they_o well_o in_o the_o calcar_fw-la with_o a_o rake_n that_o they_o may_v be_v well_o calcine_v and_o continue_v this_o till_o they_o begin_v to_o grow_v into_o lump_n and_o come_v into_o piece_n as_o big_a as_o small_a nut_n the_o fritt_n will_v be_v well_o and_o perfect_o wrought_v in_o the_o space_n of_o 5_o hour_n be_v stir_v all_o that_o time_n and_o a_o sufficient_a fire_n continue_v and_o when_o you_o will_v see_v whether_o it_o be_v well_o make_v take_v a_o little_a of_o it_o out_o when_o cold_a if_o it_o be_v white_a yellowish_a and_o light_a then_o it_o be_v make_v the_o calcine_v of_o it_o more_o than_o 5_o hour_n be_v not_o amiss_o for_o by_o how_o much_o more_o it_o be_v wrought_v and_o calcine_v the_o better_a it_o be_v and_o the_o soon_o it_o melt_v in_o the_o pot_n and_o by_o stand_v a_o little_a long_o in_o the_o calcar_fw-la it_o consume_v and_o lose_v the_o yellowness_n and_o foulness_n which_o glass_n have_v in_o itself_o and_o it_o become_v more_o clear_a and_o 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black_a and_o all_o its_o unctuosity_n be_v burn_v away_o and_o till_o it_o begin_v to_o grow_v white_a but_o let_v it_o not_o become_v white_a for_o then_o the_o salt_n will_v not_o be_v good_a put_v the_o say_a tartar_n thus_o calcine_v into_o great_a earthen_a pan_n full_a of_o common_a water_n heat_v as_o also_o into_o earthen_a pot_n glaze_v &_o make_v it_o boil_v with_o a_o gentle_a soft_a fire_n in_o such_o sort_n that_o a_o quarter_n of_o the_o water_n may_v be_v exhale_v in_o two_o hour_n then_o take_v they_o from_o the_o fire_n and_o suffer_v the_o water_n to_o cool_v and_o become_v clear_a which_o decant_v off_o and_o it_o will_v be_v a_o strong_a lee_n then_o put_v in_o more_o common_a
the_o art_n of_o glass_n wherein_o be_v show_v the_o way_n to_o make_v and_o colour_n glass_n paste_n enamel_n lake_n and_o other_o curiosity_n write_a in_o italian_a by_o antonio_n neri_n and_o translate_v into_o english_a with_o some_o observation_n on_o the_o author_n whereunto_o be_v add_v a_o account_n of_o the_o glass_n drop_v make_v by_o the_o royal_a society_n meet_v at_o gresham_n college_n london_n print_v by_o a._n w._n for_o octavian_n pulleyn_n at_o the_o sign_n of_o the_o rose_n in_o st._n paul_n churchyard_n mdclxii_o to_o the_o most_o illustrious_a and_o excellent_a lord_n don_n antonio_n medici_n antonio_n neri_n have_v take_v much_o pain_n for_o many_o year_n from_o my_o youth_n about_o the_o art_n of_o glass_n and_o have_v experiment_v therein_o many_o true_a and_o marvellous_a conclusion_n i_o have_v compile_v a_o treatise_n of_o they_o with_o as_o much_o clearness_n as_o i_o can_v to_o the_o end_n to_o publish_v it_o to_o the_o world_n to_o please_v and_o delight_n as_o much_o as_o in_o i_o lay_v man_n understand_v in_o that_o profession_n have_v find_v out_o many_o thing_n by_o my_o own_o invention_n and_o some_o other_o try_v by_o able_a man_n and_o find_v most_o true_a i_o will_v make_v manifest_a those_o hide_a mystery_n for_o the_o reason_n abovesaid_a if_o i_o do_v attain_v this_o my_o intention_n it_o shall_v occasion_v i_o hereafter_o to_o be_v encourage_v to_o publish_v the_o rest_n of_o my_o labour_n about_o other_o chemical_a and_o physical_a matter_n have_v likewise_o in_o both_o experiment_a many_o most_o profitable_a credible_a and_o admirable_a conclusion_n for_o no_o other_o reason_n but_o to_o understand_v they_o true_o i_o judge_v that_o i_o ought_v not_o to_o dedicate_v this_o book_n to_o any_o other_o but_o your_o illustrious_a excellence_n who_o have_v be_v always_o my_o singular_a protector_n as_o also_o because_o you_o be_v understanding_n of_o this_o and_o of_o whatsoever_o noble_a and_o precious_a knowledge_n be_v exercise_v continual_o in_o all_o these_o art_n which_o be_v require_v in_o a_o true_a and_o generous_a prince_n i_o beseech_v you_o then_o to_o accept_v if_o not_o the_o work_n yet_o my_o devout_a mind_n towards_o your_o great_a merit_n and_o virtue_n of_o your_o most_o illustrious_a excellence_n for_o who_o i_o pray_v to_o god_n to_o prove_v on_o you_o all_o happiness_n from_o florence_n 6_o jan._n 1611._o to_o the_o curious_a reader_n there_o be_v no_o doubt_n that_o glass_n be_v one_o of_o the_o true_a fruit_n of_o the_o art_n of_o fire_n since_o that_o it_o be_v very_o much_o like_o to_o all_o sort_n of_o mineral_n and_o middle_a mineral_n although_o it_o be_v a_o compound_n and_o make_v by_o art_n it_o have_v fusion_n in_o the_o fire_n and_o permanencie_n in_o it_o likewise_o as_o the_o perfect_a and_o shine_a metal_n of_o gold_n it_o be_v refine_v and_o burnish_a and_o make_v beautiful_a in_o the_o fire_n it_o be_v manifest_a that_o its_o use_n in_o drink_v vessel_n and_o other_o thing_n profitable_a for_o man_n service_n be_v much_o more_o gentile_a graceful_a and_o noble_a than_o any_o metal_n or_o whatsoever_o stone_n fit_a to_o make_v such_o work_n and_o which_o beside_o the_o easiness_n and_o little_a charge_n wherewith_o it_o be_v make_v may_v be_v wrought_v in_o all_o place_n it_o be_v more_o delightful_a polite_a and_o sightly_o than_o any_o other_o material_a at_o this_o day_n know_v to_o the_o world_n it_o be_v a_o thing_n profitable_a in_o the_o service_n of_o the_o art_n of_o distil_v and_o spagyrical_n not_o to_o say_v necessary_a to_o prepare_v medicine_n for_o man_n which_o will_v be_v impossible_a to_o be_v make_v without_o the_o mean_n of_o glass_n so_o that_o herewith_o be_v make_v so_o many_o sort_n of_o instrument_n and_o vessel_n as_o body_n head_n receiver_n pelican_n lute_n retort_v athenor_n serpentine_n vial_n cruces_fw-la square_a and_o round_a vessel_n philosophical_a egg_n globe_n and_o infinite_a other_o sort_n of_o vessel_n which_o every_o day_n be_v invent_v to_o compose_v and_o make_v elixir_n arcana_fw-la quintessence_n salt_n sulphur_n vitriol_n mercury_n tincture_n 〈◊〉_d of_o element_n all_o metalline_a thing_n and_o many_o other_o which_o every_o day_n be_v find_v out_o and_o beside_o there_o be_v make_v other_o for_o aquafortis_n and_o aquaregia_a so_o necessary_a for_o refiner_n and_o master_n of_o prince_n mint_n to_o refine_v gold_n and_o silver_n and_o to_o bring_v they_o to_o their_o perfection_n indeed_o so_o many_o thing_n profitable_a for_o man_n use_n be_v make_v that_o seem_v impossible_a to_o be_v make_v without_o the_o use_n of_o it_o and_o the_o great_a providence_n of_o god_n be_v as_o well_o know_v by_o this_o as_o in_o every_o other_o thing_n who_o have_v make_v the_o matter_n of_o which_o glass_n be_v compound_v a_o thing_n so_o needful_a and_o profitable_a to_o man_n so_o abound_v in_o every_o place_n and_o region_n which_o with_o much_o ease_n may_v be_v every_o where_o make_v glass_n be_v also_o a_o great_a ornament_n to_o the_o church_n of_o god_n for_o herewith_o beside_o many_o other_o thing_n be_v make_v so_o many_o beautiful_a glass_n vessel_n adorn_v with_o fair_a picture_n wherein_o the_o metalline_a colour_n be_v in_o such_o sort_n advance_v and_o so_o lively_a that_o they_o seem_v to_o be_v so_o many_o oriental_a gem_n and_o in_o the_o glass_n furnace_n the_o glass_n be_v colour_v with_o so_o many_o colour_n with_o so_o much_o beauty_n and_o perfection_n that_o it_o seem_v no_o material_a on_o the_o earth_n can_v be_v find_v like_o it_o the_o invention_n of_o glass_n if_o it_o may_v be_v credit_v be_v most_o ancient_a for_o the_o holy_a scripture_n in_o the_o book_n of_o job_n chap._n 28._o say_v gold_n and_o glass_n shall_v not_o be_v equal_a to_o it_o etc._n etc._n which_o give_v clear_a testimony_n that_o glass_n be_v ancient_o invent_v for_o saint_n hierom_n say_v that_o job_n descend_v from_o abraham_n and_o be_v the_o son_n of_o zanech_n who_o descend_v from_o esau_n and_o so_o be_v the_o five_o from_o abraham_n himself_o some_o will_n and_o perhaps_o with_o some_o reason_n that_o the_o invention_n of_o glass_n be_v find_v out_o by_o the_o alchemist_n for_o they_o desire_v to_o imitate_v jewel_n find_v out_o glass_n a_o thing_n perhaps_o not_o far_o from_o truth_n for_o as_o i_o show_v clear_o in_o the_o five_o book_n of_o the_o present_a work_n the_o manner_n of_o imitate_v all_o jewel_n in_o which_o way_n be_v see_v the_o vitrification_n of_o stone_n which_o of_o themselves_o will_v never_o be_v melt_v nor_o vitrify_v pliny_n say_v that_o glass_n be_v find_v by_o chance_n in_o syria_n at_o the_o mouth_n of_o the_o river_n bellus_n by_o certain_a merchant_n drive_v thither_o by_o the_o fortune_n of_o the_o sea_n and_o constrain_v to_o abide_v there_o and_o to_o dress_v their_o provision_n by_o make_v fire_n upon_o the_o ground_n where_o be_v great_a store_n of_o this_o sort_n of_o herb_n which_o many_o call_n kali_n the_o ash_n whereof_o make_v barillia_fw-la and_o rochetta_n this_o herb_n burn_v with_o fire_n and_o therewith_o the_o ash_n &_o salt_n be_v unite_v with_o sand_n or_o stone_n fit_a to_o be_v vitrify_v be_v make_v glass_n a_o thing_n that_o inlighten_v man_n understanding_n with_o the_o mean_n and_o manner_n of_o make_v not_o only_a glass_n but_o crystal_n and_o crystalline_a and_o so_o many_o other_o beautiful_a thing_n which_o be_v make_v thereof_o many_o assert_v that_o in_o the_o time_n of_o tiberius_n the_o emperor_n be_v invent_v the_o way_n of_o make_v glass_n malleable_a a_o thing_n afterward_o lose_v and_o to_o this_o day_n whole_o unknown_a for_o if_o such_o a_o thing_n be_v now_o know_v without_o doubt_n it_o will_v be_v more_o esteem_v for_o its_o beauty_n and_o incorruptibility_n than_o silver_n and_o gold_n since_o from_o glass_n there_o arise_v neither_o rust_n nor_o taste_v nor_o smell_v nor_o any_o other_o quality_n moreover_o it_o bring_v to_o man_n great_a profit_n 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the_o earth_n i_o have_v labour_v a_o long_a time_n in_o the_o art_n of_o glass_n and_o therein_o see_v many_o thing_n i_o be_v move_v to_o make_v know_v to_o the_o world_n a_o part_n of_o that_o which_o i_o have_v see_v and_o wrought_v therein_o and_o although_o the_o manner_n of_o make_v salt_n lees_n and_o frittae_n be_v know_v to_o many_o yet_o notwithstanding_o it_o seem_v to_o i_o that_o this_o matter_n require_v to_o be_v handle_v as_o i_o do_v clear_o and_o distinct_o with_o some_o observation_n and_o diligence_n which_o if_o well_o consider_v will_v not_o be_v judge_v altogether_o unprofitable_a but_o perhaps_o necessary_a and_o know_v to_o few_o beside_o in_o my_o particular_a way_n of_o extract_a salt_n to_o make_v a_o most_o noble_a crystal_n that_o if_o the_o workman_n shall_v be_v diligent_a in_o make_v it_o as_o i_o do_v publish_v and_o teach_v it_o with_o clear_a demonstration_n he_o shall_v do_v a_o thing_n as_o beautiful_a and_o noble_a as_o happy_o be_v make_v in_o 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that_o company_n far_o more_o adapt_v for_o this_o undertake_n than_o myself_o beside_o i_o doubt_v not_o but_o you_o will_v much_o promote_v by_o your_o practice_n the_o art_n it_o be_v self_n there_o be_v scarce_o any_o thing_n contain_v in_o it_o but_o you_o have_v already_o judicious_o have_v experience_n in_o not_o because_o this_o translation_n will_v any_o whit_n avail_v you_o since_o your_o skill_n in_o the_o native_a language_n be_v sufficient_o know_v to_o all_o that_o have_v the_o honour_n to_o be_v acquaint_v with_o you_o but_o may_v be_v compendious_a to_o you_o for_o such_o as_o you_o shall_v employ_v in_o these_o operation_n furthermore_o i_o have_v herein_o also_o satisfy_v your_o vast_a desire_n of_o communicate_v knowledge_n to_o other_o who_o though_o intelligent_a of_o the_o language_n can_v not_o procure_v copy_n in_o the_o original_a and_o last_o the_o candour_n of_o your_o genius_n no_o less_o than_o that_o of_o your_o intellectual_n ready_a to_o excuse_v the_o 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till_o you_o see_v it_o thicken_v and_o shoot_v its_o salt_n which_o be_v wont_a to_o be_v about_o the_o begin_n of_o 24_o hour_n for_o then_o in_o the_o superficies_n of_o the_o copper_n you_o will_v begin_v to_o see_v white_a salt_n appear_v like_o a_o spider_n web_n or_o white_a thread_n then_o hold_v a_o scummer_v full_a of_o hole_n at_o the_o bottom_n of_o the_o copper_n and_o the_o salt_n will_v fall_v upon_o it_o and_o now_o and_o then_o take_v it_o out_o suffer_v the_o lees_n to_o run_v out_o well_o off_o it_o into_o the_o copper_n than_o put_v the_o salt_n into_o tub_n or_o earthen_a pan_n that_o the_o lee_n may_v be_v better_o drain_v the_o liquor_n that_o drain_v must_v be_v save_v and_o put_v into_o the_o copper_n then_o dry_a the_o salt_n continue_v this_o work_n till_o all_o the_o salt_n be_v get_v out_o of_o the_o copper_n but_o you_o must_v observe_v when_o the_o salt_n begin_v to_o shoot_v to_o make_v a_o gentle_a and_o easy_a fire_n for_o a_o great_a fire_n make_v the_o salt_n stick_v to_o the_o copper_n and_o then_o the_o salt_n become_v strong_a always_o break_v the_o copper_n which_o thing_n have_v sometime_o happen_v to_o i_o wherefore_o observe_v this_o chief_o use_v great_a patience_n and_o diligence_n the_o salt_n in_o the_o pan_n or_o tub_n be_v well_o drain_v must_v be_v take_v and_o put_v into_o wooden_a tub_n or_o fat_n the_o better_a to_o dry_v out_o all_o the_o moisture_n which_o happen_v in_o more_o or_o few_o day_n according_a to_o the_o season_n in_o which_o it_o be_v make_v the_o secret_a then_o of_o make_v much_o and_o good_a salt_n consist_v in_o the_o tartar_n as_o be_v before_o demonstrate_v from_o every_o three_o hundred_o pound_n of_o ash_n i_o usual_o get_v from_o 80_o to_o 90_o pound_n of_o salt_n when_o the_o salt_n be_v well_o dry_a beat_v it_o gross_o and_o put_v it_o into_o the_o calcar_fw-la to_o dry_a with_o a_o most_o gentle_a heat_n and_o with_o a_o iron_n rake_v it_o must_v be_v break_v and_o mix_v as_o the_o 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of_o hard_a and_o most_o white_a marble_n find_v in_o tuscany_n at_o the_o foot_n of_o the_o verucola_n of_o pisa_n at_o seraveza_n and_o at_o the_o massa_n of_o carara_n and_o in_o the_o river_n arnus_n above_o and_o below_o florence_n and_o it_o be_v also_o well_o know_v in_o other_o place_n note_v that_o those_o stone_n which_o strike_v fire_n with_o a_o steel_n be_v fit_a to_o vitrifie_v and_o to_o make_v glass_n and_o crystal_n and_o those_o which_o strike_v not_o fire_n with_o a_o steel_n will_v never_o vitrifie_v which_o serve_v for_o advice_n to_o know_v the_o stone_n that_o may_v be_v transmute_v from_o those_o that_o will_v not_o be_v transmute_v into_o glass_n take_v then_o of_o the_o best_a tarso_n pound_v small_a and_o serce_v as_o fine_a as_o flower_n 200_o pound_n of_o salt_n of_o polverine_n pound_v and_o fift_v also_o about_o 130_o pound_n mix_v they_o well_o together_o then_o put_v they_o into_o the_o calcar_fw-la which_o at_o first_o must_v be_v well_o heat_v for_o 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a_o temperate_a fire_n for_o some_o hour_n in_o the_o furnace_n and_o let_v they_o stand_v till_o half_a the_o water_n be_v evaporate_v the_o furnace_n be_v cold_a gentle_o decant_v off_o the_o water_n into_o earthen_a pan_n glaze_v put_v new_a water_n upon_o the_o remainder_n of_o the_o polverine_n and_o let_v it_o boil_v as_o before_o this_o be_v to_o be_v repeat_v till_o the_o water_n have_v extract_v all_o the_o salt_n which_o be_v know_v when_o the_o water_n appear_v to_o the_o taste_v not_o at_o all_o saltish_a and_o to_o the_o eye_n when_o it_o be_v void_a of_o colour_n take_v of_o these_o lees_n what_o quantity_n you_o will_v let_v they_o be_v filter_v and_o stand_v in_o glaze_v pan_n four_o or_o six_o day_n to_o settle_v which_o by_o this_o mean_n will_v leave_v a_o great_a part_n of_o their_o terrestriety_n than_o put_v they_o to_o filter_n anew_o thus_o will_v they_o be_v purify_v and_o separate_v from_o a_o great_a part_n of_o their_o terrestriety_n then_o let_v these_o lees_n be_v set_v to_o evaporate_v in_o great_a glass_n body_n lute_v at_o the_o bottom_n in_o furnace_n in_o ash_n or_o sand_n at_o a_o gentle_a fire_n and_o at_o last_o when_o the_o stuff_n be_v dry_v observe_v that_o you_o fire_n be_v very_o gentle_a that_o the_o salt_n be_v not_o burn_v nor_o waste_v when_o the_o salt_n be_v dry_v take_v out_o the_o glass_n body_n and_o see_v if_o they_o be_v break_v at_o the_o bottom_n which_o be_v wont_a to_o happen_v often_o in_o which_o case_n put_v the_o say_a salt_n into_o other_o good_a glass_n well_o lute_v at_o the_o bottom_n and_o fill_v they_o at_o the_o top_n with_o common_a pure_a and_o clean_a water_n which_o set_v in_o
they_o wet_v they_o again_o with_o aquafortis_n and_o dry_v they_o repeat_v this_o several_a time_n and_o you_o shall_v have_v a_o red_a powder_n as_o be_v say_v of_o crocus_n make_v with_o brimstone_n than_o powder_n serce_a &_o keep_v it_o for_o your_o use_n to_o colour_v glass_n a_o four_o way_n to_o make_v crocus_n martis_n chap._n xix_o this_o be_v the_o four_o and_o last_o way_n to_o make_v crocus_n martis_n and_o perhaps_o the_o best_a of_o all_o though_o each_o of_o the_o way_n show_v by_o i_o be_v not_o only_o good_a and_o perfect_a in_o their_o operation_n but_o necessary_a also_o for_o divers_a colour_n necessary_o &_o daily_o make_v in_o glass_n &_o to_o make_v this_o dissolve_v in_o aquafortis_n make_v aqua-regis_a with_o sal_fw-la ammoniac_a as_o shall_v be_v say_v in_o our_o rule_n of_o calcidony_n file_n of_o iron_n or_o steel_n in_o a_o glass_n vessel_n well_o close_v keep_v they_o so_o 3_o day_n &_o every_o day_n stir_v they_o well_o observe_v when_o the_o say_a water_n be_v put_v upon_o the_o file_n that_o it_o be_v do_v leisurely_o &_o wary_o because_o it_o rise_v much_o and_o endanger_v the_o break_n of_o the_o glass_n or_o else_o all_o to_o run_v out_o at_o the_o end_n of_o 3_o day_n let_v the_o water_n be_v gentle_o evaporate_v away_o and_o in_o the_o bottom_n will_v be_v find_v a_o most_o noble_a crocus_n martis_n for_o the_o most_o stupendous_a tincture_n of_o glass_n which_o keep_v for_o use_v to_o calcine_v brass_n call_v orpello_n or_o tremolante_n which_o in_o glass_n make_v a_o sky_n colour_n and_o sea_n green_a chap._n xx._n brass_n as_o it_o be_v well_o know_v be_v copper_n which_o by_o lapis_n calaminaris_n become_v of_o the_o colour_n of_o gold_n the_o which_o lapis_n calaminaris_n do_v not_o only_o colour_v the_o copper_n but_o also_o incorporate_n with_o it_o increase_v much_o its_o weight_n 3_o the_o which_o augmentation_n give_v a_o colour_n to_o glass_n when_o it_o be_v well_o calcine_v which_o be_v a_o thing_n very_o delightful_a to_o see_v keep_v the_o medium_n between_o a_o sea-green_a and_o a_o skie-colour_n when_o the_o sky_n be_v clear_a and_o serene_a wherefore_o be_v diligent_a in_o well_o calcine_v it_o to_o make_v it_o punctual_o this_o be_v the_o way_n take_v brass_n and_o to_o save_v charge_n buy_v that_o which_o be_v in_o work_n and_o festoon_n cut_v it_o in_o small_a piece_n with_o a_o pair_n of_o sciser_n than_o put_v it_o into_o a_o chrysible_a cover_v and_o lute_v at_o the_o top_n in_o coal_n on_o a_o strong_a fire_n i_o put_v it_o in_o the_o burn_a coal_n of_o the_o furnace_n where_o they_o be_v stir_v there_o let_v it_o then_o stand_v four_o day_n in_o a_o great_a but_o not_o in_o a_o melt_a fire_n for_o if_o it_o be_v melt_v all_o the_o labour_n be_v lose_v in_o that_o time_n it_o will_v be_v well_o calcine_v powder_n it_o into_o a_o most_o subtle_a powder_n and_o serce_v it_o and_o grind_v it_o fine_a upon_o a_o porphyry_n stone_n and_o there_o will_v come_v forth_o a_o black_a powder_n which_o spread_v on_o tile_n and_o keep_v it_o on_o the_o burn_a coal_n in_o the_o leer_n near_o to_o the_o round_a hole_n four_o day_n take_v from_o it_o the_o ash_n that_o fall_v upon_o it_o powder_n serce_a and_o keep_v it_o for_o use_n the_o sign_n that_o it_o be_v well_o calcine_v be_v that_o if_o it_o be_v put_v into_o glass_n it_o make_v it_o swell_v and_o when_o it_o make_v not_o the_o glass_n arise_v and_o boil_v well_o it_o be_v a_o sign_n either_o that_o it_o be_v not_o well_o calcine_v or_o that_o it_o be_v too_o much_o burn_v in_o which_o two_o case_n it_o make_v not_o the_o glass_n boil_v neither_o do_v it_o colour_n well_o to_o calcine_v the_o say_a brass_n after_o another_o manner_n to_o make_v a_o transparent_a red_a a_o yellow_a and_o calcidony_n chap._n xxi_o take_v brass_n and_o cut_v it_o small_a with_o shears_n and_o put_v it_o in_o a_o melt_a pot_n make_v a_o s_o s_o s._n with_o powder_a brimstone_n and_o set_v it_o on_o kindle_a coal_n put_v it_o in_o the_o burn_a coal_n of_o the_o furnace_n to_o calcine_v for_o 24_o hour_n than_o powder_n serce_a and_o put_v it_o cover_v upon_o tile_n of_o earth_n into_o the_o furnace_n for_o 12_o day_n to_o reverberate_v then_o grind_v powder_n and_o keep_v it_o for_o use_n sea-green_a in_o glass_n a_o principal_a colour_n in_o the_o art_n chap._n xxii_o sea-green_a be_v one_o of_o the_o principal_a colour_n give_v to_o glass_n and_o if_o you_o will_v have_v it_o fair_a and_o to_o hold_v at_o all_o trial_n you_o must_v always_o make_v it_o in_o glass_n call_v artificial_a crystal_n for_o in_o ordinary_a metal_n it_o arife_v not_o fair_a and_o though_o in_o crystalline_a it_o arise_v fair_a than_o in_o common_a glass_n yet_o in_o the_o say_a crystal_n only_o in_o perfection_n observe_v that_o when_o ever_o you_o will_v make_v this_o colour_n you_o in_o no_o wise_n add_v any_o manganese_n at_o first_o because_o this_o be_v add_v although_o the_o fire_n afterward_o consume_v it_o yet_o it_o leave_v a_o quality_n in_o the_o glass_n which_o make_v the_o colour_n black_a and_o give_v it_o great_a imperfection_n and_o foulness_n now_o to_o make_v a_o fair_a sea-green_a take_v of_o crystal_n fritt_n and_o put_v it_o in_o a_o pot_n not_o allow_v it_o any_o manganese_n at_o all_o and_o as_o soon_o as_o it_o be_v melt_v and_o clear_a it_o yield_v a_o salt_n which_o swim_v at_o the_o top_n like_o oil_n let_v this_o be_v take_v off_o with_o iron_n ladle_n by_o the_o conciator_n take_v it_o out_o with_o much_o diligence_n for_o what_o remain_v thereof_o will_v make_v a_o foul_a and_o oily_a colour_n and_o when_o the_o glass_n be_v well_o and_o perfect_o clarify_v take_v a_o pot_n of_o about_o twenty_o pound_n of_o crystal_n six_o ounce_n of_o brass_n prepare_v as_o be_v aforesaid_a and_o to_o this_o brass_n calcine_v add_v a_o four_o part_n of_o zaffer_n prepare_v and_o let_v these_o two_o powder_n be_v well_o mix_v and_o put_v to_o the_o say_a crystal_n at_o three_o time_n but_o at_o first_o this_o powder_n will_v make_v the_o metal_n swell_v very_o much_o and_o you_o must_v well_o mix_v the_o glass_n with_o the_o long_a square_n then_o let_v the_o metal_n settle_v that_o the_o colour_n may_v be_v incorporate_v for_o three_o hour_n then_o mix_v they_o again_o with_o the_o long_a square_n then_o take_v a_o proof_n thereof_o in_o do_v whereof_o put_v in_o rather_o too_o little_a than_o too_o much_o for_o the_o colour_n may_v be_v easy_o heighten_v which_o be_v to_o be_v do_v according_a to_o the_o work_n for_o which_o it_o be_v to_o be_v employ_v for_o gross_a tube_n for_o count_a house_n require_v not_o so_o deep_a and_o full_a a_o colour_n and_o tube_n to_o make_v bead_n of_o must_v not_o have_v too_o light_a a_o colour_n at_o the_o beginning_n of_o twenty_o four_o hour_n after_o it_o have_v have_v the_o due_a colour_n it_o may_v be_v wrought_v and_o before_o you_o work_v it_o mix_v well_o the_o metal_n from_o the_o very_a bottom_n of_o the_o pot_n that_o the_o colour_n may_v be_v well_o unite_v mix_v and_o spread_v through_o all_o the_o metal_n otherwise_o it_o settle_v to_o the_o bottom_n and_o the_o metal_n at_o the_o top_n become_v clear_a this_o manner_n of_o make_v sea-green_a i_o have_v try_v at_o florence_n in_o the_o year_n 1602_o and_o make_v pot_n for_o tube_n for_o count_a house_n always_o of_o a_o most_o fair_a colour_n at_o moran_n for_o the_o say_a tube_n they_o take_v half_a crystal_n fritt_n and_o half_a rochetta_n fritt_n from_o whence_o notwithstanding_o proceed_v a_o fair_a sea-green_a although_o in_o crystal_n alone_o it_o arise_v most_o fair_a sky_n colour_n or_o sea-green_a chap._n xxiii_o set_v in_o the_o furnace_n a_o pot_n of_o pure_a metal_n of_o fritt_n from_o rochetta_n or_o barillia_fw-la of_o spain_n the_o rochetta_n of_o the_o levant_n do_v best_a as_o soon_o as_o the_o metal_n be_v well_o purify_v then_o take_v to_o a_o pot_n of_o 20_o pound_n six_o ounce_n of_o brass_n calcine_v of_o its_o self_n as_o in_o 20_o chap._n put_v it_o into_o the_o metal_n as_o be_v say_v in_o the_o skie-colour_n in_o every_o particular_a observe_v that_o this_o metal_n be_v skum_v very_o diligent_o with_o a_o ladle_n at_o the_o end_n of_o two_o hour_n the_o metal_n must_v be_v very_o well_o remix_v take_v thereof_o a_o proof_n and_o leave_v it_o so_o 24_o hour_n than_o it_o be_v mix_v and_o wrought_v and_o this_o will_v be_v a_o most_o fair_a and_o marvellous_a skie-colour_n vary_v with_o other_o colour_n which_o be_v make_v in_o the_o art_n of_o glass_n this_o colour_n tinge_v many_o pot_n in_o pisa_n in_o the_o year_n 1602_o and_o there_o come_v out_o a_o fair_a colour_n bear_v all_o
proof_n a_o red_a colour_n from_o brass_n for_o many_o colour_n chap._n xxiv_o take_v brass_n in_o small_a plate_n and_o put_v they_o on_o the_o arch_n of_o the_o furnace_n leave_v they_o there_o close_v until_o they_o be_v well_o calcine_v of_o themselves_o with_o a_o simple_a fire_n but_o not_o to_o melt_v as_o soon_o as_o it_o be_v calcine_v &_o powder_v it_o will_v become_v a_o red_a powder_n for_o many_o and_o those_o all_o necessary_a use_n in_o the_o art_n of_o glass_n brass_n thrice_o calcine_v to_o colour_n glass_n chap._n xxv_o put_v the_o say_a brass_n into_o the_o fornello_n or_o on_o the_o lere_n of_o the_o furnace_n near_o to_o the_o occhio_n into_o earthen_a tile_n or_o pan_n bake_v calcine_v it_o four_o day_n together_o and_o it_o will_v become_v a_o black_a powder_n and_o stick_v together_o powder_n it_o again_o serce_v it_o fine_a and_o recalcine_a it_o as_o before_o four_o or_o five_o day_n for_o than_o it_o will_v not_o stick_v together_o nor_o become_v so_o black_a but_o russet_a and_o powder_n of_o itself_o wherewith_o be_v make_v a_o sea-green_a and_o emeral'd-green_a the_o arabian_a colour_n call_v turcois_n a_o very_a beautiful_a sky_n colour_n with_o many_o other_o wherefore_o observe_v that_o it_o be_v not_o too_o much_o nor_o too_o little_o calcine_v at_o the_o three_o calcination_n for_o in_o this_o case_n it_o colour_n not_o the_o glass_n well_o &_o the_o sign_n that_o it_o be_v do_v perfect_o be_v that_o be_v put_v upon_o purify_a metal_n it_o make_v it_o swell_v &_o boil_v sudden_o and_o when_o it_o do_v not_o so_o it_o be_v not_o good_a nor_o well_o calcine_v a_o sea-green_a in_o artificial_a crystal_n chap._n xxvi_o to_o a_o pot_n of_o crystal_n fritt_n contain_v 40_o pound_n not_o charge_v with_o any_o manganese_n but_o well_o scum_v for_o when_o you_o will_v make_v a_o sea-green_a never_o cast_v the_o crystal_n into_o water_n but_o only_o scum_v it_o careful_o when_o this_o fritt_n be_v melt_v and_o well_o purify_v take_v 12_o ounce_n of_o thrice_o calcine_v brass_n and_o therewith_o mix_v half_a a_o ounce_n of_o zaffer_n prepare_v unite_z these_o two_o powder_n well_o together_o and_o put_v this_o mixture_n into_o the_o pot_n at_o four_o time_n for_o so_o the_o glass_n receive_v it_o better_o mix_v the_o glass_n and_o powder_n with_o diligence_n let_v they_o stand_v two_o hour_n then_o remix_v they_o &_o take_v a_o proof_n &_o if_o the_o colour_n be_v full_a enough_o let_v they_o stand_v and_o although_o the_o sea-green_a appear_v too_o full_a yet_o the_o salt_n which_o be_v in_o the_o glass_n will_v eat_v up_o and_o consume_v the_o say_a greeness_n and_o will_v always_o incline_v it_o to_o a_o blewishness_n and_o at_o the_o begin_n of_o 24_o hour_n it_o may_v be_v wrought_v i_o have_v many_o time_n experiment_v this_o way_n of_o make_v sea-green_a without_o ever_o err_a and_o if_o a_o moiety_n of_o rochetta_n first_o be_v mix_v with_o crystal_n frit_n there_o will_v arise_v a_o fair_a sea-green_a and_o in_o crystal_n alone_o it_o be_v marvellous_a fair_a general_a observation_n for_o all_o colour_n chap._n xxvii_o that_o the_o colour_n may_v arise_v in_o full_a beauty_n and_o perfection_n observe_v that_o every_o pot_n great_a or_o small_a that_o be_v new_a and_o put_v the_o first_o time_n into_o the_o furnace_n leave_v a_o foulness_n in_o glass_n from_o its_o terrestriety_n so_o that_o all_o the_o colour_n that_o be_v make_v in_o they_o appear_v bad_a and_o foul_a wherefore_o those_o pot_n that_o be_v very_o great_a may_v be_v glaze_v with_o white_a melt_a glass_n as_o the_o conciator_n well_o know_v but_o the_o second_o time_n the_o pot_n lose_v this_o foulness_n observe_v second_o that_o those_o pot_n which_o serve_v for_o one_o colour_n must_v not_o be_v use_v for_o another_o for_o example_n a_o pot_n which_o have_v be_v use_v for_o yellow_a be_v not_o good_a to_o make_v a_o grain_n colour_n and_o that_o which_o make_v a_o grain-colour_n be_v not_o good_a to_o make_v a_o green-colour_n and_o that_o which_o serve_v for_o a_o red_a be_v nor_o good_a to_o make_v a_o blue_a and_o so_o of_o all_o other_o colour_n therefore_o every_o colour_n must_v have_v it_o be_v own_o pot_n for_o in_o this_o manner_n the_o colour_n will_v become_v more_o perfect_a three_o that_o the_o powder_n be_v well_o calcine_v that_o be_v neither_o too_o much_o nor_o too_o little_a for_o in_o either_o of_o these_o case_n they_o do_v not_o colour_v well_o four_o that_o a_o due_a proportion_n and_o dose_n be_v use_v and_o the_o mixture_n be_v make_v in_o proportion_n and_o the_o furnace_n be_v hot_a and_o feed_v with_o dry_a and_o hard_a wood_n five_o that_o the_o colour_n must_v be_v use_v divide_o to_o wit_n one_o part_n in_o the_o fritt_n and_o the_o other_o in_o the_o metal_n when_o it_o be_v melt_v and_o purify_v there_o be_v other_o observation_n also_o which_o shall_v be_v treat_v of_o in_o their_o place_n when_o we_o treat_v particular_o of_o colour_n to_o make_v copper_n thrice_o calcine_v with_o more_o ease_n and_o less_o charge_n than_o the_o former_a chap._n xxviii_o take_v the_o scale_n which_o the_o brafier_n make_v when_o they_o hammer_v pan_n kettle_n or_o other_o work_n of_o brass_n which_o be_v often_o put_v into_o the_o fire_n the_o workman_n hammer_v they_o and_o these_o scale_n fall_v off_o which_o cost_v much_o less_o than_o solid_a brass_n wherewith_o be_v make_v the_o stuff_n hereafter_o describe_v and_o to_o calcine_v it_o you_o need_v not_o open_a and_o shut_v again_o the_o arch_n of_o the_o furnace_n as_o in_o the_o aforementioned_a way_n a_o thing_n of_o much_o disadvantage_n and_o disturbance_n to_o the_o furnace_n take_v then_o those_o scale_n that_o be_v clean_a and_o free_a from_o all_o earth_n and_o foulness_n wash_v they_o with_o warm_a water_n many_o time_n from_o their_o filth_n and_o uncleaness_n and_o then_o let_v they_o be_v put_v into_o pot_n and_o pan_n of_o bake_a earth_n and_o be_v keep_v in_o the_o leer_n near_o the_o occhio_n or_o in_o furnace_n make_v for_o this_o purpose_n i_o make_v at_o pisa_n a_o little_a furnace_n in_o the_o fashion_n of_o a_o little_a calcar_fw-la where_o be_v calcine_v 20_o or_o 25_o pound_n of_o these_o scale_n in_o few_o hour_n now_o let_v they_o stand_v in_o the_o say_a place_n four_o day_n then_o renew_v they_o powder_n and_o serce_v they_o fine_a then_o again_o put_v they_o in_o the_o pan_n and_o pot_n of_o earth_n as_o before_o with_o the_o same_o fire_n and_o heat_n as_o aforesaid_a for_o four_o day_n more_o and_o they_o will_v come_v into_o a_o black_a powder_n and_o run_v into_o lump_n beat_v and_o serce_v those_o lump_n fine_a and_o repeat_v this_o process_n again_o and_o a_o three_o time_n than_o the_o scale_n will_v be_v prepare_v with_o much_o less_o charge_n than_o the_o former_a and_o will_v thorough_o have_v the_o same_o effect_n as_o the_o former_a these_o scale_n rise_v much_o wherefore_o use_v the_o prescribe_a care_n a_o fair_a sea-green_a in_o crystal_n metal_n with_o the_o abovesaid_a scale_n chap._n xxix_o take_v a_o pot_n of_o sixty_o pound_n of_o crystal_n fritt_n well_o scum_v and_o not_o cast_v into_o water_n i_o make_v a_o sea-green_a without_o wet_v the_o crystal_n metal_n and_o think_v that_o it_o come_v out_o better_o but_o we_o may_v make_v trial_n of_o both_o way_n and_o stick_v to_o the_o best_a then_o take_v of_o metal_n well_o purify_v the_o say_v 60_o pound_n and_o one_o pound_n and_o a_o half_a of_o the_o say_a scale_n make_v with_o less_o charge_n four_o ounce_n of_o zaffer_n prepare_v mix_v well_o these_o two_o powder_n together_o put_v they_o to_o the_o crystal_n at_o four_o time_n mix_v well_o the_o powder_n with_o the_o metal_n for_o two_o hour_n than_o put_v it_o again_o to_o be_v well_o remix_v as_o it_o be_v usual_a and_o take_v a_o proof_n herewith_o i_o have_v make_v many_o time_n a_o most_o fair_a sea-green_a with_o happy_a success_n mix_v half_a crystal_n with_o rochetta_n and_o you_o shall_v have_v a_o sea-green_a every_o way_n beautiful_a a_o sea-green_a of_o lesser_a charge_n chap._n xxx_o take_v the_o same_o brass_n prepare_v as_o before_o with_o the_o same_o quantity_n of_o zaffer_n put_v they_o in_o the_o same_o manner_n and_o form_n to_o the_o rochetta_n of_o the_o levant_n and_o also_o to_o that_o of_o spain_n neither_o of_o which_o have_v have_v any_o manganese_n and_o which_o have_v be_v well_o skum_v and_o not_o pass_v through_o water_n use_v the_o rule_n as_o abovesaid_a in_o crystal_n for_o by_o this_o mean_v it_o will_v receive_v a_o very_a fair_a blue_n for_o all_o sort_n of_o work_n and_o will_v cost_v much_o less_o than_o crystal_n for_o the_o rochetta_n be_v of_o much_o less_o value_n than_o the_o crystal_n as_o it_o be_v know_v in_o this_o
at_o three_o time_n and_o incorporate_v and_o mix_v they_o that_o the_o glass_n may_v take_v in_o the_o powder_n in_o do_v whereof_o it_o raise_v certain_a blue_n fume_n as_o soon_o as_o it_o be_v well_o mix_v let_v the_o glass_n stand_v a_o hour_n then_o put_v in_o another_o mixture_n and_o so_o let_v it_o alone_o 24_o hour_n then_o let_v the_o glass_n be_v well_o mix_v and_o take_v thereof_o a_o essay_n which_o will_v have_v a_o yellowish_a azure_a colour_n this_o proof_n be_v return_v many_o time_n into_o the_o furnace_n and_o take_v when_o it_o begin_v to_o grow_v cold_a will_v show_v some_o wave_n and_o divers_a colour_n very_o fair_a then_o take_v tartar_n eight_o ounce_n soot_n of_o the_o chimney_n well_o virrify_v two_o ounce_n crocus_n martis_n calcine_v with_o brimstone_n half_a a_o ounce_n put_v by_o little_a and_o little_a all_o these_o well_o powder_a and_o mix_v into_o this_o glass_n at_o six_o time_n expect_v a_o little_a while_n at_o each_o time_n still_o mix_v the_o glass_n that_o the_o powder_n may_v be_v well_o incorporate_v as_o soon_o as_o all_o the_o powder_n be_v put_v in_o let_v the_o glass_n boil_v and_o settle_v 24_o hour_n at_o least_o then_o make_v a_o little_a glass_n body_n of_o it_o which_o put_v in_o the_o furnace_n many_o time_n and_o see_v if_o the_o glass_n be_v enough_o and_o if_o there_o be_v on_o the_o outside_n toy_n of_o blue_n and_o sea-green_a red_a yellow_a and_o all_o colour_n with_o toy_n and_o it_o have_v some_o wave_n such_o as_o calcidony_n jasper_n oriental_a agat_n have_v and_o that_o the_o body_n keep_v within_o be_v as_o to_o the_o sight_n as_o red_a as_o fire_n now_o as_o soon_o as_o it_o be_v make_v and_o perfect_v it_o be_v wrought_v into_o vessel_n always_o variegated_a which_o be_v not_o to_o be_v remake_v for_o they_o do_v not_o arise_v well_o these_o vessel_n may_v be_v make_v of_o divers_a sort_n and_o drink_v glass_n of_o many_o fashion_n broad_o drink_v cup_n salt_n flower_n pot_n and_o the_o like_a toy_n still_o observe_v that_o the_o master_n workman_n pinch_v off_o well_o you_o glass_n that_o be_v wrought_v with_o pincer_n and_o anneal_a it_o sufficient_o that_o it_o may_v make_v wave_n and_o toy_n of_o the_o fair_a colour_n you_o may_v also_o make_v with_o this_o pot_n dish_n pretty_a large_a in_o oval_n triangular_a quadrangular_a form_n as_o you_o will_v and_o afterward_o work_v it_o at_o the_o wheel_n as_o jewel_n for_o it_o take_v polish_n and_o a_o fine_a lustre_n and_o it_o may_v serve_v for_o little_a table_n and_o cabinet_n so_o that_o those_o little_a jewel_n will_v represent_v the_o oriental_a agate_n jasper_n and_o oriental_a calcidony_n and_o when_o it_o happen_v that_o the_o colour_n fade_v and_o the_o glass_n become_v transparent_a and_o no_o more_o opacous_a as_o it_o ought_v to_o be_v for_o these_o work_n then_o cease_v from_o work_v put_v to_o it_o new_a tartar_n calcine_v soot_n and_o crocus_n for_o thus_o as_o before_o it_o take_v a_o body_n and_o opacousness_n and_o make_v the_o colour_n appear_v set_v it_o then_o to_o purify_v many_o hour_n that_o the_o new_a powder_n put_v in_o may_v be_v incoporate_v as_o it_o be_v usual_a then_o work_v it_o this_o be_v my_o way_n to_o make_v calcidony_n in_o the_o year_n 1661._o in_o florence_n at_o casino_n in_o the_o glass_n furnace_n at_o which_o time_n i_o cause_v to_o work_v in_o the_o furnace_n the_o brave_a gentleman_n nicolao_n landiamo_n my_o familiar_a friend_n and_o a_o man_n rare_a in_o work_v enamel_n at_o the_o lamp_n in_o which_o furnace_n i_o make_v many_o cup_n of_o calcidony_n at_o the_o same_o time_n which_o always_o be_v fair_a to_o all_o essay_n never_o depart_v from_o the_o aforesaid_a rule_n and_o have_v the_o material_n well_o prepare_v the_o second_o calcidony_n chap._n xliii_o 1._o in_o a_o pound_n of_o aquafortis_n dissolve_v three_o ounce_n of_o fine_a silver_n cut_v small_a in_o a_o glass_n body_n well_o close_v set_v this_o aside_o 2._o in_o another_o glass_n body_n put_v one_o pound_n of_o aquafortis_n wherein_o dissolve_v 5_o ounce_n of_o mercury_n well_o purify_v close_o the_o body_n well_o and_o set_v that_o aside_o 3._o in_o another_o little_a glass_n body_n put_v one_o pound_n of_o aquafortis_n wherein_o dissolve_v two_o ounce_n of_o shall_fw-mi ammoniac_a then_o put_v into_o this_o dissolution_n of_o crocus_n martis_n make_v with_o aquafortis_n ferretta_n of_o spain_n copper_n calcine_v red_a as_o in_o chap._n 24._o brass_n calcine_v with_o sulphur_n of_o each_o half_n a_o ounce_n put_v all_o these_o material_n well_o grind_v and_o powder_v by_o themselves_o and_o then_o one_o by_o one_o into_o the_o body_n by_o little_a and_o little_a with_o patience_n because_o they_o all_o arise_v much_o 4._o in_o another_o little_a glass_n vessel_n let_v there_o be_v put_v one_o pound_n of_o aquafortis_n and_o therein_o dissolve_v one_o ounce_n of_o shall_fw-mi ammoniac_a and_o in_o the_o dissolution_n of_o crude_a antimony_n powder_v vitriol_n purify_v of_o azure_a or_o blow_v smalt_n of_o each_o half_n a_o ounce_n one_o ounce_n of_o red-lead_a grind_v they_o all_o well_o and_o set_v the_o vessel_n by_o 5._o in_o a_o like_a body_n dissolve_v in_o one_o pound_n of_o aquafortis_n two_o ounce_n of_o shall_fw-mi ammoniac_a then_o put_v in_o one_o ounce_n of_o zaffer_n prepare_v and_o a_o quarter_n of_o a_o ounce_n of_o manganese_n prepare_v and_o half_a a_o ounce_n of_o thrice_o calcine_v copper_n and_o one_o ounce_n of_o cinaber_n put_v in_o wary_o every_o one_o of_o these_o thing_n well_o powder_v by_o themselves_o into_o the_o body_n avoid_v those_o thing_n that_o swell_v up_o arise_v and_o fume_v set_v this_o aside_o 6._o in_o another_o small_a glass_n body_n dissolve_v in_o one_o pound_n of_o aquafortis_n two_o ounce_n of_o shall_fw-mi ammoniac_a and_o then_o add_v of_o cerus_fw-la painter_n red-lake_n verdigreas_n the_o skales_n of_o iron_n that_o fall_n from_o the_o anvil_n of_o each_o half_n a_o ounce_n these_o swell_v very_o much_o let_v all_o these_o 6_o body_n stand_v 12_o day_n &_o shake_v they_o well_o six_o time_n every_o day_n that_o the_o water_n may_v penetrate_v &_o subtilise_v the_o ingredient_n and_o metal_n to_o communicate_v their_o tincture_n to_o the_o glass_n after_o this_o time_n take_v a_o great_a glass_n body_n lute_v at_o the_o bottom_n into_o which_o you_o shall_v empty_v all_o the_o material_n of_o these_o six_o body_n by_o little_a and_o little_a that_o they_o may_v not_o run_v out_o nor_o make_v the_o glass_n crack_v in_o this_o great_a body_n mix_v well_o the_o water_n that_o the_o material_n may_v be_v well_o unite_v and_o mix_v together_o set_v this_o glass_n in_o ash_n at_o a_o very_a gentle_a heat_n for_o twenty_o four_o hour_n that_o the_o water_n may_v evaporate_v observe_v that_o the_o fire_n be_v gentle_a at_o last_o lest_o the_o powder_n be_v waste_v with_o too_o much_o heat_n he_o that_o will_v regain_v the_o aquafortis_n may_v join_v the_o head_n &_o receiver_n &_o lute_n the_o jont_v as_o be_v usual_a and_o the_o water_n be_v evaporate_v there_o remain_v at_o the_o bottom_n a_o red_a powder_n which_o be_v keep_v in_o a_o glass_n close_v for_o use_n put_v this_o powder_n or_o medicine_n into_o metal_n make_v of_o break_a piece_n of_o glass_n and_o old_a glass_n but_o not_o make_v of_o virgin_n fritt_n of_o crystal_n or_o crystalline_a as_o in_o the_o first_o calcidony_n have_v be_v say_v give_v the_o metal_n the_o same_o quantity_n and_o use_v the_o say_a distance_n of_o time_n as_o in_o the_o other_o then_o give_v it_o the_o body_n of_o burn_a tartar_n and_o soot_n of_o the_o chimney_n vitrify_v and_o crocus_n martis_n make_v with_o vinegar_n then_o let_v they_o settle_v twenty_o four_o hour_n and_o cause_v a_o vessel_n to_o be_v make_v thereof_o and_o put_v it_o in_o the_o fire_n and_o observe_v whether_o it_o take_v body_n and_o opacity_n and_o if_o it_o show_v the_o variety_n of_o colour_n with_o toy_n and_o waving_n work_v all_o of_o it_o into_o vessel_n of_o divers_a sort_n frame_v therewith_o all_o sort_n of_o workmanship_n and_o variety_n of_o toy_n with_o this_o sort_n of_o calcidony_n i_o make_v many_o cup_n all_o which_o be_v fair_a and_o beside_o with_o this_o past_a of_o calcidony_n may_v be_v make_v many_o hundred_o crown_n for_o gentle_a man_n as_o fair_a as_o can_v be_v utter_v these_o be_v see_v by_o ferdinando_n the_o great_a duke_n of_o bless_a memory_n and_o by_o many_o other_o prince_n and_o lord_n and_o this_o be_v do_v by_o i_o in_o flanders_n the_o three_o way_n of_o calcidony_n chap._n xliv_o 1._o in_o a_o glass_n body_n in_o strong_a aquafortis_n dissolve_v four_o ounce_n of_o fine_a leaf_n silver_n that_o be_v to_o say_v round_a cut_n of_o leaf_n silver_n stop_v the_o body_n and_o set_v it_o aside_o
calcine_v tin_n mix_v well_o the_o metal_n many_o time_n and_o at_o the_o end_n of_o one_o day_n it_o become_v marvellous_a white_a and_o in_o whiteness_n surpass_v any_o snow_n then_o work_v it_o i_o have_v often_o make_v it_o and_o always_o with_o good_a success_n this_o white_a may_v be_v also_o make_v with_o rochetta_n but_o not_o so_o white_a as_o with_o crystal_n to_o make_v a_o marble_n colour_n chap._n lvi_o put_v crystal_n fritt_n in_o a_o pot_n and_o when_o it_o be_v melt_v before_o it_o be_v purify_v work_v it_o this_o be_v a_o fair_a marble_n colour_n a_o peach_n colour_n in_o white_a chap._n lvii_o manganese_n prepare_v will_v make_v in_o lattimo_fw-la the_o colour_n of_o a_o peach-flower_n but_o work_v it_o in_o time_n because_o it_o lose_v colour_n a_o deep_a red._n chap._n lviii_o take_v of_o crystal_n fritt_n 20_o pound_n break_a piece_n of_o white_a glass_n one_o pound_n calcine_v tin_n two_o pound_n mix_v these_o well_o together_o put_v they_o into_o a_o pot_n to_o run_v and_o purify_v when_o these_o be_v melt_v take_v steel_n calcine_v scale_n of_o iron_n from_o the_o anvil_n both_o well_o ground_n of_o each_o a_o like_a quantity_n mix_v they_o together_o put_v leisurely_o of_o this_o mixture_n about_o a_o ounce_n to_o the_o aforesaid_a metal_n when_o purify_v and_o mix_v they_o well_o and_o let_v they_o incorporate_v which_o succeed_v common_o in_o five_o or_o six_o hour_n too_o much_o powder_n make_v the_o metal_n black_a whereas_o the_o colour_n ought_v to_o be_v transparent_a and_o not_o opacous_a of_o a_o obscure_a yellow_a when_o it_o be_v so_o put_v in_o no_o more_o powder_n but_o then_o put_v about_o three_o quarter_n of_o a_o ounce_n of_o brass_n calcine_v to_o redness_n as_o in_o the_o 24_o chap._n and_o ground_n to_o this_o metal_n and_o mix_v they_o many_o time_n and_o at_o about_o three_o or_o four_o time_n it_o will_v become_v as_o red_a as_o blood_n wherefore_o make_v essay_n often_o and_o see_v whether_o this_o colour_n be_v good_a and_o when_o so_o work_v it_o speedy_o else_o it_o will_v lose_v its_o colour_n and_o become_v black_a beside_o leave_v the_o mouth_n of_o the_o pot_n open_a else_o the_o colour_n will_v be_v lose_v let_v not_o the_o pot_n stand_v above_o 10_o hour_n in_o the_o furnace_n and_o suffer_v it_o not_o to_o cool_v as_o much_o as_o be_v possible_a when_o you_o see_v the_o colour_n fade_v which_o sometime_o happen_v put_v in_o some_o scale_n of_o iron_n which_o reduce_v the_o colour_n and_o because_o this_o be_v a_o nice_a colour_n use_v all_o diligence_n in_o make_v it_o by_o put_v in_o the_o steel_n and_o scale_n as_o also_o in_o work_v it_o fritt_v of_o natural_a crystal_n chap._n lix_n calcine_v natural_a crystal_n in_o a_o chrysible_a extinguish_v it_o in_o common_a cold_a water_n eight_o time_n cover_v the_o crysible_a that_o no_o ash_n nor_o filth_n get_v in_o dry_v the_o calcine_v crystal_n and_o grind_v it_o to_o a_o impalpable_a powder_n mix_v this_o powder_n with_o salt_n of_o polverine_n make_v in_o a_o glass_n body_n as_o in_o chap._n 3._o with_o these_o make_v a_o fritt_n observe_v the_o quantity_n rule_n and_o portion_n of_o manganese_n set_v it_o in_o the_o furnace_n &_o at_o due_a and_o often_o time_n cast_v it_o into_o the_o water_n purify_n and_o work_v it_o as_o in_o other_o crystal_n and_o thus_o you_o will_v make_v a_o marvellous_a thing_n a_o pearl_n colour_n in_o crystal_n chap._n lx._n put_v at_o 3_o or_o 4_o time_n to_o crystal_n melt_v and_o purify_v of_o tartar_n well_o calcine_v to_o whiteness_n and_o continue_v to_o put_v in_o the_o tartar_n 4_o or_o 6_o time_n always_o mix_v it_o well_o with_o the_o metal_n till_o the_o crystal_n have_v get_v a_o pearl_n colour_n then_o work_v it_o speedy_o for_o this_o colour_n fade_v this_o i_o have_v often_o practise_v and_o experiment_a the_o four_o book_n wherein_o be_v show_v the_o true_a way_n to_o make_v glass_n of_o lead_n to_o calcine_v lead_n and_o extract_v from_o it_o the_o colour_n of_o green_a emerald_n topaz_n sky_n colour_n or_o sea_n green_a granat_n colour_n sapphire_n gold_n yellow_a and_o of_o lapis_fw-la lazuli_fw-la with_o the_o way_n to_o colonr_v natural_a crystal_n without_o melt_v it_o into_o the_o permanent_a colour_n of_o ruby_n balas_n topaz_n opal_n girasole_n &_o other_o fair_a colour_n chap._n lxi_o the_o glass_n of_o lead_n know_v to_o few_o in_o this_o art_n as_o to_z colour_n be_v the_o fair_a and_o noble_a glass_n of_o all_o other_o at_o this_o day_n make_v in_o the_o furnace_n for_o in_o this_o glass_n the_o colour_n imitate_v the_o true_a oriental_a gem_n which_o can_v be_v do_v in_o crystal_n nor_o any_o other_o glass_n it_o be_v very_o true_a that_o unless_o very_a great_a diligence_n be_v use_v all_o sort_n of_o pot_n will_v be_v break_v and_o the_o metal_n will_v run_v into_o the_o coal_n of_o the_o furnace_n observe_v my_o rule_n in_o all_o these_o glass_n make_v of_o lead_n exact_o and_o you_o shall_v avoid_v all_o danger_n this_o business_n principal_o consist_v in_o know_v well_o how_o to_o calcine_v lead_n and_o to_o recalcine_v it_o also_o a_o second_o time_n for_o by_o how_o much_o it_o be_v better_o and_o more_o calcine_v by_o so_o much_o the_o less_o it_o return_v to_o lead_v again_o and_o by_o consequence_n the_o less_o break_v out_o the_o bottom_n of_o the_o pot_n second_o cast_v the_o metal_n into_o water_n and_o separate_v careful_o the_o lead_n from_o the_o glass_n even_o the_o least_o grain_n of_o it_o this_o glass_n of_o lead_n must_v be_v cast_v into_o the_o water_n by_o little_a and_o little_a to_o make_v a_o better_a separation_n for_o the_o least_o lead_n remain_v break_v out_o the_o bottom_n of_o the_o pot_n and_o let_v all_o the_o metal_n run_v into_o the_o fire_n these_o two_o rule_n our_o author_n repeat_v almost_o in_o every_o chapter_n of_o this_o book_n and_o these_o follow_v also_o the_o pot_n and_o lead_n must_v not_o have_v too_o much_o heat_n in_o the_o furnace_n neither_o must_v the_o metal_n be_v wrought_v too_o hot_a and_o the_o marble_n whereon_o it_o be_v wrought_v must_v be_v of_o the_o hard_a stone_n and_o must_v be_v wet_v else_o the_o marble_n will_v break_v and_o scale_v to_o calcine_v lead_n chap._n lxii_o at_o first_o calcine_v lead_n in_o a_o kil_n as_o the_o potter_n do_v and_o in_o great_a quantity_n usual_o in_o two_o day_n they_o calcine_v many_o a_o hundred_o pound_n of_o lead_n in_o calcine_v observe_v that_o the_o kil_n be_v not_o too_o hot_a but_o sufficient_o heat_v only_a to_o keep_v the_o lead_n in_o fusion_n for_o otherwise_o it_o will_v not_o be_v calcine_v when_o the_o lead_n be_v melt_v it_o yield_v at_o the_o top_n a_o yellowish_a matter_n then_o begin_v to_o draw_v forward_o the_o calcine_v part_n with_o a_o iron_n fit_a for_o the_o purpose_n always_o spread_v it_o in_o the_o internal_a extremity_n of_o the_o kill_v bottom_n which_o shall_v be_v of_o soft-stone_n which_o will_v bear_v the_o fire_n and_o the_o kil_n must_v have_v a_o declivitie_n towards_o the_o mouth_n which_o i_o pass_v by_o as_o a_o thing_n well_o know_v when_o it_o be_v calcine_v once_o it_o must_v be_v put_v and_o spread_v a_o second_o time_n in_o the_o kil_n to_o reverberate_v in_o a_o convenient_a heat_n always_o stir_v it_o with_o a_o iron_n and_o that_o for_o many_o hour_n till_o it_o come_v this_o second_o calcination_n to_o a_o good_a yellow_a and_o be_v calcine_v then_o serce_a all_o in_o a_o fine_a serce_a and_o what_o pass_v not_o the_o serce_a recalcine_v it_o with_o new_a lead_n this_o be_v the_o way_n to_o calcine_v lead_n in_o great_a quantity_n to_o make_v thereof_o store_n of_o potter_n ware_n to_o make_v glass_n of_o lead_n chap._n lxiii_o take_v of_o this_o calcine_v lead_v 15_o pound_n and_o crystal_n or_o rochetta_n or_o polverine_n fritt_n according_a as_o you_o will_v make_v the_o colour_n 12_o pound_n mix_v they_o as_o well_o as_o possible_o you_o can_v put_v they_o in_o a_o pot_n and_o at_o the_o end_n of_o 10_o hour_n cast_v they_o into_o water_n for_o by_o that_o time_n they_o will_v be_v all_o well_o melt_v separate_v the_o lead_n and_o return_v the_o metal_n into_o the_o pot_n which_o in_o 12_o hour_n at_o most_o you_o shall_v have_v most_o fit_a to_o work_v the_o manner_n how_o to_o work_v the_o say_a glass_n chap._n lxiv_o to_o work_v glass_n of_o lead_n into_o divers_a drink_n or_o other_o vessel_n it_o be_v necessary_a before_o it_o be_v take_v upon_o the_o iron_n to_o be_v a_o little_a raise_v in_o the_o pot_n and_o then_o take_v it_o out_o and_o 〈◊〉_d it_o to_o cool_v a_o little_a and_o then_o work_v it_o on_o the_o marble_n be_v clear_a at_o first_o let_v the_o marble_n be_v well_o wet_v with_o cold_a
these_o fume_n be_v go_v let_v the_o chrysible_a stand_n till_o the_o pot_n cool_v and_o the_o fire_n go_v out_o of_o its_o self_n then_o unlute_v the_o chrysibles_n and_o take_v out_o the_o piece_n of_o crystal_n and_o those_o which_o be_v at_o the_o top_n will_v be_v tinge_v with_o a_o good_a yellow_a colour_n with_o a_o red_a ruby_n and_o balass_n colour_n with_o fair_a spot_n those_o which_o lie_v at_o the_o bottom_n upon_o the_o powder_n and_o the_o residence_n into_o the_o wavie_a colour_n of_o a_o viper_n these_o piece_n of_o crystal_n may_v be_v wrought_v as_o jewel_n at_o the_o wheel_n and_o will_v receive_v a_o good_a polish_n lustre_n and_o show_v beauty_n such_o as_o be_v in_o the_o topaz_n ruby_n and_o balass_n if_o you_o give_v they_o foil_n suitable_a to_o their_o colour_n they_o make_v a_o fair_a show_n be_v set_v in_o gold_n of_o these_o crystall_n you_o may_v colour_v a_o good_a quantity_n since_o the_o charge_n and_o labour_n be_v but_o small_a and_o in_o colour_v a_o competent_a quantity_n there_o always_o come_v forth_o some_o beautiful_a and_o fair_a the_o colour_n of_o a_o balass_n ruby_n topaz_n opal_n and_o girasole_n in_o natural_a crystal_n chap._n lxxiv_o take_v orpiment_n of_o a_o yellow-oringetawney_a colour_n in_o powder_n crystalline_a with_o arsnic_n of_o each_o two_o ounce_n crude_a antimony_n shall_fw-mi ammoniac_a of_o each_o one_o ounce_n put_v this_o powder_n well_o mix_v into_o a_o very_a capacious_a chrysible_a and_o upon_o the_o powder_n scale_n and_o little_a piece_n of_o crystal_n and_o upon_o these_o small_a piece_n large_a and_o grosser_n piece_n of_o crystal_n of_o a_o fair_a water_n without_o spot_n if_o you_o will_v have_v a_o please_a thing_n let_v they_o be_v very_o large_a and_o so_o fill_v the_o chrysible_a to_o which_o lute_n well_o another_o mouth_n to_o mouth_n make_v a_o hole_n at_o the_o bottom_n of_o the_o uppermost_a of_o the_o bigness_n of_o a_o tare_n that_o the_o air_n may_v draw_v through_o this_o 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diligence_n shall_v do_v much_o more_o than_o what_o i_o publish_v the_o way_n late_o practise_v by_o i_o and_o take_v from_o isaac_n hollandus_n make_v past_z of_o incredible_a and_o seem_o impossible_a beauty_n and_o perfection_n it_o be_v true_a the_o work_n be_v somewhat_o long_a and_o wearisome_a yet_o i_o that_o have_v many_o time_n perform_v it_o say_v it_o be_v very_o facile_a and_o plain_a and_o that_o which_o be_v above_o all_o this_o way_n be_v true_a wherefore_o all_o pain_n expense_n and_o charge_v employ_v in_o such_o a_o like_a work_n aught_o to_o seem_v small_a and_o light_a the_o way_n to_o prepare_v natural_a crystal_n chap._n lxxvi_o take_v natural_a crystal_n the_o clear_a that_o be_v possible_a and_o put_v by_o firestone_n calcidony_n and_o tarso_n and_o other_o hard_a stone_n which_o though_o they_o vitrifie_v yet_o they_o make_v not_o so_o clear_a lucid_a and_o shine_a stone_n as_o natural_a crystal_n do_v the_o say_v stone_n use_v to_o make_v counterfeit_a jewel_n though_o they_o take_v polish_n wonderful_o yet_o they_o always_o have_v something_o earthy_a and_o obscure_a in_o they_o but_o crystal_n have_v always_o something_o that_o be_v aerial_a and_o transparent_a and_o draw_v near_o to_o the_o quality_n and_o nature_n of_o jewel_n especial_o those_o which_o be_v natural_a and_o oriental_n for_o they_o work_v far_o great_a effect_n than_o the_o italian_a or_o dutch._n take_v then_o work_v make_v of_o crystal_n put_v they_o in_o chrysibles_n cover_v at_o the_o top_n set_v they_o in_o burn_a coal_n till_o they_o be_v both_o well_o heat_v &_o fire_v then_o sudden_o cast_v the_o crystal_n into_o a_o very_a large_a pan_n full_a of_o cold_a clear_a water_n when_o the_o crystal_n be_v cold_a recalcinè_fw-la and_o heat_n and_o cast_v it_o into_o fresh_a clean_a water_n repeat_v this_o 12_o time_n and_o be_v sure_a the_o ash_n and_o filth_n be_v keep_v out_o of_o the_o chrysible_a and_o that_o the_o water_n be_v always_o very_o clean_o when_o the_o crystal_n be_v well_o calcine_v grind_v it_o to_o a_o impalpable_a powder_n as_o fine_a as_o the_o best_a wheaten_a flour_n and_o that_o on_o a_o porphyrie-stone_n with_o a_o muller_n of_o the_o same_o and_o then_o it_o will_v crumble_v and_o come_v to_o a_o flour_n like_o refine_a sugar_n if_o you_o powder_v the_o crystal_n in_o brass_n mortar_n with_o a_o iron_n pestle_n you_o can_v make_v nothing_o therewith_o but_o a_o green_a emerald_n colour_n grind_v not_o above_o a_o spoonful_n at_o a_o time_n and_o this_o grind_n and_o serce_a must_v be_v often_o repeat_v so_o long_o till_o no_o roughness_n remain_v nor_o can_v be_v feel_v in_o the_o powder_n for_o otherwise_o a_o past_a make_v thereof_o will_v give_v only_o a_o dirty_a and_o imperfect_a work_n and_o will_v never_o be_v like_o natural_a jewel_n but_o if_o the_o crystal_n be_v well_o ground_n it_o will_v make_v artificial_a gem_n far_o excel_v true_a natural_a stone_n in_o beauty_n colour_n clearness_n splendour_n and_o polish_n make_v a_o good_a quantity_n of_o this_o material_a that_o you_o may_v make_v all_o colour_n for_o this_o be_v the_o prime_n material_a to_o make_v all_o artificial_a jewel_n and_o shall_v be_v call_v hereafter_o crystal_n prepare_v these_o rule_v often_o repeat_v by_o the_o author_n take_v together_o 1._o that_o the_o whole_a be_v do_v clean_o to_o this_o end_n lute_n all_o the_o pot_n wherein_o the_o crystal_n be_v calcine_v and_o wherein_o the_o past_z be_v bake_v with_o lute_n well_o dry_v before_o they_o be_v set_v to_o calcine_v or_o bake_v 2._o take_v pot_n that_o will_v bear_v the_o fire_n 3._o grind_v all_o on_o porphyrie-stone_n and_o not_o in_o metal_n to_o a_o most_o implapable_a powder_n first_o single_o and_o then_o together_o 4._o keep_v a_o just_a proportion_n in_o the_o dose_n of_o the_o ingredient_n 5._o mix_v the_o material_n well_o before_o
you_o bake_v they_o and_o if_o the_o past_a be_v not_o sufficient_o bake_v the_o first_o time_n bake_v it_o again_o a_o second_o time_n in_o the_o potter_n furnace_n and_o never_o break_v the_o pot_n till_o you_o see_v it_o be_v bake_v for_o if_o you_o do_v the_o past_z will_v be_v foul_a and_o full_a of_o blister_n 6._o leave_v the_o vacuity_n of_o a_o finger_n thickness_n in_o the_o top_n of_o the_o pot_n especial_o where_o it_o be_v say_v it_o swell_v much_o or_o that_o you_o must_v put_v it_o in_o leisurely_o lest_o the_o material_n run_v out_o into_o the_o fire_n or_o stick_v to_o the_o cover_n and_o so_o make_v a_o foul_a colour_n how_o to_o make_v oriental_a emerald_n chap._n lxxvii_o take_v of_o crystal_n prepare_v two_o ounce_n ordinary_a red-lead_a four_o ounce_n mix_v and_o incorporate_v they_o well_o together_o good_a verdigreas_n two_o penny_n weight_n crocus_n martis_n make_v with_o vinegar_n eight_o grain_n mix_v all_o well_o and_o set_v they_o in_o a_o potter_n furnace_n in_o the_o hot_a place_n thereof_o as_o long_o as_o the_o fire_n last_v to_o see_v whether_o the_o past_a be_v sufficient_o bake_v and_o purify_v clear_a and_o transparent_a take_v only_o off_o the_o cover_n make_v of_o lute_n and_o if_o the_o past_a be_v pure_a and_o transparent_a to_o the_o bottom_n it_o be_v a_o sign_n it_o be_v bake_v enough_o otherwise_o relute_a and_o bake_v it_o again_o without_o break_v the_o pot_n for_o then_o the_o past_a will_v be_v full_a of_o point_n and_o blister_n let_v the_o fire_n be_v continue_v 24_o hour_n with_o dry_a wood_n i_o set_v up_o a_o furnace_n at_o antwerp_n a_o purpose_n wherein_o i_o keep_v 20_o pot_n of_o divers_a colour_n and_o with_o a_o fire_n in_o 24_o hour_n melt_v and_o purify_v all_o of_o they_o and_o to_o be_v the_o more_o secure_a continue_v the_o fire_n six_o hour_n more_o and_o by_o this_o mean_v the_o past_a will_v be_v very_o well_o bake_v and_o little_a wood_n waste_v these_z past_z may_v be_v cut_v and_o wrought_v in_o every_o thing_n as_o ordinary_a jewel_n they_o whole_o receive_v the_o same_o polish_n and_o lustre_n and_o be_v set_v in_o gold_n with_o foil_n as_o the_o other_o common_o be_v this_o past_a be_v hard_a than_o ordinary_a to_o make_v a_o deep_a emerald_n colour_n chap._n lxxviii_o take_v of_o crystal_n prepare_v a_o ounce_n of_o ordinary_a red-lead_a six_o ounce_n and_o a_o half_a mix_v they_o and_o add_v of_o verdegreas_n about_o three_o penny_n weight_n and_o 13_o grain_n of_o crocus_n martis_n make_v with_o vinegar_n 10_o grain_n proceed_v according_a to_o the_o rule_n and_o you_o shall_v have_v a_o marvellous_a emerald_n colour_n for_o small_a work_n and_o to_o be_v set_v in_o gold_n this_o past_a must_v be_v bake_v more_o than_o ordinary_a to_o waste_v that_o imperfection_n which_o lead_v usual_o give_v this_o past_a be_v britler_n but_o fair_a than_o the_o former_a to_o make_v a_o more_o beautiful_a past_a for_o emerald_n chap._n lxxix_o take_v of_o crystal_n prepare_v two_o ounce_n ordinary_a red-lead_a seven_o ounce_n mix_v and_o add_v to_o they_o of_o verdegreas_n about_o ten_o grain_n to_o every_o ounce_n and_o of_o crocus_n martis_n make_v with_o vinegar_n ten_o grain_n only_o at_o a_o time_n mix_v they_o and_o proceed_v according_a to_o rule_v and_o you_o shall_v have_v a_o emerald_n pass_v for_o small_a work_n very_o fair_a and_o beautiful_a but_o not_o hard_o by_o reason_n of_o the_o plenty_n of_o lead_n wherefore_o bake_v it_o more_o than_o ordinary_a to_o take_v away_o the_o blackness_n and_o unctuosity_n lead_v natural_o yield_v another_o most_o fair_a emerald_n chap._n lxxx_o take_v of_o crystal_n prepare_v two_o ounce_n ordinary_a minium_n six_o ounce_n mix_v they_o and_o add_v of_o good_a verdigeas_fw-la well_o ground_n 80_o grain_n mix_v and_o bake_v they_o for_o a_o most_o fair_a oriental_a emerald_n a_o oriental_a topaz_n chap._n lxxxi_o take_v crystal_n prepare_v two_o ounce_n ordinary_a minium_n seven_o ounce_n mix_v they_o and_o bake_v they_o for_o a_o marvellous_a oriental_a topaz_n to_o work_v any_o kind_n of_o work_n you_o please_v a_o oriental_a chrysolite_n chap._n lxxxii_o take_v of_o prepare_a crystal_n two_o ounce_n ordinary_a minium_n eight_o ounce_n mix_v they_o and_o add_v of_o crocus_n martis_n make_v with_o vinegar_n 12_o grain_n mix_v and_o bake_v they_o more_o than_o ordinary_a by_o reason_n of_o the_o great_a quantity_n of_o lead_n sky_n colour_n chap._n lxxxiii_o take_v of_o crystal_n prepare_v two_o ounce_n ordinary_a minium_n five_o ounce_n mix_v they_o and_o add_v 21_o grain_n of_o zaffer_n prepare_v and_o ground_n remix_v and_o bake_v they_o for_o a_o most_o beautiful_a sky_n colour_n a_o sky_n with_o a_o violet_n colour_n chap._n lxxxiv_o take_v of_o crystal_n prepare_v two_o ounce_n ordinary_a minium_n four_o ounce_n and_o a_o half_a mix_v they_o and_o add_v about_o four_o grain_n of_o painter_n blow_v smalt_n mix_v and_o bake_v they_o this_o past_a will_v be_v a_o most_o fair_a violet_n and_o pleasant_a sky-colour_n a_o oriental_a sapphire_n chap._n lxxxv_o take_v of_o crystal_n prepare_v two_o ounce_n ordinary_a minium_n six_o ounce_n mix_v they_o well_o &_o add_v of_o zaffer_n prepare_v five_o grain_n mix_v with_o the_o zaffer_n of_o manganese_n prepare_v seven_o grain_n remix_v and_o bake_v they_o for_o a_o oriental_a sapphire_n which_o will_v have_v a_o most_o beautiful_a violet_n colour_n a_o deep_a colour_a oriental_a sapphire_n chap._n lxxxvi_o take_v of_o crystal_n prepare_v two_o ounce_n ordinary_a minium_n five_o ounce_n of_o zaffer_n prepare_v about_o 42_o grain_n add_v to_o the_o zaffer_n of_o manganese_n prepare_v eight_o grain_n mix_v and_o bake_v they_o well_o and_o they_o will_v make_v a_o deep_a oriental_a sapphire_n with_o a_o violet_n colour_n of_o notable_a fairness_n a_o oriental_a garnat_a chap._n lxxxvii_o take_v of_o crystal_n prepare_v two_o ounce_n ordinary_a minium_n six_o ounce_n mix_v they_o and_o add_v about_o 16_o grain_n of_o manganese_n prepare_v wherewith_o mix_v three_o grain_n of_o zaffer_n prepare_v mix_v they_o all_o together_o and_o bake_v they_o for_o a_o most_o fair_a &_o sightly_o garnat_a a_o deep_o oriental_a garnat_a chap._n lxxxviii_o take_v of_o crystal_n prepare_v two_o ounce_n ordinary_a minium_n five_o ounce_n and_o a_o half_a of_o manganese_n prepare_v 15_o grain_n wherewith_o mix_v four_o grain_n of_o zaffer_n prepare_v mix_v they_o all_o this_o swell_v much_o bake_v they_o for_o a_o oriental_a garnat_a which_o have_v in_o it_o a_o very_a fair_a violet_n colour_n another_o fair_a garnat_a chap._n lxxxix_o take_v of_o crystal_n prepare_v two_o ounce_n ordinary_a minium_n five_o ounce_n mix_v they_o and_o add_v 52_o grain_n of_o manganese_n prepare_v wherewith_o mix_v six_o grain_n of_o zaffer_n prepare_v mix_v they_o all_o well_o and_o bake_v they_o for_o a_o oriental_a garnat_a fair_a than_o any_o of_o the_o former_a observation_n for_o past_z and_o their_o colour_n chap._n xc_o observe_v that_o the_o colour_n in_o the_o aforesaid_a past_z may_v be_v make_v deep_a or_o light_a according_a to_o the_o work_v they_o be_v to_o be_v use_v for_o and_o also_o the_o will_n and_o humour_n of_o the_o maker_n small_a stone_n for_o ring_n pendant_n and_o earrings_a require_v a_o full_a but_o great_a stone_n a_o light_a colour_n no_o rule_n can_v be_v herein_o give_v though_o those_o give_v by_o i_o will_v give_v some_o light_n to_o the_o curious_a artist_n to_o who_o judgement_n it_o must_v be_v leave_v and_o who_o may_v find_v out_o and_o invent_v more_o and_o better_a colour_n beside_o i_o set_v down_o here_o only_a colour_n from_o verdigreas_n zaffer_n and_o manganese_n but_o a_o curious_a person_n and_o practical_a chemist_n may_v extract_v a_o wonderful_a red_a from_o gold_n and_o another_o fair_a red_a from_o iron_n from_o brass_n a_o exceed_o fair_a green_n from_z lead_v a_o gold_n colour_n from_o silver_n a_o sky-colour_n and_o a_o much_o fair_a from_o granat_n of_o bohemia_n which_o be_v low-prized_a for_o be_v small_a you_o may_v draw_v a_o tincture_n from_o they_o as_o i_o have_v often_o do_v in_o flanders_n and_o this_o do_v notable_a effect_n the_o same_o may_v be_v do_v with_o ruby_n saphire_n and_o other_o jewel_n to_o write_v of_o these_o thing_n will_v be_v a_o business_n too_o long_o for_o i_o who_o speak_v so_o clear_o in_o this_o present_a work_n but_o the_o colour_n abovesaid_a will_v make_v pleasant_a work_n the_o way_n to_o make_v the_o abovesaid_a past_z and_o to_o imitate_v all_o sort_n of_o jewel_n marvellous_a and_o never_o use_v chap._n xci_o this_o way_n which_o i_o have_v take_v from_o isaac_n hollandus_n when_o i_o be_v in_o flanders_n to_o imitate_v jewel_n be_v not_o much_o use_v and_o know_v perhaps_o to_o few_o person_n and_o though_o it_o be_v somewhat_o laborious_a yet_o by_o how_o much_o it_o be_v more_o laborious_a
cast_v they_o into_o water_n return_v they_o into_o the_o pot_n let_v they_o melt_v and_o refine_v this_o be_v a_o very_a fair_a and_o beautiful_a sky_n colour_n a_o violet_n colour_v enamel_n chap._n cvii_o take_v six_o pound_n of_o the_o stuff_n for_o enamel_n of_o manganese_n prepare_v three_o ounce_n of_o thrice_o calcine_v brass_n 48_o grain_n mix_v these_o two_o powder_n well_o together_o then_o remix_v they_o with_o the_o stuff_n for_o enamel_n put_v they_o into_o the_o furnace_n and_o cast_v they_o into_o water_n put_v they_o into_o the_o furnace_n again_o and_o do_v as_o before_o the_o seven_o book_n wherein_o be_v show_v the_o manner_n how_o to_o extract_v yellow_a lake_n for_o painter_n from_o broom_n flower_n and_o all_o other_o colour_n with_o another_o way_n to_o extract_v red_a lake_n green_n azure_a purple_a and_o all_o colour_n from_o all_o kind_n of_o herb_n and_o flower_n and_o to_o make_v cochin_n ultramarine_n and_o lake_n from_o cochneel_v brasill_n and_o mad_a for_o painter_n and_o also_o to_o colour_v discolour_a turcoise_n another_o way_n to_o make_v a_o transparent_a red_a and_o a_o fair_a red_a to_o enamel_n upon_o gold_n and_o metal_n thing_n neither_o vulgar_a nor_o common_a in_o this_o book_n be_v show_v the_o way_n to_o extract_v all_o colour_n from_o flower_n and_o herb_n for_o the_o use_n of_o painter_n which_o may_v serve_v also_o for_o glass_n and_o lake_n of_o many_o colour_n and_o ultramarine_a from_o lapis_n lazult_n all_o which_o thing_n though_o in_o particular_a useful_a for_o painter_n may_v notwithstanding_o serve_v to_o colour_v glass_n in_o the_o superficies_n and_o also_o in_o the_o fire_n of_o the_o furnace_n such_o be_v the_o ultramarine_n and_o also_o the_o way_n to_o make_v a_o transparent_a red_a in_o glass_n which_o seem_v at_o this_o day_n to_o be_v whole_o lose_v as_o a_o thing_n not_o profitable_a and_o to_o make_v a_o fair_a red_a to_o enamel_n upon_o gold_n all_o material_n in_o the_o art_n of_o glass_n and_o at_o this_o day_n much_o conceal_v and_o know_v to_o few_o and_o many_o other_o thing_n which_o i_o judge_v meet_v to_o be_v put_v in_o this_o present_a work_n which_o i_o believe_v will_v be_v acceptable_a to_o curious_a and_o ingenious_a spirit_n a_o yellow_a lake_n to_o paint_n from_o broom_n flower_n chap._n cviii_o make_v a_o lee_n of_o barillia_fw-la and_o of_o lime_n reasonable_a strong_a and_o in_o this_o lee_n boil_v at_o a_o gentle_a fire_n fresh_a broom_n flower_n that_o the_o lee_n may_v draw_v to_o it_o all_o the_o tincture_n of_o the_o flower_n which_o you_o shall_v know_v by_o take_v the_o flower_n our_o and_z see_v they_o white_a &_o the_o colour_n well_o take_v out_o and_o the_o lee_n will_v be_v yellow_a like_o good_a trebian_n wine_n then_o take_v out_o these_o flower_n and_o put_v this_o lee_n in_o earthen_a dish_n glaze_v to_o the_o fire_n that_o the_o lee_n may_v boil_v and_o put_v into_o it_o so_o much_o roch-alum_n that_o with_o the_o fire_n all_o the_o alum_n may_v be_v dissolve_v then_o make_v a_o fire_n and_o empty_a this_o lee_n into_o a_o vessel_n of_o clean_a water_n and_o it_o will_v give_v a_o yellow_a colour_n at_o the_o bottom_n let_v they_o settle_v and_o decant_v off_o all_o the_o water_n and_o again_o put_v upon_o they_o other_o fresh_a water_n and_o decant_v it_o off_o let_v the_o tincture_n first_o sink_v to_o the_o bottom_n and_o do_v this_o so_o long_o till_o you_o have_v take_v out_o all_o the_o salt_n of_o the_o lee_n and_o alum_n from_o the_o tincture_n observe_v that_o by_o how_o much_o the_o more_o you_o wash_v this_o tincture_n from_o the_o salt_n of_o the_o lee_n and_o alum_n by_o so_o much_o more_o will_v the_o tincture_n of_o the_o colour_n be_v fair_a and_o more_o beautiful_a wash_v it_o always_o with_o water_n to_o carry_v away_o the_o salt_n of_o the_o lee_n and_o alum_n and_o at_o each_o time_n before_o you_o decant_v the_o water_n let_v the_o yellow_a tincture_n settle_v to_o the_o bottom_n repeat_v this_o process_n until_o you_o perceive_v the_o water_n run_v out_o sweet_a and_o without_o saltness_n as_o it_o be_v first_o put_v in_o and_o then_o at_o the_o bottom_n will_v remain_v a_o beautiful_a and_o fair_a lake_n which_o spread_v when_o wet_a upon_o piece_n of_o white_a cloth_n and_o dry_v it_o upon_o new_a bake_a brick_n in_o the_o shade_n and_o you_o shall_v have_v a_o beautiful_a lake_n of_o a_o yellow_a colour_n for_o painter_n and_o also_o for_o glass_n to_o extract_v lake_n from_o wild_a poppy_n flower-deluce_n red_a rose_n red_a violet_n and_o from_o all_o sort_n of_o green_a herb_n chap._n cix_o get_v what_o quantity_n of_o the_o leaf_n of_o flower_n of_o what_o colour_n soever_o they_o be_v let_v every_o colour_n be_v by_o itself_o fair_a green_a herb_n by_o themselves_o proceed_v with_o they_o as_o in_o chap._n 108._o and_o you_o shall_v have_v a_o lake_n &_o true_a tincture_n &_o colour_n from_o every_o flower_n and_o herb_n which_o will_v be_v a_o fair_a and_o beautiful_a thing_n for_o painter_n and_o without_o doubt_n worthy_a to_o be_v much_o esteem_v to_o extract_v a_o lake_n and_o colour_n to_o paint_n from_o orange_a flower_n red_a poppy_n flower-deluce_n ordinary_a violet_n carnation_n and_o red_a rose_n borage_n and_o cabage_n flower_n gillyflower_n from_o all_o flower_n whatsoever_o and_o green_a from_o mallow_n pimpernell_n and_o all_o other_o herb_n chap._n cx_o take_v of_o whatsoever_o herb_n or_o flower_n of_o whatsoever_o colour_n you_o will_v which_o be_v bruise_v green_a upon_o a_o leaf_n of_o white_a paper_n tinge_v it_o with_o its_o colour_n these_o be_v good_a but_o the_o herb_n and_o flower_n which_o do_v not_o so_o be_v not_o good_a then_o put_v into_o a_o glass_n body_n ordinary_a aqua_fw-la aquavitae_fw-la the_o head_n must_v be_v as_o large_a as_o possible_a and_o in_o the_o top_n thereof_o put_v the_o leaf_n of_o whatsoever_o flower_n or_o herb_n from_o which_o you_o will_v draw_v a_o tincture_n than_o lute_n the_o joint_n of_o the_o head_n and_o thereto_o fit_a a_o receiver_n then_o give_v a_o temperate_a heat_n that_o the_o thin_a part_n of_o the_o aqua_fw-la aquavitae_fw-la ascend_v to_o the_o head_n and_o fall_v upon_o the_o leaf_n and_o flower_n may_v suck_v out_o the_o tincture_n and_o distil_v thence_o into_o the_o receiver_n colour_v red_a and_o full_a of_o the_o tincture_n of_o the_o flower_n make_v all_o the_o subtle_a part_n of_o the_o aqua_fw-la aquavitae_fw-la to_o ascend_v so_o long_o as_o it_o come_v colour_v and_o then_o distil_v this_o aqua_fw-la aquavitae_fw-la colour_v in_o a_o glass_n vessel_n which_o will_v come_v over_o white_a and_o may_v serve_v at_o other_o time_n and_o the_o tincture_n will_v remain_v at_o the_o bottom_n which_o must_v not_o be_v dry_v too_o much_o but_o moderate_o and_o thus_o you_o shall_v have_v the_o tincture_n or_o lake_n from_o all_o flower_n and_o herb_n singular_a for_o painter_n a_o blue_n to_o make_v chap._n cxi_o take_v quicksilver_n two_o part_n flour_v of_o brimstone_n three_o part_n shall_fw-mi ammoniac_a eight_o part_n grind_v they_o all_o upon_o a_o porphery_n and_o with_o the_o quicksilver_n put_v they_o in_o a_o glass_n with_o a_o long_a neck_n lute_v at_o the_o bottom_n in_o sand_n make_v a_o gentle_a fire_n till_o the_o moisture_n rise_v then_o stop_v the_o mouth_n of_o the_o glass_n and_o increase_v and_o continue_v the_o fire_n as_o in_o sublimation_n till_o the_o end_n and_o you_o shall_v have_v a_o blue_n most_o fair_a and_o excellent_a how_o to_o colour_v natural_a turcoise_n discolour_v chap._n cxii_o put_v turcoise_n discolour_a and_o become_v white_a into_o a_o glass_n pour_v upon_o they_o oil_n of_o sweet_a almond_n keep_v this_o glass_n upon_o temperate_a ash_n and_o warm_a and_o in_o two_o day_n at_o most_o the_o stone_n will_v have_v acquire_v a_o most_o beautiful_a colour_n a_o mixture_n to_o make_v sphere_n chap._n cxiii_o take_v of_o tin_n well_o purify_v and_o purge_v three_o pound_n copper_n well_o purify_v one_o pound_n melt_v these_o two_o metal_n first_o the_o brass_n than_o the_o tin_n and_o when_o they_o be_v well_o melt_v cast_v upon_o they_o six_o ounce_n of_o tartar_n of_o red_a wine_n only_o burn_v and_o one_o ounce_n and_o a_o half_a of_o saltpetre_n than_o a_o quarter_n of_o a_o ounce_n of_o alum_n and_o two_o ounce_n of_o arsenic_n let_v they_o evaporate_v than_o cast_v it_o into_o the_o form_n of_o a_o sphere_n and_o you_o shall_v have_v a_o good_a material_a the_o which_o you_o shall_v cause_v to_o be_v burnish_a and_o polish_a which_o will_v show_v well_o and_o this_o be_v the_o mixture_n call_v steel_n to_o make_v sphere_n the_o manner_n how_o to_o colour_v within_o ball_n of_o glass_n or_o other_o vessel_n of_o white_a glass_n with_o all_o sort_n of_o colour_n which_o will_v imitate_v natural_a stone_n
wet_v they_o with_o distil_a vinegar_n let_v they_o dry_a than_o put_v they_o in_o a_o retort_n which_o have_v a_o large_a body_n and_o a_o long_a neck_n give_v they_o a_o sublime_a fire_n in_o sand_n for_o 12_o hour_n then_o break_v the_o glass_n and_o take_v all_o that_o be_v sublime_v to_o the_o neck_n and_o body_n of_o the_o retort_n &_o mix_v it_o with_o the_o bottom_n &_o remain_a residence_n weigh_v they_o and_o add_v as_o much_o shall_fw-mi ammoniac_a as_o shall_v be_v want_v in_o this_o first_o sublimation_n grind_v they_o all_o together_o on_o a_o porphyry_n imbibe_v they_o with_o distil_a vinegar_n then_o sublime_a they_o in_o a_o retort_n as_o before_o and_o this_o sublimation_n be_v to_o be_v repeat_v after_o the_o same_o manner_n so_o long_o till_o the_o manganese_n remain_v all_o at_o the_o bottom_n fusible_a this_o be_v the_o medicine_n that_o colour_n crystal_n and_o past_a into_o a_o red_a diaphanous_a colour_n and_o into_o a_o ruby_n colour_n there_o be_v use_v of_o this_o medicine_n 20_o ounce_n to_o one_o of_o crystal_n or_o glass_n but_o more_o or_o less_o may_v be_v use_v thereof_o according_a as_o the_o colour_n require_v the_o manganese_n must_v be_v of_o the_o best_a from_o piedmont_n to_o colour_v glass_n of_o a_o fair_a and_o very_o sightly_o colour_n a_o red_a as_o red_a as_o blood_n chap._n cxxi_o put_v six_o pound_n of_o glass_n of_o lead_n common_a glass_n ten_o pound_n into_o a_o pot_n glaze_v with_o white_a glass_n when_o the_o glass_n be_v boil_v and_o refine_a give_v it_o copper_n calcine_v to_o redness_n according_a to_o discretion_n let_v they_o incorporate_v mix_v well_o the_o glass_n then_o give_v it_o so_o much_o tartar_n powder_v that_o the_o glass_n may_v become_v as_o red_a as_o blood_n if_o it_o be_v not_o so_o much_o colour_v add_v copper_n calcine_v to_o redness_n and_o tartar_n till_o it_o come_v to_o this_o colour_n the_o colour_n of_o a_o balass_n chap._n cxxii_o put_v crystal_n fritt_n in_o a_o pot_n into_o a_o furnace_n cast_v it_o thrice_o into_o water_n then_o thing_fw-mi it_o with_o manganese_n prepare_v into_o a_o clean_a purple_a then_o take_v alumen_fw-la catinum_fw-la fift_v fine_a put_v in_o thereof_o so_o much_o as_o will_v make_v the_o glass_n become_v purple_a and_o this_o you_o shall_v do_v eight_o time_n and_o know_v that_o alum_n make_v the_o glass_n grow_v yellow_a and_o a_o little_a reddish_n but_o not_o blakish_a and_o it_o always_o make_v the_o manganese_n fly_v away_o and_o the_o last_o time_n that_o you_o add_v manganese_n give_v not_o the_o glass_n more_o alum_n except_o the_o colour_n be_v too_o full_a and_o so_o you_o shall_v have_v a_o most_o fair_a ballast_n colour_n to_o extract_v the_o anima_fw-la saturni_n which_o serve_v for_o many_o thing_n in_o enamel_n and_o glass_n chap._n cxxiii_o put_v litharge_n well_o ground_n into_o a_o earthen_a pan_n well_o glaze_v pour_v upon_o it_o distil_a vinegar_n which_o must_v be_v high_a than_o it_o four_o finger_n let_v they_o stand_v till_o the_o vinegar_n be_v colour_v into_o a_o milky_a colour_n which_o it_o will_v sudden_o be_v decant_v off_o this_o colour_a vinegar_n and_o put_v new_a upon_o the_o litharge_n repeat_v this_o work_n till_o the_o vinegar_n become_v no_o more_o colour_v then_o let_v these_o colour_a vinegar_n stand_v in_o earthen_a pan_n glaze_v that_o the_o milky_a substance_n of_o the_o lead_n may_v sink_v to_o the_o bottom_n decant_v off_o the_o clear_a vinegar_n this_o milky_a material_a be_v the_o anima_fw-la saturni_n to_o wit_v the_o most_o noble_a part_n which_o serve_v for_o enamel_n and_o glass_n in_o many_o thing_n and_o if_o this_o white_a stuff_n precipitate_v not_o well_o cast_v upon_o it_o cold_a water_n which_o be_v wont_a to_o make_v it_o fall_v to_o the_o bottom_n and_o when_o it_o do_v not_o precipitate_v evaporate_v the_o vinegar_n and_o water_n and_o the_o more_o subtle_a part_n remain_v at_o the_o bottom_n good_a for_o many_o thing_n in_o this_o art_n a_o fair_a red_a to_o enamel_n gold_n chap._n cxxiv_o take_v crystal_n fritt_n make_v in_o this_o manner_n to_o wit_n salt_n of_o polverine_n ten_o pound_n white_a tarso_n fine_o ground_v eight_o pound_n make_v a_o solid_a past_a with_o this_o stuff_n and_o water_n and_o make_v thereof_o as_o it_o be_v small_a and_o thin_a wafer_n put_v these_o on_o earthen_a pan_n in_o a_o little_a furnace_n make_v in_o the_o fashion_n of_o a_o calcar_fw-la that_o they_o may_v be_v calcine_v with_o a_o good_a fire_n ten_o hour_n and_o in_o defect_n thereof_o put_v they_o in_o the_o furnace_n near_o the_o occhio_n for_o three_o or_o four_o day_n till_o they_o be_v well_o calcine_v take_v calcine_v lead_n and_o tin_n prepare_v as_o in_o chap._n 93._o tartar_n of_o white_a wine_n calcine_v of_o each_o two_o pound_n mix_v they_o well_o together_o and_o put_v they_o into_o a_o pot_n glaze_v with_o white_a glass_n let_v they_o melt_v and_o refine_v well_o then_o cast_v they_o into_o water_n do_v this_o twice_o then_o put_v they_o in_o the_o furnace_n and_o when_o well_o refine_v in_o the_o pot_n give_v they_o of_o copper_n calcine_v to_o redness_n ten_o ounce_n let_v the_o colour_n purify_v well_o then_o give_v it_o crocus_n martis_n make_v with_o aquafortis_n put_v it_o in_o by_o little_a and_o little_a as_o you_o do_v with_o manganese_n then_o let_v it_o settle_v six_o hour_n and_o see_v whether_o the_o colour_n be_v good_a if_o not_o give_v it_o crocus_n by_o little_a and_o little_a till_o you_o have_v the_o desire_a colour_n a_o fair_a red_a for_o gold_n after_o another_o manner_n chap._n cxxv_o take_v crystal_n fritt_n make_v as_o in_o chap._n 124._o four_o pound_n melt_v it_o in_o a_o clean_a pot_n glaze_v cast_v it_o when_o refine_v into_o water_n and_o refine_v it_o again_o in_o the_o furnace_n cast_v it_o into_o water_n a_o second_o time_n and_o refine_v it_o again_o then_o put_v in_o by_o little_a and_o little_a of_o calcine_v lead_n and_o tin_n purify_v half_o a_o ounce_n at_o a_o time_n let_v the_o calces_fw-la incorporate_a and_o when_o the_o glass_n become_v of_o a_o ash_n colour_n put_v in_o no_o more_o calces_fw-la for_o too_o much_o of_o they_o make_v the_o colour_n white_a and_o not_o good_a let_v the_o glass_n refine_v with_o the_o calces_fw-la then_o put_v into_o the_o glass_n fine_a red_a lead_n two_o ounce_n and_o when_o incorporate_v and_o refine_a well_o cast_v they_o into_o the_o water_n and_o set_v they_o in_o the_o furnace_n eight_o hour_n then_o take_v of_o the_o copper_n calcine_v to_o redness_n and_o of_o white_a crude_a tartar_n of_o each_o half_n a_o ounce_n put_v they_o and_o mix_v they_o well_o in_o the_o pot_n then_o add_v of_o lapis_n haematites_n wherewith_o the_o cutler_n burnish_v and_o of_o fix_a sulphur_n of_o each_o one_o drachm_n mix_v and_o incorporate_v these_o powder_n and_o see_v if_o the_o colour_n be_v too_o deep_a give_v it_o a_o little_a manganese_n which_o make_v it_o light_a and_o if_o it_o be_v too_o light_a a_o colour_n give_v it_o fix_v sulphur_n and_o lapis_fw-la haematites_n and_o a_o little_a of_o copper_n calcine_v to_o redness_n and_o a_o little_a tartar_n of_o white_a wine_n with_o discretion_n and_o do_v this_o till_o it_o come_v to_o the_o desire_a colour_n to_o fix_v sulphur_n for_o the_o work_n abovesaid_a chap._n cxxvi_o boil_v flower_n of_o brimstone_n in_o common_a oil_n a_o hour_n take_v they_o from_o the_o fire_n and_o cast_v upon_o they_o the_o strong_a vinegar_n and_o the_o sulphur_n will_v sudden_o sink_v to_o the_o bottom_n and_o the_o oil_n will_v swim_v upon_o the_o vinegar_n empty_a the_o oil_n and_o vinegar_n and_o put_v new_a oil_n upon_o the_o sulphur_n repeat_v this_o thrice_o and_o then_o you_o shall_v have_v a_o fix_a sulphur_n for_o the_o work_n abovesaid_a glass_n as_o red_a as_o blood_n which_o may_v serve_v for_o the_o abovesaid_a fair_a red._n chap._n cxxvii_o melt_v in_o a_o pot_n of_o glass_n of_o lead_n six_o pound_n crystal_n fritt_n ten_o pound_n cast_v they_o when_o refine_v into_o water_n put_v they_o again_o into_o the_o pot_n when_o they_o be_v well_o refine_v give_v this_o glass_n four_o or_o six_o ounce_n of_o copper_n calcine_v to_o redness_n let_v they_o boil_v and_o refine_v well_o then_o give_v they_o red_a tartar_n powder_v which_o incorporate_v with_o the_o glass_n let_v they_o refine_v and_o see_v if_o the_o colour_n please_v you_o and_o if_o it_o be_v not_o heighten_v with_o the_o copper_n and_o tartar_n put_v it_o again_o to_o anneal_a till_o it_o come_v to_o be_v sufficient_o red_a this_o be_v do_v to_o heighten_v the_o colour_n a_o approve_a way_n to_o make_v a_o fair_a red_a enamel_n for_o gold_n chap._n cxxviii_o take_v of_o crystal_n fritt_n boil_v it_o as_o in_o chap._n 124._o six_o pound_n refine_v it_o well_o in_o a_o
in_o they_o but_o too_o much_o of_o this_o in_o mess_n aliena_fw-la aristophanes_n seem_v to_o be_v the_o first_o that_o mention_n this_o word_n 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d now_o render_v glass_n for_o in_o nubes_fw-la act._n 2._o scen._n 1._o he_o bring_v in_o sthrepsiades_n abuse_v socrates_n and_o teach_v he_o a_o new_a way_n to_o pay_v old_a debt_n viz._n by_o place_v a_o fair_a transparent_a stone_n sell_v by_o the_o druggist_n and_o from_o which_o they_o strike_v fire_n betwixt_o the_o sun_n and_o the_o accusation_n bring_v in_o write_v against_o he_o for_o the_o sun_n will_v soon_o melt_v away_o the_o letter_n of_o the_o accusation_n which_o stone_n socrates_n ready_o call_v 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d whereon_o the_o scholiast_n thus_o druggist_n sell_v precious_a stone_n as_o well_o as_o medicament_n and_o that_o the_o ancient_n call_v 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d the_o same_o with_o 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d crystal_n that_o homer_n know_v not_o the_o name_n and_o that_o with_o he_o and_o the_o ancient_n the_o word_n electrum_n be_v use_v the_o scholiast_n there_o testify_v though_o he_o himself_o clear_o describe_v our_o glass_n in_o these_o word_n we_o proper_o call_v that_o glass_n which_o be_v melt_v by_o fire_n from_o a_o certain_a herb_n burn_v to_o prepare_v certain_a vessel_n hesichius_n have_v not_o the_o word_n 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d in_o this_o sense_n but_o hyalen_n hyalon_n hyaloen_n shine_v and_o diaphanous_a the_o etymologist_n have_v it_o in_o this_o sense_n and_o fetch_v the_o etymon_n from_o 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d to_o rain_v from_o the_o likeness_n it_o have_v to_o ice_n which_o be_v congeal_v rain_n or_o water_n in_o consistence_n and_o diaphaneity_n and_o in_o this_o sense_n as_o some_o glass_n from_o glacies_fw-la ice_n aristotle_n have_v two_o problem_n of_o glass_n first_o why_o we_o see_v through_o it_o sect._n 2._o 61._o second_o why_o it_o can_v be_v bend_v now_o if_o these_o problem_n be_v aristotel_n as_o learned_a man_n doubt_v whether_o they_o be_v or_o no_o than_o this_o seem_v to_o be_v the_o most_o ancient_a piece_n of_o antiquity_n for_o glass_n for_o neither_o in_o the_o ancient_a greek_a poet_n nor_o orator_n shall_v you_o find_v any_o mention_n of_o glass_n though_o a_o thing_n so_o fit_a for_o their_o purpose_n as_o be_v abovesaid_a and_o note_v the_o ambiguity_n of_o the_o word_n 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d for_o crystal_n be_v so_o call_v as_o the_o scholiast_n above_o and_o hugo_n grotius_n and_o these_o name_n be_v wont_a to_o be_v mix_v by_o reason_n of_o the_o likeness_n of_o the_o thing_n and_o gorraeus_n say_v that_o a_o certain_a kind_n of_o yellow_a amber_n and_o transparent_a as_o glass_n be_v call_v by_o some_o hyalus_n the_o first_o then_o among_o the_o greek_n that_o without_o question_n have_v mention_v glass_n be_v alex._n aphrod_n who_o thus_o say_v as_o the_o floridness_n of_o a_o colour_n be_v see_v through_o glass_n and_o yet_o more_o clear_o lib._n 1._o probl._n glass_n in_o the_o winter_n in_o vehement_a and_o sudden_a heat_n come_v upon_o they_o break_v and_o again_o to_o break_v the_o body_n of_o the_o glass_n and_o lucian_n mention_n very_o large_a drink_a vessel_n of_o glass_n and_o plutarch_n in_o his_o symposiack_a say_v that_o fire_n of_o tamarisk_a wood_n be_v fit_a to_o form_v glass_n that_o the_o egyptian_n be_v skilful_a in_o this_o art_n appear_v by_o flavius_n vopiscus_n quote_v by_o marcel_n donatus_n in_o these_o word_n alexandria_n a_o city_n rich_a fruitful_a wherein_o no_o body_n live_v idle_a some_o blow_n glass_n other_o make_v paper_n etc._n etc._n though_o kich_a in_o his_o oedipus_n write_v of_o the_o egyptian_a art_n mention_n not_o this_o lucretius_n among_o the_o latin_a poet_n be_v the_o first_o i_o find_v mention_n glass_n who_o verse_n i_o shall_v add_v because_o they_o give_v his_o account_n of_o its_o transparency_n nisi_fw-la recta_fw-la foramina_fw-la tranant_fw-la qualia_n sunt_fw-la vitri_fw-la l._n 4._o 602_o 60._o and_o again_o atque_fw-la aliud_fw-la per_fw-la ligna_fw-la aliud_fw-la transire_fw-la per_fw-la aurum_fw-la argentoque_fw-la foras_fw-la aliud_fw-la vitroque_fw-la more_fw-mi l._n 6._o v._n 989_o 990._o but_o downward_o all_o the_o other_o poet_n this_o art_n be_v unknown_a to_o america_n and_o all_o asia_n except_o sidon_n and_o china_n who_o of_o late_o have_v learned_a to_o make_v it_o very_o perspicuous_a of_o rice_n but_o very_o brittle_a and_o therefore_o not_o to_o be_v compare_v as_o yet_o with_o we_o though_o it_o come_v near_o it_o atlas_n cinicus_n pag._n 6._o but_o to_o decide_v this_o controversy_n it_o be_v manifest_a that_o glass_n can_v not_o be_v unknown_a to_o the_o ancient_n and_o must_v needs_o be_v as_o ancient_a as_o potterie_n itself_o or_o the_o art_n of_o make_v brick_n for_o scarce_o can_v a_o kill_v of_o brick_n be_v burn_v or_o a_o batch_n of_o pottery_n wear_v be_v make_v but_o some_o of_o the_o brick_n and_o ware_n will_v be_v at_o least_o superficial_o turn_v to_o glass_n and_o therefore_o without_o doubt_n it_o be_v know_v at_o the_o build_n of_o the_o tower_n of_o babel_n and_o as_o long_o before_o as_o that_o art_n be_v use_v and_o likewise_o by_o the_o egyptian_n for_o when_o the_o child_n of_o israel_n be_v in_o captivity_n we_o read_v that_o make_n of_o brick_n be_v a_o great_a part_n of_o their_o bondage_n and_o of_o this_o nature_n must_v that_o fossil_n glass_n be_v whereof_o ferant_fw-la imperatus_fw-la lib._n 25._o cap._n 7._o thus_o say_v glass_n like_a to_o the_o artificial_a be_v find_v under_o the_o earth_n in_o place_n where_o great_a fire_n have_v be_v neither_o whereof_o strike_v yield_v spark_n of_o fire_n other_o glass_n be_v find_v in_o round_a clot_n like_o fire-stone_n shine_v in_o the_o break_n and_o transparent_a with_o greeness_n which_o in_o show_n resemble_v colophonia_fw-la and_o these_o strike_a sparkle_n like_o fire-stone_n from_o which_o notwithstanding_o they_o be_v different_a as_o well_o in_o their_o vegetation_n proper_a to_o fire_n stone_n as_o also_o in_o shine_v and_o much_o quick_a melt_v proper_a to_o glass_n of_o these_o say_a glass_n some_o be_v brittle_a other_o solid_a the_o brittle_a or_o crumble_a put_v in_o the_o fire_n swell_v and_o take_v the_o shape_n of_o white_a pumice-stone_n and_o afterward_o the_o shine_a of_o artificial_a glass_n but_o those_o which_o be_v continue_v and_o solid_a by_o a_o small_a change_n from_o the_o fire_n pass_v from_o blackness_n to_o white_a artificial_a glass_n this_o fossil_n glass_n be_v wrought_v by_o the_o american_n to_o make_v hole_n and_o cut_v instead_o of_o iron_n so_o far_o he_o and_o happy_o of_o this_o sort_n of_o glass_n be_v a_o piece_n thereof_o which_o i_o light_v on_o at_o s._n alban_n a_o ancient_a garrison_n of_o the_o roman_n which_o i_o strike_v off_o from_o a_o roman_a brick_n it_o be_v of_o the_o same_o colour_n and_o substance_n with_o what_o appear_v in_o we_o at_o this_o day_n and_o no_o doubt_n but_o this_o glass_n be_v more_o frequent_a in_o their_o brick_n than_o we_o for_o they_o temper_v their_o earth_n two_o year_n together_o and_o so_o it_o wrought_v more_o firm_a and_o close_o beside_o they_o burn_v they_o better_o and_o this_o vitrification_n of_o earth_n make_v into_o brick_n be_v not_o only_o at_o the_o first_o burn_v of_o they_o but_o also_o as_o imperatus_fw-la observe_v may_v be_v from_o great_a fire_n to_o wit_v such_o as_o be_v in_o lime-kils_a and_o potter_n kill_v such_o as_o be_v most_o ancient_a in_o asia_n and_o africa_n for_o in_o those_o the_o brick_n usual_o vitrifie_v but_o i_o have_v not_o hear_v nor_o see_v any_o of_o they_o vitrify_v in_o the_o fire_n of_o house_n build_v therewith_o for_o it_o seem_v that_o only_a a_o fire_n make_v with_o layer_n of_o dry_a crude_a brick_n burn_v in_o the_o fire_n can_v produce_v this_o effect_n or_o else_o by_o the_o way_n of_o reverberation_n in_o furnace_n where_o most_o vehement_a close_o &_o continue_a fire_n be_v make_v this_o glass_n lie_v long_o in_o the_o earth_n though_o helmont_n affirm_v that_o glass_n there_o dissolve_v putrify_v and_o turn_v to_o water_n in_o few_o year_n which_o though_o true_a in_o our_o fine_a crystal_n as_o to_o the_o saline_a part_n yet_o seem_v not_o so_o of_o glass_n in_o general_n as_o for_o the_o way_n mention_v by_o our_o author_n find_v out_o by_o merchant_n it_o seem_v not_o very_o credible_a since_o the_o continual_a burn_a of_o kali_n in_o spain_n and_o egypt_n for_o barillia_fw-la and_o polverine_n and_o of_o kelp_n and_o other_o material_n for_o green_a glass_n with_o we_o in_o great_a quantity_n than_o the_o say_a merchant_n do_v to_o dress_v their_o provision_n and_o consequent_o a_o strong_a and_o more_o last_a heat_n raise_v thereby_o do_v never_o produce_v glass_n in_o any_o place_n or_o time_n
relate_v by_o pliny_n now_o as_o to_o the_o possibility_n of_o make_v glass_n malleable_a i_o find_v not_o one_o argument_n beside_o this_o report_n unless_o by_o the_o chemist_n who_o prove_v it_o per_fw-la circulum_fw-la reason_v from_o their_o elixir_n to_o glass_n and_o from_o glass_n to_o the_o elixir_n and_o sure_o it_o be_v more_o feasible_a to_o make_v the_o one_o than_o the_o other_o for_o in_o the_o make_n of_o the_o elixir_n the_o production_n be_v tale_n ens_fw-la ex_fw-la non_fw-la tali_fw-la ente_fw-la there_o be_v no_o resistance_n and_o incapacity_n in_o the_o matter_n ex_fw-la qua_fw-la but_o in_o glass_n quite_o otherwise_o for_o it_o be_v of_o its_o own_o nature_n the_o most_o brittle_a thing_n in_o the_o world_n and_o to_o make_v it_o malleable_a a_o quality_n quite_o contrary_a to_o its_o nature_n must_v be_v introduce_v beside_o diaphaneity_n be_v a_o property_n not_o communicate_v to_o any_o thing_n malleable_a and_o who_o will_v call_v that_o glass_n that_o be_v not_o transparent_a as_o well_o may_v one_o name_n that_o gold_n which_o be_v not_o ponderous_a nor_o malleable_a as_o that_o glass_n which_o be_v malleable_a and_o not_o transparent_a add_v hereunto_o that_o the_o nature_n of_o malleability_n consist_v in_o a_o close_a and_o throughout_o adhaesion_n of_o part_n to_o part_n and_o a_o capacity_n to_o the_o change_n of_o figure_n in_o the_o minute_a part_n both_o which_o be_v inconsistent_a with_o the_o nature_n of_o glass_n for_o the_o material_o of_o glass_n sand_n and_o salt_n have_v such_o figure_n as_o seem_v incapable_a of_o such_o adhaesion_n in_o every_o part_n one_o to_o another_o for_o all_o salt_n have_v their_o determinate_a figure_n which_o they_o keep_v too_o in_o their_o great_a solution_n and_o action_n of_o the_o fire_n upon_o they_o unless_o a_o total_a destruction_n be_v wrought_v upon_o they_o as_o many_o instance_n may_v evince_v and_o that_o figure_n be_v various_a according_a to_o the_o salt_n salt-peter_n and_o all_o alcalizate-salt_n be_v point_v and_o by_o their_o pungency_n and_o caustickness_n seem_v to_o be_v make_v up_o of_o infinite_a sharp_a point_a needle_n and_o as_o for_o sand_n the_o figure_n thereof_o be_v various_a nay_o infinite_a as_o it_o appear_v in_o microscope_n now_o how_o can_v any_o man_n imagine_v that_o such_o variety_n of_o figure_n in_o sand_n can_v so_o comply_v with_o the_o determinate_a figure_n of_o salt_n as_o to_o touch_v one_o another_o in_o minimis_fw-la which_o be_v necessary_a to_o make_v it_o malleable_a whereas_o to_o make_v it_o glass_n it_o be_v enough_o that_o those_o two_o touch_v one_o another_o at_o certain_a point_n only_o whereby_o such_o a_o union_n be_v form_v which_o be_v necessary_a to_o denominate_v glass_n but_o whole_o incompatible_a with_o malleability_n and_o this_o union_n be_v that_o which_o make_v in_o glass_n pore_n from_o whence_o come_v its_o diaphaneity_n as_o you_o have_v hear_v from_o lucret._n beside_o something_o say_v before_o declare_v that_o they_o both_o remain_v the_o same_o in_o the_o compound_n they_o be_v before_o i_o shall_v conclude_v this_o argument_n and_o say_v that_o i_o conceive_v that_o nothing_o but_o the_o elixir_n will_v perform_v this_o effect_n and_o that_o both_o of_o they_o will_v come_v into_o the_o world_n together_o of_o the_o furnace_n before_o we_o enter_v upon_o the_o art_n it_o be_v self_n it_o be_v necessary_a to_o deliver_v the_o manner_n of_o their_o furnace_n and_o their_o several_a instrument_n and_o also_o how_o their_o metal_n when_o â—efined_v must_v be_v wrought_v all_o which_o be_v pretermit_v by_o our_o author_n though_o necessary_a to_o be_v know_v by_o the_o reader_n there_o be_v three_o sort_n of_o furnace_n as_o agric._n de_fw-fr re_fw-mi metallica_fw-la distinguish_v they_o the_o first_o the_o calcar_fw-la fornax_fw-la calcaria_fw-la be_v make_v in_o the_o fashion_n of_o a_o oven_n ten_o foot_n long_o and_o seven_o broad_a where_o wide_a and_o two_o foot_n deep_a on_o one_o side_n thereof_o they_o have_v a_o trench_n about_o six_o inch_n square_a the_o upper_a part_n whereof_o be_v level_a with_o the_o surface_n of_o the_o calcar_fw-la separate_v only_o from_o it_o at_o the_o mouth_n by_o brick_n some_o nine_o inch_n wide_a into_o this_o trench_n they_o put_v their_o sea-coal_n the_o flame_n whereof_o pass_v into_o all_o the_o part_n of_o this_o furnace_n and_o reverberate_v from_o the_o roof_n upon_o the_o frit_n over_o who_o surface_n all_o the_o smoke_n fly_v very_o black_a and_o go_v out_o of_o the_o mouth_n of_o the_o calcar_fw-la and_o the_o conciator_n never_o stir_v his_o frit_n till_o the_o smoke_n be_v past_a the_o coal_n burn_v as_o in_o other_o furnace_n on_o iron_n grate_v and_o the_o ash_n fall_v thence_o into_o the_o ashole_a which_o be_v level_a with_o the_o floor_n the_o conciator_n call_v in_o the_o green-glass_n house_n the_o founder_n be_v he_o that_o weigh_v and_o proportion_n the_o salt_n or_o ash_n and_o sand_n and_o work_v they_o with_o a_o strong_a fire_n till_o they_o run_v into_o lump_n and_o become_v white_a and_o if_o the_o metal_n be_v too_o hard_a and_o consequent_o brittle_a he_o add_v salt_n or_o ash_n and_o if_o too_o soft_a sand_n still_o mix_v they_o to_o a_o fit_a temper_n which_o be_v only_o know_v by_o the_o work_n of_o it_o according_a as_o the_o frit_n be_v prepare_v he_o draw_v it_o out_o of_o the_o calcar_fw-la and_o when_o it_o be_v cold_a lay_v it_o by_o for_o use_v he_o do_v not_o here_o cast_v water_n upon_o the_o frit_n nor_o water_n it_o with_o lee_n as_o our_o author_n enjoun_v and_o after_o some_o few_o day_n use_v this_o frit_n to_o make_v metal_n which_o when_o it_o be_v melt_v in_o the_o pot_n in_o the_o work_a furnace_n with_o a_o square_n he_o rake_n and_o stir_n and_o mix_v well_o the_o metal_n when_o the_o square_a be_v red_a hot_a he_o put_v it_o into_o a_o pail_n of_o water_n for_o otherwise_o the_o metal_n will_v stick_v to_o it_o with_o a_o ladle_n he_o take_v out_o the_o sandever_n or_o empty_v the_o metal_n from_o one_o pot_n into_o another_o and_o with_o his_o porteglo_n he_o scum_n the_o glass_n and_o with_o the_o spiei_fw-la a_o iron_n point_v and_o hook_a at_o the_o end_n he_o take_v metal_n out_o of_o the_o pot_n for_o proof_n or_o essay_n to_o see_v whether_o the_o colour_n be_v good_a and_o the_o metal_n fit_a to_o work_v some_o anneal_a their_o pot_n in_o this_o furnace_n as_o agric._n the_o second_o or_o work_a furnace_n be_v that_o where_o the_o pot_n be_v set_v to_o which_o belong_v the_o fire_n place_n and_o ash-hole_n this_o furnace_n be_v round_o of_o three_o yard_n diameter_n and_o two_o in_o height_n arch_v above_o round_o about_o the_o inside_n whereof_o 8_o or_o more_o pot_n be_v set_v and_o on_o these_o the_o pile_v pot_n the_o number_n of_o the_o pot_n be_v always_o double_a to_o the_o work_a boccas_n that_o each_o master_n may_v have_v one_o pot_n refine_v and_o to_o work_v out_o of_o and_o another_o for_o metal_n to_o refine_v in_o while_o he_o work_v out_o the_o pot_n which_o have_v refine_v in_o it_o it_o have_v two_o partition_n the_o lowermost_a separate_v the_o pot_n from_o the_o fire_n place_n in_o the_o centre_n whereof_o there_o be_v a_o circular_a hole_n make_v with_o iron_n grate_v fourteen_o inch_n or_o more_o in_o diameter_n through_o which_o the_o flame_n pass_v from_o the_o fire-place_n into_o this_o furnace_n from_o who_o arch_a side_n and_o roof_n it_o be_v reverberate_v into_o the_o melt_a pot_n the_o second_o partition_n divide_v this_o from_o the_o leer_n to_o this_o furnace_n belong_v these_o hole_n first_o bocca_fw-it the_o work_a hole_n by_o which_o the_o metal_n be_v take_v out_o of_o the_o great_a pot_n and_o by_o which_o the_o pot_n be_v put_v into_o the_o furnace_n this_o be_v stop_v with_o a_o cover_n make_v with_o lute_n and_o brick_n removable_a at_o pleasure_n to_o preserve_v the_o workmen_n eye_n from_o the_o vehement_a heat_n of_o the_o fire_n this_o have_v a_o hole_n in_o it_o more_o than_o a_o palm_n wide_a by_o which_o the_o vessel_n be_v scald_v as_o often_o as_o it_o be_v needful_a to_o this_o bocca_fw-it belong_v the_o halsinella_n which_v be_v certain_a hook_n fasten_v to_o the_o side_n of_o the_o furnace_n whereon_o to_o rest_v and_o turn_v their_o vessel_n when_o they_o scald_v they_o 2._o boccarellas_n one_o on_o each_o side_n of_o the_o bocca_fw-it lie_v almost_o horizontal_o with_o it_o out_o of_o these_o the_o servitor_n take_v colour_v or_o fine_a metal_n from_o the_o pile_v pot_n 3._o oven_n or_o hole_n next_o the_o leer_n to_o calcine_v tartar_n iron_n etc._n etc._n one_o on_o each_o side_n lie_v level_a with_o the_o bocca_fw-it to_o this_o also_o belong_v the_o fire_n place_n have_v two_o tizzonaios_n or_o stitch_n one_o on_o each_o side_n of_o the_o furnace_n by_o
whereof_o fall_n thence_o into_o a_o pit_n where_o they_o grow_v into_o a_o hard_a mass_n or_o stone_n &_o be_v gather_v and_o lay_v up_o for_o use_n &_o be_v call_v sode_n as_o lobel_n affirm_v when_o these_o plant_n be_v first_o take_v notice_n of_o be_v uncertain_a the_o first_o that_o take_v notice_n of_o they_o and_o give_v they_o their_o name_n be_v the_o arabian_n as_o also_o to_o their_o salt_n as_o appear_v by_o their_o addition_n all_o which_o be_v pure_o arabic_a among_o they_o i_o find_v it_o mention_v by_o serapio_n and_o aviden_n the_o physician_n who_o both_o commend_v it_o for_o the_o stone_n ulcer_n and_o disease_n of_o the_o eye_n lobel_n think_v that_o we_o owe_v the_o plant_n name_n and_o way_n to_o make_v the_o salt_n to_o the_o latter_a grecian_n or_o arabian_a philosopher_n chemist_n that_o wrought_v in_o glass_n advers._fw-la pag._n 169._o but_o as_o to_o the_o grecian_n and_o their_o knowledge_n of_o it_o i_o can_v consent_v because_o it_o be_v not_o mention_v by_o any_o of_o the_o greek_a physician_n or_o other_o writer_n beside_o it_o have_v not_o yet_o attain_v any_o name_n in_o that_o language_n and_o therefore_o doubtless_o the_o arabian_n of_o latter_a time_n have_v convey_v the_o knowledge_n thereof_o to_o we_o chap._n 1._o to_o know_v the_o quantity_n and_o strength_n of_o the_o salt_n the_o best_a and_o ready_a to_o know_v this_o be_v that_o practise_v by_o the_o soap-boiler_n in_o their_o essay-glass_n they_o dissolve_v their_o soap-ash_n in_o fair_a water_n and_o filtre_n the_o lee_n and_o weigh_v it_o again_o and_o so_o by_o measure_v the_o quantity_n of_o the_o lee_n and_o compare_v it_o with_o the_o weight_n of_o the_o water_n and_o ash_n before_o they_o be_v dissolve_v they_o find_v how_o much_o salt_n such_o a_o quantity_n of_o ash_n contain_v brass_n copper_n our_o author_n every_o where_o forbid_v the_o use_n of_o brass_n and_o copper_n unless_o where_o green_n or_o blow_v colour_n be_v to_o be_v make_v and_o certain_o these_o strong_a lees_n will_v fret_v off_o some_o part_n of_o the_o copper_n or_o else_o the_o moisture_n of_o the_o air_n and_o lee_n will_v turn_v part_n of_o it_o into_o verdigreas_n and_o therefore_o here_o they_o use_v only_a boiler_n line_v on_o the_o inside_n with_o lead_n such_o as_o the_o alum_n and_o copperas_n maker_n employ_v to_o extract_v their_o salt_n in_o tartar_n of_o red_a wine_n calcine_v tartar_n call_v by_o our_o author_n greppola_n and_o grumi_n di_fw-mi botti_n which_o be_v indeed_o the_o lees_n and_o be_v to_o be_v distinguish_v from_o the_o tartar_n it_o be_v self_n this_o stick_v to_o the_o side_n of_o the_o vessel_n in_o thick_a and_o hard_a lump_n and_o as_o helmont_n say_v be_v never_o to_o be_v find_v in_o the_o region_n of_o the_o lees_n whereas_o they_o on_o the_o contrary_n be_v always_o find_v at_o the_o bottom_n of_o the_o vessel_n moist_a and_o in_o small_a piece_n only_o tartar_n of_o red_a wine_n best_o for_o this_o use_n because_o it_o contain_v a_o strong_a salt_n and_o more_o in_o quantity_n than_o that_o of_o white_a wine_n it_o be_v calcine_v to_o burn_v off_o all_o heterogeneous_a body_n mix_v therewith_o and_o to_o make_v the_o salt_n white_a and_o for_o the_o speedy_a dissolution_n of_o it_o in_o the_o water_n and_o better_a extraction_n of_o the_o salt_n from_o the_o polverine_n who_o body_n be_v open_v by_o the_o tartar_n as_o alum_n or_o vitriol_n open_v the_o body_n of_o saltpetre_n in_o make_v aquafortis_n or_o spirit_n of_o nitre_n which_o otherwise_o without_o such_o like_a addition_n will_v not_o rise_v and_o for_o the_o same_o cause_n the_o tartar_n must_v be_v dissolve_v in_o the_o water_n before_o the_o polverine_n be_v put_v into_o the_o boiler_n they_o calcine_v their_o tartar_n in_o a_o oven_n near_o the_o leer_n in_o the_o space_n of_o six_o hour_n and_o that_o to_o whiteness_n too_o find_v that_o this_o have_v a_o better_a effect_n than_o a_o mean_a calcination_n have_v what_o advantage_n the_o draw_v off_o the_o humidity_n of_o the_o tartar_n give_v a_o secret_a way_n use_v by_o some_o chemist_n do_v demonstrate_v to_o make_v their_o crystal_n and_o cream_n of_o tartar_n large_a and_o white_a they_o powder_n it_o gross_o and_o then_o calcine_v or_o rather_o dry_v it_o thorough_o in_o a_o oven_n in_o tin_n pan_n and_o thus_o they_o make_v they_o much_o better_o than_o they_o can_v be_v make_v without_o this_o dry_n or_o moderate_a calcination_n the_o salt_n sink_v to_o the_o bottom_n of_o the_o boiler_n and_o be_v take_v out_o with_o a_o scummer_v from_o which_o drain_v all_o the_o moisture_n and_o let_v it_o run_v into_o the_o boiler_n when_o the_o faeces_fw-la of_o the_o lees_n have_v settle_v to_o the_o bottom_n of_o the_o tub_n they_o draw_v they_o off_o with_o a_o siphon_n chap._n 2._o tarso_n the_o second_o material_a and_o that_o which_o give_v consistence_n and_o body_n and_o firmness_n to_o glass_n be_v sand_n or_o stone_n as_o iron_n give_v to_o english_a copperas_n and_o copper_n to_o hungarian_a dantzick_n and_o roman_a vitriol_n which_o otherwise_o will_v run_v into_o water_n in_o moist_a place_n and_o season_n concern_v these_o stone_n agric._n l._n 10._o say_v they_o must_v be_v such_o as_o will_v melt_v and_o of_o they_o those_o which_o be_v white_a and_o transparent_a be_v best_a wherefore_o crystal_n challenge_v precedency_n for_o of_o these_o break_a plin._n say_v author_n affirm_v that_o glass_n be_v make_v in_o india_n so_o excellent_o transparent_a that_o no_o other_o may_v be_v compare_v with_o it_o the_o next_o place_n they_o give_v to_o those_o stone_n which_o though_o inferior_a to_o crystal_n in_o hardness_n yet_o be_v white_a and_o transparent_a as_o that_o be_v the_o three_o place_n be_v give_v to_o those_o which_o be_v white_a but_o not_o transparent_a next_o to_o tarso_n our_o author_n commend_v quocoli_n render_v pebble_n which_o ferant_fw-la imperatus_fw-la l._n 24._o c._n 16._o thus_o describe_v the_o glass_n stone_n be_v like_a in_o appearance_n to_o white_a marble_n partake_v of_o transparency_n differ_v from_o it_o in_o hardness_n which_o it_o have_v as_o much_o as_o flint_n whence_o it_o be_v that_o being_n strike_v it_o sparkle_v and_o put_v into_o the_o fire_n turn_v not_o to_o lime_n this_o stone_n most_o common_o partake_v of_o a_o light_n green_n like_o the_o serpentine_a stone_n it_o be_v find_v in_o '_o its_o natural_a place_n clad_v and_o mix_v with_o vein_n of_o crust_v talk_n when_o it_o be_v first_o put_v into_o fire_n it_o lose_v its_o transparency_n and_o become_v white_a and_o light_a and_o afterward_o it_o turn_v into_o glass_n it_o be_v wrought_v by_o the_o glass-man_n as_o a_o material_a of_o glass_n under_o the_o name_n of_o cuogolo_n because_o they_o gather_v they_o in_o the_o bottom_n of_o river_n and_o torrent_n in_o the_o form_n of_o round_a pebble_n or_o shard_n and_o those_o be_v they_o our_o author_n say_v be_v use_v at_o muran_n it_o be_v without_o controversy_n that_o all_o white_a and_o transparent_a stone_n such_o as_o will_v not_o become_v â—â—me_n serve_v well_o for_o glass_n but_o our_o author_n axiom_n be_v not_o whole_o true_a for_o neither_o the_o stone_n from_o newcastle_n mention_v in_o the_o glass_n furnace_n nor_o fire-stone_n nor_o rance_n stone_n and_o many_o other_o which_o strike_v fire_n with_o a_o steel_n or_o horse_n shoe_n and_o coach_n wheel_n will_v not_o serve_v to_o this_o purpose_n flint_n indeed_o have_v all_o the_o property_n and_o when_o calcine_v powder_v and_o serce_v into_o a_o most_o impalpable_a powder_n make_v incomparable_a pure_a and_o white_a crystal_n metal_n but_o the_o great_a charge_n in_o prepare_v they_o have_v deter_v the_o owner_n of_o our_o glass-house_n from_o far_a use_n of_o they_o sand_n be_v make_v use_n of_o where_o fit_a stone_n can_v be_v have_v and_o according_a to_o our_o author_n story_n be_v first_o use_v it_o must_v be_v white_a and_o small_a and_o well_o wash_v before_o use_v which_o be_v all_o the_o preparation_n of_o it_o such_o be_v usual_o find_v in_o mouth_n and_o side_n of_o river_n for_o crystal_n require_v a_o fine_a soft_a and_o white_a sand_n but_o green-glass_n that_o which_o be_v hard_o and_o more_o gritty_a and_o there_o be_v great_a variety_n in_o this_o material_a for_o some_o soon_o melt_v and_o mix_v with_o the_o ash_n and_o become_v glass_n joseph_n l._n 2._o c._n 9_o of_o the_o war_n of_o the_o jew_n relate_v strange_a thing_n of_o sand_n which_o be_v brief_o thus_o near_o ptolemais_n a_o city_n of_o galilee_n run_v the_o river_n belus_n arise_v from_o mount_n carmel_n between_o ptolemais_n and_o tyrus_n near_o this_o small_a river_n be_v the_o sepulchre_n of_o memnon_n have_v near_o it_o a_o space_n almost_o of_o 100_o cubic_n most_o worthy_a of_o admiration_n for_o there_o be_v a_o
must_v needs_o give_v various_a and_o distinct_a colour_n to_o the_o metal_n many_o experiment_n may_v be_v give_v of_o tinged_a liquor_n that_o put_v into_o the_o same_o glass_n will_v keep_v their_o distinct_a station_n and_o colour_n nay_o though_o the_o liquor_n be_v agitate_a and_o confound_v they_o will_v each_o return_n to_o their_o proper_a place_n and_o station_n in_o the_o preparation_n of_o these_o calcidony_n i_o shall_v observe_v first_o that_o all_o the_o colour_n material_n though_o not_o all_o their_o preparation_n be_v use_v in_o each_o of_o the_o three_o way_n viz._n zaffer_n manganese_n silver_n steel_n smalt_n and_o lead_n second_o the_o great_a variety_n of_o ingredient_n make_v the_o better_a calcidony_n for_o the_o first_o be_v more_o simple_a than_o the_o second_o and_o the_o second_o than_o the_o three_o and_o our_o author_n commend_v the_o last_o before_o the_o second_o and_o that_o before_o the_o first_o three_o that_o some_o ingredient_n there_o be_v in_o each_o of_o they_o which_o contribute_v no_o colour_n at_o all_o to_o the_o metal_n such_o be_v tartar_n soot_n shall_v ammoniac_a mercury_n four_o that_o some_o of_o they_o be_v of_o a_o unctuous_a nature_n as_o lead_v sore_o tartar_n and_o smalt_n which_o may_v hinder_v the_o union_n of_o the_o material_n one_o with_o another_o which_o appear_v by_o this_o that_o they_o do_v part_v one_o from_o another_o and_o therefore_o the_o metal_n be_v take_v when_o it_o begin_v to_o grow_v cold_a will_v then_o show_v some_o wave_n and_o divers_a colour_n very_o fair_a chap._n 42._o a_o great_a deal_n of_o art_n there_o be_v in_o work_v the_o metal_n at_o a_o due_a heat_n and_o in_o the_o manner_n also_o and_o in_o this_o latter_a much_o of_o art_n lie_v as_o it_o do_v also_o in_o marble_a paper_n porta_n teach_v how_o to_o colour_v glass_n with_o various_a colour_n this_o he_o find_v out_o by_o chance_n when_o he_o be_v make_v other_o trial_n calcine_v tin_n take_v away_o the_o perspicuous_a colour_n of_o glass_n and_o various_o colour_n it_o for_o when_o it_o be_v sprinkle_v by_o turn_n on_o glass_n polish_v with_o the_o wheel_n and_o expose_v to_o a_o kindle_a fire_n it_o colour_n they_o various_o and_o render_v they_o dark_a for_o one_o part_n become_v stone_n the_o other_o be_v various_o colour_v that_o it_o will_v seem_v a_o opal_n but_o you_o must_v often_o take_v they_o out_o of_o the_o fire_n and_o sit_v they_o till_o you_o have_v your_o wish_n here_o and_o in_o many_o other_o place_n our_o author_n tell_v you_o that_o glass_n may_v be_v wrought_v into_o any_o shape_n i_o shall_v for_o the_o reader_n delight_v set_v down_o the_o most_o curious_a i_o have_v meet_v with_o card._n l._n 10._o c._n 52._o the_o variâ—tate_n see_v a_o cart_n with_o two_o ox_n which_o be_v cover_v with_o the_o wing_n of_o a_o fly_n agric._n l._n 12._o de_fw-mi re_fw-mi metal_n see_v at_o moran_n live_v creature_n tree_n and_o ship_n and_o many_o other_o famous_a and_o admirable_a work_n master_n howel_n pag._n 39_o see_v a_o complete_a galley_n with_o all_o her_o mast_n sail_n cable_n tackle_n prore_n poop_n forecastle_n anchor_n with_o her_o long_a boat_n all_o make_v out_o in_o crystal_n glass_n as_o also_o a_o man_n in_o armour_n worm_n have_v in_o musaeo_n little_a statue_n of_o glass_n both_o of_o man_n and_o other_o thing_n the_o most_o beautiful_a church_n of_o saint_n mark_v at_o venice_n adorn_v within_o with_o mosaic_a work_n represent_v several_a holy_a history_n with_o fit_a colour_n and_o cover_v in_o some_o place_n with_o gold_n chap._n 48._o port_n l._n 6._o c._n 5._o make_v this_o amethyst_n colour_n with_o a_o drachm_n of_o manganese_n to_o each_o pound_n of_o metal_n chap._n 49._o porta_n for_o the_o sapphire_n add_v two_o drachm_n of_o zaphar_n to_o a_o pound_n of_o metal_n and_o the_o long_o say_v he_o they_o continue_v in_o the_o fire_n the_o bright_a the_o colour_n will_v be_v you_o must_v continual_o mix_v they_o chap._n 58._o deep_a reed_n in_o the_o original_n rosso_fw-it in_fw-it corpo_fw-it whereof_o thus_o imper._n l._n 4._o c._n 1._o haver_n corpo_fw-it diconâ—_n quelli_fw-la colori_fw-la che_fw-it coprono_fw-it e_fw-it sono_fw-la senzâ—_fw-it transparenza_fw-it non_fw-la havere_fw-la corpo_fw-it dicono_fw-la quelli_fw-la c_o '_o hanno_fw-mi trasparenza_fw-it the_o painter_n say_v those_o colour_n have_v body_n which_o be_v close_o and_o without_o transparency_n and_o those_o not_o to_o have_v body_n which_o have_v transparency_n chap._n 61._o glass_n of_o lead_n it_o be_v a_o thing_n unpractised_a by_o our_o furnace_n and_o the_o reason_n be_v because_o of_o the_o exceed_a brittleness_n thereof_o the_o whole_a art_n of_o calcine_v lead_v to_o glase_v their_o ware_n withal_o be_v the_o principal_a thing_n wherewith_o that_o glaze_a be_v make_v be_v sufficient_o know_v and_o practise_v daily_o by_o the_o potter_n and_o can_v this_o glass_n be_v make_v as_o tough_a as_o that_o of_o crystalline_a it_o will_v far_o surpass_v it_o in_o the_o glory_n and_o beauty_n of_o its_o colour_n of_o which_o no_o man_n can_v be_v ignorant_a that_o have_v have_v any_o experience_n of_o this_o metal_n that_o experiment_n of_o kircher_n easy_o to_o be_v try_v &_o with_o inconsiderable_a charge_n will_v evince_v this_o thus_o he_o l._n 1._o de_fw-fr luce_fw-fr &_o umbr_n par_fw-fr 3._o c._n 5._o if_o you_o heat_v with_o live_a coat_n quicksilver_n congeal_v with_o the_o vapour_n of_o lead_n in_o a_o brass-spoon_n there_o will_v soon_o appear_v to_o you_o in_o the_o melt_a stuff_n so_o great_a variety_n of_o colour_n that_o no_o great_a can_v be_v conceive_v in_o the_o world_n insomuch_o that_o none_o of_o those_o which_o be_v call_v apparent_a colour_n may_v be_v compare_v with_o they_o i_o remember_v that_o try_v the_o reduction_n of_o lead_n from_o ceruse_n by_o set_v it_o over_o the_o fire_n have_v by_o put_v a_o iron_n sharp_a point_v into_o it_o a_o considerable_a quantity_n of_o a_o most_o brittle_a matter_n not_o transparent_a but_o adorn_v with_o most_o beautiful_a colour_n of_o blue_n green_a and_o yellow_a though_o the_o late_a overrule_v both_o the_o former_a and_o some_o grain_n of_o lead_n i_o also_o cast_v some_o brimstone_n into_o melt_a lead_n which_o become_v of_o the_o fair_a sky_n colour_n that_o ever_o i_o see_v with_o the_o intermixture_n of_o other_o colour_n with_o the_o blue_n and_o those_o colour_n not_o fade_v but_o now_o continue_v for_o these_o 12_o year_n past_a libav_n de_fw-fr transmut_n meet_v l._n 7._o c._n 20._o say_v that_o the_o melter_n and_o tryer_n of_o metal_n daily_a change_n lead_v into_o glass_n and_o that_o this_o glass_n be_v black_a red_a yellow_a or_o otherwise_o colour_v as_o the_o calcine_v lead_n be_v handle_v or_o as_o lead_n be_v calcine_v into_o lytharge_n ceruse_n or_o minium_n quercet_a in_o hermit_n med_a defence_n cap._n 9_o affirm_v he_o see_v with_o his_o own_o eye_n a_o ring_n make_v of_o glass_n of_o lead_n which_o infuse_v in_o wine_n a_o night_n be_v a_o perpetual_a purgative_n the_o like_a variety_n may_v be_v observe_v from_o bismutum_n or_o tin_n glass_n as_o libar_n syntag._n arcan_a l._n 6._o c._n 4._o lead_v return_v into_o its_o body_n break_v out_o the_o bottom_n of_o the_o pot_n lead_v can_v hardly_o be_v so_o well_o calcine_v but_o some_o particle_n thereof_o will_v remain_v uncalcind_a which_o the_o heat_n of_o the_o furnace_n reduce_v to_o lead_v again_o the_o same_o be_v say_v of_o ceruse_n before_o and_o the_o like_v you_o shall_v find_v in_o minium_n the_o high_a calcination_n use_v thereof_o now_o the_o cause_n why_o it_o break_v out_o the_o bottom_n of_o the_o pot_n seem_v to_o be_v that_o receive_v there_o a_o new_a calcination_n and_o close_v with_o its_o unctuosity_n and_o body_n the_o pore_n of_o the_o pot_n it_o hinder_v the_o passage_n of_o the_o fire_n into_o the_o metal_n which_o impede_v convert_v all_o its_o force_n upon_o the_o clay_n whereof_o the_o pot_n be_v make_v and_o by_o far_o calcine_v it_o must_v necessry_o make_v hole_n in_o they_o now_o that_o lead_n do_v sink_v into_o and_o not_o as_o other_o metal_n continue_v melt_v on_o the_o surface_n of_o the_o pot_n it_o be_v manifest_a by_o the_o refiner_n test_n and_o goldsmith_n cople_n which_o show_v by_o their_o colour_n and_o weight_n what_o body_n they_o have_v receive_v into_o they_o and_o by_o their_o remelting_a and_o reduction_n of_o the_o lead_n it_o be_v true_a the_o test_n do_v imbibe_n some_o silver_n and_o therefore_o they_o re-melt_a they_o in_o the_o great_a heat_n of_o the_o almond_n furnace_n and_o no_o doubt_n the_o same_o happen_v to_o the_o cople_n though_o the_o essay_n master_n of_o the_o tower_n strong_o assert_v the_o contrary_a against_o the_o importer_n of_o bullion_n but_o the_o essay_n master_n at_o gold-smiths-hall_n do_v gain_v silver_n from_o these_o