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Word A Word B Word C Word D Occurrence Frequency Band MI MI Band Prominent
water_n fire_n put_v sugar_n 3,579 5 10.5805 5 false
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ID Title Author Corrected Date of Publication (TCP Date of Publication) STC Words Pages
A43083 The art of glass shewing how to make all sorts of glass, crystal and enamel : likewise the making of pearls, precious stones, china and looking-glasses : to which is added, the method of painting on glass and enameling : also how to extract the colours from minerals, metals, herbs and flowers ... : illustrated with proper sculptures / written originally in French, by Mr. H. Blancourt, and now first translated into English ; with an appendix, containing exact instructions for making glass-eyes of all colours.; De l'art de la verrerie. English Haudicquer de Blancourt, Jean, b. ca. 1650. 1699 (1699) Wing H1150; ESTC R16918 164,019 334

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reason_n of_o their_o smallness_n but_o give_v a_o very_a fine_a colour_n the_o same_o may_v be_v do_v with_o ruby_n sapphire_n and_o other_o precious_a stone_n as_o chemist_n well_o know_v if_o i_o shall_v treat_v of_o all_o those_o colour_n in_o this_o tract_n it_o will_v make_v it_o half_o as_o big_a again_o as_o i_o design_v it_o and_o will_v be_v too_o prolix_a for_o our_o present_a purpose_n what_o we_o have_v show_v already_o be_v sufficient_a to_o make_v very_o fine_a work_n chap._n cx_o to_o make_v sulphur_n saturni_n to_o be_v use_v in_o past_z for_o all_o artificial_a gem_n isaac_n hollandus_n have_v so_o well_o show_v we_o the_o way_n to_o imitate_v the_o colour_n of_o all_o precious_a stone_n that_o i_o can_v pass_v by_o in_o silence_n this_o follow_a method_n of_o his_o extract_v from_o his_o work_n as_o it_o be_v not_o common_a nor_o his_o book_n see_v by_o every_o one_o and_o that_o there_o may_v be_v some_o that_o can_v understand_v he_o we_o think_v the_o reader_n 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leaf_n those_o be_v not_o serviceable_a by_o reason_n they_o be_v burn_v in_o the_o calcination_n chap._n xxxi_o another_o way_n of_o calcine_v these_o leaf_n of_o copper_n to_o make_v a_o very_a transparent_a red_a yellow_a and_o chalcedony_n take_v the_o same_o leave_v as_o in_o the_o precedent_n chap._n cut_v they_o into_o small_a piece_n and_o stratifie_v they_o with_o sulphur_n pulverise_v in_o a_o crucible_n cover_v and_o lute_v then_o set_v they_o on_o burn_a coal_n at_o the_o mouth_n of_o the_o oven_n to_o calcine_v for_o twenty_o four_o hour_n then_o take_v it_o out_o and_o grind_v it_o small_a then_o put_v it_o in_o a_o earthen_a vessel_n in_o a_o reverberatory_n furnace_n where_o leave_v it_o 10_o hour_n take_v it_o out_o and_o powder_v it_o then_o keep_v it_o for_o use_n chap._n xxxii_o to_o calcine_v copper_n to_o a_o red_a powder_n which_o serve_v in_o several_a process_n for_o colour_v glass_n although_o copper_n be_v of_o the_o same_o nature_n as_o brass_n which_o serve_v to_o colour_n glass_n blue_a yet_o there_o be_v some_o difference_n between_o they_o for_o the_o latter_a will_n thing_fw-mi it_o of_o several_a colour_n which_o proceed_v from_o the_o lapis_fw-la calaminaris_n and_o some_o other_o mixture_n in_o the_o preparation_n to_o make_v this_o powder_n take_v what_o quantity_n you_o please_v of_o copper_n in_o thin_a plate_n put_v it_o into_o a_o great_a crucible_n into_o the_o furnace_n till_o it_o be_v calcine_v without_o melt_v then_o be_v cool_v reduce_v it_o into_o powder_n which_o will_v be_v very_o red_a and_o searce_v it_o whereof_o you_o may_v make_v divers_a use_n as_o we_o shall_v show_v hereafter_o chap._n xxxiii_o to_o make_v copper_n thrice_o calcine_v for_o colour_v glass_n the_o same_o red_a powder_n in_o the_o precede_a chapter_n
it_o yet_o a_o quarter_n of_o a_o hour_n over_o the_o same_o fire_n then_o decant_v off_o that_o lee_n to_o the_o former_a thus_o continue_v to_o water_v it_o with_o fresh_a lee_n and_o decant_v it_o off_o to_o the_o former_a as_o long_o as_o it_o will_v extract_v any_o tincture_n from_o the_o matter_n then_o take_v all_o these_o tinctured_a lees_n and_o filter_n they_o through_o white_v brown_a paper_n then_o evaporate_v three_o quarter_n over_o a_o gentle_a fire_n and_o put_v the_o remainder_n into_o a_o alembick_a with_o the_o helm_n or_o head_n on_o and_o the_o receiver_n and_o distil_v it_o till_o it_o be_v dry_a then_o you_o will_v find_v at_o bottom_n of_o the_o alembick_a a_o crocus_n veneris_n of_o a_o very_a wonderful_a virtue_n for_o colour_v glass_n and_o other_o chemical_a operation_n and_o some_o medicinal_a uses_n chap._n xxxviii_o another_o way_n more_o easy_a to_o make_v crocus_n veneris_fw-la as_o those_o who_o apply_v themselves_o to_o this_o art_n be_v not_o all_o equal_o curious_a in_o their_o work_n and_o good_a husbandry_n be_v in_o fashion_n in_o this_o age_n we_o will_v show_v some_o more_o easy_a way_n and_o more_o ready_a to_o make_v crocus_n veneris_n whereof_o this_o be_v one_o take_v very_o thin_a plate_n of_o copper_n put_v they_o into_o a_o earthen_a pot_n with_o common_a salt_n s._n s._n s._n and_o put_v this_o pot_n on_o the_o furnace_n where_o let_v it_o stand_v till_o the_o matter_n be_v very_o red_a then_o put_v the_o plate_n with_o the_o salt_n into_o cold_a water_n and_o wash_v they_o well_o to_o take_v away_o all_o blackness_n reiterate_v the_o stratification_n of_o these_o plate_n with_o common_a salt_n calcine_v they_o at_o the_o fire_n and_o wash_v they_o as_o before_o as_o often_o as_o you_o please_v after_o the_o last_o time_n pour_v warm_a water_n on_o that_o where_o the_o plate_n have_v be_v extinguish_v and_o then_o let_v it_o stand_v still_o some_o time_n then_o empty_v it_o and_o you_o will_v find_v at_o the_o bottom_n of_o the_o vessel_n a_o crocus_n veneris_n red_a as_o blood_n you_o must_v wash_v it_o well_o several_a time_n to_o cleanse_v it_o then_o dry_v it_o well_o with_o a_o linen_n cloth_n and_o keep_v it_o for_o use_v to_o colour_v glass_n there_o be_v some_o who_o content_v themselves_o to_o take_v ae_z ustum_fw-la prepare_v with_o sulphur_n and_o common_a salt_n as_o we_o have_v show_v heretofore_o and_o to_o heat_v it_o red-hot_a in_o the_o fire_n nine_o time_n and_o quench_v it_o as_o often_o in_o linseed_n oil_n then_o dry_v it_o and_o powder_n it_o chap._n thirty-nine_o another_o easy_a way_n of_o make_v crocus_n veneris_fw-la we_o now_o give_v another_o easy_a way_n of_o make_v crocus_n veneris_fw-la take_v of_o copper_n simple_o calcine_v one_o part_n of_o sulphur_n vivum_fw-la eight_o part_n well_o powder_v mix_v they_o together_o in_o a_o large_a crucible_n which_o then_o set_v on_o a_o coal-fire_n in_o a_o little_a furnace_n stir_v the_o matter_n continual_o with_o a_o iron_n rod_n till_o the_o sulphur_n be_v consume_v and_o reiterate_v this_o process_n five_o or_o six_o time_n then_o cast_v it_o thus_o refine_a into_o a_o earthen_a pan_n of_o boil_a water_n stir_v it_o often_o with_o a_o stick_n while_o the_o calx_fw-la descend_v to_o the_o bottom_n than_o the_o water_n be_v settle_v and_o clear_a evaporate_v ¾_n to_o extract_v the_o crystal_n or_o rather_o evaporate_v the_o whole_a and_o you_o will_v find_v at_o bottom_n of_o the_o vessel_n a_o crocus_n veneris_n very_o fine_a and_o red_a chap._n xl._o the_o first_o colour_n of_o sea-green_a for_o a_o tincture_n of_o glass_n the_o colour_n of_o sea-green_a be_v give_v by_o the_o italian_n to_o beryl_n which_o be_v a_o precious_a stone_n find_v at_o the_o foot_n of_o mount_n taurus_n by_o the_o river_n euphrates_n which_o have_v the_o green-blue_a of_o the_o sea_n it_o be_v find_v in_o the_o indies_n of_o a_o colour_n somewhat_o pale_a which_o make_v it_o be_v call_v by_o different_a name_n and_o when_o the_o colour_n be_v deep_a they_o common_o pass_v for_o other_o precious_a stone_n it_o be_v therefore_o the_o water_n express_v its_o colour_n we_o will_v treat_v more_o large_o of_o it_o in_o our_o five_o book_n wherein_o we_o shall_v show_v the_o way_n of_o imitate_v precious_a stone_n this_o colour_n which_o be_v one_o of_o the_o fine_a sky-colour_n aught_o to_o be_v make_v in_o fine_a and_o well_o purify_v crystal_n which_o the_o italian_n call_v bollito_n for_o if_o you_o make_v it_o in_o common_a glass_n it_o be_v not_o so_o fair_a you_o must_v likewise_o put_v no_o manganese_n in_o this_o colour_n to_o make_v it_o therefore_o very_o fine_a and_o beautiful_a take_v crystal-fritt_a put_v it_o in_o a_o pot_n in_o the_o furnace_n where_o be_v well_o melt_v and_o clear_a you_o must_v skim_v off_o the_o salt_n which_o will_v swim_v on_o the_o top_n like_o oil_n with_o a_o iron_n ladle_n for_o if_o you_o shall_v not_o take_v it_o off_o the_o colour_n will_v be_v foul_a and_o oily_a the_o matter_n be_v well_o purify_v you_o must_v add_v to_o it_o to_o every_o 20_o pound_n or_o thereabouts_o 6_o ounce_n of_o the_o powder_n of_o copper_n calcine_v as_o we_o have_v teach_v in_o chapt●●_n xxx_o with_o a_o four_o part_n of_o zaffer_n prepare_v also_o in_o powder_n and_o well_o mix_v both_o together_o in_o p●●ting_v both_o these_o powder_n into_o the_o pot_n on_o the_o crystalline_a metal_n you_o must_v do_v it_o little_a by_o little_a for_o fear_v the_o crystal_n rise_v and_o swell_a shall_v run_v over_o whereof_o care_n must_v be_v take_v stir_v it_o well_o all_o the_o while_n this_o be_v do_v let_v the_o metal_n stand_v still_o and_o settle_v for_o the_o space_n of_o three_o hour_n that_o the_o colour_n may_v incorporate_v then_o stir_v it_o again_o then_o the_o workman_n may_v make_v a_o proof_n of_o the_o colour_n twenty_o four_o hour_n after_o the_o mix_n of_o the_o powder_n it_o may_v be_v wrought_v for_o by_o that_o time_n it_o will_v be_v well_o colour_v but_o the_o workman_n must_v first_o well_o mix_v the_o whole_a for_o fear_v the_o colour_n shall_v not_o be_v precipitate_v to_o the_o bottom_n which_o must_v always_o be_v well_o observe_v in_o all_o vessel_n wherein_o there_o be_v colour_n and_o the_o dose_n of_o the_o tincture_n right_o proportion_v to_o the_o crystalline_a metal_n in_o the_o pot_n according_a to_o the_o quantity_n we_o have_v set_v do_v chap._n xli_o another_o skye-colour_n or_o sea-green_a you_o must_v use_v for_o this_o colour_n which_o be_v a_o little_a close_a the_o same_o crystal-frit_a as_o in_o the_o precedent_n make_v with_o rochetta_n or_o polverine_n of_o the_o levant_n and_o have_v fill_v a_o pot_n of_o it_o let_v it_o be_v well_o purify_v and_o take_v off_o the_o salt_n that_o swim_v on_o the_o top_n then_o put_v to_o it_o 20_o pound_n of_o metal_n six_o ounce_n of_o the_o powder_n of_o calcine_v copper_n little_a by_o little_a stir_v it_o well_o observe_v the_o same_o rule_n we_o give_v for_o sea-green_a before_o then_o you_o will_v have_v a_o very_a admirable_a colour_n which_o you_o may_v make_v light_a or_o deep_a as_o you_o please_v two_o hour_n after_o stir_v it_o again_o well_o and_o you_o will_v see_v if_o the_o colour_n please_v you_o in_o which_o case_n let_v it_o stand_v still_o 24_o hour_n without_o any_o stir_a and_o then_o it_o may_v be_v wrought_v as_o before_o chap._n xlii_o another_o sea-green_a colour_n in_o artificial_a crystal_n which_o the_o italian_n call_v bollito_n these_o colour_n be_v not_o to_o be_v make_v without_o a_o great_a deal_n of_o precaution_n which_o this_o need_v as_o much_o as_o any_o to_o succeed_v well_o you_o must_v have_v in_o the_o furnace_n a_o pot_n fill_v with_o 40_o pound_n of_o good_a crystall●fritt_n careful_o skim_v boil_a and_o purify_v without_o any_o manganese_n have_v arrive_v thus_o far_o you_o must_v take_v 12_o ounce_n of_o the_o powder_n of_o small_a leaf_n of_o copper_n thrice_o calcine_v as_o we_o have_v show_v chap._n xxx_o and_o half_o a_o ounce_n of_o zaffer_n in_o powder_n prepare_v as_o in_o chap._n xvii_o mix_v these_o powder_n together_o then_o put_v they_o at_o four_o time_n into_o the_o pot_n that_o they_o may_v the_o better_o mix_v with_o the_o glass_n stir_v they_o at_o each_o time_n well_o as_o you_o put_v they_o in_o for_o fear_v it_o shall_v swell_v too_o much_o and_o run_v over_o two_o hour_n after_o the_o whole_a be_v incorporate_v well_o mix_v and_o pretty_a well_o settle_v try_v if_o your_o colour_n be_v deep_a enough_o than_o let_v it_o rest_v though_o the_o sea-green_a or_o sky_n colour_n seem_v at_o first_o greenish_a you_o need_v not_o be_v concern_v at_o that_o for_o the_o salt_n in_o the_o glass_n will_v consume_v all_o that_o greenness_n and_o change_v it_o into_o
shut_v the_o register_n the_o vessel_n contain_v the_o material_n be_v expose_v to_o the_o naked_a flame_n 3._o for_o a_o balneum_fw-la mariae_fw-la if_o you_o put_v into_o the_o hole_n a_o copper_n vessel_n of_o the_o same_o diameter_n in_o shape_n of_o a_o copper_n the_o bottom_n whereof_o must_v be_v strong_a and_o flat_a and_o fill_v it_o with_o hot_a water_n wherein_o you_o may_v put_v the_o vessel_n that_o contain_v your_o matter_n which_o if_o it_o be_v a_o matrass_n or_o bolt-head_n you_o may_v let_v the_o neck_n out_o at_o the_o hole_n at_o the_o middle_n of_o the_o cover_n which_o cover_v the_o balneum_fw-la or_o vessel_n full_a of_o water_n 4._o for_o a_o balneum_fw-la vaporosum_fw-la by_o put_v in_o the_o same_o hole_n a_o vessel_n full_a of_o water_n that_o shall_v rise_v in_o vapour_n and_o in_o that_o vessel_n another_o which_o shall_v contain_v the_o material_n two_o inch_n above_o the_o water_n shut_v this_o vessel_n with_o a_o fit_a cover_n lest_o the_o vapour_n exhale_v 5._o for_o a_o balneum_fw-la aereum_fw-la or_o dry_a bath_n by_o put_v in_o the_o same_o hole_n a_o vessel_n fill_v with_o hot_a air_n shut_v close_o and_o therein_o also_o another_o vessel_n with_o the_o material_n 6._o for_o a_o sand_n or_o ash_n furnace_n and_o with_o file_n of_o iron_n if_o the_o vessel_n put_v in_o the_o hole_n and_o which_o be_v expose_v to_o the_o naked_a fire_n be_v fill_v with_o sand_n ash_n or_o file_n of_o steel_n and_o that_o you_o pu●_n in_o the_o one_o or_o the_o other_o the_o vessel_n that_o contain_v the_o matter_n you_o be_v to_o work_v on_o 7._o for_o a_o lamp_n furnace_n if_o in_o place_n of_o the_o bar_n below_o you_o put_v a_o porringer_n full_a of_o ash_n to_o contain_v the_o vessel_n wherein_o your_o matter_n be_v provide_v you_o put_v also_o a_o glass_n bell_n on_o that_o vessel_n to_o cover_v it_o that_o must_v stand_v on_o the_o brim_n or_o ledge_n of_o the_o porringer_n well_o sit_v to_o it_o to_o preserve_v the_o heat_n that_o arise_v and_o then_o put_v under_o that_o porringer_n the_o lamp_n on_o a_o little_a trevet_n in_o short_a this_o furnace_n may_v serve_v for_o almost_o all_o chemical_a operation_n whatsoever_o which_o will_v be_v too_o long_o here_o to_o mention_v chap._n liii_o the_o way_n of_o purify_n vitriol_n to_o make_v aquafortis_n strong_a and_o more_o penetrative_a we_o have_v promise_v in_o the_o precede_a chapter_n to_o show_v the_o way_n of_o purify_n vitriol_n which_o consist_v in_o take_v away_o its_o yellowness_n which_o alone_o hinder_v the_o good_a effect_n it_o be_v capable_a of_o produce_v take_v roman_a vitriol_n the_o best_a you_o can_v get_v dissolve_v it_o in_o common_a warm_a water_n then_o let_v it_o stand_v three_o day_n then_o filter_n it_o and_o fling_v away_o the_o yellow_a faeces_fw-la then_o evaporate_v in_o glass_n body_n two_o three_o of_o the_o water_n and_o put_v the_o remainder_n into_o earthen_a glaze_v pan_n and_o set_v it_o in_o a_o cool_a place_n for_o the_o crystal_n of_o it_o to_o shoot_v which_o in_o 12_o hour_n time_n they_o will_v do_v about_o the_o brim_n of_o the_o pan_n in_o little_a transparent_a piece_n like_o natural_a crystal_n of_o a_o emerald-colour_n and_o at_o bottom_n there_o will_v remain_v a_o sulphureous_a sediment_n which_o must_v be_v careful_o separate_v and_o cast_v away_o then_o you_o must_v take_v all_o those_o little_a green_a crystal_n and_o dissolve_v they_o again_o in_o warm_a water_n as_o before_o and_o then_o filter_n and_o evaporate_v they_o in_o the_o same_o glass_n body_n and_o set_v they_o again_o to_o crystallize_v as_o before_o in_o a_o cool_a place_n take_v care_n to_o separate_v all_o the_o yellow_a faeces_fw-la you_o find_v reiterate_v this_o process_n of_o disolve_v and_o filter_v evaporate_n and_o crystallize_a the_o three_o time_n than_o you_o will_v have_v a_o well_o purify_v and_o refine_a vitriol_n we_o will_v here_o add_v for_o the_o sake_n of_o the_o curious_a that_o those_o who_o make_v use_v of_o vitriol_n instead_o of_o roach-allum_n to_o make_v aquafortis_n the_o preparation_n whereof_o we_o have_v show_v in_o the_o precedent_a chap._n ought_v to_o take_v a_o special_a care_n in_o the_o distillation_n that_o assoon_o as_o the_o red_a fume_n be_v pass_v all_o the_o spirit_n of_o nitre_n be_v raise_v and_o that_o then_o the_o fire_n must_v be_v extinguish_v for_o that_o which_o follow_v after_o be_v only_a spirit_n of_o vitriol_n which_o hinder_v the_o operation_n of_o the_o spirit_n of_o nitre_n in_o the_o solution_n of_o metal_n you_o may_v also_o draw_v a_o part_a water_n in_o 12_o hour_n time_n as_o some_o refiner_n do_v during_o which_o time_n but_o little_a spirit_n of_o vitriol_n can_v arise_v with_o their_o fire_n chap._n liv._o the_o way_n to_o make_v aqua_fw-la regalis_fw-la for_o the_o solution_n of_o gold_n and_o other_o metal_n except_o silver_n aqua_fw-la regalis_fw-la be_v nothing_o but_o a_o common_a aquafortis_n wherein_o you_o dissolve_v ¼_n of_o its_o weight_n of_o salarmoniac_a but_o to_o have_v a_o good_a and_o strong_a aqua-regalis_a you_o must_v take_v one_o pound_n of_o aquafortis_n prepare_v as_o in_o chap._n 52._o put_v it_o in_o a_o glass_n matrass_n and_o add_v to_o it_o only_o 2_o ounce_n of_o sal_fw-la ammoniac_a then_o put_v the_o matrass_n into_o a_o warm_a bath_n or_o pan_n of_o warm_a water_n and_o stir_v it_o often_o that_o the_o sal_fw-la armoniac_a may_v be_v well_o dissolve_v in_o the_o aquafortis_n which_o will_v be_v tinge_v of_o a_o yellow_a colour_n then_o you_o must_v add_v as_o much_o salarmoniac_a to_o it_o as_o the_o aquafortis_n can_v dissolve_v then_o let_v it_o settle_v a_o little_a and_o the_o salarmoniac_a will_v leave_v at_o the_o bottom_n all_o its_o terrestreity_n after_o that_o decant_v it_o gentle_o off_o into_o another_o vessel_n so_o that_o you_o do_v trouble_v the_o settle_n at_o bottom_n or_o rather_o filter_n it_o through_o whited-brown_a paper_n this_o water_n will_v dissolve_v gold_n and_o other_o metal_n far_o better_o than_o the_o common_a aqua_fw-la regalis_fw-la except_o silver_n which_o it_o touch_v not_o at_o all_o for_o reason_n which_o chemist_n be_v acquaint_v with_o chap._n lv._o another_o way_n of_o make_v aqua-regalis_a far_o strong_a than_o the_o former_a our_o design_n be_v not_o only_o to_o show_v operation_n and_o process_n proper_a for_o glass_n but_o also_o for_o the_o sake_n of_o gentleman_n chemical_o incline_v who_o curiosity_n be_v not_o content_v with_o what_o be_v common_a or_o with_o ordinary_a preparation_n those_o which_o we_o here_o give_v of_o aqua-regalis_a be_v among_o the_o number_n of_o those_o who_o virtue_n be_v far_o above_o the_o common_a preparation_n they_o more_o intimate_o penetrate_v and_o dissolve_v gold_n and_o other_o metal_n than_o other_o render_v they_o more_o volatile_a and_o consequent_o more_o proper_a to_o be_v draw_v over_o in_o distillation_n the_o first_o be_v that_o which_o some_o philosopher_n call_v the_o water_n of_o the_o two_o champion_n which_o be_v make_v with_o two_o part_n of_o purify_a sulphur_n two_o part_n of_o purify_a salarmoniac_a and_o one_o part_n of_o calcine_v flint_n all_o reduce_v to_o powder_n and_o mix_v well_o together_o then_o take_v a_o earthen_a retort_n which_o must_v have_v a_o little_a hole_n on_o the_o back_n or_o curvature_n on_o the_o upper_a side_n through_o which_o you_o may_v put_v in_o the_o ingredient_n for_o the_o more_o safety_n sake_n you_o may_v lute_n the_o body_n of_o the_o retort_n over_o well_o and_o let_v it_o dry_v then_o put_v it_o in_o the_o furnace_n we_o have_v describe_v chap._n lii_o and_o fit_a to_o it_o a_o great_a glass_n recipient_a by_o reason_n of_o the_o violence_n of_o the_o spirit_n wherein_o you_o may_v put_v a_o little_a common_a water_n to_o attract_v they_o lute_z the_o joint_n of_o they_o as_o you_o do_v for_o aquafortis_n and_o let_v they_o be_v well_o dry_v before_o you_o kindle_v the_o fire_n for_o reason_n we_o have_v elsewhere_o assign_v the_o lute_n be_v dry_a and_o all_o in_o right_a order_n you_o must_v begin_v by_o a_o gentle_a fire_n that_o the_o retort_n may_v grow_v warm_a by_o degree_n and_o afterward_o gradual_o increase_v it_o till_o it_o grow_v red-hot_a then_o put_v in_o at_o the_o hole_n of_o the_o retort_n four_o ounce_n at_o a_o time_n of_o the_o ingredient_n you_o have_v prepare_v and_o stop_v it_o again_o present_o do_v thus_o you_o will_v see_v in_o a_o little_a time_n great_a quantity_n of_o cloudy_a vapour_n arise_v and_o pass_v into_o the_o receiver_n and_o fill_v it_o which_o will_v dissolve_v little_a by_o little_a mix_v themselves_o with_o the_o common_a water_n and_o the_o receiver_n will_v grow_v clear_a assoon_o as_o you_o perceive_v this_o you_o must_v put_v four_o ounce_n more_o of_o your_o ingredient_n into_o the_o retort_n and_o give_v time_n for_o
the_o vapour_n arise_v again_o to_o dissolve_v as_o before_o then_o reiterate_v this_o process_n till_o all_o your_o ingredient_n be_v distil_v off_o then_o unlute_v your_o receiver_n and_o pour_v the_o liquor_n into_o a_o alembick_a and_o draw_v off_o the_o phlegm_n in_o balneo_fw-la mariae_fw-la and_o rectify_v it_o in_o a_o ash-fire_n then_o your_o water_n will_v be_v make_v and_o fit_a to_o dissolve_v any_o metal_n but_o silver_n chap._n lvi_o another_o way_n of_o make_v aq._n reg._n more_o easy_a and_o with_o less_o precaution_n this_o second_o way_n of_o make_v aq._n reg._n will_v be_v more_o easy_a than_o the_o former_a and_o the_o water_n of_o as_o much_o force_n take_v 1_o pound_n of_o good_a salt-petre_n powder_n it_o and_o mix_v it_o with_o 3_o pound_n of_o potter_n clay_n or_o flint_n calcine_v to_o powder_n put_v the_o whole_a into_o a_o glass_n retort_n well_o lute_v and_o sit_v to_o it_o a_o great_a receiver_n lute_n the_o joint_n well_o then_o put_v it_o in_o a_o reverberatory_n furnace_n and_o distil_v it_o according_a to_o art_n in_o a_o gradual_a fire_n when_o all_o the_o red_a spirit_n be_v pass_v over_o as_o we_o have_v explain_v in_o speak_v of_o aq._n fortis_fw-la in_o the_o 52_o chapter_n then_o draw_v off_o the_o phlegm_n in_o balneo_fw-la mariae_fw-la which_o the_o chemist_n and_o we_o hereafter_o will_v note_v by_o the_o two_o letter_n b._n m._n then_o rectify_v it_o in_o a_o ash_n furnace_n and_o keep_v it_o for_o use_n then_o take_v a_o pound_n of_o sal_fw-la ammoniac_a well_o powder_v and_o mix_v it_o with_o four_o pound_n of_o wood-ash_n out_o of_o which_o you_o have_v before_o extract_v all_o the_o salt_n with_o warm_a water_n then_o put_v the_o whole_a into_o a_o retort_n sit_v a_o receiver_n to_o it_o and_o distil_v it_o in_o a_o sand-furnace_n and_o the_o spirit_n of_o the_o shall_v ammoniac_a will_v pass_v over_o into_o the_o receiver_n then_o unlute_v your_o receiver_n and_o take_v off_o that_o phlegm_n of_o the_o spirit_n in_o b._n m._n and_o rectify_v it_o in_o ash_n this_o do_v take_v equal_a part_n of_o each_o of_o these_o spirit_n then_o mix_v they_o together_o and_o distil_v they_o in_o a_o ash-furnace_n then_o you_o will_v have_v a_o strong_a menstruum_fw-la for_o dissolve_v gold_n i_o can_v here_o omit_v that_o the_o spirit_n of_o sea-water_n salt_n distil_v as_o salt-petre_a have_v the_o same_o effect_n as_o the_o water_n of_o the_o 2_o champion_n whereof_o we_o have_v give_v the_o preparation_n in_o the_o preced_a chap._n and_o as_o that_o we_o have_v just_a now_o treat_v of_o and_o in_o the_o mean_a while_o be_v not_o so_o sharp_a nor_o corrosive_n you_o must_v to_o make_v it_o successful_o take_v 3_o part_n of_o spirit_n of_o sea-water_n salt_n and_o add_v to_o it_o one_o part_n of_o salt-petre_a then_o distil_v it_o together_o in_o a_o ash-furnace_n the_o better_a to_o unite_v they_o then_o you_o will_v have_v a_o aqua_fw-la regalis_fw-la which_o will_v dissolve_v gold_n soon_o than_o the_o spirit_n of_o salarmoniac_a and_o which_o will_v make_v it_o rise_v and_o pass_v over_o in_o the_o receiver_n thus_o you_o may_v this_o easy_a way_n make_v it_o more_o fit_a for_o the_o use_v you_o design_v it_o for_o but_o notwithstanding_o this_o you_o must_v not_o imagine_v that_o this_o solution_n of_o gold_n be_v a_o radical_a and_o total_a one_o because_o it_o will_v pass_v over_o in_o a_o alembic_n and_o that_o so_o it_o be_v reduce_v into_o a_o species_n of_o aurum_fw-la potabile_fw-la for_o there_o be_v nothing_o but_o the_o one_o sovereign_a menstruum_fw-la of_o the_o philosopher_n which_o have_v that_o virtue_n as_o be_v homogeneous_a to_o it_o and_o form_v of_o it_o that_o be_v the_o only_a liquor_n in_o which_o it_o can_v putrisie_n and_o be_v total_o resolve_v and_o regenerate_v again_o after_o the_o manner_n of_o the_o phoenix_n to_o become_v a_o spiritual_a and_o glorious_a body_n capable_a of_o perform_v all_o those_o wonderful_a effect_n ascribe_v to_o it_o chap._n lvii_o the_o way_n to_o calcine_v tartar_n we_o have_v already_o give_v one_o preparation_n of_o tartar_n in_o chap._n 15._o both_o for_o the_o calcination_n of_o it_o and_o to_o extract_v the_o salt_n and_o we_o have_v large_o show_v in_o chap._n 5._o of_o what_o importance_n it_o be_v to_o dry_v it_o thorough_o for_o that_o reason_n we_o will_v not_o repeat_v it_o here_o but_o refer_v the_o reader_n thither_o to_o make_v this_o calcination_n which_o be_v easy_a take_v tartar_n in_o great_a lump_n the_o thick_a and_o most_o shine_a you_o can_v get_v blow_v away_o all_o the_o powder_n than_o put_v it_o in_o new_a earthen_a pot_n upon_o live_a coal_n or_o in_o a_o little_a furnace_n where_o you_o must_v leave_v it_o till_o it_o smoke_v no_o more_o and_o all_o its_o humidity_n be_v exhale_v and_o it_o be_v reduce_v into_o lump_n of_o a_o black_a purplish_a colour_n than_o it_o be_v calcine_v and_o well_o prepare_v tartar_n may_v also_o be_v calcine_v by_o wrap_v it_o in_o piece_n of_o brown_a paper_n then_o lay_v a_o bed_n of_o live_a coal_n and_o lay_v a_o bundle_n of_o it_o upon_o they_o than_o another_o layer_n or_o bed_n of_o coal_n and_o on_o they_o another_o parcel_n of_o tartar_n continue_v thus_o to_o do_v s._n s._n s._n till_o all_o your_o parcel_n of_o tartar_n be_v lay_v on_o observe_v that_o the_o upper_a layer_n be_v always_o of_o coal_n and_o leave_v the_o whole_a in_o that_o state_n till_o the_o tartar_n be_v well_o calcine_v and_o leave_v off_o smoke_v then_o take_v it_o off_o and_o blow_v away_o the_o ash_n chap._n lviii_o a_o way_n to_o make_v a_o fair_a chalcedony_n in_o glass_n although_o chalcedony_n be_v not_o so_o dear_a as_o it_o have_v be_v heretofore_o since_o it_o be_v find_v in_o europe_n yet_o people_n have_v not_o leave_v off_o counterfeit_v it_o by_o help_n of_o art_n to_o make_v several_a work_n of_o it_o no_o less_o beautiful_a than_o the_o true_a and_o much_o cheap_a we_o will_v show_v three_o different_a way_n to_o prepare_v this_o chalcedony_n which_o will_v make_v three_o different_a species_n of_o it_o all_o of_o they_o very_o fair_a but_o who_o beauty_n may_v be_v also_o augment_v by_o the_o number_n of_o ingredient_n we_o compose_v they_o of_o and_o which_o cause_n those_o diversity_n of_o colour_n which_o that_o stone_n ought_v to_o have_v among_o the_o rest_n of_o the_o ingredient_n we_o employ_v in_o this_o subject_a there_o be_v some_o that_o give_v no_o colour_n to_o glass_n as_o tartar_n soot_n salarmoniac_a and_o mercury_n those_o that_o be_v of_o a_o unctuous_a nature_n as_o lead_v soot_n tartar_n the_o azure-stone_n often_o hinder_v the_o union_n of_o the_o ingredient_n by_o reason_n of_o the_o separation_n which_o may_v happen_v by_o the_o cool_a the_o metal_n which_o do_v not_o happen_v to_o those_o who_o know_v how_o to_o observe_v the_o degree_n of_o heat_n wherein_o the_o principal_a knowledge_n of_o this_o art_n consist_v to_o make_v the_o first_o sort_n of_o chalcedony_n put_v two_o pound_n of_o aqua_fw-la fortis_fw-la whereof_o we_o have_v give_v the_o preparation_n in_o chap._n 52._o into_o a_o glass_n body_n with_o a_o long_a neck_n four_o ounce_n of_o fine_a silver_n in_o small_a and_o thin_a plate_n or_o granulate_v put_v the_o body_n in_o a_o ash_n furnace_n over_o a_o soft_a fire_n or_o in_o warm_a water_n and_o the_o silver_n will_v be_v present_o dissolve_v at_o the_o same_o time_n take_v another_o body_n and_o dissolve_v in_o it_o 6_o ounce_n of_o quicksilver_n in_o a_o pound_n and_o half_a of_o the_o same_o aqua_fw-la fortis_fw-la after_o that_o pour_v both_o the_o solution_n together_o into_o a_o great_a body_n which_o put_v in_o the_o same_o bath_n or_o warm_a water_n or_o ash-furnace_n then_o add_v to_o it_o six_o ounce_n of_o salarmoniac_a which_o dissolve_v over_o a_o gentle_a fire_n then_o put_v to_o it_o one_o ounce_n of_o zaffer_n and_o half_a a_o ounce_n of_o manganese_n prepare_v little_a by_o little_a with_o as_o much_o ferretto_n of_o spain_n also_o little_a by_o little_a for_o fear_v the_o matter_n come_v to_o swell_v too_o much_o shall_v break_v the_o vessel_n add_v to_o all_o these_o ingredient_n one_o ounce_n of_o crocus_n martis_n calcine_v with_o sulphur_n as_o much_o scale_n of_o copper_n thrice_o calcine_v which_o ought_v to_o boil_v like_o manganese_n as_o much_o blue_a lake_n that_o the_o painter_n use_n and_o the_o same_o quantity_n of_o red_a lead_n the_o whole_a reduce_v into_o powder_n in_o put_v in_o these_o powder_n you_o must_v gentle_o stir_v the_o glass_n body_n that_o they_o may_v the_o better_o incorporate_v with_o the_o aqua_fw-la fortis_fw-la nevertheless_o take_v care_n there_o be_v not_o too_o much_o heat_n than_o you_o must_v well_o stop_v the_o matras_n or_o glass_n body_n stir_v it_o well_o every_o day_n for_o ten_o day_n
fortis_fw-la of_o chap._n 52._o put_v one_o pound_n in_o a_o glass_n matrass_n with_o four_o ounce_n of_o leaf-silver_n to_o dissolve_v and_o stop_v the_o matras_n take_v another_o matras_n wherein_o put_v a_o pound_n of_o the_o same_o aqua_fw-la fortis_fw-la with_o five_o ounce_n of_o mercury_n purify_v with_o salt_n and_o vinegar_n after_o this_o manner_n take_v common_a salt_n sprinkle_v it_o with_o vinegar_n in_o a_o wooden-dish_n where_o add_v to_o it_o a_o little_a common_a fair_a water_n to_o make_v it_o dissolve_v put_v in_o your_o mercury_n and_o stir_v it_o well_o with_o a_o wooden-pestle_n to_o draw_v out_o the_o blackness_n repeat_v wash_v they_o often_o with_o fresh_a salt_n and_o vinegar_n till_o there_o be_v no_o more_o blackness_n then_o dry_v they_o with_o warm_a linen_n or_o cotton_n and_o pass_v it_o through_o the_o glove_n than_o it_o will_v be_v purify_v and_o fit_a to_o put_v in_o your_o aqua_fw-la fortis_fw-la when_o it_o be_v dissolve_v stop_v the_o matras_n and_o keep_v it_o take_v another_o glass_n body_n wherein_o put_v a_o pound_n of_o aqua_fw-la fortis_fw-la with_o three_o ounce_n of_o fine_a silver_n calcine_v amalgamate_fw-it they_fw-mi silver_n with_o the_o mercury_n as_o the_o goldsmith_n usual_o do_v and_o put_v it_o into_o a_o crucible_n with_o its_o weight_n of_o common_a salt_n purify_v as_o we_o have_v heretofore_o show_v then_o put_v the_o crucible_n on_o hot_a coal_n that_o the_o mercury_n may_v evaporate_v and_o that_o only_o the_o silver_n remain_v at_o bottom_n which_o will_v be_v purify_v and_o calcine_v then_o add_v to_o that_o calcine_v silver_n a_o equal_a weight_n of_o common_a salt_n purify_v as_o before_o mix_v they_o well_o together_o and_o put_v they_o over_o the_o fire_n in_o a_o crucible_n to_o calcine_v they_o afresh_o then_o wash_v they_o well_o with_o warm_a water_n to_o take_v out_o the_o salt_n then_o put_v this_o silver_n into_o a_o glass_n vial_n fill_v with_o common_a water_n which_o boil_v till_o one_o four_o part_n be_v consume_v then_o let_v it_o cool_v and_o settle_v to_o the_o bottom_n then_o decant_v off_o the_o water_n and_o put_v more_o upon_o it_o reiterate_v this_o process_n with_o fresh_a water_n three_o time_n and_o at_o the_o four_o dry_a the_o silver_n and_o put_v it_o into_o your_o aqua_fw-la fortis_fw-la and_o stir_v it_o well_o and_o stop_v the_o matras_n we_o have_v promise_v to_o give_v the_o way_n of_o purify_n common_a salt_n which_o be_v this_o take_v what_o quantity_n you_o will_v of_o sea-salt_n dissolve_v it_o in_o a_o convenient_a quantity_n of_o common_a water_n boil_v it_o for_o the_o space_n of_o two_o hour_n then_o let_v the_o water_n rest_n that_o the_o earthy_a part_n of_o the_o salt_n may_v settle_v to_o the_o bottom_n then_o filter_n the_o water_n and_o evaporate_v it_o in_o a_o earthen_a vessel_n or_o rather_o in_o a_o glass_n cucurbit_n till_o the_o salt_n remain_v dry_a at_o the_o bottom_n dissolve_v this_o salt_n again_o make_v the_o water_n boil_v then_o let_v it_o stand_v for_o the_o dregs_o to_o settle_v after_o which_o filter_n it_o and_o evaporate_v it_o as_o before_o which_o you_o must_v continue_v to_o do_v till_o it_o leave_v no_o more_o faeces_fw-la or_o dregs_o and_o it_o will_v be_v well_o purify_v and_o prepare_v to_o continue_v our_o preparation_n of_o the_o material_n you_o must_v put_v into_o a_o glass_n matras_n a_o pound_n of_o aqua_fw-la fortis_fw-la with_o three_o ounce_n of_o purify_a salarmoniac_a that_o be_v to_o say_v filter_v and_o whiten_v till_o it_o leave_v no_o faeces_fw-la or_o dregs_o as_o we_o have_v show_v in_o common_a salt_n then_o dissolve_v in_o that_o water_n a_o quarter_n of_o a_o ounce_n of_o silver_n and_o stop_v the_o vessel_n well_o take_v another_o glass_n matras_n and_o put_v into_o it_o also_o a_o pound_n of_o aqua_fw-la fortis_fw-la with_o two_o ounce_n of_o salarmoniac_a be_v dissolve_v put_v into_o that_o water_n of_o cinnabar_fw-la of_o crocus_n martis_n calcine_v with_o sulphur_n as_o above_o of_o vltramarine_n and_o of_o ferretto_n of_o spain_n prepare_v as_o in_o chap._n 22._o of_o each_o half_n a_o ounce_n the_o whole_a well_o pound_v into_o powder_n you_o must_v do_v this_o little_a by_o little_a as_o we_o have_v heretofore_o hint_v for_o fear_n of_o break_v the_o vessel_n by_o the_o fermentation_n which_o they_o make_v with_o the_o aqua_fw-la fortis_fw-la then_o stop_v the_o matras_n put_v into_o another_o matras_n a_o pound_n of_o aqua_fw-la fortis_fw-la and_o dissolve_v in_o it_o two_o ounce_n of_o salarmoniac_a as_o before_o add_v to_o it_o of_o crocus_n martis_n calcine_v as_o in_o chap._n 25_o with_o calcine_v tin_n know_v among_o the_o glass-man_n of_o zaffer_n describe_v in_o chap._n 17._o and_o of_o cinnabar_fw-la of_o each_o half_n a_o ounce_n the_o whole_a well_o powder_v and_o cast_v little_a by_o little_a into_o your_o matras_n for_o the_o reason_n before_o assign_v which_o require_v that_o great_a precaution_n then_o stop_v the_o matras_n take_v another_o glass_n body_n wherein_o put_v one_o pound_n of_o aqua_fw-la fortis_fw-la and_o dissolve_v in_o it_o two_o ounce_n of_o salarmoniac_a then_o add_v one_o ounce_n of_o small_a leave_n of_o copper_n calcine_v as_o in_o chap._n 31_o half_o a_o ounce_n of_o scale_n of_o copper_n thrice_o calcine_v as_o describe_v in_o chap._n 34_o half_o a_o ounce_n of_o manganese_n of_o piedmont_n prepare_v as_o in_o chap._n 18_o and_o half_a a_o ounce_n of_o scale_n of_o iron_n which_o fall_n from_o the_o smith_n anvil_n the_o whole_a well_o pound_v which_o cast_v little_a by_o little_a into_o your_o matras_n for_o fear_n of_o break_v it_o then_o stop_v it_o well_o put_v into_o another_o glass_n body_n one_o pound_n of_o aqua_fw-la fortis_fw-la and_o two_o ounce_n of_o salarmoniac_a the_o dissolution_n be_v make_v put_v to_o it_o little_a by_o little_a half_n a_o ounce_n of_o red_a lead_n one_o ounce_n of_o scale_n of_o copper_n of_o chap._n 34_o half_o a_o ounce_n of_o crude_a antimony_n and_o as_o much_o caput_fw-la mortuum_n of_o vitriol_n purify_v the_o whole_a well_o pulverise_v then_o stop_v the_o matras_n take_v another_o glass_n matras_n put_v into_o it_o one_o pound_n of_o aqua_fw-la fortis_fw-la with_o two_o ounce_n of_o salarmoniac_a add_v to_o that_o water_n of_o orpiment_n of_o white_a arsenic_n of_o painter_n lake_n half_o a_o ounce_n of_o each_o the_o whole_a be_v well_o powder_v and_o put_v into_o a_o matras_n with_o the_o same_o precaution_n as_o before_o stop_v it_o well_o we_o have_v not_o repeat_v at_o each_o operation_n that_o you_o must_v put_v your_o matras_n on_o a_o ash_n furnace_n over_o a_o gentle_a heat_n or_o in_o a_o warm_a bath_n to_o hasten_v the_o solution_n of_o the_o material_n because_o we_o have_v tell_v you_o it_o must_v be_v always_o do_v in_o chap._n 58_o in_o speak_v of_o the_o preparation_n of_o those_o thing_n which_o serve_v to_o thing_fw-mi the_o first_fw-mi species_n of_o chalcedony_n which_o may_v suffice_v for_o the_o instruction_n of_o those_o who_o employ_v themselves_o in_o this_o art_n we_o will_v add_v that_o all_o the_o nine_o matrass_n mention_v in_o this_o chapter_n must_v remain_v fifteen_o day_n in_o the_o same_o heat_n stir_v they_o often_o every_o day_n that_o the_o water_n may_v the_o better_o operate_v on_o the_o material_n subtilize_v they_o and_o well_o open_v their_o tincture_n then_o put_v all_o these_o material_n with_o the_o aqua_fw-la fortis_fw-la into_o a_o great_a glass_n body_n little_a by_o little_a that_o they_o may_v unite_v well_o together_o close_o the_o body_n and_o set_v it_o in_o the_o same_o heat_n stir_v it_o well_o for_o six_o day_n after_o that_o take_v a_o great_a glass_n cucurbit_n well_o lute_v half_a way_n up_o the_o body_n of_o it_o put_v it_o on_o a_o ash_n furnace_n put_v into_o it_o all_o the_o material_n out_o of_o your_o body_n fit_a to_o it_o a_o head_n and_o receiver_n lute_n well_o all_o the_o joint_n then_o distil_v it_o during_o the_o space_n of_o twenty_o four_o hour_n over_o a_o very_a gentle_a fire_n for_o fear_v the_o colour_n shall_v be_v spoil_v that_o the_o water_n pass_v gentle_o over_o and_o the_o spirit_n remain_v in_o the_o powder_n which_o of_o green_a will_v become_v yellow_a thus_o put_v that_o powder_n in_o the_o requisite_a do_v as_o we_o have_v teach_v in_o the_o first_o species_n of_o chalcedony_n into_o purify_a glass_n metal_n make_v of_o break_a piece_n of_o crystal_n and_o not_o of_o fritt_n and_o add_v to_o it_o in_o its_o due_a time_n calcine_v tartar_n soot_n of_o chimney_n crocus_n martis_n make_v with_o vinegar_n observe_v all_o we_o have_v on_o this_o subject_a remark_v these_o material_n will_v give_v a_o opacity_n to_o glass_n which_o may_v be_v work_v twenty_o four_o hour_n afterward_o manage_v it_o well_o with_o proper_a tool_n and_o often_o heat_a it_o and_o you_o will_v have_v
you_o have_v well_o dry_v your_o crystal_n thus_o calcine_v grind_v they_o to_o a_o impalpable_a powder_n on_o a_o marble_n or_o porphyry_n stone_n by_o put_v a_o little_a on_o at_o a_o time_n and_o fierce_o it_o well_o through_o a_o fine_a silken_a sieve_n and_o since_o we_o use_v this_o powder_n of_o crystal_n for_o all_o artificial_a gem_n whereof_o we_o be_v go_v to_o treat_v your_o best_a way_n will_v be_v to_o keep_v a_o good_a quantity_n by_o you_o which_o you_o may_v always_o have_v recourse_n to_o in_o work_v if_o you_o design_v to_o succeed_v in_o this_o art_n very_o well_o you_o must_v not_o use_v ordinary_a fritt_n of_o crystal_n how_o good_a and_o fair_a soever_o it_o be_v nor_o chalcedony_n nor_o tarso_n nor_o any_o other_o stone_n for_o the_o glass_n make_v of_o they_o be_v far_o less_o fàir_a and_o resplendent_a than_o that_o make_v of_o natural_a crystal_n which_o have_v the_o most_o lustre_n and_o approach_v near_o precious_a stone_n as_o we_o have_v already_o remark_v in_o the_o precede_a chapter_n chap._n xciii_o the_o way_n of_o make_v a_o very_a sine_fw-la and_o pure_a salt_n of_o tartar_n neri_n make_v use_v of_o no_o salt_n of_o tartar_n in_o all_o his_o preparation_n of_o artificial_a gem_n notwithstanding_o this_o salt_n be_v prepare_v after_o a_o certain_a manner_n we_o shall_v here_o relate_v for_o the_o sake_n of_o the_o curious_a it_o serve_v in_o a_o great_a measure_n to_o work_v the_o crystal_n be_v a_o true_a vehicle_n for_o the_o better_a introduce_v the_o colour_n that_o be_v to_o be_v give_v and_o which_o be_v of_o use_n for_o the_o tincture_n several_a way_n those_o who_o in_o their_o operation_n of_o artificial_a gem_n have_v make_v no_o use_n of_o salt_n of_o tartar_n have_v without_o doubt_n be_v ignorant_a of_o this_o fine_a preparation_n of_o it_o for_o if_o you_o use_v ordinary_a salt_n of_o tartar_n there_o be_v a_o sulphur_n and_o foulness_n in_o it_o which_o render_v crystal_n obscure_a and_o consequent_o will_v be_v hurtful_a in_o these_o operation_n to_o make_v this_o salt_n you_o must_v first_o calcine_v your_o tartar_n till_o it_o become_v grey_a and_o not_o to_o perfect_a whiteness_n and_o then_o dissolve_v it_o in_o warm_a water_n to_o extract_v the_o salt_n filter_n that_o water_n and_o then_o evaporate_v it_o over_o the_o fire_n then_o you_o will_v have_v remain_v at_o the_o bottom_n of_o the_o vessel_n a_o white_a salt_n to_o take_v away_o all_o foulness_n from_o this_o salt_n dissolve_v it_o again_o in_o warm_a water_n then_o evaporate_v it_o again_o over_o a_o gentle_a fire_n take_v it_o off_o the_o fire_n and_o cast_v it_o into_o cold_a water_n and_o you_o will_v find_v it_o will_v leave_v on_o the_o surface_n of_o the_o water_n a_o thick_a froth_n which_o you_o must_v skim_v off_o with_o a_o skimmer_n that_o have_v little_a holes_n no_o big_a than_o a_o small_a pin_n head_n put_v the_o vessel_n again_o on_o the_o fire_n and_o evaporate_v the_o water_n as_o before_o then_o take_v it_o off_o the_o fire_n and_o cast_v upon_o it_o fresh_a cold_a water_n and_o skim_v it_o well_o as_o before_o reiterate_v this_o process_n till_o you_o find_v no_o more_o froth_n then_o evaporate_v the_o whole_a over_o a_o gentle_a fire_n till_o it_o be_v dry_a and_o you_o will_v have_v a_o salt_n of_o tartar_n well_o purify_v which_o be_v not_o so_o fusil_n as_o the_o other_o because_o it_o be_v free_a from_o all_o that_o unctuosity_n which_o cause_v the_o fusion_n keep_v this_o salt_n of_o tartar_n in_o a_o vessel_n well_o stop_v and_o use_v of_o it_o in_o crystal_n with_o your_o colour_n when_o you_o set_v they_o to_o melt_v although_o this_o salt_n of_o tartar_n be_v very_o fine_a and_o pure_a yet_o it_o be_v not_o that_o of_o the_o philosopher_n which_o have_v far_o more_o virtue_n and_o open_v more_o powerful_o the_o metal_n and_o mineral_n where_o it_o be_v employ_v though_o it_o be_v of_o the_o same_o nature_n as_o this_o and_o extract_v from_o the_o same_o principle_n the_o philosopher_n have_v moreover_o another_o salt_n of_o tartar_n extract_v from_o metalline_a matter_n and_o this_o last_o be_v far_o more_o excellent_a than_o any_o other_o we_o will_v treat_v thereof_o at_o large_a in_o the_o treatise_n we_o have_v promise_v where_o we_o will_v explain_v the_o virtue_n both_o of_o the_o one_o and_o the_o other_o as_o well_o in_o medicine_n as_o in_o the_o business_n of_o metal_n and_o show_v several_a very_o curious_a effect_n perform_v by_o their_o mean_n chap._n xciv_o to_o make_v a_o past_a for_o oriental_a emerald_n we_o have_v already_o show_v the_o way_n of_o ting_a crystal_n and_o glass_n of_o lead_n of_o a_o very_a fair_a emerald-colour_n but_o not_o to_o make_v a_o stone_n that_o shall_v imitate_v a_o true_a natural_a gem_n which_o may_v be_v use_v in_o ring_n or_o otherwise_o which_o now_o we_o come_v to_o do_v there_o be_v divers_a sort_n of_o emerald_n but_o at_o present_a they_o be_v all_o distinguish_v into_o either_o oriental_a or_o occidental_a the_o oriental_n be_v more_o hard_a and_o the_o other_o less_o we_o will_v show_v several_a way_n of_o imitate_v t●e_v emerald_n more_o or_o less_o full_a which_o will_v be_v all_o beautyful_a this_o be_v the_o first_o take_v two_o ounce_n of_o natural_a crystal_n prepare_v as_o we_o have_v show_v in_o chap._n 92._o and_o 4_o ounce_n of_o common_a minium_n or_o read-lead_a powder_a and_o sear_v add_v 48_o grain_n of_o verdigrease_n well_o pound_v and_o of_o a_o good_a colour_n with_o 8_o grain_n of_o crocus_n martis_n prepare_v with_o vinegar_n as_o we_o have_v show_v chap._n 25._o mix_v the_o whole_a well_o together_o and_o put_v it_o into_o a_o good_a crucible_n that_o will_v resist_v the_o fire_n in_o it_o you_o must_v leave_v a_o inch_n empty_a then_o cover_v the_o the_o crucible_n with_o a_o earthen_a cover_n lute_n it_o well_o and_o dry_v it_o than_o put_v it_o in_o the_o hot_a place_n of_o a_o potter_n furnace_n where_o they_o make_v their_o earthen_a vessel_n and_o let_v it_o stand_v as_o long_o as_o their_o pot_n be_v cold_a break_v the_o crucible_n and_o you_o will_v find_v within_o a_o matter_n of_o the_o colour_n of_o a_o very_a fine_a emerald_n if_o you_o afterward_o set_v it_o in_o gold_n it_o will_v surpass_v in_o beauty_n the_o true_a oriental_a emerald_n if_o it_o happen_v that_o your_o matter_n be_v not_o enough_o resin_v and_o purify_v you_o must_v put_v it_o in_o again_o a_o second_o time_n in_o the_o same_o furnace_n where_o it_o will_v be_v purify_v as_o much_o as_o needs_o be_v which_o you_o may_v know_v by_o lift_v up_o the_o cover_n if_o the_o matter_n appear_v shine_v if_o it_o be_v not_o so_o lute_z the_o cover_v on_o again_o and_o put_v the_o whole_a in_o the_o furnace_n you_o may_v take_v notice_n once_o for_o all_o that_o you_o must_v not_o break_v the_o crucible_n before_o the_o matter_n be_v thorough_o bake_v and_o purify_v for_o if_o you_o do_v and_o so_o be_v oblige_v to_o put_v the_o matter_n into_o another_o crucible_n the_o past_a will_v be_v paint_v and_o full_a of_o blister_n if_o you_o can_v easy_o come_v to_o a_o potter_n furnace_n you_o may_v make_v one_o yourself_o with_o little_a charge_n wherein_o you_o may_v put_v twenty_o crucible_n at_o once_o each_o of_o different_a colour_n so_o one_o bake_n may_v serve_v for_o a_o great_a deal_n of_o matter_n you_o must_v make_v use_n of_o dry_a and_o hard_a wood_n to_o heat_v the_o furnace_n as_o we_o have_v say_v before_o in_o bake_v glass_n and_o continue_v the_o fire_n twenty_o four_o hour_n in_o which_o time_n your_o matter_n ought_v to_o be_v bake_v and_o purify_v enough_o but_o for_o more_o surety_n you_o may_v continue_v the_o fire_n six_o hour_n long_o and_o they_o will_v be_v certain_o bake_v enough_o your_o matter_n be_v thus_o right_o bake_v you_o may_v polish_v it_o at_o the_o wheel_n as_o we_o have_v say_v and_o set_v it_o with_o a_o foil_n in_o gold_n as_o be_v do_v with_o true_a gem_n and_o you_o will_v have_v a_o bright_a emerald_n than_o the_o oriental_a chap._n xcv_o another_o deep_a emerald-colour_n that_o which_o make_v emerald_n deep_o than_o the_o precedent_n proceed_v from_o the_o small_a quantity_n of_o crystal_n employ_v in_o it_o with_o more_o of_o the_o other_o material_n which_o make_v it_o more_o fair_a but_o also_o more_o brittle_a you_o must_v bake_v it_o at_o least_o six_o hour_n long_o than_o the_o precedent_n to_o take_v away_o that_o imperfection_n which_o lead_v usual_o give_v the_o do_v of_o this_o past_a be_v one_o ounce_n of_o natural_a crystal_n prepare_v as_o we_o have_v show_v six_o ounce_n and_o a_o half_a of_o red-lead_a seventy_o five_o grain_n of_o verdigrease_n ten_o grain_n of_o crocus_n martis_n make_v with_o vinegar_n the_o whole_a pulverised_a and_o
we_o have_v show_v in_o the_o precede_a chapter_n whereunto_o add_v half_o a_o ounce_n of_o crocus_n martis_n in_o fine_a powder_n prepare_v as_o in_o cha●_n 27._o after_o have_v well_o mix_v these_o powder_n together_o put_v they_o into_o a_o good_a crucible_n which_o cover_n and_o lute_n well_o then_o put_v it_o into_o a_o glass-house_n fire_n for_o three_o day_n by_o put_v it_o near_o and_o near_o the_o strength_n of_o the_o fire_n by_o degree_n then_o take_v out_o your_o crucible_n and_o put_v the_o matter_n into_o a_o marble_n mortar_n than_o pound_n and_o grind_v it_o very_o small_a with_o its_o weight_n of_o sa●_n gemmae_fw-la and_o put_v it_o into_o another_o crucible_n which_o cover_n and_o lute_n as_o before_o be_v dry_a put_v it_o into_o the_o same_o glass-house_n furnace_n approach_v it_o to_o the_o fire_n little_a by_o little_a and_o let_v it_o stand_v twenty_o hour_n in_o good_a fusion_n then_o take_v it_o out_o and_o put_v it_o again_o into_o the_o furnace_n to_o bake_v again_o as_o you_o do_v glass_n where_o leave_v it_o twelve_o hour_n that_o it_o may_v cool_v gentle_o your_o crucible_n be_v cold_a take_v it_o out_o of_o the_o furnace_n to_o bake_v again_o then_o break_v it_o and_o you_o will_v find_v in_o it_o the_o matter_n tinge_v of_o a_o very_a fine_a carbuncle_n colour_n which_o you_o may_v cut_v of_o what_o form_n and_o greatness_n you_o please_v and_o then_o cut_v and_o polish_v they_o at_o the_o wheel_n and_o they_o will_v be_v perfect_a there_o be_v a_o certain_a 'slight_o which_o i_o shall_v not_o mention_v here_o which_o several_a artist_n may_v know_v whereby_o these_o carbuncle_n may_v be_v make_v to_o undergo_v all_o trial_n it_o be_v a_o point_n which_o will_v deserve_v the_o study_n of_o all_o those_o who_o be_v ignorant_a of_o it_o to_o discover_v it_o to_o every_o one_o will_v be_v a_o profanation_n of_o the_o secret_n of_o art_n and_o will_v make_v the_o ignorant_a as_o know_v in_o one_o moment_n as_o those_o who_o have_v employ_v all_o their_o life_n in_o search_n after_o the_o profound_a knowledge_n chap._n cxv_o another_o carbuncle_n more_o noble_a and_o fair_a call_v carbunculus_fw-la nocte_fw-la illuminans_fw-la there_o be_v a_o second_o way_n of_o make_v a_o carbuncle_n call_v carbunculus_fw-la nocte_fw-la illuminans_fw-la which_o be_v far_o more_o resplendent_a and_o fair_a than_o the_o former_a those_o who_o have_v write_v that_o it_o shine_v in_o the_o night_n and_o make_v the_o possessor_n of_o it_o always_o very_o lucky_a only_o speak_v by_o way_n of_o allusion_n to_o the_o philosopher_n stone_n to_o which_o alone_o that_o virtue_n can_v be_v attribute_v that_o be_v the_o stone_n and_o carbuncle_n which_o be_v not_o to_o be_v find_v that_o be_v except_o in_o the_o hand_n of_o the_o adepti_fw-la who_o alone_o can_v make_v and_o possess_v it_o we_o may_v here_o bold_o say_v that_o the_o carbunculus_fw-la nocte_fw-la illuminans_fw-la be_v not_o a_o stone_n any_o where_o form_v by_o nature_n but_o make_v by_o art_n for_o nature_n can_v purify_v the_o matter_n she_o furnish_v we_o with_o and_o this_o stone_n can_v be_v make_v of_o they_o except_o when_o they_o be_v purify_v in_o the_o utmost_a perfection_n which_o art_n alone_o can_v do_v thus_o this_o masterpiece_n of_o work_n this_o carbuncle_n this_o phoenix_n or_o this_o stone_n so_o famous_a among_o the_o philosopher_n be_v far_o more_o precious_a than_o any_o nature_n can_v form_v since_o by_o mean_n of_o it_o you_o may_v in_o two_o hour_n time_n make_v simple_a crystal_n as_o valuable_a as_o any_o stone_n nature_n spend_v so_o many_o age_n in_o bring_v to_o perfection_n if_o there_o be_v any_o carbuncle_n in_o the_o world_n or_o precious_a stone_n that_o have_v their_o beauty_n we_o be_v persuade_v that_o they_o must_v be_v the_o product_n of_o art_n rather_o than_o nature_n and_o that_o they_o be_v only_o make_v by_o that_o pure_a and_o incomparable_a matter_n of_o the_o philosopher_n exalt_v in_o colour_n and_o 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after_o which_o take_v your_o crucible_n out_o of_o the_o furnace_n and_o put_v it_o into_o that_o where_o they_o set_v their_o glass_n to_o anneal_a whence_o take_v it_o out_o ten_o or_o twelve_o hour_n after_o and_o have_v break_v it_o you_o will_v find_v the_o matter_n tinge_v of_o a_o carbuncle-colour_n the_o most_o lively_a and_o resplendent_a that_o can_v be_v make_v by_o this_o art_n whereof_o you_o may_v make_v what_o stone_n or_o work_v you_o please_v we_o have_v promise_v the_o calcination_n of_o gold_n which_o may_v be_v perform_v several_a way_n but_o as_o fine_a work_n can_v be_v make_v without_o the_o most_o pure_a matter_n we_o will_v pretermit_v the_o more_o common_a one_o to_o show_v you_o the_o follow_v which_o be_v very_o fine_a and_o proper_a for_o this_o art_n dissolve_v a_o ounce_n of_o gold_n in_o three_o ounce_n of_o aqua_fw-la regalis_fw-la then_o add_v to_o it_o four_o ounce_n of_o common_a mercury_n purify_v and_o pass_v through_o wash-leather_n which_o 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the_o crucible_n and_o you_o will_v find_v your_o gold_n calcine_v which_o amalgamate_fw-it with_o four_o ounce_n of_o fresh_a mercury_n to_o which_o add_v five_o ounce_n more_o of_o flour_n of_o brimstone_n pound_v they_o well_o together_o as_o before_o then_o put_v the_o whole_a in_o your_o crucible_n which_o lute_n and_o give_v they_o the_o same_o round_a fire_n as_o before_o which_o reiterate_v a_o three_o time_n the_o better_a to_o calcine_v and_o open_v your_o gold_n then_o put_v it_o into_o a_o glaze_v earthen_a pan_n pretty_a deep_a and_o pour_v on_o it_o good_a spirit_n of_o wine_n that_o may_v swim_v two_o inch_n above_o then_o put_v fire_n to_o it_o and_o when_o it_o be_v burn_v you_o will_v have_v a_o very_a fine_a gold_n in_o a_o impalpable_a calx_fw-la well_o open_v which_o edulcorate_v with_o warm_a water_n distil_v and_o dry_v
of_o a_o very_a fine_a diamond_n colour_n hard_a shine_a and_o sparkle_v like_o the_o true_a one_o which_o you_o may_v polish_v and_o work_v up_o as_o the_o goldsmith_n this_o sulphurous_a trepoly_n which_o enter_v into_o the_o composition_n of_o this_o paste_n be_v not_o common_o know_v we_o will_v show_v the_o way_n of_o make_v it_o that_o we_o may_v leave_v nothing_o imperfect_a which_o may_v be_v any_o obstruction_n to_o the_o proceed_n of_o the_o curious_a take_v equal_a part_n of_o trepoly_n of_o crude_a antimony_n and_o common_a sulphur_n and_o grind_v they_o to_o a_o fine_a powder_n on_o a_o porphyry_n stone_n and_o make_v they_o into_o a_o paste_n with_o vinegar_n which_o be_v dry_a will_v easy_o crumble_v this_o be_v the_o sulphurous_a trepoly_n which_o we_o make_v use_v of_o some_o person_n in_o make_v the_o same_o process_n of_o take_v away_o the_o colour_n from_o jargons_n and_o give_v they_o the_o hardness_n and_o whiteness_n of_o diamond_n have_v make_v use_n of_o barly-meol_a wherewith_o they_o make_v a_o paste_n with_o distil_a vinegar_n impregnate_v with_o lead_n wherewith_o they_o stratifie_v their_o stone_n or_o jargons_n in_o a_o crucible_n cover_v with_o another_o and_o well_o lute_v which_o they_o afterward_o put_v in_o a_o gradual_a round_a or_o wheel_n fire_n for_o six_o hour_n but_o this_o way_n they_o can_v not_o give_v they_o the_o true_a diamond-colour_n wherefore_o i_o advise_v those_o who_o will_v try_v this_o experiment_n to_o follow_v our_o first_o process_n which_o have_v several_a time_n succeed_v there_o be_v moreover_o some_o who_o stratifie_v their_o stone_n with_o pound_a coal_n which_o they_o put_v in_o a_o crucible_n cover_v and_o lute_v which_o they_o set_v on_o the_o fire_n six_o hour_n so_o that_o the_o crucible_n be_v always_o red_a hot_a i_o do_v approve_v of_o this_o way_n because_o the_o coal_n may_v dry_v the_o humour_n of_o the_o stone_n and_o calcine_v it_o chap._n cxxxix_o the_o way_n to_o make_v diamond_n the_o quality_n and_o colour_n of_o the_o diamond_n be_v so_o well_o know_v we_o shall_v not_o enlarge_v upon_o they_o in_o this_o chapter_n but_o only_o show_v the_o way_n to_o counterfeit_v they_o make_v they_o endure_v the_o fire_n and_o harden_v they_o take_v of_o good_a natural_a crystal_n calcine_v and_o reduce_v to_o subtle_a powder_n what_o quantity_n you_o please_v fill_v a_o pot_n with_o it_o and_o set_v it_o in_o a_o glass-house_n furnace_n twelve_o hour_n to_o be_v melt_v and_o purify_v then_o drop_v the_o melt_a matter_n into_o cold_a water_n then_o dry_v it_o and_o reduce_v it_o again_o to_o powder_n add_v to_o that_o powder_n its_o weight_n of_o our_o fine_a salt_n of_o tartar_n of_o chap._n 93._o mix_v these_o two_o powder_n well_o and_o make_v little_a pill_n of_o they_o with_o common_a water_n then_o wipe_v these_o pill_n and_o put_v they_o into_o a_o earthen_a pot_n on_o a_o strong_a fire_n there_o to_o grow_v red_a hot_a for_o twelve_o hour_n space_n without_o 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polish_a then_o pour_v common_a water_n gentle_o on_o it_o which_o warm_a and_o boil_v during_o the_o space_n of_o twelve_o hour_n take_v care_n to_o add_v boil_a water_n fresh_a into_o the_o vessel_n as_o the_o water_n in_o it_o consume_v by_o boil_v and_o take_v care_v it_o boil_v continual_o then_o see_v if_o your_o crystal_n have_v acquire_v the_o colour_n and_o hardness_n you_o expect_v if_o not_o continue_v the_o fire_n some_o hour_n long_o and_o they_o will_v be_v like_o the_o true_a diamond_n of_o alencon_n take_v care_n to_o repolish_v they_o again_o at_o the_o wheel_n to_o give_v they_o colour_n and_o brightness_n chap._n cxli_o the_o way_n to_o give_v the_o true_a colour_n and_o hardness_n of_o a_o diamond_n to_o crystal_n and_o diamond_n of_o alencon_n there_o be_v nothing_o in_o nature_n which_o art_n can_v imitate_v and_o oftentimes_o those_o thing_n which_o seem_v most_o difficult_a prove_v to_o be_v most_o easy_a when_o manage_v with_o judgement_n or_o when_o he_o that_o undertake_v to_o do_v they_o have_v experiment_v any_o thing_n of_o the_o like_a nature_n before_o and_o know_v the_o nature_n and_o property_n and_o power_n of_o his_o subject_n although_o the_o imperfect_a metal_n be_v immature_n or_o unripe_a they_o contain_v notwithstanding_o a_o great_a deal_n of_o fix_a and_o volatile_a gold_n which_o may_v be_v easy_o separate_v or_o attract_v out_o by_o mean_n of_o art_n imperfect_a metal_n may_v be_v very_o much_o meliorate_v by_o fire_n by_o a_o proportionable_a and_o agreeable_a coction_n there_o be_v also_o crystal_n and_o precious_a stone_n which_o have_v no_o natural_a hardness_n which_o may_v be_v give_v they_o by_o art_n have_v all_o the_o natural_a disposition_n thereunto_o require_v since_o they_o have_v the_o same_o principle_n as_o the_o most_o fine_a and_o that_o they_o only_o want_v a_o little_a sulphur_n which_o hinder_v their_o thorough_a coction_n thus_o this_o defect_n may_v be_v obviate_v in_o precious_a stone_n as_o well_o as_o metal_n by_o give_v they_o a_o due_a coction_n and_o so_o change_v they_o for_o the_o better_a we_o will_v begin_v to_o give_v the_o most_o simple_a way_n of_o attain_v it_o before_o we_o show_v those_o that_o be_v more_o exalt_v you_o may_v give_v the_o colour_n and_o hardness_n of_o diamond_n to_o crystal_n and_o diamond_n of_o alencon_n by_o take_v good_a dutch_a trepoly_n and_o make_v a_o paste_n of_o it_o with_o water_n out_o of_o the_o smith_n forge_n wherein_o you_o must_v wrap_v up_o the_o quantity_n you_o design_n of_o crystal_n or_o diamond_n of_o alencon_n cut_v and_o polish_a then_o set_v it_o in_o a_o crucible_n cover_v and_o lute_v on_o a_o gradual_a fire_n where_o let_v it_o stand_v till_o the_o crucible_n become_v red_a hot_a a_o little_a time_n after_o take_v it_o out_o and_o take_v out_o the_o stone_n then_o polish_v they_o again_o at_o the_o wheel_n to_o give_v they_o their_o colour_n to_o set_v they_o in_o work_n take_v indian_a paper_n with_o leave_n of_o tin_n like_o those_o you_o put_v behind_o looking-glass_n then_o let_v they_o be_v set_v by_o some_o good_a goldsmith_n and_o they_o can_v scarce_o be_v distinguish_v from_o fine_a one●_n except_o by_o very_o nice_a discerner_n chap._n cxlii_o another_o way_n to_o harden_v crystal_n and_o diamond_n of_o alencon_n crystal_n also_o acquire_v hardness_n in_o the_o paste_n we_o be_v now_o go_v to_o describe_v because_o their_o humidity_n exhale_v and_o they_o become_v more_o fix_v take_v barly-meal_n well_o sift_v with_o petroleum_n or_o rock-oyl_n then_o cut_v that_o paste_n in_o the_o middle_n and_o put_v all_o your_o stone_n in_o order_n so_o that_o they_o may_v not_o touch_v one_o another_o then_o cover_v your_o stone_n with_o the_o other_o half_a of_o the_o paste_n than_o put_v it_o in_o a_o crucible_n cover_v with_o another_o and_o lute_v well_o together_o and_o let_v it_o dry_v then_o set_v this_o crucible_n in_o a_o gradual_a wheel-fire_n from_o five_o to_o six_o hour_n a_o small_a fire_n the_o two_o first_o hour_n which_o increase_n from_o two_o to_o two_o hour_n till_o the_o end_n of_o the_o six_o then_o let_v the_o whole_a cool_a of_o itself_o then_o break_v your_o crucible_n and_o you_o will_v find_v your_o stone_n very_o fine_a shine_a and_o sparkle_v like_o fine_a diamond_n which_o repolish_a at_o the_o wheel_n and_o set_v by_o a_o skilful_a workman_n chap._n cxliii_o a_o way_n to_o harden_v crystal_n and_o diamond_n of_o alencon_n and_o to_o make_v they_o sparkle_v as_o much_o as_o natural_a oriental_a diamond_n although_o this_o be_v a_o important_a secret_n and_o ill_a people_n may_v commit_v cheat_n by_o it_o yet_o i_o will_v here_o give_v it_o for_o the_o sake_n of_o the_o curious_a who_o only_o seek_v for_o their_o own_o satisfaction_n take_v one_o pound_n of_o loadstone_n a_o pound_n of_o quicklime_n and_o half_a a_o
figure_n be_v draw_v or_o impress_v thereon_o and_o this_o may_v be_v so_o far_o improve_v and_o heighten_v as_o to_o admit_v of_o performance_n rather_o to_o be_v think_v the_o essay_n of_o a_o divine_a than_o human_a artist_n witness_v that_o notable_a piece_n of_o chariot_n draw_v by_o two_o ox_n of_o which_o cardan_n take_v notice_n in_o the_o fifty_o second_o chapter_n of_o his_o ten_o book_n which_o be_v so_o complete_o do_v in_o little_a that_o the_o whole_a may_v be_v cover_v with_o the_o wing_n of_o a_o fly_n the_o ship_n rig_v and_o man_n arm_v which_o howel_n say_v he_o see_v those_o little_a statue_n of_o man_n with_o several_a other_o curiosity_n of_o figure_n vormicus_fw-la also_o assure_v of_o not_o to_o omit_v the_o church_n of_o st._n mark_v at_o venice_n where_o the_o mosaick-work_a be_v plentiful_o interlace_v with_o history_n of_o all_o sort_n distinguishable_a by_o the_o variety_n of_o colour_n and_o gilding_n and_o all_o consist_v of_o several_a different_a subject_n in_o short_a what_o account_n agricola_n have_v leave_v we_o of_o these_o matter_n in_o his_o twelve_o book_n give_v we_o no_o less_o cause_n to_o admire_v this_o art_n than_o he_o have_v when_o he_o see_v such_o notable_a piece_n of_o which_o he_o make_v mention_n and_o which_o he_o assure_v we_o be_v deserve_o very_o great_a the_o use_n of_o enamel_n be_v very_o ancient_a however_o that_o of_o work_v on_o metal_n be_v more_o modern_a and_o for_o the_o great_a perfection_n to_o which_o it_o be_v arrive_v we_o be_v oblige_v to_o this_o present_a age_n as_o we_o shall_v further_o show_v in_o the_o seven_o book_n where_o we_o will_v also_o endeavour_v to_o discover_v further_o and_o make_v great_a improvement_n therein_o chap._n cxlviii_o to_o prepare_v the_o matter_n for_o enamel_n now_o we_o proceed_v to_o show_v the_o ingredient_n by_o which_o the_o principal_a matter_n for_o enamel_n be_v prepare_v before_o the_o colour_n can_v be_v apply_v of_o which_o we_o shall_v give_v direction_n in_o the_o follow_a chapter_n take_v lead_n in_o pig_n thirty_o pound_n plate-tin_n of_o cornwall_n thirty_o three_o pound_n mix_v and_o calcine_v they_o as_o direct_v for_o lead_n in_o chap._n lxxxi_o precise_o observe_v the_o direction_n there_o lay_v down_o this_o do_v fierce_o the_o calx_fw-la and_o put_v it_o all_o into_o a_o glaze_v earthen_a pot_n fill_v with_o water_n put_v it_o over_o a_o fire_n and_o let_v it_o boil_v a_o little_a then_o take_v it_o off_o and_o pour_v the_o water_n gentle_o into_o another_o vessel_n which_o will_v carry_v along_o with_o it_o the_o more_o subtle_a calx_fw-la repeat_v this_o until_o no_o more_o of_o the_o calx_fw-la can_v be_v subtilise_v which_o you_o may_v discover_v by_o the_o pureness_n of_o the_o water_n in_o pour_v it_o out_o of_o one_o vessel_n into_o the_o other_o after_o this_o calcine_v the_o remain_n of_o what_o be_v in_o the_o first_o pot_n as_o before_o and_o thus_o continue_v to_o calcine_v and_o subtilizetill_o you_o 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close_a dry_a place_n for_o use_n thus_o must_v your_o matter_n for_o enamel_n be_v prepare_v to_o receive_v the_o colour_n but_o of_o that_o more_o hereafter_o chap._n cxlix_o to_o make_v enamel_n of_o a_o milkwhite_a colour_n this_o colour_n of_o all_o other_o be_v the_o pure_a it_o be_v use_v for_o the_o ornament_n of_o virginity_n the_o emblem_n of_o innocence_n as_o also_o the_o symbol_n of_o candour_n and_o chastity_n nay_o more_o we_o may_v even_o from_o it_o form_n a_o pretty_a and_o impressive_a idea_n of_o the_o brightness_n and_o excellency_n of_o faith_n and_o it_o be_v what_o have_v ever_o be_v esteem_v and_o revere_v by_o all_o nation_n we_o have_v already_o show_v how_o to_o thing_fw-mi glass_n of_o this_o colour_n in_o chap._n lxx_o of_o the_o three_o book_n and_o now_o we_o will_v show_v how_o to_o perform_v the_o like_a on_o enamel_n with_o no_o less_o beauty_n and_o very_o easy_o thus_o take_v six_o pound_n of_o our_o prepare_a powder_n in_o the_o former_a chapter_n and_o forty_o eight_o grain_n of_o magnese_n of_o piedmont_n prepare_v as_o in_o chap._n xviii_o put_v they_o will_v together_o into_o one_o of_o your_o furnace-pot_n to_o melt_v and_o purify_v over_o a_o very_a swift_a fire_n which_o will_v be_v do_v in_o a_o little_a time_n the_o matter_n be_v thus_o melt_v take_v it_o out_o of_o the_o pot_n and_o throw_v it_o into_o very_o fair_a water_n and_o be_v afterward_o dry_v put_v it_o again_o into_o the_o pot_n to_o melt_v do_v thus_o with_o it_o thrice_o change_v the_o water_n when_o you_o have_v thus_o purify_v it_o if_o you_o find_v it_o just_o white_a it_o be_v good_a but_o if_o it_o be_v greenish_a add_v a_o little_a more_o magnese_n and_o it_o will_v become_v white_a as_o milk_n and_o fit_a enamel_n for_o gold_n or_o other_o metal_n take_v it_o off_o the_o fire_n and_o make_v it_o up_o into_o cake_n and_o keep_v they_o for_o use_v chap._n cl._n a_o turcoise-blue_a enamel_n this_o colour_n of_o the_o turcois_n or_o turkey-stone_n be_v very_o fine_a for_o enamel_n but_o withal_o very_o difficult_a to_o make_v well_o and_o require_v a_o great_a deal_n of_o experience_n now_o it_o be_v sufficient_o know_v that_o practice_n will_v at_o length_n make_v the_o most_o uneasy_a beginner_n master_n of_o their_o trade_n therefore_o we_o must_v not_o be_v discourage_v if_o we_o fail_v in_o our_o first_o trial_n because_o by_o continue_v to_o repeat_v they_o we_o shall_v at_o length_n be_v sure_a to_o perform_v well_o it_o be_v always_o suppose_v you_o understand_v your_o undertake_n and_o be_v sufficient_o qualify_v to_o distinguish_v when_o you_o be_v in_o the_o right_n or_o wrong_n or_o you_o can_v never_o hope_v to_o succeed_v for_o this_o cause_n we_o ought_v not_o to_o stand_v doze_v on_o every_o unsuccess_n for_o nature_n which_o never_o fail_v will_v still_o be_v ready_a to_o inform_v we_o provide_v we_o have_v judgement_n enough_o to_o determine_v her_o precept_n though_o we_o have_v take_v occasion_n from_o the_o turcois_n to_o make_v this_o digression_n here_o it_o may_v nevertheless_o be_v a_o convenient_a enough_o consideration_n in_o case_n of_o a_o sublime_a nature_n even_o in_o all_o the_o undertake_n of_o man._n since_o we_o be_v so_o natural_o apt_a to_o be_v impatient_a and_o disturb_v if_o we_o can_v effect_v those_o matter_n in_o as_o it_o be_v a_o moment_n of_o time_n which_o nature_n itself_o take_v a_o whole_a age_n to_o perform_v and_o this_o be_v what_o most_o arrest_v the_o accomplishment_n of_o our_o great_a design_n and_o impose_v on_o we_o a_o seem_a impossibility_n in_o the_o most_o easy_a thing_n thus_o obscurity_n interpose_v in_o the_o bright_a essay_n of_o the_o sun_n and_o we_o can_v enjoy_v one_o day_n though_o never_o so_o serene_a and_o fair_a that_o be_v not_o more_o or_o less_o over-shadowed_n with_o cloud_n thus_o far_o i_o have_v make_v my_o attempt_n on_o this_o thought_n which_o i_o hope_v the_o learned_a will_v free_o pardon_v because_o i_o have_v discourse_v nothing_o but_o truth_n and_o what_o they_o already_o be_v much_o more_o familiar_a with_o and_o satisfy_v of_o but_o now_o for_o our_o enamel_n which_o to_o make_v of_o this_o turcois_fw-fr 〈◊〉_d you_o must_v put_v of_o our_o prepare_a powder_n chap._n cxl●●●●_n six_o pound_n into_o a_o white_a glaze_v pot_n to_o melt_v and_o purify_v it_o then_o cast_v it_o into_o water_n and_o when_o dry_a put_v it_o again_o into_o the_o pot_n and_o be_v melt_v over_o again_o add_v to_o it_o at_o four_o time_n this_o composition_n scale_n of_o copper_n thrice_o calcine_v as_o in_o chap._n xxxiv_o three_o ounce_n of_o prepare_a zaffer_n eighty_o six_o grain_n of_o 〈◊〉_d prepare_v as_o in_o book_n i._n forty_o eight_o grain_n all_o these_o mix_v and_o reduce_v into_o a_o very_a fine_a powder_n stir_v the_o matter_n
fine_o and_o you_o will_v have_v a_o blackish_a powder_n reiterate_v this_o calcination_n thrice_o with_o the_o like_a proportion_n of_o sulphur_n as_o before_o and_o the_o three_o time_n let_v it_o remain_v until_o the_o copper_n become_v red_a and_o yellow_a then_o take_v it_o off_o and_o pound_n it_o in_o a_o brass-mortar_n and_o searce_v it_o fine_o pound_v what_o remain_v over_o again_o until_o all_o be_v sear_v and_o you_o will_v have_v a_o very_a well_o colour_v calx_fw-la of_o copper_n most_o effectual_a and_o proper_a for_o extract_v this_o fair_a vitriol_n of_o copper_n whereof_o we_o will_v give_v the_o preparation_n in_o the_o next_o chapter_n chap._n clxxvii_o to_o make_v vitriol_n of_o venus_n without_o corrosive_n those_o who_o make_v vitriol_n of_o venus_n have_v not_o all_o one_o and_o the_o same_o method_n most_o of_o they_o dissolve_v the_o copper_n in_o distil_a vinegar_n spirit_n of_o nitre_n or_o some_o other_o corrosive_n for_o our_o part_n water_n alone_o be_v the_o dissolvent_a or_o rather_o agent_n to_o extract_v the_o tincture_n as_o we_o shall_v show_v take_v glass_n cucurbit_n as_o many_o as_o will_v serve_v your_o turn_n to_o contain_v all_o your_o calx_fw-la of_o copper_n and_o put_v six_o pound_n of_o fair_a run_a water_n to_o a_o pound_n of_o calx_fw-la into_o each_o cucurbite_n place_v they_o on_o a_o moderate_a sand-furnace_n for_o four_o hour_n to_o evaporate_v until_o one_o three_o of_o the_o water_n go_v off_o let_v the_o furnace_n cool_v and_o afterward_o decant_v the_o remainder_n of_o the_o water_n into_o other_o glass_n vessel_n and_o dry_a the_o sediment_n in_o a_o crucible_n on_o the_o furnace_n let_v this_o water_n settle_v for_o two_o day_n and_o then_o you_o will_v find_v in_o the_o bottom_n of_o the_o vessel_n small_a grain_n of_o copper_n of_o a_o blackish_a colour_n you_o must_v filtrate_a or_o strain_v the_o water_n and_o preserve_v all_o the_o grain_n together_o to_o add_v to_o the_o former_a sediment_n have_v first_o well_n dry_v they_o and_o keep_v the_o water_n take_v all_o these_o sediment_n and_o to_o each_o pound_n add_v six_o ounce_n of_o powder_n of_o sulphur_n as_o before_o put_v it_o into_o your_o flat-bottomed_a earthen_a pot_n to_o calcine_v as_o in_o the_o former_a chapter_n take_v care_n to_o stir_v it_o well_o as_o long_o as_o the_o sulphur_n fume_n and_o it_o stand_v over_o the_o fire_n else_o it_o will_v stick_v to_o the_o pot_n and_o not_o calcine_v take_v it_o off_o and_o powder_v it_o immediate_o in_o a_o brass-mortar_n searce_v the_o powder_n and_o you_o will_v find_v it_o black_a mix_v this_o again_o with_o sulphur_n proportionable_o six_o ounce_n to_o a_o pound_n and_o put_v it_o to_o calcine_v anew_o stir_v it_o very_o well_o as_o before_o direct_v let_v it_o stand_v a_o while_n on_o the_o fire_n to_o alter_v the_o matter_n from_o a_o russet_a to_o a_o yellow_a then_o take_v it_o off_o and_o pound_v it_o instant_o in_o a_o brass-mortar_n before_o it_o cool_v and_o then_o searce_v it_o all_o fine_o over_o put_v a_o pound_n of_o this_o powder_n with_o six_o pound_n of_o water_n into_o each_o cucurbit_n and_o these_o cucurbit_n on_o a_o slow_a sand-furnace_n where_o let_v it_o stand_v four_o hour_n to_o the_o consumption_n of_o one_o three_o of_o your_o water_n which_o decant_v into_o other_o vessel_n let_v it_o settle_v two_o day_n then_o filtrate_a these_o water_n and_o pour_v they_o among_o the_o former_a gather_v the_o sediment_n that_o remain_v in_o the_o bottom_n and_o mix_v they_o with_o these_o in_o the_o cucurbit_n dry_v the_o remain_a sediment_n as_o before_o and_o repeat_v the_o calcination_n anew_o with_o the_o same_o proportionable_a quantity_n of_o sulphur_n then_o extract_v the_o tincture_n filtrate_a and_o mix_v the_o filtrate_v and_o tinged_a water_n with_o the_o former_a exact_o observe_v the_o order_n already_o teach_v and_o continue_v to_o do_v thus_o six_o time_n so_o will_v the_o copper_n remain_v in_o the_o bottom_n of_o your_o vessel_n become_v as_o it_o be_v a_o soft_a impure_a earth_n deprive_v of_o all_o its_o blueness_n which_o throw_v away_o as_o fit_v for_o nothing_o for_o all_o the_o virtue_n of_o the_o copper_n be_v contain_v in_o the_o water_n put_v these_o all_o careful_o together_o to_o extract_v from_o they_o this_o precious_a vitriol_n of_o venus_n as_o hereafter_o direct_v chap._n clxxviii_o the_o way_n to_o extract_v a_o fair_a vitriol_n of_o venus_n from_o our_o our_o colour_a water_n of_o all_o the_o preparation_n to_o be_v teach_v for_o this_o rare_a work_n this_o be_v the_o most_o easy_a and_o vulgar_a there_o be_v no_o more_o require_v than_o to_o evaporate_v and_o crystalize_v the_o matter_n but_o as_o we_o be_v to_o leave_v nothing_o in_o the_o dark_a we_o resolve_v to_o explain_v every_o circumstance_n thereof_o for_o the_o benefit_n of_o our_o reader_n and_o such_o as_o will_v know_v it_o we_o have_v say_v you_o must_v mix_v together_o all_o your_o colour_a water_n now_o we_o will_v tell_v you_o what_o must_v be_v do_v with_o they_o you_o must_v have_v a_o low_a glasscucurbit_a that_o will_v hold_v two_o quart_n paris_n pint_n or_o more_o which_o put_v into_o a_o moderate_a ash_n or_o sand-furnace_n put_v therein_o three_o pound_n of_o the_o tincture_n to_o evaporate_v gentle_o and_o put_v the_o rest_n into_o glass-bottle_n set_v round_o your_o furnace_n so_o that_o they_o may_v be_v heat_v and_o ready_a to_o fill_v the_o cucurbit_n as_o fast_o as_o the_o exhalation_n consume_v its_o tincture_n which_o may_v be_v do_v with_o a_o glass_n ladle_n or_o the_o bottle_n themselves_o lest_o the_o water_n be_v cold_a may_v cause_v the_o cucurbit_n to_o burst_v and_o so_o all_o will_v be_v lose_v reduce_v ten_o pound_n of_o this_o by_o evaporation_n to_o two_o and_o half_a or_o three_o at_o most_o which_o will_v be_v a_o very_a high_a tincture_n pour_v it_o into_o two_o or_o three_o glaze_v earthen_a vessel_n and_o place_v they_o all_o night_n in_o a_o moist_a cold_a place_n and_o you_o will_v find_v the_o vitriol_n at_o bottom_n and_o stick_v to_o the_o side_n of_o the_o vessel_n like_o little_a long_a icicle_n which_o will_v have_v the_o true_a colour_n of_o oriental_a emerald_n pour_v all_o the_o remain_a water_n into_o the_o cucurbit_n and_o dry_a the_o vitriol_n that_o it_o may_v not_o stick_v preserve_v it_o in_o a_o close_a vessel_n place_v your_o cucurbit_n again_o on_o the_o furnace_n to_o evaporate_v anew_o at_o the_o consumption_n of_o half_a the_o water_n and_o crystalize_v the_o strong_a tincture_n as_o before_o thus_o whilst_o any_o water_n remain_v evaporate_v and_o crystalize_v until_o all_o be_v consume_v to_o the_o end_n that_o none_o of_o this_o may_v be_v lose_v who_o virtue_n be_v infinite_o useful_a not_o only_o in_o the_o art_n of_o glass_n and_o the_o metallick_n but_o in_o physic_n too_o for_o the_o cure_n of_o many_o chronic_a distemper_n which_o we_o pass_v over_o in_o silence_n as_o foreign_a to_o our_o subject_n and_o continue_v to_o prescribe_v the_o rest_n of_o this_o rare_a work_n to_o conceal_v nothing_o from_o the_o curious_a but_o give_v they_o entire_a satisfaction_n chap._n clxxix_o the_o method_n of_o draw_v the_o spirit_n of_o the_o vitriol_n of_o venus_n which_o have_v a_o wonderful_a blue_n and_o how_o to_o separate_v the_o caput_fw-la mortuum_n for_o ting_v of_o glass_n the_o caput_fw-la mortuum_n of_o vitriol_n of_o venus_n which_o we_o prescribe_v to_o thing_fw-mi glass_n of_o a_o sea-green_a and_o whereof_o we_o discourse_v in_o chap._n 45._o have_v engage_v we_o to_o give_v this_o most_o excellent_a and_o hide_a secret_n of_o nature_n which_o the_o philosopher_n have_v never_o explain_v but_o by_o ambiguous_a riddle_n and_o veil_v parable_n to_o conceal_v the_o knowledge_n thereof_o from_o the_o vulgar_a we_o confess_v it_o be_v not_o without_o some_o regret_n we_o condescend_v to_o it_o in_o this_o ungrateful_a age_n wherein_o very_a few_o deserve_v to_o be_v instruct_v or_o true_o admire_v and_o so_o perfect_o love_v the_o mystery_n of_o sage_a philosophy_n as_o to_o imitate_v the_o virtue_n and_o charity_n of_o its_o devote_a professor_n it_o be_v however_o in_o consideration_n and_o for_o the_o sake_n of_o this_o small_a number_n of_o votary_n that_o we_o have_v explain_v and_o deliver_v many_o excellent_a thing_n in_o this_o book_n which_o we_o may_v but_o out_o of_o regard_n to_o such_o have_v lay_v aside_o as_o foreign_a to_o the_o art_n of_o glass_n but_o our_o desire_n to_o please_v they_o have_v promote_v the_o open_v these_o intricate_a path_n and_o leave_v they_o in_o a_o condition_n to_o be_v enlarge_v by_o our_o small_a discovery_n under_o the_o serious_a speculation_n and_o smart_a issue_n of_o their_o own_o wit._n now_o to_o finish_v our_o precious_a essay_n you_o must_v take_v a_o pound_n of_o this_o vitriol_n into_o a_o glass_n retort_n strong_o
the_o sunshine_n for_o five_o or_o six_o day_n shake_v the_o bottle_n well_o three_o or_o four_o time_n a_o day_n that_o the_o pure_a enamel_n may_v dissolve_v and_o the_o grosser_n fall_n to_o the_o bottom_n take_v the_o enamel_n out_o of_o your_o bottle_n and_o steep_v the_o face_n let_v they_o precipitate_v as_o useless_a then_o evaporate_v your_o aquavitae_a and_o dry_v your_o azure_a which_o will_v be_v a_o very_a fine_a well_o cleanse_v matter_n for_o all_o sort_n of_o this_o work_n grind_v it_o after_o on_o your_o marble_n this_o enamel_n so_o prepare_v be_v most_o proper_a for_o paint_v and_o far_o beyond_o the_o ultra_fw-la marine_n so_o much_o make_v use_n of_o we_o shall_v in_o the_o ten_o book_n prescribe_v some_o other_o excellent_a method_n to_o make_v blue_n very_o fine_a with_o a_o receipt_n for_o ultra_fw-la marine_n and_o several_a other_o colour_n in_o favour_n of_o those_o who_o affect_v that_o noble_a art_n of_o limn_v chap._n cxci_o a_o red_a paint_n for_o enamel_n there_o can_v nothing_o exceed_v the_o perfection_n of_o our_o enamel_n of_o this_o colour_n teach_v in_o eight_o several_a chapter_n of_o the_o six_o book_n the_o like_a may_v be_v say_v of_o our_o blood-colour_n ruby_n rose_n and_o carbuncle_n which_o be_v the_o most_o exalt_a ingredient_n for_o enamel_v metal_n or_o make_v paint_n on_o enamel_n and_o those_o who_o practise_v this_o fine_a art_n use_v no_o other_o than_o that_o of_o the_o glass-house_n or_o such_o as_o they_o make_v according_o now_o this_o red_a enamel_n be_v prepare_v as_o the_o other_o colour_n with_o aquafortis_n to_o purify_v it_o wash_v dry_a and_o ground_n with_o oil_n of_o spike_n for_o your_o use_n there_o be_v yet_o another_o tolerable_a red_a which_o they_o paint_v with_o on_o enamel_n in_o which_o be_v employ_v calcine_v gold_n but_o this_o will_v be_v much_o more_o improve_v if_o instead_o of_o their_o rocaille_n they_o make_v use_v of_o our_o matter_n make_v of_o crystal_n and_o saturnus_n glorificatus_fw-la in_o chap._n 113._o or_o of_o our_o principal_a prepare_a powder_n prescribe_v all_o along_o the_o six_o book_n for_o these_o be_v exceed_v well_o purify_v whereas_o the_o rocaille_n have_v too_o great_a a_o surcharge_n of_o lead_n the_o impurity_n whereof_o always_o render_v the_o work_n defective_a see_v here_o their_o way_n of_o calcine_v gold_n which_o be_v not_o near_o so_o fine_a as_o that_o we_o have_v give_v chap._n 115._o and_o as_o there_o be_v a_o hundred_o several_a way_n so_o every_o man_n make_v use_v of_o his_o own_o as_o most_o excellent_a and_o think_v it_o better_o than_o another_o one_o take_v a_o ounce_n of_o fine_a gold_n in_o very_o thin_a plate_n these_o dissolve_v in_o eight_o ounce_n of_o aquafortis_n and_o regulate_v with_o sal-armoniack_a or_o old_a strong_a salt_n in_o a_o small_a glass_n matrass_n this_o be_v put_v into_o a_o glasscucurbit_a wherein_o be_v already_o pour_v eight_o paris_n pint_n of_o spring-water_n and_o six_o ounce_n of_o mercury_n the_o cucurbit_n be_v place_v on_o a_o still_a fire_n and_o after_o four_o and_o twenty_o hour_n the_o gold_n descend_v to_o the_o bottom_n in_o a_o light_a landred_n powder_n than_o the_o water_n be_v pour_v off_o leisurely_o into_o a_o earthen_a glaze_v receiver_n or_o pan_n and_o the_o powder_n gather_v and_o dry_v by_o a_o moderate_a heat_n and_o with_o a_o chamois_n skin_n they_o separate_v the_o mercury_n from_o the_o gold_n and_o grind_v this_o powder_n with_o twice_o its_o weight_n of_o flower_n of_o sulphur_n together_o and_o then_o put_v all_o into_o a_o crucible_n over_o a_o small_a fire_n where_o the_o sulphur_n will_v communicate_v itself_o with_o the_o rest_n and_o then_o evaporate_n they_o find_v the_o powder_n somewhat_o ruddy_a which_o ground_n with_o rocaille_n be_v what_o they_o make_v use_v of_o on_o the_o enamel_n we_o own_o this_o calcination_n to_o be_v tolerable_a as_o to_o the_o gold_n but_o as_o for_o mix_v the_o calx_fw-la with_o the_o rocaille_n without_o melt_v they_o together_o to_o incorporate_v be_v disputable_a we_o believe_v that_o in_o grind_v they_o together_o with_o oil_n of_o spike_n they_o may_v in_o some_o sort_n incorporate_a as_o other_o colour_n but_o can_v never_o so_o perfect_o unite_v beside_o the_o crystal_n matter_n do_v not_o so_o well_o receive_v the_o colour_n of_o the_o gold_n this_o way_n as_o if_o it_o be_v do_v by_o fusion_n other_o make_v red_a incline_n to_o vermilion_n which_o they_o use_v in_o paint_v after_o this_o manner_n take_v vitriol_n calcine_v in_o two_o crucible_n well_o lute_v together_o and_o set_v for_o a_o hour_n over_o a_o flow_n fire_n then_o purge_v it_o with_o aquafortis_n wash_v it_o in_o fair_a water_n and_o grind_v it_o with_o oil_n of_o spike_n as_o before_o and_o so_o make_v use_n of_o it_o for_o enamel_n all_o red_a enamel_n which_o be_v good_a aught_o to_o be_v hard_a and_o not_o easy_o consume_v in_o the_o fire_n for_o that_o which_o be_v otherwise_o contain_v much_o lead_n and_o soon_o become_v dull_a and_o sully_v and_o be_v not_o of_o so_o last_a a_o substance_n which_o the_o workman_n ought_v to_o be_v cautious_a of_o to_o finish_v the_o preparation_n of_o enamel_n and_o before_o the_o manner_n of_o paint_v they_o be_v prescribe_v take_v notice_n that_o all_o the_o colour_n before_o mention_v which_o be_v not_o pure_a enamel_n aught_o to_o be_v incorporate_v with_o a_o crystalline_a matter_n such_o as_o we_o prescribe_v in_o chap._n 148._o to_o the_o end_n they_o may_v vitrifie_v the_o better_a which_o else_o they_o will_v not_o easy_o do_v the_o most_o workman_n make_v use_n of_o their_o rocaille_n whether_o to_o avoid_v the_o trouble_n of_o make_v or_o that_o they_o be_v ignorant_a how_o to_o prepare_v a_o better_a matter_n and_o this_o have_v oblige_v we_o to_o give_v several_a way_n very_o good_a and_o true_a for_o their_o purpose_n to_o make_v fine_a and_o perfect_a work_n by_o chap._n cxcii_o the_o way_n to_o paint_n on_o enamel_n this_o art_n be_v revere_v by_o all_o nation_n it_o be_v so_o fine_a and_o so_o excellent_a that_o the_o first_o and_o noble_a person_n of_o the_o world_n practice_v in_o it_o as_o we_o have_v say_v elsewhere_o it_o be_v certain_a that_o the_o art_n of_o paint_v on_o enamel_n be_v modern_a but_o no_o less_o estimable_a for_o that_o since_o its_o effect_n be_v so_o wonderful_o beautiful_a so_o infinite_o last_v of_o so_o natural_a a_o gloss_n and_o their_o splendour_n never_o to_o be_v deface_v if_o it_o be_v possible_a to_o make_v large_a work_n of_o enamel_n as_o be_v do_v in_o picture_n they_o will_v be_v inestimable_a because_o of_o their_o lustre_n and_o so_o far_o surpass_v what_o antiquity_n have_v have_v such_o great_a respect_n for_o and_o which_o these_o latter_a age_n still_o caress_n with_o extraordinary_a esteem_n this_o way_n of_o paint_v on_o enamel_n seem_v much_o more_o difficult_a than_o limn_v practise_v however_o convince_v we_o that_o they_o be_v equal_o easy_a and_o we_o can_v with_o as_o little_a trouble_n represent_v any_o history_n on_o enamel_n as_o in_o limn_v the_o difference_n lie_v only_o in_o prepare_v the_o colour_n which_o be_v not_o do_v the_o same_o way_n for_o we_o dry_a and_o varnish_v our_o enamel-paint_a by_o fire_n whereas_o that_o in_o limn_v be_v do_v by_o the_o air._n to_o paint_v on_o enamel_n you_o must_v have_v a_o plate_n of_o gold_n enamel_v with_o white_a on_o which_o delineate_v and_o portray_v your_o design_n this_o do_v draw_v it_o over_o again_o in_o dark_a red_a the_o piece_n be_v perfect_o do_v off_o and_o the_o line_n complete_a to_o the_o subject_a set_v the_o tablet_n or_o piece_n in_o the_o muffle_v on_o a_o reverberatory_n fire_n to_o settle_v as_o before_o direct_v your_o tablet_n be_v take_v out_o apply_v the_o colour_n in_o a_o just_a order_n as_o in_o limn_v with_o this_o difference_n only_o that_o here_o you_o make_v your_o white_a ground_n serve_v for_o fill_v where_o that_o colour_n be_v require_v to_o set_v off_o the_o heightning_n and_o lustre_n of_o the_o light_n as_o be_v do_v in_o miniature_n and_o because_o it_o mighty_o contribute_v to_o the_o heighten_v thereof_o in_o the_o other_o colour_n as_o to_o improve_n their_o light_n we_o have_v give_v a_o most_o excellent_a receipt_n in_o chap._n 187._o which_o very_o excellent_o serve_v upon_o this_o occasion_n when_o the_o piece_n be_v thus_o finish_v put_v it_o again_o into_o the_o furnace_n to_o fix_v the_o colour_n and_o as_o soon_o as_o you_o perceive_v it_o varnish_v or_o polish_v draw_v it_o out_o least_o the_o colour_n mix_v and_o spoil_v each_o other_o you_o may_v take_v out_o the_o work_n again_o and_o revise_v it_o as_o often_o as_o you_o please_v only_o put_v it_o still_o into_o the_o furnace_n until_o it_o receive_v its_o just_a gloss_n etc._n etc._n this_o way_n of_o
necessary_a property_n and_o those_o which_o seem_v the_o most_o abject_a and_o venomous_a even_o the_o great_a poison_n have_v admirable_a effect_n in_o medicine_n when_o due_o prepare_v and_o this_o the_o professor_n of_o physic_n be_v not_o unacquainted_a withal_o though_o very_o many_o pretend_v to_o those_o study_n who_o endeavour_n be_v far_o short_a of_o hand_v they_o through_o the_o secret_a excellency_n thereof_o chap._n ccxix_o how_o to_o extract_n lake_n from_o broom-flower_n we_o will_v give_v several_a way_n of_o make_v lake_n of_o several_a colour_n the_o first_o with_o a_o lixivium_n or_o lee_n make_v of_o soda_fw-it of_o the_o glass-house_n and_o fresh_a quicklime_n which_o must_v be_v pretty_a strong_a in_o which_o put_v your_o broom-flower_n over_o a_o small_a fire_n until_o all_o the_o tincture_n be_v draw_v from_o they_o the_o flower_n become_v white_a and_o the_o lee_n receive_v the_o yellow_a colour_n then_o take_v out_o the_o flower_n and_o put_v the_o lixivium_n into_o a_o glaze_v earthen_a vessel_n to_o boil_v add_v thereto_o as_o much_o roch-allom_n as_o it_o can_v well_o dissolve_v then_o take_v it_o off_o and_o put_v it_o into_o a_o large_a vessel_n mix_v it_o with_o fair_a water_n so_o the_o yellow_a will_v separate_v and_o descend_v to_o the_o bottom_n let_v it_o rest_v there_o a_o little_a and_o afterward_o decant_v the_o water_n off_o gentle_o and_o so_o put_v in_o more_o fresh_a to_o it_o again_o and_o again_o until_o the_o water_n have_v draw_v off_o all_o the_o salt_n and_o allom_n from_o the_o lixivium_n and_o it_o become_v clear_a thus_o the_o colour_n will_v be_v very_o well_o cleanse_v of_o the_o salt_n and_o allom_n and_o remain_v exceed_o fine_a and_o bright_a spread_v it_o on_o piece_n of_o white_a linen_n and_o let_v it_o dry_v in_o the_o shade_n on_o new-baked_n tile_n and_o you_o will_v have_v a_o most_o admirable_a yellow-lake_n for_o paint_v chap._n ccxx_o to_o extract_v the_o tincture_n of_o poppy_n iris_n or_o flower-de-luce_n red-rose_n violet_n and_o all_o sort_n of_o greenherb_n for_o make_v lake_n of_o their_o colour_n to_o avoid_v unnecessary_a repetition_n we_o have_v think_v fit_a to_o bring_v all_o these_o under_o one_o chapter_n because_o the_o method_n for_o extract_v their_o colour_n be_v the_o same_o in_o one_o as_o in_o other_o and_o do_v with_o the_o former_a lixivium_n of_o soda_fw-it and_o quicklime_n you_o must_v steep_v and_o boil_v each_o sort_n of_o flower_n or_o herb_n by_o themselves_o in_o the_o lixivium_n give_v it_o time_n to_o draw_v off_o the_o colour_n entire_o which_o you_o will_v soon_o perceive_v when_o the_o faeces_fw-la or_o flower_n grow_v white_a and_o the_o lixivium_n deepen_v with_o the_o tincture_n then_o pour_v off_o the_o lixivium_n gentle_o into_o your_o earthen_a glaze_v vessel_n and_o set_v they_o over_o a_o fire_n put_v in_o as_o soon_o as_o they_o begin_v to_o boil_v as_o much_o roch-allom_n as_o they_o can_v well_o dissolve_v and_o so_o take_v they_o off_o after_o this_o pour_v all_o together_o into_o a_o large_a earthen_a vessel_n glaze_v and_o pour_v into_o it_o fair_a water_n to_o make_v the_o colour_n precipitate_v let_v it_o stand_v and_o settle_v then_o pour_v off_o the_o water_n and_o put_v in_o fresh_a and_o thus_o continue_v to_o change_v the_o water_n until_o it_o pour_v off_o as_o clear_a as_o you_o put_v it_o in_o and_o taste_v flat_a or_o insipid_a so_o as_o you_o may_v conclude_v all_o the_o soda_fw-it salt_n of_o alom_n and_o lime_n be_v draw_v off_o thus_o you_o will_v have_v at_o the_o bottom_n a_o very_a fine_a tincture_n to_o make_v a_o pure_a and_o delicate_a lake_n withal_o of_o the_o same_o colour_n as_o your_o flower_n or_o herb_n that_o be_v use_v spread_v it_o on_o piece_n of_o linen_n dry_v they_o in_o the_o shade_n on_o new-baked_n tile_n as_o before_o after_o the_o same_o manner_n you_o may_v draw_v any_o other_o lake_n from_o whatsoever_o colour_a herb_n or_o flower_n you_o please_v chap._n ccxxi_o another_o way_n to_o extract_n the_o tincture_n of_o yellow_a flower_n of_o field-poppy_n iris_n ordinary_a and_o deep_a colour_a violet_n carnation_n and_o red-rose_n borrageflower_v red-colewort_n flag_n etc._n etc._n together_o with_o the_o verditer_n of_o mallow_n burnet_n and_o other_o herb_n we_o shall_v not_o give_v the_o same_o in_o this_o as_o in_o the_o forego_n chapter_n that_o preparation_n be_v common_a to_o all_o those_o in_o the_o title_n thereof_o and_o so_o be_v this_o to_o these_o to_o avoid_v prolixity_n and_o repetition_n you_o must_v have_v the_o flower_n or_o herb_n new_o gather_v fresh_a enough_o to_o stain_v a_o card_n with_o their_o juice_n press_v thereon_o else_o they_o will_v not_o serve_v your_o turn_n put_v these_o into_o a_o glass_n cucurbit_n with_o a_o pretty_a large_a mouth_n pour_v in_o among_o they_o good_a strong-water_n to_o drown_v they_o by_o four_o inch_n join_v a_o recipient_a to_o it_o and_o lute_z the_o joint_n very_o well_o let_v they_o dry_a this_o do_v place_v the_o alembick_a on_o a_o sand_n furnace_n keep_v a_o very_a gentle_a fire_n under_o it_o give_v the_o matter_n time_n to_o digest_v increase_v it_o by_o very_o little_a and_o little_a and_o so_o the_o strong-water_n will_v rise_v on_o the_o leave_n and_o draw_v off_o the_o colour_n then_o improve_v your_o fire_n to_o distil_v your_o tinged_a strong-water_n into_o the_o recipient_a out_o of_o which_o you_o must_v take_v and_o put_v they_o into_o another_o alembick_a lute_v well_o the_o jointure_n and_o let_v it_o distil_v in_o balneo_fw-la or_o over_o a_o very_a slow_a ash-fire_n and_o the_o strong-water_n will_v distil_v off_o in_o their_o own_o colour_n without_o any_o tincture_n and_o may_v be_v keep_v for_o the_o like_a occasion_n again_o the_o essence_n you_o will_v have_v at_o the_o bottom_n of_o the_o cucurbit_n let_v it_o dry_v gentle_o thus_o you_o may_v have_v lake_n from_o all_o manner_n of_o herb_n and_o flower_n whatsoever_o chap._n ccxxii_o to_o make_v a_o scarlet-coloured_a lake_n the_o design_n of_o this_o chapter_n be_v only_o to_o order_v the_o first_o preparation_n for_o obtain_v our_o scarlet-colour_n whereof_o we_o will_v make_v a_o very_a delicate_a lake_n take_v shearing_n of_o white_a woollen-drapery_n let_v they_o be_v fine_a as_o possible_a steep_v they_o a_o whole_a day_n in_o cold_a water_n press_v they_o afterward_o very_o well_o to_o take_v off_o all_o the_o greasiness_n and_o allume_v it_o thus_o put_v four_o ounce_n of_o roch-allom_n and_o two_o ounce_n of_o crude_a tartar_n in_o powder_n into_o a_o small_a kettle_n pour_v thereon_o two_o quart_n of_o water_n when_o this_o begin_v to_o boil_v put_v to_o they_o one_o pound_n of_o the_o shearing_n and_o so_o let_v it_o boil_v a_o full_a half-hour_n afterward_o take_v it_o off_o and_o cool_v it_o for_o six_o hour_n take_v out_o the_o shearing_n and_o wash_v they_o in_o clean_a water_n leave_v they_o to_o steep_v about_o two_o hour_n press_v they_o after_o this_o and_o dry_v they_o keep_v they_o for_o the_o use_n we_o shall_v prescribe_v in_o the_o next_o chapter_n chap._n ccxxiii_o to_o extract_n scarlet-colour_n from_o kerm-berry_n for_o make_v a_o fine_a lake_n the_o name_n of_o kermes_n be_v pure_o arabic_a for_o in_o that_o country_n these_o berry_n grow_v on_o a_o small_a tree_n or_o shrub_n and_o from_o that_o their_o native_a soil_n be_v transplant_v into_o spain_n portugal_n provence_n and_o languedoc_n where_o they_o now_o be_v plentiful_a several_a will_v persuade_v we_o that_o it_o be_v a_o sort_n of_o oak_n call_v in_o latin_a coccigera_n but_o the_o leave_n which_o be_v prickle_a like_o those_o on_o holly_n only_o small_a show_v we_o the_o contrary_a these_o grain_n or_o berry_n have_v several_a other_o use_n than_o in_o paint_v be_v of_o excellent_a virtue_n in_o physic_n of_o they_o the_o apothecary_n make_v their_o syrup_n call_v alkerme_n and_o from_o the_o remainder_n of_o they_o which_o be_v leave_v behind_o in_o the_o strainer_n they_o draw_v a_o substance_n for_o the_o dyer_n which_o be_v use_v in_o colour_v of_o stuff_n several_a way_n may_v be_v give_v to_o extract_v the_o tincture_n of_o these_o grain_n for_o make_v lake_n we_o will_v only_o insist_v on_o two_o the_o first_o be_v indifferent_a long_a but_o very_o excellent_a and_o produce_v a_o tincture_n whereby_o i●_n make_v a_o most_o admirable_a fine_a lake_n the_o way_n of_o make_v the_o lake_n in_o france_n be_v very_o modern_a and_o it_o be_v but_o of_o late_o they_o have_v have_v this_o secret_a in_o paris_n which_o be_v bring_v from_o venice_n now_o since_o few_o be_v familiar_a with_o it_o we_o be_v willing_a to_o publish_v this_o that_o many_o may_v know_v how_o to_o wor●_n therein_o take_v four_o quart_n of_o clear_a water_n and_o four_o pound_n of_o wheaten-bran_n two_o dram_fw-la of_o oriental_n piraster_n and_o as_o much_o foenugrec_n
set_v all_o in_o a_o kettle_n over_o a_o fire_n till_o the_o water_n be_v milk-warm_a keep_v your_o hand_n in_o it_o until_o you_o can_v bear_v the_o heat_n no_o long_o then_o take_v it_o off_o cover_v it_o with_o a_o cloth_n that_o the_o heat_n may_v continue_v the_o long_o let_v it_o repose_v for_o twenty_o four_o hour_n then_o run_v off_o the_o lixivium_n and_o keep_v it_o for_o the_o follow_a purpose_n get_v a_o clean_a earthen-pot_n and_o put_v therein_o three_o quart_n of_o fair_a water_n to_o half_a the_o lixivium_n order_n a_o fire_n and_o let_v this_o boil_v thereon_o which_o when_o it_o begin_v to_o do_v put_v in_o a_o ounce_n of_o the_o grain_n pound_v impalpable_o in_o a_o brass-mortar_n and_o sear_v then_o pound_n a_o little_a crude_a tartar_n to_o take_v off_o the_o remain_a part_n of_o the_o grain_n on_o the_o bottom_n and_o side_n of_o your_o mortar_n and_o so_o put_v it_o in_o with_o the_o grain_n when_o the_o water_n begin_v to_o boil_v again_o take_v it_o off_o in_o a_o instant_n and_o set_v it_o to_o cool_v this_o do_v and_o the_o water_n cold_a take_v the_o shearing_n prepare_v in_o the_o former_a chapter_n and_o let_v they_o stain_v therein_o about_o half_a a_o hour_n afterward_o squeeze_v it_o into_o another_o pot_n by_o expression_n and_o after_o you_o have_v thus_o draw_v off_o all_o the_o tincture_n put_v the_o shearing_n into_o the_o last_o pot_n stir_v they_o about_o very_o well_o with_o a_o small_a stick_n that_o they_o may_v stain_v the_o soon_o boil_v all_o for_o about_o half_a a_o hour_n over_o a_o small_a fire_n else_o the_o tincture_n will_v become_v black_a then_o take_v the_o shearing_n out_o and_o put_v they_o well_o tinge_v into_o a_o vessel_n of_o cold_a water_n about_o half_a a_o hour_n after_o pour_v off_o the_o water_n gentle_o and_o so_o put_v fresh_a on_o again_o then_o press_v and_o spread_v they_o to_o dry_v in_o a_o clean_a place_n where_o no_o dust_n can_v come_v at_o they_o this_o do_v make_v the_o follow_a lixivium_n put_v on_o a_o hempen-cloth_n double_v vine-stalk-ash_n or_o ash_n of_o willow_n or_o some_o other_o light_a wood_n pour_v thereon_o by_o degree_n cold_a water_n let_v it_o strain_v through_o into_o a_o vessel_n set_v underneath_o pour_v it_o again_o on_o the_o ash_n and_o when_o it_o be_v all_o run_v through_o set_v it_o to_o settle_v for_o twenty_o four_o hour_n that_o the_o ash_n which_o it_o carry_v off_o may_v fall_v to_o the_o bottom_n this_o do_v pour_v the_o lixivium_n by_o degree_n into_o another_o vessel_n reject_v the_o sediment_n put_v your_o shearing_n into_o this_o have_v warm_v it_o when_o it_o begin_v to_o be_v cold_a let_v it_o boil_v over_o a_o gentle_a fire_n and_o it_o will_v become_v red_a take_v a_o little_a of_o the_o shearing_n press_v they_o well_o and_o if_o it_o remain_v without_o colour_n take_v off_o the_o kettle_n immediate_o for_o the_o lixivium_n have_v extract_v it_o entire_o spread_v a_o linen-cloth_n over_o a_o freestone_n bowl_n set_v the_o shearing_n therein_o and_o pour_v on_o the_o lixivium_n by_o little_a and_o little_a to_o strain_v and_o yield_v the_o tincture_n then_o squeeze_v the_o cloth_n and_o the_o shearing_n therein_o to_o press_v out_o all_o the_o colour_n that_o remain_v in_o they_o throw_v away_o the_o cloth_n wash_v the_o shearing_n clean_a and_o keep_v they_o for_o the_o like_a use_n another_o time_n then_o put_v twelve_o ounce_n of_o roch-allom_n well_o powder_v into_o a_o glass_n body_n full_a of_o cold_a water_n let_v it_o dissolve_v quite_o when_o this_o be_v perfect_o do_v spread_v a_o linen-cloth_n over_o two_o staff_n and_o set_v underneath_o a_o large_a freestone_n vessel_n put_v all_o the_o allom-water_n into_o the_o bottle_n of_o tincture_n and_o strain_v it_o afterward_o through_o this_o cloth_n the_o lixivium_n will_v go_v through_o it_o clear_v and_o leave_v the_o colour_n behind_o but_o if_o it_o shall_v not_o be_v colour_v it_o be_v only_o strain_v it_o through_o again_o and_o you_o will_v have_v do_v now_o to_o get_v the_o tincture_n you_o must_v mix_v all_o that_o remain_v on_o the_o cloth_n and_o gather_v it_o together_o spread_v it_o afterward_o over_o new-made_a tile_n which_o have_v not_o yet_o be_v allow_v time_n to_o moisten_v on_o the_o piece_n of_o linen_n then_o mould_v they_o into_o troche_n to_o dry_v sudden_o without_o mould_v which_o will_v spoil_v they_o therefore_o you_o must_v take_v great_a care_n that_o the_o tile_n be_v not_o at_o all_o moist_a and_o if_o so_o to_o change_v they_o that_o it_o may_v dry_v the_o soon_o and_o thus_o you_o will_v have_v a_o lake_n of_o admirable_a colour_n for_o paint_v you_o must_v lessen_v or_o improve_v the_o colour_n as_o you_o find_v by_o a_o great_a or_o lesser_a quantity_n of_o roch-allom_n chap._n ccxxiu_o a_o ready_a way_n to_o extract_n the_o tincture_n of_o kerm-berry_n though_o the_o menstruum_fw-la give_v in_o the_o last_o chapter_n make_v with_o shearing_n of_o cloth_n be_v a_o very_a good_a one_o for_o this_o purpose_n yet_o the_o follow_a be_v a_o more_o easy_a and_o as_o effectual_a take_v strong-water_n of_o the_o first_o run_v or_o distil_v and_o put_v it_o into_o a_o long-neckt_a glass_n body_n dissolve_v therein_o a_o pound_n of_o roch-allom_n add_v a_o ounce_n of_o kerm-berry_n fine_o powder_v and_o sear_v let_v it_o digest_v well_o shake_v the_o matrass_n from_o time_n to_o time_n and_o the_o strong-water_n will_v draw_v to_o they_o all_o the_o tincture_n of_o the_o kermes_n and_o be_v very_o sine_o colour_v then_o let_v all_o settle_v four_o day_n and_o afterward_o pour_v it_o gentle_o into_o a_o glaze_v earthen-vessel_n dissolve_v four_o ounce_n of_o roch-allom_n in_o run_v water_n and_o pour_v this_o into_o the_o strong-water_n or_o tincture_n of_o kermes_n to_o cause_v a_o separation_n filter_n it_o through_o a_o linen-cloth_n and_o the_o strong-water_n will_v fall_v through_o white_a leave_v the_o tincture_n behind_o if_o they_o be_v any_o thing_n colour_v strain_v they_o again_o and_o again_o until_o they_o be_v clear_a take_v up_o the_o lake_n or_o colour_n with_o a_o clean_a wooden-spoon_n and_o make_v it_o into_o troche_n dry_v they_o as_o direct_v in_o the_o former_a chapter_n thus_o you_o may_v have_v a_o quantity_n of_o this_o colour_n or_o lake_n as_o fine_a and_o good_a as_o the_o former_a chap._n ccxxu._n to_o make_v lake_n or_o tincture_n of_o brazile_n the_o brazile_n which_o dyer_n make_v use_v of_o be_v mean_v here_o take_v of_o the_o fine_a which_o come_v from_o fernambouck_n that_o be_v the_o best_a the_o way_n of_o extract_v this_o tincture_n be_v the_o same_o as_o the_o former_a from_o kermes_n and_o may_v be_v effect_v two_o way_n either_o with_o the_o first_o prescribe_v menstruum_fw-la or_o the_o strong-water_n observe_v only_a not_o to_o put_v as_o much_o allom_n to_o each_o ounce_n of_o brazile_n as_o to_o the_o berry_n for_o that_o tincture_n be_v deep_a than_o this_o from_o brazile_n and_o consequent_o require_v more_o stuff_n use_v therefore_o as_o much_o here_o as_o you_o find_v reasonable_a for_o experience_n will_v give_v you_o the_o best_a instruction_n take_v notice_n too_o that_o when_o you_o do_v it_o by_o the_o first_o menstruum_fw-la there_o be_v a_o great_a quantity_n require_v of_o brazile_n than_o be_v prescribe_v of_o kermes-berry_n to_o each_o pound_n of_o shearing_n in_o every_o thing_n else_o follow_v the_o former_a direction_n and_o you_o will_v have_v a_o fine_a colour_n or_o lake_n less_o chargeable_a and_o altogether_o as_o good_a as_o the_o tincture_n of_o kermes_n for_o paint_v chap._n ccxxvi_o to_o extract_n tincture_n of_o mad_a for_o lake_n mad_a be_v the_o root_n of_o a_o plant_n common_a enough_o but_o general_o come_v from_o holland_n and_o zealand_n and_o use_v by_o dyer_n if_o good_a it_o be_v red_a it_o be_v fine_a than_o brazile_n and_o before_o you_o use_v it_o must_v be_v fine_o powder_v to_o give_v the_o better_a colour_n you_o may_v use_v either_o of_o the_o former_a menstruum_n of_o shearing_n or_o strong-water_n order_v your_o quantity_n as_o direct_v for_o the_o brazile_n if_o you_o follow_v the_o preparation_n give_v in_o chap._n 223._o you_o will_v have_v a_o fine_a colour_n from_o this_o root_n which_o make_v into_o troche_n dry_v they_o as_o before_o this_o will_v be_v a_o perfect_a lake_n and_o very_o fine_a for_o use_v chap._n ccxxvii_o how_o to_o make_v ultra-marine_a of_o lapis-lazuli_a this_o rich_a and_o noble_a blue_n draw_v from_o a_o azure-stone_n common_o call_v lapis-lazuli_a it_o be_v 〈◊〉_d opaque-stone_n of_o a_o fine_a sky-colour_n or_o turkish-●lue_a or_o like_o the_o blue-flower_n which_o grow_v in_o corn●●lds_n it_o be_v embellish_v with_o small_a streak_n and_o spark_n of_o gold-colour_n the_o best_a be_v that_o which_o be_v fix_v ●●at_o be_v can_v endure_v fire_n without_o
baptista_n porta_n kircher_n and_o many_o other_o author_n if_o you_o will_v make_v the_o mirror_n a_o convex_a glass_n you_o must_v have_v the_o mould_v concave_a and_o these_o you_o may_v do_v two_o way_n thus_o take_v the_o two_o concave_a side_n of_o the_o mould_n and_o close_v they_o together_o equal_o as_o the_o founder_n do_v their_o frames_n pour_v in_o through_o the_o mouth_n of_o the_o mould_n your_o crystal_n metal_n let_v it_o fill_v the_o mould_n and_o afterward_o cool_a another_o way_n be_v to_o take_v two_o concave_a mirror_n and_o join_v their_o face_n solder_v they_o well_o all_o about_o only_o leave_v a_o small_a orifice_n through_o which_o you_o may_v fill_v it_o with_o some_o aqua_fw-la vitæ_fw-la and_o so_o stop_v the_o hole_n and_o frame_v they_o with_o wood_n or_o metal_n this_o sort_n of_o mirror_n have_v a_o more_o ready_a influence_n on_o the_o sun_n beam_n then_o any_o other_o we_o will_v say_v something_o of_o the_o effect_n thereof_o when_o we_o come_v to_o speak_v of_o the_o metal_n mirror_n but_o upon_o the_o whole_a matter_n you_o must_v have_v these_o glass_n all_o very_a well_o polish_v these_o burn_a glass_n may_v be_v make_v parabolic_a or_o spheroidal_a and_o such_o have_v still_o a_o better_a effect_n than_o the_o spheric_a you_o must_v proceed_v in_o mould_v they_o as_o with_o the_o former_a you_o must_v observe_v a_o just_a proportion_n in_o do_v they_o for_o when_o they_o be_v too_o much_o raise_v they_o be_v hinder_v by_o their_o deepness_n from_o have_v a_o good_a effect_n and_o upon_o this_o depend_v the_o whole_a nicety_n of_o the_o art_n chap._n cclu._n how_o to_o make_v metal_n mirror_n concave_a sphericks_n or_o parabolick_v usual_o call_v steel_n burn_v mirror_n the_o author_n cite_v in_o the_o former_a chapter_n be_v very_o useful_a to_o be_v consult_v on_o this_o occasion_n to_o demonstrate_v the_o method_n use_v and_o excellency_n of_o these_o mirror_n for_o which_o reason_n we_o shall_v say_v but_o little_a on_o that_o subject_a the_o mould_v for_o they_o be_v prepare_v as_o in_o the_o former_a chapter_n whether_o concave_a or_o convex_v and_o for_o such_o as_o be_v flat_a they_o may_v be_v cast_v on_o sand._n the_o metal_n of_o these_o mirror_n be_v call_v steel_n because_o it_o be_v of_o a_o very_a hard_a and_o bright_a composure_n and_o temper_n and_o the_o hard_a the_o metal_n the_o better_a the_o mirror_n and_o the_o easy_a to_o polish_v the_o whiteness_n of_o it_o be_v very_o convenient_a for_o give_v the_o quality_n of_o burn_v and_o not_o only_o for_o that_o but_o several_a other_o use_v if_o it_o be_v too_o red_a or_o black_a it_o alter_v the_o true_a distance_n and_o colour_n of_o its_o opposite_a object_n you_o must_v therefore_o make_v they_o of_o this_o follow_a composition_n take_v three_o pound_n of_o copper_n one_o pound_n of_o fine_a tin_n half_o a_o ounce_n of_o white_a arsenic_n a_o ounce_n of_o tartar_n first_o melt_v the_o copper_n than_o put_v the_o tin_n in_o immerge_v in_o the_o copper_n else_o it_o will_v fume_v away_o in_o the_o melt_a and_o leave_v the_o copper_n behind_o these_o two_o be_v well_o melt_v together_o cast_v in_o the_o arsenic_n and_o tartar_n after_o this_o let_v all_o melt_v for_o two_o or_o three_o hour_n and_o so_o mould_v it_o some_o person_n dose_n with_o the_o former_a weight_n of_o copper_n and_o tin_n half_o a_o pound_n of_o white_a arsenic_n uther_n instead_o of_o arsenic_n put_v in_o a_o quarter_n of_o a_o pound_n of_o antimony_n here_o be_v another_o way_n to_o compound_v this_o stuff_n of_o the_o follow_a ingredient_n and_o after_o that_o another_o composition_n much_o more_o excellent_a than_o either_o take_v a_o pound_n of_o well_o refine_a copper_n melt_v it_o then_o add_v three_o pound_n of_o fine_a tin_n as_o soon_o as_o these_o be_v well_o melt_v add_v six_o ounce_n of_o red_a tartar_n calcine_v one_o ounce_n of_o salt-petre_a two_o dram_fw-la of_o allom_n and_o two_o ounce_n of_o arsenic_n let_v these_o melt_v for_o three_o or_o four_o hour_n that_o the_o salt_n may_v evaporate_v and_o the_o stuff_n will_v be_v fit_a for_o mould_v this_o stuff_n be_v more_o solid_a and_o hard_a than_o the_o former_a and_o much_o better_a to_o make_v the_o flat_a mirror_n for_o look_v you_o shall_v be_v show_v how_o to_o polish_v they_o in_o the_o next_o chapter_n we_o have_v promise_v to_o assign_v a_o much_o more_o excellent_a stuff_n for_o concave_n than_o the_o former_a one_o will_v give_v it_o here_o because_o of_o the_o hardness_n and_o compactness_n thereof_o it_o be_v more_o capable_a of_o polish_n and_o consequent_o much_o better_a than_o the_o rest_n take_v plate_n of_o copper_n one_o pound_n mince_v they_o that_o they_o may_v be_v put_v into_o a_o crucible_n imbibe_v they_o with_o oil_n of_o tartar_n then_o powder_v a_o quarter_n of_o ●_o pound_n of_o white_a arsenic_n and_o put_v these_o s._n s._n s._n as_o we_o have_v show_v the_o method_n elsewhere_o until_o you_o fill_v the_o crucible_n pour_v on_o they_o afterward_o linseed-oyl_n to_o cover_v the_o arsenic_n and_o the_o copper_n head_n and_o lute_n you●_n crucible_n and_o when_o the_o lute_n be_v dry_a set_v it_o on_o a_o sand-furnace_n let_v the_o sand_n arise_v no_o high_a than_o the_o head_n heat_n the_o furnace_n very_o gentle_o till_o it_o arrive_v a●_n a_o just_a degree_n and_o the_o oil_n begin_v to_o evaporate_v 〈◊〉_d this_o time_n the_o oil_n will_v prepare_v the_o copper_n for_o retain_v the_o arsenic_n which_o must_v enter_v the_o copper_n as_o easy_o as_o oil_n do_v leather_n set_v it_o again_o on_o fresh_a sand_n and_o increase_v the_o heat_n of_o the_o furnace_n give_v i●_n the_o same_o degree_n as_o before_o until_o the_o oil_n evaporate_v and_o boil_v up_o then_o take_v off_o the_o crucible_n let_v it_o cool_v and_o break_v it_o you_o will_v find_v your_o copper_n of_o several_a colour_n and_o will_v be_v much_o better_a if_o instead_o of_o arsenic_n you_o make_v use_v of_o orpiment_n take_v of_o this_o copper_n one_o part_n of_o latin_n two_o part_n melt_v the_o latin_a on_o a_o smart_a fire_n and_o so_o put_v in_o the_o copper_n when_o they_o be_v well_o melt_v cast_v the_o metal_n drop_v by_o drop_n into_o a_o glaze_v earthen_a vessel_n full_a of_o water_n over_o which_o lie_v a_o bush_n or_o broom_n for_o the_o stuff_n to_o go_v through_o thus_o you_o will_v have_v a_o metal_n not_o to_o be_v touch_v with_o a_o file_n nor_o brittle_a as_o good_a as_o any_o steel_n for_o all_o use_n whatsoever_o take_v of_o this_o hard_a metal_n three_o part_n and_o best_a tin_n of_o cornwall_n which_o have_v no_o lead_n in_o it_o one_o part_n melt_v the_o metal_n before_o you_o put_v in_o the_o tin_n after_o these_o be_v well_o incorporate_v you_o may_v fill_v your_o mould_v etc._n etc._n this_o be_v the_o best_a of_o all_o our_o composition_n for_o make_v of_o all_o sort_n of_o these_o metal_n mirror_n it_o be_v white_a hard_a not_o brittle_a and_o very_o easy_o polish_v exceed_v fine_a chap._n 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shake_v out_o the_o gold_n that_o may_v chance_v to_o stick_v in_o the_o leaf-iron_n then_o let_v it_o cool_v by_o the_o fire_n gentle_o for_o fear_v it_o shall_v break_v be_v cold_a take_v away_o the_o plate_n or_o leaf_n of_o iron_n and_o you_o will_v have_v your_o sapphire_n of_o a_o admirable_a beauty_n it_o have_v acquire_v by_o that_o coction_n all_o the_o quality_n and_o perfection_n of_o the_o natural_a diamond_n polish_v it_o at_o the_o wheel_n and_o work_v it_o chap._n cxlvi_o another_o way_n to_o turn_v the_o white_a sapphire_n into_o a_o true_a diamond_n this_o way_n will_v be_v find_v by_o several_a to_o be_v more_o easy_a and_o better_a because_o it_o do_v not_o oblige_v to_o such_o a_o expense_n in_o gold_n so_o that_o people_n can_v purchase_v it_o this_o be_v the_o reason_n we_o show_v it_o here_o though_o other_o have_v speak_v of_o it_o and_o among_o the_o rest_n joh._n bapt._n de_fw-fr porta_n who_o have_v write_v of_o this_o art_n take_v file_n of_o iron_n or_o 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matter_n be_v red_a and_o it_o have_v remain_v some_o time_n in_o that_o condition_n take_v out_o the_o sapphire_n with_o your_o tongue_n to_o see_v if_o it_o have_v take_v the_o colour_n of_o the_o diamond_n if_o it_o have_v not_o put_v it_o in_o again_o as_o before_o and_o continue_v to_o do_v this_o till_o it_o be_v perfect_a then_o polish_v it_o and_o work_v it_o this_o be_v all_o we_o design_v to_o say_v concern_v the_o make_n and_o perfection_n of_o gem_n though_o there_o be_v other_o way_n of_o do_v they_o and_o several_a other_o curious_a thing_n may_v be_v say_v on_o this_o subject_a but_o that_o will_v require_v a_o large_a volume_n which_o perhaps_o we_o may_v do_v in_o the_o next_o edition_n if_o we_o find_v the_o curious_a take_v any_o satisfaction_n in_o this_o the_o end_n of_o the_o five_o book_n of_o the_o art_n of_o glass_n book_n vi._n chap._n cxlvii_o wherein_o proper_a rule_n and_o matter_n for_o all_o sort_n of_o enamel_n be_v prescribe_v with_o direction_n for_o qualify_a the_o fire_n in_o order_n to_o succeed_v well_o how_o to_o make_v goldsmith_n enamel_n of_o several_a colour_n for_o gold_n a_o neat_a preparation_n of_o the_o magnese_n a_o spirit_n of_o saturn_n a_o fix_a sulphur_n and_o a_o mild_a vitriol_n of_o venus_n of_o most_o sovereign_a virtue_n and_o use_n this_o most_o agreeable_a way_n of_o enrich_a gold_n by_o enamel_n which_o proceed_v from_o the_o beauful_a variety_n of_o colour_n which_o may_v be_v apply_v be_v a_o art_n no_o less_o painful_a than_o necessary_a for_o ornament_n we_o proceed_v to_o lay_v down_o such_o method_n in_o this_o book_n as_o shall_v equal_o answer_v the_o benefit_n of_o the_o public_a and_o satisfaction_n of_o the_o more_o curious_a for_o shall_v we_o omit_v this_o our_o intention_n the_o work_n will_v be_v deficient_a and_o this_o art_n of_o glass_n deprive_v of_o one_o of_o its_o most_o excellent_a and_o principal_a beauty_n therefore_o we_o propose_v in_o the_o first_o place_n to_o give_v direction_n for_o the_o choice_n of_o matter_n to_o be_v use_v and_o thence_o show_v the_o preparation_n for_o all_o sort_n and_o how_o to_o make_v and_o suit_v the_o colour_n most_o convenient_a on_o enamel_n the_o method_n not_o only_o use_v by_o the_o goldsmith_n but_o by_o such_o as_o form_v portraiture_n with_o it_o of_o all_o sort_n as_o man_n beast_n fowl_n and_o other_o curiosity_n very_o natural_o by_o a_o just_a disposure_n of_o the_o colour_n be_v most_o admirable_a to_o effect_v which_o no_o more_o be_v require_v than_o a_o light_a taper_n and_o a_o hollow_a pipe_n of_o metal_n for_o that_o purpose_n to_o blow_v the_o blaze_n to_o the_o matter_n and_o make_v it_o malleable_a and_o soft_a and_o thence_o the_o several_a
in_o paint_v glass_n for_o before_o we_o proceed_v to_o prescribe_v the_o rule_n how_o to_o work_v the_o material_n must_v first_o be_v consider_v the_o white_a be_v compound_v of_o several_a ingredient_n the_o first_o be_v small_a white_a river_n pebble-stone_n heat_v red_a over_o a_o fire_n in_o a_o iron-ladle_n and_o throw_v afterward_o into_o a_o earthen-dish_n full_a of_o cold_a water_n to_o calcine_v they_o and_o this_o must_v be_v repeat_v several_a time_n until_o they_o be_v prepare_v afterward_o be_v dry_v pound_n they_o with_o a_o stone_n or_o glass-pestle_n in_o a_o stone-morter_n and_o so_o grind_v they_o upon_o a_o marble_n to_o a_o impalpable_a powder_n then_o mix_v a_o four_o part_n of_o nitre_n with_o it_o and_o calcine_v they_o in_o a_o crucible_n then_o pound_n and_o grind_v they_o again_o and_o calcine_v they_o a_o three_o time_n over_o a_o small_a fire_n than_o your_o former_a and_o so_o take_v they_o off_o for_o use._n this_o do_v when_o you_o will_v paint_n with_o it_o add_v equal_a part_n in_o weight_n of_o gip_n a_o sort_n of_o talc_n find_v among_o plaster-mold_n bake_v on_o the_o coal_n to_o a_o whiteness_n and_o reducible_a to_o powder_n and_o rocaille_n whereof_o we_o have_v already_o speak_v grind_v they_o all_o three_o very_o well_o together_o in_o a_o hollow_a plate_n of_o copper_n with_o gum-arabic_n water_n thus_o have_v you_o your_o white_a in_o good_a condition_n to_o paint_n withal_o chap._n cciu_o to_o prepare_v black_a for_o paint_v on_o glass_n as_o this_o colour_n can_v be_v omit_v in_o any_o sort_n of_o paint_v so_o in_o this_o the_o manner_n of_o use_v it_o be_v much_o the_o same_o and_o the_o preparation_n easy_a you_o must_v grind_v scale_n of_o iron_n from_o the_o smith_n anvil-block_n for_o three_o hour_n on_o the_o shallow_a copper-bason_n or_o plate_n add_v to_o this_o one_o three_o of_o the_o same_o weight_n of_o rocaille_n with_o a_o little_a calx_fw-la of_o copper_n to_o hinder_v the_o iron_n from_o turn_v red_a in_o 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there_o but_o the_o great_a stress_n lie_v in_o bake_v the_o crucible_n afterward_o in_o a_o small_a fire_n to_o cement_v the_o pore_n and_o make_v the_o earth_n compact_v as_o glass_n which_o will_v be_v very_o much_o further_v if_o you_o throw_v on_o it_o a_o considerable_a quantity_n of_o salt_n as_o it_o come_v out_o of_o the_o fire_n this_o will_v glaze_v it_o and_o capacitate_v it_o for_o retain_v the_o spirit_n in_o the_o fire_n chap._n ccvii_o to_o make_v red_a colour_n for_o glass_n paint_v this_o require_v as_o much_o caution_n as_o the_o blue_n you_o must_v take_v scale_n of_o iron_n and_o litharge_v of_o silver_n of_o each_o a_o dram_n feretto_n of_o spain_n half_a a_o dram_n rocaille_n three_o dram_fw-la and_o half_a grind_v all_o these_o for_o half_a a_o hour_n on_o a_o shallow_a copperplate_n in_o the_o mean_a time_n pound_n three_o dram_fw-la of_o bloodstone_n in_o a_o iron-mortar_n and_o add_v it_o to_o the_o rest_n then_o pound_n a_o dram_n of_o gum-arabic_n in_o that_o mortar_n to_o a_o impalpable_a powder_n to_o take_v off_o the_o remain_v of_o your_o bloodstone_n and_o so_o add_v it_o to_o the_o rest_n grind_v they_o still_o continual_o lest_o the_o bloodstone_n be_v spoil_v the_o best_a manner_n of_o grind_v these_o be_v to_o pour_v water_n by_o little_a and_o little_a on_o the_o ingredient_n as_o you_o grind_v they_o neither_o wet_n they_o too_o much_o nor_o too_o little_a but_o just_a as_o much_o as_o will_v keep_v a_o good_a temper_n as_o for_o paint_v afterward_o put_v all_o into_o a_o foot_n glass_n and_o so_o drop_v on_o it_o through_o a_o small_a hollow_a cane_n of_o wood_n or_o with_o your_o finger_n as_o much_o water_n as_o will_v bring_v it_o to_o the_o consistence_n of_o a_o eggs-yolk_n butter_v or_o a_o little_a more_o then_o cover_v the_o glass_n to_o preserve_v it_o from_o dust_n and_o so_o let_v it_o stand_v three_o day_n to_o settle_v after_o this_o decant_v the_o clear_a and_o pure_a of_o the_o colour_n that_o rise_v at_o top_n into_o another_o glass_n without_o disturb_v the_o sediment_n and_o two_o day_n after_o it_o have_v settle_v anew_o pour_v off_o again_o the_o pure_a of_o the_o colour_n as_o before_o this_o do_v set_v it_o in_o the_o body_n of_o a_o break_a matrass_n or_o bolt-head_n over_o a_o gentle_a flow_n fire_n to_o dry_v easy_o and_o so_o keep_v it_o for_o use_n when_o you_o have_v occasion_n for_o it_o take_v a_o little_a fair_a water_n in_o a_o glass_n and_o with_o it_o moisten_v as_o much_o colour_n as_o you_o think_v convenient_a that_o will_v be_v excellent_a for_o carnation_n as_o for_o the_o faeces_fw-la which_o be_v very_o thick_a dry_v they_o too_o and_o you_o may_v moisten_v these_o in_o like_a manner_n with_o water_n for_o drapery_n timber-colour_n and_o such_o other_o as_o you_o think_v convenient_a chap._n ccviii_o to_o make_v a_o purple-colour_n for_o paint_v of_o glass_n the_o preparation_n of_o this_o purple-colour_n be_v exact_o like_o that_o of_o the_o blue_n for_o this_o reason_n we_o need_v not_o use_v any_o tedious_a repetition_n you_o must_v take_v a_o ounce_n of_o zaffer_n and_o a_o ounce_n of_o very_a pure_a and_o clean_a perigeux_n two_o ounce_n of_o minium_n eight_o ounce_n of_o very_a fine_a white_a sand_n pound_n all_o these_o in_o a_o bell-metal_n mortar_n and_o reduce_v it_o to_o a_o impalpable_a powder_n put_v it_o afterward_o into_o a_o good_a crucible_n well_o cover_v and_o lute_v in_o the_o furnace_n keep_v a_o very_a good_a fire_n to_o it_o for_o a_o hour_n then_o draw_v it_o out_o and_o as_o soon_o as_o it_o be_v cold_a pound_n the_o mass_n over_o again_o in_o the_o same_o mortar_n to_o this_o add_v a_o four_o part_n of_o its_o weight_n of_o nitre_n mix_v they_o together_o and_o put_v they_o into_o
leather-bag_n tie_v these_o close_a rub_v and_o press_v they_o with_o your_o hand_n this_o will_v make_v they_o very_o subtle_a and_o when_o the_o bag_n be_v open_v they_o will_v show_v much_o fair_a than_o before_o chap._n ccxxxviii_o to_o correct_v the_o colour_n just_a before_o prepare_v few_o person_n unless_o such_o as_o be_v very_o curious_a of_o their_o work_n make_v any_o use_n hereof_o because_o of_o the_o time_n it_o take_v up_o though_o it_o will_v turn_v very_o much_o to_o their_o account_n for_o one_o ounce_n of_o this_o colour_n correct_v will_v go_v far_o than_o three_o that_o be_v not_o if_o you_o will_v make_v your_o colour_n just_a before_o prepare_v much_o fine_a and_o effectual_a than_o they_o be_v mix_v they_o again_o with_o a_o strong_a cement_n and_o let_v they_o remain_v therein_o for_o three_o day_n afterward_o proceed_v according_a to_o the_o last_o direction_n to_o separate_v they_o again_o reiterate_v this_o over_o again_o and_o you_o will_v have_v they_o exceed_v good_a and_o though_o they_o diminish_v somewhat_o in_o weight_n yet_o that_o loss_n will_v be_v repay_v considerable_o in_o the_o beauty_n and_o value_n chap._n ccxxxix_o another_o way_n to_o make_v ultra-marine_a and_o draw_v off_o the_o colour_n with_o more_o expedition_n this_o method_n of_o make_v vltra-marine_a be_v much_o more_o ready_a than_o the_o former_a and_o experience_n will_v show_v whether_o the_o colour_n be_v a_o gainer_n or_o loser_n thereby_o take_v a_o pound_n of_o lapis_fw-la lazuli_fw-la calcine_v it_o in_o a_o crucible_n and_o quench_v it_o afterward_o in_o vinegar_n so_o let_v it_o dry_v and_o then_o reduce_v it_o to_o a_o very_a fine_a powder_n grind_v it_o on_o a_o porphyry_n with_o fair_a water_n and_o so_o set_v it_o in_o a_o glaze_v earthen_a vessel_n in_o the_o shade_n until_o it_o be_v dry_a if_o you_o find_v it_o coagulate_v all_o in_o a_o mass_n you_o must_v powder_v it_o again_o this_o do_v make_v a_o cement_n of_o three_o ounce_n of_o grecian-pitch_n four_o ounce_n of_o rosin_n of_o the_o pine_n three_o ounce_n of_o mastic_n three_o ounce_n of_o frankincense_n two_o ounce_n of_o oyl-olive_n set_v these_o over_o a_o slow_a fire_n in_o a_o small_a earthen_a pot_n into_o which_o pour_v first_o the_o oil_n and_o when_o that_o be_v hot_a put_v in_o the_o rosin_n than_o the_o pitch_n than_o the_o incense_n and_o last_o of_o all_o the_o mastic_n stir_v they_o continual_o with_o the_o wooden_a spatula_fw-la and_o let_v they_o boil_v a_o little_a have_v make_v the_o cement_n get_v another_o earthen_a vessel_n and_o put_v thereinto_o the_o lapis_fw-la lazuli_fw-la and_o pour_v on_o it_o the_o cement_n hot_a stir_v the_o whole_a together_o with_o the_o spatula_fw-la very_o leisurely_o until_o they_o perfect_o incorporate_v let_v this_o stand_v a_o whole_a day_n and_o when_o you_o will_v draw_v off_o the_o colour_n pour_v thereon_o boil_a water_n stir_v it_o very_o smart_o when_o it_o begin_v to_o cool_v pour_v it_o out_o and_o so_o put_v in_o more_o hot_a water_n do_v thus_o till_o the_o water_n begin_v to_o draw_v off_o the_o colour_n and_o so_o continue_v until_o it_o be_v quite_o extract_v you_o may_v distinguish_v the_o water_n and_o so_o set_v they_o apart_o and_o obtain_v the_o variety_n of_o colour_n as_o in_o the_o former_a way_n if_o your_o colour_n seem_v to_o be_v clammy_a or_o nasty_a you_o may_v correct_v it_o thus_o add_v thereto_o tartar_n dissolve_v in_o water_n as_o much_o as_o will_v drown_v it_o and_o let_v it_o repose_v for_o one_o day_n at_o least_o so_o wash_v it_o in_o warm_a water_n and_o you_o will_v by_o that_o mean_n have_v it_o very_o correct_v and_o well_o purify_v chap._n ccxl_o another_o way_n to_o make_v ultra-marine_a grant_v the_o two_o former_a way_n to_o be_v sufficient_a we_o will_v however_o here_o give_v a_o three_o which_o we_o believe_v may_v as_o well_o be_v please_v to_o those_o who_o be_v not_o satisfy_v with_o the_o other_o as_o to_o such_o person_n as_o have_v a_o curiosity_n for_o these_o sort_n of_o work_n and_o thus_o we_o propose_v to_o proceed_v not_o to_o discourse_v of_o the_o way_n to_o try_v the_o goodness_n of_o the_o lapis_fw-la lazuli_fw-la which_o we_o have_v mention_v sufficient_o already_o you_o must_v break_v it_o into_o gross_a piece_n as_o small_a as_o nut_n than_o set_v these_o in_o a_o crucible_n into_o the_o furnace_n till_o they_o redden_a with_o heat_n and_o so_o cast_v they_o into_o cold_a water_n do_v thus_o six_o or_o seven_o time_n and_o so_o reduce_v they_o to_o impalpable_a powder_n in_o a_o porphyry-mortar_n well_o cover_v over_o lest_o the_o powder_n which_o be_v very_o subtle_a shall_v disperse_v away_o into_o the_o air_n and_o then_o searce_v it_o with_o a_o fine_a searce_n also_o cover_v after_o this_o take_v of_o rosin_n of_o pine_n ordinary_a black_a pitch_n mastic_n fresh_a wax_n and_o turpentine_n of_o each_o three_o ounce_n of_o incense_n and_o linseed-oyl_n each_o one_o ounce_n melt_v all_o together_o in_o a_o earthen_a vessel_n stir_v they_o very_o well_o that_o they_o may_v mix_v this_o stuff_n be_v well_o incorporate_v cast_v it_o into_o water_n and_o keep_v it_o for_o use_n to_o each_o pound_n of_o lapis_fw-la lazuli_fw-la add_v ten_o ounce_n thereof_o and_o set_v they_o to_o dissolve_v in_o a_o pot_n over_o a_o small_a fire_n first_o melt_v the_o cement_n and_o then_o cast_v on_o the_o lapis_fw-la lazuli_fw-la by_o little_a and_o little_a observe_v such_o a_o order_n in_o this_o and_o continual_o stir_v the_o mass_n with_o a_o stick_n that_o they_o may_v mix_v insensible_o together_o afterward_o cast_v the_o mass_n into_o a_o earthen_a vessel_n of_o cold_a water_n and_o anoint_v your_o hand_n with_o linseed-oyl_n mould_v it_o up_o into_o a_o number_n of_o cake_n or_o roll_n which_o leave_v in_o cold_a water_n for_o five_o day_n shift_v the_o water_n every_o other_o day_n this_o do_v put_v they_o into_o a_o large_a and_o very_o clean_o glaze_v earthen_a vessel_n pour_v on_o they_o some_o clean_a hot_a water_n when_o that_o cool_v pour_v in_o more_o hot_a and_o do_v thus_o till_o the_o pastil_v soften_v with_o the_o heat_n of_o the_o water_n this_o do_v put_v they_o into_o hot_a water_n and_o let_v they_o be_v until_o it_o receive_v a_o bluish_a colour_n strain_v this_o water_n to_o reserve_v the_o grosser_n piece_n and_o so_o put_v it_o into_o another_o glaze_v earthen_a vessel_n very_o clean_o add_v more_o to_o the_o pastil_v which_o strain_n through_o a_o fine_a searce_n afterward_o among_o the_o former_a continue_v this_o until_o all_o the_o colour_n be_v extract_v and_o no_o more_o remain_v behind_o your_o water_n must_v be_v only_o warm_a otherwise_o it_o will_v occasion_v a_o blackness_n in_o the_o colour_n which_o be_v to_o be_v take_v care_n of_o and_o import_v very_o much_o all_o your_o colour_a water_n be_v in_o the_o vessel_n you_o may_v cleanse_v they_o of_o any_o unctuosity_n by_o repose_v they_o for_o twenty_o four_o hour_n in_o which_o time_n the_o co●our_n will_v stick_v to_o the_o bottom_n than_o you_o may_v pour_v off_o ●he_v water_n gentle_o into_o another_o vessel_n and_o it_o will_v carry_v off_o the_o grease_n along_o with_o it_o strain_v it_o afterward_o into_o the_o vessel_n where_o the_o colour_n be_v again_o through_o a_o fine_a searce_n and_o all_o the_o grease_n and_o nastiness_n will_v be_v leave_v behind_o do_v thus_o thrice_o stir_v the_o colour_n very_o well_o every_o time_n you_o return_v the_o water_n ●o_o it_o that_o the_o filth_n and_o grease_n may_v ascend_v from_o it_o ●nd_v it_o will_v always_o stay_v in_o strain_v on_o the_o searce_a be●ind_n the_o water_n this_o do_v let_v the_o colour_n precipitate_v entire_o ●nd_v so_o pour_v off_o all_o the_o water_n very_o leisurely_o for_o fear_v ●f_a disturb_v it_o dry_v this_o colour_n and_o you_o will_v have_v delicate_a vltra-marine_a if_o you_o will_v imitate_v this_o colour_n at_o little_a charge_n make_v use_n of_o our_o blue-enamel_n after_o the_o same_o manner_n and_o instead_o of_o the_o lapis_fw-la lazuli_fw-la observe_v without_o exception_n the_o like_a regimen_n and_o prescription_n just_a now_o deliver_v in_o every_o respect_n and_o by_o this_o mean_n you_o will_v have_v a_o very_a pretty_a agreeable_a colour_n to_o paint_n with_o and_o for_o ting_v of_o glass_n many_o other_o way_n may_v be_v give_v here_o for_o make_v vltra-marine_a beside_o these_o we_o have_v already_o lay_v down_o but_o because_o the_o principal_a part_n of_o the_o preparation_n be_v in_o every_o one_o the_o same_o we_o look_v upon_o these_o as_o sufficient_a and_o that_o it_o will_v be_v but_o needless_a to_o repeat_v any_o more_o that_o the_o lapis_fw-la lazuli_fw-la may_v be_v make_v by_o art_n as_o fine_a and_o good_a as_o the_o natural_a which_o be_v get_v from_o the_o mine_n we_o allow_v and_o shall_v free_o
of_o this_o chapter_n but_o before_o you_o put_v the_o cucurbite_n or_o body_n on_o you_o must_v lay_v sand_n four_o inch_n deep_a and_o thick_a iron-bar_n to_o bear_v the_o weight_n then_o fit_a a_o head_n and_o lute_z the_o joint_n well_o with_o a_o lute_n make_v of_o fine_a flour_n and_o lime_n powder_v and_o mix_v with_o white_n of_o egg_n then_o put_v on_o the_o joint_n rouler_n of_o finelinen_a than_o lute_n it_o again_o and_o then_o put_v on_o linen_n rouler_n again_o three_o or_o four_o time_n each_o time_n let_v it_o dry_a before_o you_o put_v on_o the_o next_o rouler_n and_o then_o this_o will_v bear_v the_o violence_n of_o the_o fire_n and_o the_o penetrate_a force_n of_o the_o spirit_n of_o the_o aquafortis_n after_o that_o you_o must_v put_v this_o body_n of_o the_o alembick_a in_o a_o deep_a earthen-pan_n make_v of_o the_o same_o earth_n as_o crucible_n fill_v with_o sand_n so_o that_o it_o be_v bury_v in_o the_o sand_n to_o within_o two_o inch_n of_o the_o joint_n then_o set_v it_o in_o a_o wind_n furnace_n fit_a and_o capable_a to_o maintain_v a_o equal_a fire_n we_o here_o give_v you_o the_o figure_n of_o it_o this_o furnace_n may_v serve_v for_o several_a use_n as_o we_o will_v hereafter_o explain_v your_o alembic_n be_v thus_o fit_v you_o must_v put_v to_o the_o head_n a_o glass_n receiver_n very_o capacious_a the_o better_a to_o resist_v the_o force_n of_o the_o spirit_n otherwise_o all_o may_v break_v lute_n it_o well_o to_o the_o mouth_n of_o the_o alembic_n as_o you_o do_v the_o joint_n before_o and_o with_o the_o same_o precaution_n of_o let_v it_o dry_v each_o time_n in_o the_o air_n take_v care_n not_o to_o kindle_v the_o fire_n in_o the_o furnace_n till_o the_o lute_n of_o all_o the_o joint_n be_v dry_a for_o that_o be_v very_o necessary_a the_o whole_a be_v thus_o in_o right_a order_n kindle_v a_o small_a coal_n fire_n for_o the_o space_n of_o three_o hour_n during_o which_o time_n the_o windy_a humour_n that_o be_v in_o the_o material_n and_o which_o will_v break_v they_o will_v be_v draw_v of_o into_o the_o receiver_n so_o continue_v a_o moderate_a fire_n for_o six_o hour_n then_o increase_v it_o little_a by_o little_a put_v on_o at_o last_o billet_n of_o dry_a oaken-wood_n to_o the_o coal_n for_o six_o hour_n more_o till_o the_o alembic_n or_o head_n begin_v to_o be_v tinge_v yellow_a and_o the_o spirit_n begin_v to_o rise_v observe_v to_o continue_v this_o regimen_n or_o degree_n of_o fire_n till_o the_o head_n and_o receiver_n begin_v to_o grow_v red_a then_o augment_v it_o till_o the_o alembic_n become_v of_o a_o deep_a red_a continue_v this_o degree_n of_o the_o fire_n as_o long_o as_o that_o colour_n last_v till_o all_o the_o spirit_n be_v draw_v of_o and_o the_o head_n and_o receiver_n begin_v by_o degree_n to_o grow_v clear_a and_o reassume_v their_o common_a colour_n in_o cool_v which_o sometime_o will_v be_v two_o day_n first_o notwithstanding_o you_o must_v continue_v the_o fire_n some_o time_n afterward_o then_o let_v the_o furnace_n cool_v of_o its_o self_n take_v care_n that_o whilst_o the_o alembic_n and_o receiver_n be_v still_o red_a and_o the_o fire_n in_o force_n that_o you_o admit_v no_o cool_a air_n into_o the_o place_n and_o that_o nothing_o can_v touch_v they_o which_o will_v break_v they_o when_o all_o be_v cold_a cover_v the_o head_n and_o receiver_n with_o wet_a linen_n clothes_n that_o the_o spirit_n which_o be_v about_o the_o head_n and_o receiver_n may_v the_o better_o sink_v to_o the_o bottom_n of_o the_o receiver_n and_o let_v it_o stand_v so_o twelve_o hour_n then_o bathe_v the_o joint_n and_o the_o lute_v with_o warm_a water_n that_o you_o may_v the_o better_o loosen_v the_o bandage_n and_o so_o take_v off_o the_o head_n from_o the_o receiver_n otherwise_o it_o will_v be_v difficult_a to_o do_v it_o than_o you_o may_v break_v the_o body_n which_o will_v be_v good_a for_o nothing_o and_o take_v out_o the_o faeces_fw-la which_o reduce_v again_o into_o powder_n add_v to_o each_o pound_n of_o that_o powder_n four_o ounce_n of_o refine_a nitre_n and_o put_v the_o whole_a into_o a_o cucurbit_n or_o body_n whereon_o pour_n all_o the_o aquafortis_n before_o distil_a then_o put_v on_o the_o head_n and_o receiver_n and_o lute_n it_o and_o dry_v it_o well_o as_o you_o do_v before_o have_v put_v it_o on_o the_o same_o sand_n furnace_n during_o the_o first_o four_o hour_n make_v a_o gentle_a fire_n which_o afterward_o may_v be_v increase_v little_a by_o little_a till_o the_o head_n and_o receiver_n begin_v to_o grow_v clear_a and_o all_o the_o spirit_n be_v draw_v over_o after_o which_o let_v all_o cool_v cover_v the_o head_n and_o receiver_n with_o wet_a clothes_n then_o let_v it_o stand_v twelve_o hour_n as_o before_o then_o unlute_v the_o joint_n again_o with_o warm_a water_n and_o put_v the_o aquafortis_n into_o glass_n vessel_n well_o stop_v that_o the_o spirit_n may_v not_o exhale_v and_o keep_v it_o so_o for_o use_n hereafter_o to_o be_v mention_v this_o be_v the_o aquafortis_n which_o be_v common_o call_v water_n of_o separation_n and_o the_o best_a that_o can_v be_v make_v there_o be_v some_o that_o instead_o of_o roch-allom_n take_v the_o best_a roman_a vitriol_n or_o the_o like_a you_o may_v know_v whether_o the_o vitriol_n be_v proper_a for_o this_o use_n or_o not_o by_o rub_v it_o on_o a_o piece_n of_o well_o polish_a iron_n if_o it_o be_v it_o will_v leave_v a_o copper_n colour_n on_o it_o then_o this_o vitriol_n the_o purification_n whereof_o we_o will_v give_v in_o the_o next_o chapter_n will_v make_v a_o aquafortis_n far_a more_o penetrate_a than_o the_o former_a now_o we_o come_v to_o show_v how_o to_o make_v the_o lute_n which_o we_o promise_v which_o though_o common_a be_v very_o useful_a in_o this_o case_n you_o must_v take_v one_o part_n of_o lome_n a_o fat_a earth_n which_o be_v find_v in_o river_n 3_o part_n of_o sand_n of_o common_a wood_n ash_n well_o sift_v and_o of_o the_o shearing_n of_o woollen_a cloth_n each_o one_o half_a mix_v the_o whole_a well_o together_o and_o put_v water_n to_o they_o make_v a_o soft_a past_a to_o which_o add_v one_o three_o part_n of_o common_a salt_n powder_a and_o work_v they_o all_o well_o together_o then_o use_v they_o in_o lute_v your_o vessel_n here_o follow_v the_o description_n of_o a_o useful_a furnace_n which_o may_v serve_v instead_o of_o several_a other_o the_o number_n whereof_o will_v be_v troublesome_a it_o be_v proper_a for_o several_a operation_n to_o render_v this_o furnace_n more_o intelligible_a to_o those_o who_o be_v not_o acquaint_v with_o it_o we_o have_v here_o give_v a_o cut_n of_o it_o whereon_o we_o have_v mark_v a._n b._n c._n the_o place_n make_v use_v of_o with_o their_o name_n that_o they_o may_v by_o the_o same_o letter_n here_o set_v down_o again_o be_v the_o better_o understand_v a._n be_v the_o ash-hole_n into_o which_o all_o the_o ash_n on_o the_o iron_n grate_v which_o go_v cross_v it_o fall_v down_o and_o which_o be_v take_v out_o with_o a_o little_a iron_n shovel_n or_o a_o sort_n of_o iron_n peel_n b._n be_v the_o space_n or_o whole_a room_n of_o the_o ash-hole_n c._n be_v the_o firegrate_n which_o ought_v to_o be_v of_o square_a iron_n bar_v lie_v with_o the_o edge_n upward_o that_o the_o ash_n may_v not_o lie_v thereon_o which_o they_o will_v do_v if_o the_o flat_n be_v upward_o d._n be_v the_o place_n where_o the_o fire_n be_v make_v of_o coal_n or_o wood._n e._n be_v the_o door_n of_o it_o f._n be_v several_a hole_n wherein_o be_v put_v iron_n bar_n which_o go_v cross_v from_o one_o side_n to_o the_o other_o to_o keep_v up_o the_o vessel_n wherein_o the_o matter_n to_o be_v work_v be_v contain_v stop_v up_o the_o other_o hole_n that_o be_v not_o use_v with_o lute_n g._n be_v the_o work_n hole_n or_o little_a laboratory_n of_o the_o furnace_n h._n be_v a_o semicircular_a open_n with_o the_o like_a hole_n in_o the_o cover_n to_o put_v the_o neck_n of_o the_o retort_n through_o when_o you_o distil_v in_o a_o reverberatory_n or_o otherwise_o i._o be_v the_o inner_a part_n of_o the_o work-hole_n of_o the_o furnace_n k._n be_v two_o register_n l._n be_v the_o cover_n of_o the_o furnace_n for_o 8_o register_n m._n be_v a_o round_a hole_n which_o serve_v for_o a_o register_n to_o reverberate_v and_o to_o pass_v the_o neck_n of_o the_o matrass_n through_o which_o be_v in_o balneo_fw-la whether_o in_o digestion_n or_o otherwise_o n._n be_v the_o register_n which_o be_v to_o be_v open_v or_o shut_v to_o augment_v or_o diminish_v the_o heat_n of_o the_o fire_n of_o the_o reverberatory_n 2._o for_o a_o reverberatory_n furnace_n if_o you_o cover_v the_o work-hole_n with_o its_o cover_n or_o door_n and_o