cap._n 5._o part_n 2._o dug_n in_o marle_n pit_n these_o be_v less_o transparent_a and_o as_o a_o species_n of_o gypsum_fw-la may_v be_v call_v selenites_n gypseus_fw-la to_o the_o second_o sort_n which_o i_o take_v only_o to_o be_v the_o proper_a selenites_n belong_v those_o of_o these_o purge_v well_n this_o distinction_n i_o think_v necessary_a to_o be_v observe_v for_o though_o i_o be_o inclinable_a to_o believe_v that_o the_o water_n wherein_o the_o other_o be_v find_v may_v purge_v yet_o the_o selenites_n as_o they_o be_v relate_v to_o another_o sort_n of_o stone_n and_o have_v some_o variety_n in_o the_o matrix_fw-la may_v vary_v reasonable_o enough_o in_o their_o quality_n as_o the_o talceus_fw-la be_v produce_v at_o a_o stone-quarry_n the_o water_n can_v scarce_o be_v suppose_v to_o want_v the_o coldness_n or_o hardness_n such_o quarry_n be_v wont_a to_o communicate_v and_o so_o of_o the_o rest_n the_o origine_fw-la of_o the_o salt_n of_o these_o water_n appear_v most_o evident_o in_o the_o salt_n of_o this_o species_n or_o sort_n of_o they_o which_o i_o shall_v therefore_o inquire_v into_o by_o examine_v the_o reason_n of_o their_o production_n and_o compare_v with_o the_o salt_n that_o be_v near_a in_o resemblance_n the_o salt_n contain_v in_o the_o water_n which_o i_o call_v selenitical_a have_v these_o quality_n or_o property_n peculiar_a to_o they_o to_o be_v soft_a and_o melt_v in_o the_o warmth_n of_o a_o hand_n to_o be_v unfigure_v and_o â—ret_v the_o part_n of_o excretion_n beside_o the_o middle_a nature_n of_o it_o and_o its_o be_v void_a of_o corrosiveness_n which_o be_v common_a to_o the_o other_o sort_n in_o its_o softness_n and_o fluxilness_n nature_n and_o manner_n of_o production_n it_o exact_o resemble_v the_o salt_n that_o damp_n cellar_n produce_v and_o be_v fix_v in_o the_o middle_n to_o cobweb_n be_v the_o steam_n of_o the_o earth_n and_o more_o liquid_a part_n of_o what_o be_v extract_v from_o it_o and_o flow_v in_o the_o moist_a air_n there_o condense_v and_o no_o know_a salt_n in_o nature_n have_v the_o quality_n of_o run_v in_o so_o easy_a a_o heat_n beside_o the_o selenitical_a but_o that_o and_o as_o this_o confirm_v its_o original_a so_o the_o reason_n it_o further_o comply_v with_o this_o account_n for_o this_o soft_a salt_n in_o these_o well_n be_v the_o flow_a part_n of_o the_o matter_n produce_v in_o they_o the_o more_o solid_a particle_n and_o figurable_a be_v detain_v at_o the_o loam_n and_o employ_v in_o form_v the_o selenites_n now_o that_o the_o limestone_n which_o be_v concern_v in_o this_o production_n natural_o effect_n this_o separation_n by_o shoot_v the_o more_o dense_a part_n be_v evident_a in_o the_o use_n of_o it_o to_o precipitate_v metalline_a part_n but_o more_o plain_o in_o boil_a sugar_n the_o slacken_a quality_n of_o this_o chalky_a or_o limy_a salt_n i_o hint_v before_o to_o agree_v with_o the_o earth_n of_o these_o well_n and_o it_o be_v to_o be_v note_v that_o the_o salt_n of_o the_o selenitical_a be_v according_o more_o uniform_a not_o so_o thickening_a with_o gall_n nor_o vary_v so_o much_o towards_o nitre_z and_o vitriol_n as_o the_o other_o do_v but_o near_o the_o spirit_n so_o i_o conclude_v the_o salt_n of_o these_o purge_v water_n of_o a_o middle_a nature_n between_o nitre_z and_o vitriol_n and_o form_v out_o of_o the_o loam_n by_o the_o help_n of_o a_o vitrioline_n juice_n or_o liquid_a salt_n and_o collect_v in_o moist_a cavity_n the_o trial_n of_o the_o stone_n the_o stone_n which_o i_o have_v before_o describe_v and_o be_v common_a to_o all_o the_o well_n have_v when_o break_v the_o loam_n harden_v and_o be_v invest_v with_o a_o gypsum_fw-la or_o trichitis_n richmond_n stone_n be_v of_o a_o light_a colour_n and_o pale_a near_o a_o ash-colour_n not_o divide_v by_o the_o gypsum_fw-la but_o coated_a with_o it_o some_o ferrugineous_a stain_n be_v in_o one_o piece_n in_o the_o air_n weigh_v two_o ounce_n and_o 50_o grain_n on_o the_o water_n one_o ounce_n two_o dram_fw-la and_o 26_o grain_n epsam_fw-la a_o more_o lax_n stone_n like_o a_o harden_a clod_n incrusted_a with_o a_o grey_a chalky_a coat_n which_o acid_v wrought_v on_o with_o ebullition_n but_o do_v not_o slack_a in_o the_o water_n weigh_v in_o the_o air_n two_o ounce_n and_o 47_o grain_n in_o the_o water_n one_o ounce_n one_o dram_n and_o 26_o grain_n dulwich_n a_o dark_a stone_n and_o very_o hard_a as_o flint_n and_o incline_v to_o a_o greenish_a in_o the_o body_n of_o it_o in_o several_a place_n and_o the_o cellulae_fw-la small_a than_o woodham-ferrys_a or_o harwich_n or_o any_o yet_o observe_v by_o i_o where_o not_o greenish_a it_o have_v many_o sparkle_n of_o shine_a small_a particle_n and_o when_o beat_v fine_a be_v white_a than_o any_o in_o the_o air_n two_o ounce_n and_o 47_o grain_n in_o the_o water_n one_o ounce_n two_o dram_fw-la and_o 39_o grain_n and_o a_o half_a woodham-ferrys_a cell_n as_o the_o former_a but_o large_a the_o body_n oft_o greenish_a where_o expose_v to_o the_o air_n else_o loam-like_a but_o the_o gypsum_fw-la seem_v to_o have_v penetrate_v the_o body_n of_o the_o stone_n in_o the_o air_n two_o ounce_n and_o 46_o grain_n and_o a_o half_a in_o the_o water_n one_o ounce_n two_o dram_fw-la and_o 17_o grain_n common_a loam_n in_o the_o air_n weigh_v two_o ounce_n and_o 49_o grain_n in_o the_o water_n one_o ounce_n and_o 67_o grain_n chalk_n in_o the_o air_n two_o ounce_n and_o 47_o grain_n and_o in_o the_o water_n one_o ounce_n one_o dram_n and_o one_o scruple_n beside_o four_o or_o five_o grain_n lose_v by_o its_o slacken_n the_o salt_n extract_v from_o the_o stone_n they_o all_o smell_v lixiviat_v in_o boil_v richmond_n stone_n lixivium_n with_o lignum_fw-la nephriticum_fw-la take_v the_o colour_n of_o rhenish_n or_o white-wine_n or_o near_o a_o buff-colour_n with_o tincture_n of_o logwood_n a_o red_a tawnyish_a gall_o a_o faint_a tincture_n of_o red_a but_o clear_a turnsole_n liquor_n sharpen_v with_o spirit_n of_o vitriol_n it_o brighten_v the_o red_a a_o little_a oil_n of_o tartar_n per_fw-la deliquium_fw-la no_o alteration_n but_o do_v not_o ready_o mix_v the_o lie_n of_o the_o roast_a richmond_n stone_n with_o tincture_n of_o logwood_n brighten_v the_o red_a high_o than_o pump-water_n with_o turnsole_n preserve_v the_o red._n with_o gall_n a_o high_a lemmon_n colour_n and_o clear_v lignum_fw-la nephriticum_fw-la clear_a and_o not_o colour_v as_o spirit_n of_o vitriol_n do_v oil_n of_o tartar_n p._n d._n thick_a large_a curdle_n the_o lie_n exceed_v not_o pump_n or_o common_a water_n in_o weight_n aqua_fw-la fortis_fw-la wrought_v violent_o on_o this_o stone_n but_o extract_v no_o tincture_n but_o jellyed_a but_o not_o so_o firm_o as_o the_o other_o no_o precipitation_n can_v be_v obtain_v from_o the_o jelly_n no_o efflorescence_n when_o mix_v with_o common_a salt_n and_o expose_v to_o the_o air_n some_o time_n as_o mineral_n body_n do_v dulwich_n raw_a stone_n lixivium_n remain_v thickish_a 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have_v the_o cold_a taste_n of_o saltpetre_n but_o with_o a_o sweetness_n the_o bottom_n have_v three_o sort_n some_o be_v flat_a broad_a and_o grain_v like_o common_a salt_n and_o some_o soft_a like_o epsam_fw-la which_o have_v flake_n in_o it_o four_o scruple_n of_o salt_n have_v about_o eighteen_o grain_n of_o earth_n the_o earth_n and_o flake_n be_v white_a and_o clearish_a they_o burn_v white_a and_o distil_v vinegar_n wrought_v on_o it_o but_o do_v not_o take_v up_o any_o considerable_a quantity_n of_o it_o the_o purge_v chalybeat_a water_n of_o scarbourgh_n in_o yorkshire_n scarbourgh_n water_n be_v chalybeat_a and_o purge_v it_o have_v qualification_n of_o a_o purge_v water_n the_o salt_n of_o it_o be_v figure_v approach_v to_o a_o nitre_n and_o which_o be_v real_o nitrous_a and_o the_o earth_n over_o the_o spring_n show_v the_o nitrous_a efflorescence_n that_o at_o other_o purge_v water_n be_v a_o index_n of_o the_o earth_n whence_o the_o salt_n be_v derive_v as_o chalybeat_v it_o be_v a_o run_a spring_n and_o proceed_v from_o a_o gravel_n and_o expose_v to_o the_o air_n some_o day_n lose_v its_o power_n of_o make_v a_o black_a with_o gall_n the_o salt_n remain_v being_n pure_o nitrous_a it_o have_v the_o virtue_n of_o both_o water_n and_o be_v sufficient_o celebrate_v by_o the_o frequenter_n of_o it_o and_o i_o hence_o conclude_v it_o to_o be_v either_o two_o water_n join_v or_o a_o chalybeat_a water_n wash_v a_o nitrous_a vault_n the_o spring_n be_v upon_o the_o seashore_n and_o flow_v from_o or_o near_o a_o alum_n i_o it_o be_v observable_a that_o other_o spring_n that_o flow_v over_o alum_n mine_n here_o in_o england_n yet_o differ_v not_o the_o least_o from_o common_a water_n the_o black_a slaty_n stone_n not_o yield_v the_o least_o aluminous_a taste_n before_o ustion_n i_o shall_v clear_v it_o from_o partake_v of_o alum_n or_o sea-salt_n by_o trial_n which_o will_v confirm_v my_o account_n of_o the_o other_o water_n since_o it_o be_v clear_a of_o participate_v any_o thing_n with_o the_o mine_n over_o which_o it_o run_v and_o the_o mine_n will_v probable_o discover_v any_o other_o mineral_n join_v if_o such_o there_o be_v and_o the_o same_o nitrous_a earth_n here_o sound_a that_o be_v common_a to_o the_o other_o make_v this_o more_o plain_a the_o proportion_n the_o nature_n of_o this_o salt_n bear_v to_o the_o nitre_n of_o common_a water_n and_o true_a nitre_z be_v discoverable_a by_o the_o quantity_n of_o time_n the_o water_n retain_v its_o ink-making_a quality_n alkaly_n and_o so_o the_o true_a nitre_n of_o the_o ancient_n precipitate_v their_o dirty_a black_a present_o the_o 〈◊〉_d be_v examine_v at_o the_o spring_n at_o my_o direction_n by_o the_o accurate_a hand_n of_o my_o worthy_a friend_n and_o ingenious_a gentleman_n mr._n edward_n carter_n of_o scarbourgh_n in_o who_o own_o word_n i_o shall_v deliver_v their_o trial_n of_o they_o only_o add_v to_o each_o a_o corollary_n of_o the_o use_n i_o make_v of_o they_o quest._n 1._o what_o colour_n nutgall_n give_v it_o and_o whether_o turbid_v or_o clear_a answ._n a_o grain_n of_o gall_n strew_v upon_o the_o surface_n of_o eight_o or_o ten_o ounce_n of_o the_o water_n do_v without_o any_o far_o mix_v immediate_o strike_v a_o deep_a red_a purple_a colour_n which_o present_o become_v turbid_v if_o you_o let_v the_o same_o stand_v all_o night_n the_o water_n will_v in_o a_o manner_n recover_v its_o pristine_a clearness_n and_o a_o powder_n of_o the_o colour_n of_o colcothar_n will_v precipitate_v to_o the_o bottom_n in_o a_o large_a quantity_n or_o if_o a_o few_o drop_n of_o spirit_n or_o oil_n of_o vitriol_n be_v instill_a into_o the_o foresay_a tincture_n it_o will_v present_o be_v clear_a as_o at_o first_o without_o the_o precipitation_n of_o any_o powder_n the_o red_a purple_n be_v effect_v by_o alkalisate_n part_v unite_v to_o the_o acid_n distil_a acid_n to_o the_o like_a but_o that_o the_o salt_n of_o this_o water_n be_v nitrous_a be_v observable_a in_o its_o turbidness_n but_o chief_o in_o the_o precipitation_n of_o the_o colour_n upon_o stand_v which_o precipitation_n spirit_n of_o vitriol_n prevent_v though_o it_o destroy_v the_o colour_n quest._n 2._o have_v the_o water_n any_o scum_n or_o bituminous_a film_n answ._n when_o it_o stagnate_v in_o any_o place_n or_o stand_v a_o few_o hour_n in_o a_o open_a glass_n there_o be_v a_o azure_a colour_a bituminous_a film_n or_o scum_n upon_o it_o and_o if_o the_o same_o be_v expose_v to_o the_o air_n for_o about_o a_o week_n there_o be_v one_o rise_v up_o much_o like_a that_o which_o swim_v upon_o limewater_n the_o first_o be_v common_a to_o chalybeat_v water_n which_o appear_v upon_o the_o separation_n of_o the_o nitrous_a and_o vitrioline_n part_n by_o the_o air_n but_o the_o latter_a a_o peculiar_a of_o the_o salt_n which_o be_v not_o calcarious_a i_o judge_v to_o be_v of_o such_o a_o quality_n as_o comply_v with_o the_o corruption_n of_o the_o water_n so_o far_o as_o to_o suffer_v its_o grosser_n part_n to_o be_v throw_v up_o which_o limewater_n do_v by_o the_o motion_n of_o its_o own_o active_a salt_n so_o far_o it_o differ_v from_o those_o of_o the_o nature_n of_o common_a salt_n which_o preserve_v liquor_n weal_n water_n have_v the_o same_o disposition_n quest._n 3._o what_o colour_v the_o water_n keep_v three_o day_n in_o a_o open_a glass_n will_v take_v with_o nutgall_n turbid_v or_o clear_v answ._n gall_n give_v it_o a_o colour_n then_o much_o as_o before_o yet_o something_o more_o remiss_a but_o if_o it_o stand_v long_o as_o about_o a_o week_n they_o cause_v no_o such_o alteration_n change_v it_o only_o into_o a_o milky_a colour_n like_o barley_n water_n as_o salt_n of_o common_a earth_n do_v which_o be_v not_o alkalisate_n quest._n 4._o what_o colour_n with_o syrup_n of_o violet_n answ._n a_o light_n green_n which_o may_v be_v turn_v into_o a_o red_a purple_a by_o add_v some_o spirit_n or_o oil_n of_o vitriol_n to_o these_o remark_n i_o have_v add_v some_o which_o perhaps_o may_v not_o be_v unacceptable_a touch_v the_o quantity_n of_o salt_n and_o stone_n powder_v contain_v in_o those_o water_n its_o taste_n odour_n and_o figure_n when_o christallize_v according_a to_o my_o near_a computation_n it_o have_v about_o a_o ounce_n in_o four_o gallon_n and_o almost_o as_o much_o of_o the_o stone_n powder_n which_o be_v of_o the_o colour_n of_o sand_n make_v use_v of_o in_o hour-glass_n i_o never_o can_v discover_v any_o of_o the_o blue_a clay_n which_o some_o pretend_v to_o have_v find_v the_o salt_n have_v a_o very_a remarkable_a bitterness_n and_o when_o new_o make_v a_o strong_a sulphurous_a smell_n the_o crystal_n be_v very_o clear_a and_o transparent_a comprehend_v under_o eight_o plain_n two_o of_o which_o be_v sexangular_a and_o the_o other_o six_o be_v rectangular_a parallellogram_n which_o be_v dispose_v
same_o abstemious_a live_n with_o exercise_n aught_o to_o be_v continue_v for_o two_o month_n in_o which_o time_n the_o body_n may_v be_v suppose_v to_o be_v a_o little_a confirm_v and_o for_o the_o same_o reason_n though_o some_o distemper_n as_o stone_n jaundice_n and_o melancholy_a particular_o may_v require_v some_o other_o intention_n to_o be_v satisfy_v and_o so_o make_v a_o course_n of_o physic_n necessary_a at_o the_o same_o time_n yet_o the_o use_n 〈◊〉_d the_o water_n be_v so_o much_o the_o less_o beneficial_a by_o how_o much_o it_o be_v disturb_v by_o purge_v or_o any_o other_o medicine_n and_o therefore_o reason_n and_o experience_n place_v this_o mean_n last_o but_o in_o apoplexy_n and_o some_o watery_a distemper_n as_o dropsy_n and_o chlorosis_n a_o astringent_a more_o potent_a be_v very_o necessary_a to_o close_v and_o strengthen_v the_o part_n the_o most_o proper_a and_o powerful_a of_o this_o kind_n i_o intimate_v above_o to_o be_v the_o ens_fw-la veneris_fw-la of_o mr._n boyle_n which_o if_o it_o succeed_v the_o water_n as_o the_o other_o detersives_n and_o purger_n be_v to_o precede_v make_v a_o entire_a course_n in_o the_o surprise_v distemper_n that_o i_o there_o apply_v it_o to_o and_o in_o the_o room_n of_o it_o i_o have_v sometime_o use_v chalybs_fw-la preparat_fw-la with_o equal_a success_n if_o the_o apoplectic_a symptom_n be_v mild_a these_o water_n as_o they_o suffer_v by_o warm_v so_o be_v apt_a to_o bring_v some_o disorder_n especial_o in_o a_o ill_a season_n or_o constitution_n as_o cold_a nauseousness_n difficulty_n of_o urine_n and_o giddiness_n which_o be_v usual_o provide_v against_o by_o drink_v a_o glass_n of_o wine_n after_o every_o three_o or_o four_o glass_n of_o water_n for_o the_o first_o few_o morning_n but_o because_o the_o two_o last_o symptom_n do_v sometime_o prove_v more_o considerable_o obstinate_a i_o shall_v take_v notice_n that_o it_o be_v good_a for_o those_o that_o be_v obnoxious_a to_o cephalic_a disease_n 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