o their_o spring_n or_o well_n divers_a water_n impregnate_v with_o they_o for_o i_o find_v by_o trial_n purposely_o make_v upon_o latron_n as_o some_o know_a man_n call_v the_o true_a egyptian_a niter_n present_v i_o by_o a_o inquisitive_a ambassador_n who_o come_v out_o of_o the_o east_n that_o the_o native_a salt_n exhibit_v divers_a of_o the_o same_o phaenomena_n that_o other_o factitious_a alcali_n do_v and_o some_o salt_n afford_v by_o the_o famous_a water_n of_o bourbon_n in_o france_n be_v bring_v i_o thence_o with_o a_o desire_n that_o i_o will_v examine_v it_o i_o find_v it_o to_o be_v evident_o alcalisate_n insomuch_o that_o it_o will_v make_v a_o conflict_n with_o acid_n and_o present_o turn_v syrup_n of_o violet_n green_a 5._o if_o we_o suspect_v vitriol_n to_o be_v much_o predominant_a in_o the_o saline_n part_n of_o a_o mineral_n water_n we_o may_v endeavour_v to_o discover_v it_o by_o such_o way_n as_o these_o by_o its_o blacken_n a_o solution_n of_o gall_n by_o its_o vomitive_a operation_n upon_o the_o drinker_n tho'_o this_o may_v sometime_o be_v a_o uncertain_a way_n especial_o because_o a_o invisible_a permixture_n of_o arsenic_n or_o or_o perhaps_o arsenical_a fume_n may_v give_v the_o water_n they_o impregnate_n a_o emetic_n quality_n by_o put_v alcali_n to_o a_o strong_a solution_n of_o the_o suppose_a vitriol_n and_o observe_v whether_o it_o will_v afford_v a_o yellow_a or_o yellowish_a precipitate_v if_o salt_n of_o tartar_n or_o spirit_n of_o urine_n be_v drop_v into_o it_o by_o take_v notice_n whether_o a_o sulphureous_a spirit_n especial_o such_o a_o one_o as_o i_o former_o tell_v i_o have_v make_v tho'_o not_o here_o describe_v will_v make_v a_o blackish_a or_o a_o very_a dark_a colour_n with_o it_o as_o i_o first_o guess_v and_o then_o find_v it_o will_v do_v with_o several_a vitriolate_a liquor_n and_o even_o with_o one_o to_o make_v which_o we_o have_v dissolve_v but_o one_o grain_n of_o a_o natural_a vitriolate_a substance_n in_o above_o four_o or_o five_o thousand_o time_n its_o weight_n of_o syrup_n or_o water_n but_o in_o the_o part_n about_o london_n i_o remember_v not_o that_o in_o any_o of_o the_o water_n i_o have_v make_v trial_n on_o i_o have_v find_v vitriol_n to_o be_v predominant_a or_o to_o be_v so_o much_o as_o a_o manifest_a ingredient_n which_o seem_v to_o i_o the_o more_o remarkable_a because_o several_a part_n about_o this_o city_n be_v not_o destitute_a of_o marcasite_n the_o parent_n or_o womb_n of_o vitriol_n since_o the_o write_n of_o these_o paper_n be_v casual_o visit_v by_o a_o discern_a stranger_n who_o have_v a_o particular_a occasion_n to_o take_v notice_n of_o the_o residence_n of_o many_o of_o the_o mineral_n water_n of_o france_n his_o native_a country_n he_o answer_v i_o that_o he_o never_o meet_v with_o any_o that_o be_v manifest_o vitriolate_v and_o he_o seem_v to_o be_v of_o opinion_n that_o no_o vitriolate_a spring_n have_v yet_o be_v discover_v among_o the_o many_o mineral_n one_o that_o be_v know_v to_o be_v in_o that_o country_n 7._o since_o we_o so_o rare_o meet_v with_o either_o manifest_o acid_n or_o evident_o alcalisate_n salt_n in_o our_o english_a mineral_n water_n it_o may_v deserve_v a_o serious_a inquiry_n what_o other_o salt_n they_o may_v be_v impregnate_v with_o and_o especial_o from_o what_o salt_n the_o purgative_n virtue_n that_o be_v find_v to_o belong_v to_o many_o of_o they_o as_o epsom_n barnet_n acton_n etc._n etc._n do_v proceed_v common_a salt_n indeed_o as_o be_v already_o note_v i_o have_v find_v token_n of_o in_o the_o german_a spa_n water_n and_o in_o all_o the_o english_a mineral_n water_n i_o have_v occasion_n to_o try_v not_o one_o that_o i_o remember_v except_v but_o i_o do_v not_o find_v that_o common_a salt_n be_v so_o copious_a in_o any_o of_o they_o as_o to_o disclose_v it_o self_n by_o chrystallize_a in_o cubical_a grain_n and_o the_o way_n i_o make_v use_v of_o to_o examine_v the_o saltness_n of_o the_o water_n without_o crystallization_n be_v not_o equal_o certain_a in_o all_o sort_n of_o they_o and_o because_o i_o have_v not_o store_n enough_o of_o these_o liquor_n to_o evaporate_v they_o in_o large_a quantity_n tho'_o i_o can_v not_o discern_v in_o the_o clear_a salt_n they_o afford_v either_o vitriol_n or_o salt_n peter_n or_o allom_n or_o even_o common_a salt_n by_o their_o peculiar_a and_o genuine_a figure_n yet_o i_o dare_v not_o confident_o say_v that_o none_o of_o our_o english_a mineral_n spring_n abound_v with_o any_o of_o those_o salt_n but_o as_o far_o as_o i_o can_v guess_v by_o the_o trial_n that_o i_o have_v hitherto_o have_v opportunity_n to_o make_v i_o be_o apt_a to_o think_v that_o the_o salt_n that_o be_v find_v in_o our_o purgative_n water_n and_o and_o in_o some_o of_o they_o copious_o enough_o do_v not_o belong_v to_o any_o one_o know_a sort_n of_o salt_n but_o be_v either_o of_o a_o sort_n for_o which_o as_o for_o many_o other_o mineral_n we_o have_v yet_o no_o name_n or_o which_o seem_v more_o probable_a be_v a_o salt_n of_o a_o compound_a nature_n make_v up_o by_o the_o coalition_n of_o some_o or_o all_o of_o the_o salt_n above_o mention_v and_o perhaps_o of_o some_o other_o as_o yet_o nameless_a subterraneal_a salt_n that_o the_o spring_n inssolve_v in_o its_o passage_n that_o two_o body_n which_o be_v neither_o of_o they_o cathartic_a may_v by_o a_o change_n of_o texture_n wrought_v in_o one_o another_o compose_v a_o three_o body_n that_o be_v brisk_o purgative_a i_o have_v show_v in_o another_o paper_n beside_o have_v former_o have_v occasion_n in_o order_n to_o the_o resolution_n of_o a_o certain_a doubt_n i_o have_v entertain_v to_o burn_v salt_n of_o tartar_n with_o about_o a_o double_a weight_n of_o common_a sulphur_n i_o thence_o obtain_v as_o i_o expect_v a_o neutral_a salt_n that_o have_v peculiar_a quality_n differ_v from_o those_o of_o the_o body_n employ_v to_o make_v it_o up_o and_o talk_v of_o this_o salt_n with_o a_o ingenious_a empiric_n he_o tell_v i_o it_o have_v a_o quality_n i_o have_v not_o mention_v and_o that_o a_o very_a useful_a one_o since_o in_o the_o dose_n of_o half_a a_o dram_n or_o in_o some_o body_n be_v take_v in_o wine_n or_o broth_n it_o will_v considerable_o and_o yet_o gentle_o and_o without_o gripe_n purge_v and_o without_o the_o help_n of_o salt_n of_o tartar_n have_v sometime_o make_v out_o of_o common_a sulphur_n a_o crystalline_a salt_n of_o a_o somewhat_o vitriolate_a taste_n the_o like_a to_o which_o may_v possible_o be_v make_v under_o ground_n where_o there_o be_v subterraneal_a fire_n though_o perhaps_o not_o observe_v nor_o suspect_v since_o we_o make_v this_o salt_n without_o add_v any_o thing_n to_o the_o sulphur_n only_o by_o the_o help_n of_o fire_n and_o common_a water_n and_o i_o remember_v that_o a_o great_a virtuoso_fw-la several_a year_n ago_o bring_v i_o in_o order_n to_o a_o examen_fw-la he_o desire_v i_o shall_v make_v of_o it_o a_o certain_a salt_n afford_v by_o a_o spring_n in_o or_o near_o his_o land_n which_o i_o remember_v be_v in_o the_o west_n of_o england_n though_o i_o have_v forget_v the_o name_n of_o the_o county_n which_o salt_n no_o body_n know_v what_o to_o make_v of_o but_o i_o quick_o tell_v he_o i_o take_v it_o to_o be_v of_o the_o nature_n of_o the_o sal_fw-la mirabile_fw-la glauberi_fw-la and_o predict_v that_o in_o such_o trial_n it_o will_v afford_v such_o and_o such_o phaenomena_n which_o according_o come_v to_o pass_v and_o i_o think_v that_o if_o opportunity_n have_v not_o be_v want_v this_o salt_n will_v have_v appear_v purgative_n as_o some_o factitious_a salt_n that_o resemble_v it_o in_o transparency_n colourlesness_n and_o figure_n have_v be_v observe_v to_o be_v note_n on_o the_o twenty_o seven_o title_n 1._o it_o be_v surprise_v to_o observe_v how_o great_a a_o inequality_n one_o may_v sometime_o meet_v with_o in_o the_o proportion_n that_o the_o same_o quantity_n of_o two_o differ_v mineral_n water_n bear_v to_o the_o caput_fw-la mortuum_n they_o respective_o afford_v for_o a_o pound_n for_o instance_n of_o one_o may_v after_o evaporation_n leave_v behind_o it_o perhaps_o more_o dram_n of_o dry_a substance_n than_o a_o pound_n of_o the_o other_o will_v leave_v behind_o it_o grain_n but_o because_o i_o have_v no_o note_n of_o the_o considerabl_a instance_n of_o