pound_n of_o common_a sulphur_n the_o whole_a reduce_v to_o powder_n and_o well_o mix_v with_o this_o powder_n cement_v your_o crystal_n and_o diamond_n of_o alencon_n well_o cut_v in_o a_o crucible_n cover_v and_o lute_v well_o be_v dry_a set_v it_o in_o a_o glass-house_n furnace_n three_o day_n in_o a_o place_n where_o the_o matter_n may_v be_v continual_o red_a hot_a without_o fusion_n if_o you_o have_v not_o a_o furnace_n ready_a at_o hand_n for_o that_o purpose_n and_o take_v care_v not_o to_o take_v out_o the_o crucible_n all_o at_o once_o but_o let_v it_o cool_v gentle_o otherwise_o the_o stone_n may_v break_v have_v break_v the_o crucible_n you_o will_v find_v your_o stone_n very_o fine_a and_o shine_v and_o which_o will_v resemble_v diamond_n of_o the_o old_a rock_n which_o repolish_a at_o the_o wheel_n to_o give_v it_o colour_n then_o work_v it_o and_o they_o can_v scarce_o be_v distinguish_v from_o fine_a one_o chap._n cxliv_o the_o way_n to_o turn_v white_a sapphire_n into_o true_a diamond_n the_o white_a sapphire_n be_v fine_a and_o fix_v be_v only_o imperfect_a by_o reason_n of_o its_o want_a colour_n and_o hardness_n which_o may_v be_v remedy_v by_o mean_n of_o art_n and_o be_v make_v to_o surpass_v nature_n because_o she_o onâ—y_o will_v have_v make_v it_o a_o perfect_a sapphire_n but_o art_n can_v â—urn_v it_o into_o a_o true_a diamond_n only_o fire_n can_v cause_v this_o effect_n in_o change_v its_o natural_a colour_n and_o give_v it_o that_o of_o a_o diamond_n thus_o take_v very_o fine_a sand_n wash_v it_o in_o several_a water_n â—o_o clean_o it_o till_o the_o water_n become_v clear_a and_o then_o dry_v it_o of_o this_o sand_n fill_v a_o crucible_n half_n full_a then_o â—ut_v in_o your_o sapphire_n and_o fill_v it_o up_o with_o the_o same_o sand._n then_o cover_v your_o crucible_n with_o a_o cover_n of_o the_o same_o earth_n or_o with_o another_o crucible_n lute_n the_o whole_a with_o a_o good_a lute_n as_o we_o have_v heretofore_o show_v lay_v it_o on_o a_o inch_n thick_a and_o let_v it_o dry_v in_o the_o shade_n be_v dry_a set_v it_o in_o a_o glass-house_n furnace_n approach_v it_o near_o the_o fire_n by_o degree_n and_o leave_v it_o twelve_o hour_n in_o the_o same_o degree_n of_o heat_n then_o withdraw_v it_o little_a by_o little_a for_o the_o space_n of_o six_o hour_n and_o let_v it_o cool_v gentle_o the_o crucible_n be_v cold_a break_v it_o and_o you_o will_v find_v your_o sapphire_n within_o which_o will_v have_v all_o the_o quality_n of_o a_o fine_a diamond_n that_o be_v its_o shine_a and_o hardness_n repolish_a it_o at_o the_o wheel_n and_o work_v it_o chap._n cxlv_o another_o way_n of_o turn_v the_o white_a sapphire_n into_o a_o true_a diamond_n here_o follow_v another_o noble_a method_n of_o convert_v the_o sapphire_n into_o a_o diamond_n which_o will_v be_v easy_a to_o those_o who_o have_v not_o the_o opportunity_n of_o a_o glass-house_n furnace_n for_o it_o may_v be_v do_v with_o a_o wind_n furnace_n in_o twelve_o hour_n time_n the_o material_n we_o be_v go_v to_o show_v which_o be_v use_v in_o this_o operation_n will_v at_o first_o seem_v very_o expensive_a but_o if_o you_o consider_v it_o diminish_v not_o but_o you_o find_v it_o all_o again_o you_o will_v easy_o see_v that_o the_o only_a expense_n be_v in_o the_o fire_n you_o must_v therefore_o begin_v by_o well_o wrap_v your_o white_a sapphire_n in_o a_o thin_a iron_n plate_n that_o it_o may_v be_v easy_o manage_v then_o take_v fine_a gold_n purify_v by_o antimony_n to_o the_o high_a put_v it_o in_o a_o crucible_n in_o a_o wind-furnace_n melt_v it_o and_o when_o it_o have_v a_o good_a fine_a gloss_n put_v the_o sapphire_n cover_v with_o the_o iron-plate_n into_o the_o bath_n so_o that_o it_o may_v float_v on_o the_o gold_n on_o every_o side_n then_o give_v it_o a_o strong_a fire_n for_o twelve_o hour_n so_o that_o the_o gold_n may_v be_v all_o the_o while_n in_o fusion_n take_v out_o your_o sapphire_n with_o a_o little_a pair_n of_o tongue_n shake_v out_o the_o gold_n that_o may_v chance_v to_o stick_v in_o the_o leaf-iron_n then_o let_v it_o cool_v by_o the_o fire_n gentle_o for_o fear_v it_o shall_v break_v be_v cold_a take_v away_o the_o plate_n or_o leaf_n of_o iron_n and_o you_o will_v have_v your_o sapphire_n of_o a_o admirable_a beauty_n it_o have_v acquire_v by_o that_o coction_n all_o the_o quality_n and_o perfection_n of_o the_o natural_a diamond_n polish_v it_o at_o the_o wheel_n and_o work_v it_o chap._n cxlvi_o another_o way_n to_o turn_v the_o white_a sapphire_n into_o a_o true_a diamond_n this_o way_n will_v be_v find_v by_o several_a to_o be_v more_o easy_a and_o better_a because_o it_o do_v not_o oblige_v to_o such_o a_o expense_n in_o gold_n so_o that_o people_n can_v purchase_v it_o this_o be_v the_o reason_n we_o show_v it_o here_o though_o other_o have_v speak_v of_o it_o and_o among_o the_o rest_n joh._n bapt._n de_fw-fr porta_n who_o have_v write_v of_o this_o art_n take_v file_n of_o iron_n or_o steel_n put_v they_o in_o a_o crucible_n then_o put_v in_o your_o white_a sapphire_n so_o that_o it_o may_v be_v whole_o cover_v with_o the_o file_n set_v the_o crucible_n in_o the_o furnace_n and_o give_v it_o a_o good_a fire_n that_o the_o file_n may_v be_v red_a hot_a without_o melt_v after_o it_o have_v be_v some_o time_n in_o this_o fire_n take_v it_o out_o with_o a_o little_a pair_n of_o iron-tongue_n to_o see_v if_o it_o be_v of_o the_o colour_n of_o diamond_n if_o not_o put_v it_o into_o the_o file_n again_o and_o reiterate_v this_o till_o it_o be_v perfect_a you_o may_v do_v the_o same_o thing_n with_o that_o fill_n of_o steel_n and_o a_o equal_a part_n of_o white_a enamel_n in_o powder_n have_v well_o mix_v they_o together_o put_v they_o in_o a_o crucible_n and_o put_v your_o sapphire_n in_o the_o middle_n of_o they_o after_o have_v first_o past_v they_o with_o your_o powder_n of_o enamel_n wet_v with_o hospital_n and_o well_o dry_v it_o at_o the_o fire_n when_o your_o matter_n be_v red_a and_o it_o have_v remain_v some_o time_n in_o that_o condition_n take_v out_o the_o sapphire_n with_o your_o tongue_n to_o see_v if_o it_o have_v take_v the_o colour_n of_o the_o diamond_n if_o it_o have_v not_o put_v it_o in_o again_o as_o before_o and_o continue_v to_o do_v this_o till_o it_o be_v perfect_a then_o polish_v it_o and_o work_v it_o this_o be_v all_o we_o design_v to_o say_v concern_v the_o make_n and_o perfection_n of_o gem_n though_o there_o be_v other_o way_n of_o do_v they_o and_o several_a other_o curious_a thing_n may_v be_v say_v on_o this_o subject_a but_o that_o will_v require_v a_o large_a volume_n which_o perhaps_o we_o may_v do_v in_o the_o next_o edition_n if_o we_o find_v the_o curious_a take_v any_o satisfaction_n in_o this_o the_o end_n of_o the_o five_o book_n of_o the_o art_n of_o glass_n book_n vi._n chap._n cxlvii_o wherein_o proper_a rule_n and_o matter_n for_o all_o sort_n of_o enamel_n be_v prescribe_v with_o direction_n for_o qualify_a the_o fire_n in_o order_n to_o succeed_v well_o how_o to_o make_v goldsmith_n enamel_n of_o several_a colour_n for_o gold_n a_o neat_a preparation_n of_o the_o magnese_n a_o spirit_n of_o saturn_n a_o fix_a sulphur_n and_o a_o mild_a vitriol_n of_o venus_n of_o most_o sovereign_a virtue_n and_o use_n this_o most_o agreeable_a way_n of_o enrich_a gold_n by_o enamel_n which_o proceed_v from_o the_o beauful_a variety_n of_o colour_n which_o may_v be_v apply_v be_v a_o art_n no_o less_o painful_a than_o necessary_a for_o ornament_n we_o proceed_v to_o lay_v down_o such_o method_n in_o this_o book_n as_o shall_v equal_o answer_v the_o benefit_n of_o the_o public_a and_o satisfaction_n of_o the_o more_o curious_a for_o shall_v we_o omit_v this_o our_o intention_n the_o work_n will_v be_v deficient_a and_o this_o art_n of_o glass_n deprive_v of_o one_o of_o its_o most_o excellent_a and_o principal_a beauty_n therefore_o we_o propose_v in_o the_o first_o place_n to_o give_v direction_n for_o the_o choice_n of_o matter_n to_o be_v use_v and_o thence_o show_v the_o preparation_n for_o all_o sort_n and_o how_o to_o make_v and_o suit_v the_o colour_n most_o convenient_a on_o enamel_n the_o method_n not_o only_o use_v by_o the_o goldsmith_n but_o by_o such_o as_o form_v portraiture_n with_o it_o of_o all_o sort_n as_o man_n beast_n fowl_n and_o other_o curiosity_n very_o natural_o by_o a_o just_a disposure_n of_o the_o colour_n be_v most_o admirable_a to_o effect_v which_o no_o more_o be_v require_v than_o a_o light_a taper_n and_o a_o hollow_a pipe_n of_o metal_n for_o that_o purpose_n to_o blow_v the_o blaze_n to_o the_o matter_n and_o make_v it_o malleable_a and_o soft_a and_o thence_o the_o several_a
lute_v as_o direct_v in_o chap._n 52._o the_o lute_n be_v dry_a set_v the_o retort_n in_o a_o sand-furnace_n fit_v to_o it_o a_o very_a large_a receiver_n as_o direct_v for_o aqua_fw-la fortis_fw-la in_o that_o chapter_n this_o do_v kindle_v the_o fire_n and_o continue_v it_o genâ—e_v for_o four_o hour_n to_o prevent_v a_o too_o excessive_a heat_n â—hich_v will_v drive_v out_o the_o spirit_n impetuous_o and_o 〈◊〉_d burst_v the_o receiver_n whereof_o great_a care_n must_v be_v â—â—ken_v not_o to_o spoil_v all_o as_o soon_o as_o the_o spirit_n ascend_v like_o â—hite_a cloud_n improve_v your_o fire_n by_o degree_n until_o â—ey_n disperse_v and_o your_o receiver_n clear_v again_o and_o â—ols_n and_o all_o the_o spirit_n come_v together_o then_o let_v â—e_a fire_n go_v out_o of_o itself_o and_o after_o twenty_o four_o â—ours_n unlute_v the_o joint_n take_v away_o your_o receiver_n â—d_a put_v the_o liquor_n it_o contain_v into_o glass-bottle_n stop_v â—ry_o close_o with_o glass_n stopple_v to_o prevent_v air_n which_o â—hey_n can_v draw_v will_v disperse_v it_o all_o by_o exhalaâ—n_n this_o choice_a liquor_n have_v that_o noble_a blue_n which_o â—ords_v we_o wonderful_a tincture_n and_o other_o inestimate_n operation_n as_o well_o as_o such_o surprise_v effect_n in_o â—ysick_n as_o can_v be_v equal_v the_o strength_n of_o this_o rich_a liquor_n may_v be_v know_v 〈◊〉_d its_o very_a penetrate_a acid_n smell_v and_o if_o we_o be_v 〈◊〉_d afraid_a to_o profane_v so_o sublime_a a_o mystery_n which_o â—rsons_n much_o more_o sage_a and_o considerate_a than_o we_o â—e_v keep_v so_o secret_a we_o will_v enlarge_v more_o on_o its_o excellent_a quality_n and_o disperse_v those_o obscurity_n â—â—_o we_o shall_v look_v upon_o ourselves_o unworthy_a of_o the_o aht_n we_o have_v be_v able_a to_o acquire_v in_o this_o most_o important_a matter_n if_o we_o abandon_v those_o treasure_n to_o 〈◊〉_d ravage_v of_o the_o whole_a earth_n which_o ought_v only_o to_o 〈◊〉_d possess_v by_o the_o sacred_a wise_a and_o studious_a memâ—â—s_n of_o the_o hermetick_n science_n and_o philosophy_n but_o to_o return_v to_o our_o caput_fw-la mortuum_n of_o this_o preci_fw-la vitriol_n which_o have_v occasion_v we_o to_o give_v its_o preâ—ation_n and_o be_v what_o we_o make_v use_v of_o for_o this_o fine_a â—ter-colour_n or_o egmarine_a on_o glass_n you_o will_v find_v it_o â—he_v retort_n out_o of_o which_o the_o white_a spirit_n be_v diâ—ed_v whereof_o we_o have_v discourse_v already_o to_o get_v â—ou_fw-mi must_v break_v the_o retort_n then_o reduce_v it_o to_o powâ—_n with_o a_o mixture_n of_o zaffer_n as_o direct_v in_o chap._n 45._o and_o so_o thing_fw-mi your_o crystal_n of_o a_o admirable_a sea-green-colour_n we_o be_v mistake_v in_o chap._n 45._o in_o say_v that_o the_o caput_fw-la mortuum_n must_v be_v expose_v to_o the_o air_n before_o you_o do_v pound_n it_o with_o the_o zaffer_n for_o that_o be_v not_o altogether_o incumbent_a in_o ting_v of_o glass_n though_o this_o expose_v of_o it_o can_v but_o add_v something_o to_o the_o lustre_n for_o it_o draw_v thereby_o with_o a_o certain_a magnetic_a property_n the_o occult_a spirit_n of_o the_o air_n and_o so_o from_o a_o black_a of_o which_o it_o be_v before_o become_v of_o a_o pale_a blue-colour_n and_o partly_o assume_v what_o it_o lose_v by_o distillation_n and_o extraction_n of_o the_o spirit_n so_o you_o may_v save_v a_o great_a deal_n of_o time_n and_o pain_n by_o this_o preparation_n to_o your_o no_o small_a advantage_n in_o expedit_v the_o matter_n such_o as_o shall_v comprehend_v the_o virtue_n of_o those_o thing_n we_o have_v show_v in_o the_o four_o last_o capter_n aught_o to_o be_v secret_a for_o many_o will_v read_v these_o thing_n and_o not_o apprehend_v or_o only_o laugh_v at_o they_o whether_o it_o be_v that_o the_o divine_a power_n for_o reason_n best_o know_v to_o himself_o will_v not_o let_v they_o discern_v or_o that_o they_o confide_v in_o a_o false_a presumption_n on_o their_o own_o knowledge_n as_o beyond_o all_o other_o man_n god_n have_v nevertheless_o not_o confine_v to_o one_o only_a wit_n the_o whole_a knowledge_n or_o all_o the_o sublime_a excellency_n of_o nature_n but_o on_o the_o contrary_a to_o declare_v his_o great_a and_o unbounded_a charity_n permit_v it_o to_o be_v communicate_v to_o many_o for_o his_o great_a manifestation_n and_o glory_n yet_o he_o reserve_v those_o more_o important_a secret_n to_o be_v reveal_v to_o his_o faithful_a servant_n that_o such_o as_o will_v be_v acquaint_v with_o the_o same_o mystery_n may_v apply_v to_o this_o father_n of_o light_n who_o alone_o can_v inspire_v they_o with_o sufficiency_n enough_o for_o penetrate_v into_o these_o which_o they_o can_v never_o do_v without_o his_o assistance_n now_o the_o true_a method_n thereof_o be_v obvious_a to_o all_o the_o world_n a_o holy_a and_o regular_a life_n open_v the_o passage_n and_o continual_a study_n and_o application_n guide_v we_o through_o but_o we_o must_v add_v to_o these_o a_o upright_a intention_n of_o make_v good_a use_n hereof_o that_o we_o may_v not_o wander_v a_o love_n for_o our_o neighbour_n conformable_a to_o the_o will_n of_o god_n to_o bring_v we_o to_o a_o safe_a port_n a_o extend_a charity_n to_o the_o poor_a to_o lay_v open_a for_o we_o the_o gate_n of_o heaven_n and_o in_o a_o word_n a_o unlimited_a and_o immense_a love_n for_o this_o omnipotent_a creator_n eternal_a and_o incomprehensible_a to_o hand_n we_o to_o his_o very_a throne_n this_o be_v the_o prevail_a attractive_a which_o all_o the_o judicious_a philosopher_n make_v use_v of_o to_o draw_v down_o this_o divine_a intelligence_n and_o which_o i_o most_o hearty_o wish_v to_o all_o that_o will_v imitate_v they_o the_o end_n of_o the_o six_o book_n of_o the_o art_n of_o glass_n book_n vii_o contain_v the_o way_n to_o enamel_n in_o all_o sort_n of_o colour_n on_o gold_n and_o other_o metal_n the_o order_n of_o the_o fire_n and_o furnace_n the_o preparation_n of_o colour_n for_o pourtray_v with_o enamel_n and_o how_o to_o do_v it_o chap._n clxxx_o though_o this_o undertake_n depend_v not_o altogether_o on_o our_o art_n of_o glass_n be_v no_o more_o than_o a_o application_n of_o matter_n deliver_v in_o the_o six_o book_n however_o we_o resolve_v to_o lay_v down_o this_o manner_n of_o enamel_v and_o pourtray_v on_o metal_n to_o bring_v this_o our_o work_n to_o a_o high_a perfection_n the_o ancient_a work_n of_o enamel_n on_o metal_n be_v only_o of_o black_a and_o white_a with_o some_o few_o tinge_n of_o carnation_n or_o flesh-colour_n as_o may_v be_v see_v in_o the_o limoge_n enamel_n in_o francis_n the_o first_o be_v time_n it_o become_v more_o improve_v and_o they_o make_v use_v of_o light_n and_o shadow_n but_o the_o enamel_n on_o gold_n be_v of_o no_o better_a stuff_n than_o that_o on_o copper_n and_o all_o the_o work_n of_o it_o on_o gold_n silver_n and_o copper_n be_v of_o transparent_a matter_n such_o as_o wrought_v it_o on_o thick_a couch_v each_o colour_n by_o itself_o as_o be_v do_v now_o a_o day_n in_o enamel_v some_o particular_a piece_n of_o relief_n and_o not_o otherwise_o since_o than_o they_o have_v find_v out_o the_o way_n of_o enamel_v with_o opaque_fw-la and_o thick_a stuff_n and_o the_o art_n of_o compound_v the_o colour_n be_v much_o more_o improve_a and_o handsome_a than_o that_o of_o the_o ancient_n as_o be_v visible_a in_o all_o our_o modern_a work_n but_o we_o must_v without_o all_o exception_n own_o the_o fair_a work_n upon_o gold_n represent_v portraiture_n and_o entire_a history_n so_o neat_o and_o to_o the_o life_n and_o covet_v as_o much_o as_o picture_n do_v in_o oil_n over_o which_o it_o have_v the_o advantage_n of_o natural_a lustre_n and_o varnish_n which_o be_v never_o tarnish_v to_o be_v the_o invention_n of_o this_o latter_a age_n and_o the_o improvement_n we_o owe_v to_o the_o study_n of_o the_o french_a therein_o all_o sort_n of_o enamel_n be_v not_o to_o be_v promiscuous_o employ_v on_o all_o sort_n of_o metal_n gold_n which_o perfect_o bear_v with_o as_o well_o all_o the_o opaque_fw-la as_o transparent_a can_v agree_v with_o clear_a purple_n its_o yellow_a mighty_o change_v the_o colour_n thereof_o and_o produce_v but_o a_o very_a ill_a fancy_n on_o the_o other_o side_n this_o purple_a be_v very_o fine_a on_o silver_n so_o the_o egmarine_n the_o azure_a and_o green_a all_o other_o colour_n as_o well_o clear_a as_o opaque_v disagree_v therewith_o and_o copper_n suit_v with_o every_o thick_a enamel_n but_o can_v endure_v the_o limpid_a unless_o prepare_v for_o it_o beforehand_o as_o shall_v be_v direct_v in_o due_a place_n observe_v that_o good_a enamel_n must_v be_v hard_a and_o last_a such_o as_o be_v soft_a be_v full_a of_o lead_n and_o subject_a to_o change_v colour_n easy_o become_v sully_v and_o foul_a of_o the_o clear_a enamel_n some_o be_v hard_a some_o soft_a the_o hard_a
in_o paint_v glass_n for_o before_o we_o proceed_v to_o prescribe_v the_o rule_n how_o to_o work_v the_o material_n must_v first_o be_v consider_v the_o white_a be_v compound_v of_o several_a ingredient_n the_o first_o be_v small_a white_a river_n pebble-stone_n heat_v red_a over_o a_o fire_n in_o a_o iron-ladle_n and_o throw_v afterward_o into_o a_o earthen-dish_n full_a of_o cold_a water_n to_o calcine_v they_o and_o this_o must_v be_v repeat_v several_a time_n until_o they_o be_v prepare_v afterward_o be_v dry_v pound_n they_o with_o a_o stone_n or_o glass-pestle_n in_o a_o stone-morter_n and_o so_o grind_v they_o upon_o a_o marble_n to_o a_o impalpable_a powder_n then_o mix_v a_o four_o part_n of_o nitre_n with_o it_o and_o calcine_v they_o in_o a_o crucible_n then_o pound_n and_o grind_v they_o again_o and_o calcine_v they_o a_o three_o time_n over_o a_o small_a fire_n than_o your_o former_a and_o so_o take_v they_o off_o for_o use._n this_o do_v when_o you_o will_v paint_n with_o it_o add_v equal_a part_n in_o weight_n of_o gip_n a_o sort_n of_o talc_n find_v among_o plaster-mold_n bake_v on_o the_o coal_n to_o a_o whiteness_n and_o reducible_a to_o powder_n and_o rocaille_n whereof_o we_o have_v already_o speak_v grind_v they_o all_o three_o very_o well_o together_o in_o a_o hollow_a plate_n of_o copper_n with_o gum-arabic_n water_n thus_o have_v you_o your_o white_a in_o good_a condition_n to_o paint_n withal_o chap._n cciu_o to_o prepare_v black_a for_o paint_v on_o glass_n as_o this_o colour_n can_v be_v omit_v in_o any_o sort_n of_o paint_v so_o in_o this_o the_o manner_n of_o use_v it_o be_v much_o the_o same_o and_o the_o preparation_n easy_a you_o must_v grind_v scale_n of_o iron_n from_o the_o smith_n anvil-block_n for_o three_o hour_n on_o the_o shallow_a copper-bason_n or_o plate_n add_v to_o this_o one_o three_o of_o the_o same_o weight_n of_o rocaille_n with_o a_o little_a calx_fw-la of_o copper_n to_o hinder_v the_o iron_n from_o turn_v red_a in_o the_o fire_n grind_v it_o to_o as_o impalpable_a a_o powder_n as_o you_o can_v bring_v it_o to_o and_o so_o keep_v it_o in_o a_o close_a vessel_n for_o use_n chap._n ccv_o to_o prepare_v a_o yellow_a paint_n for_o glass_n this_o colour_n require_v a_o more_o costly_a preparation_n than_o the_o precedent_n because_o it_o can_v be_v well_o do_v without_o a_o ten_o part_n of_o prepare_a silver_n as_o we_o shall_v show_v hereafter_o take_v fine_a silver_n in_o plate_n from_o the_o copple_n stratifie_v they_o in_o a_o crucible_n with_o powder_n of_o sulphur_n or_o nitre_n the_o first_o and_o last_o lay_v be_v of_o the_o powder_n and_o so_o calcine_v they_o in_o a_o furnace_n this_o do_v cast_v it_o out_o as_o soon_o as_o all_o the_o sulphur_n be_v consume_v into_o a_o earthen-bason_n of_o water_n and_o afterward_o pound_n it_o in_o your_o stone-mortar_n until_o it_o be_v fit_a for_o the_o marble_n and_o so_o grind_v it_o with_o some_o of_o its_o water_n wherein_o it_o be_v cool_v for_o six_o hour_n then_o add_v nine_o time_n its_o weight_n of_o red-oak_a and_o grind_v they_o together_o for_o a_o full_a hour_n and_o it_o be_v do_v and_o fit_a for_o paint_v on_o glass_n chap._n ccvi_o to_o make_v a_o blue_n for_o paint_v glass_n the_o whole_a secret_a of_o this_o preparation_n depend_v on_o the_o calcine_v the_o ingredient_n and_o goodness_n of_o the_o crucible_n take_v two_o ounce_n of_o zaffer_n two_o ounce_n of_o minium_n and_o eight_o ounce_n of_o very_a fine_a white_a sand_n put_v all_o these_o into_o a_o bell-metal_n mortar_n and_o pound_n they_o very_o well_o and_o so_o into_o a_o crucible_n cover_v and_o lute_v over_o a_o quick_a fire_n for_o a_o hour_n then_o draw_v off_o the_o crucible_n and_o pound_n they_o again_o as_o before_o this_o do_v add_v a_o four_o of_o its_o weight_n in_o salt-peter_n powder_v and_o have_v mix_v all_o very_a well_o together_o return_v they_o into_o a_o crucible_n cover_v and_o lute_v which_o place_n again_o in_o the_o furnace_n for_o two_o hour_n at_o least_o continue_v such_o another_o fire_n as_o the_o former_a the_o crucible_n be_v off_o and_o cool_v a_o second_o time_n grind_v the_o mass_n as_o before_o and_o so_o put_v it_o into_o a_o crucible_n again_o with_o a_o six_o part_n of_o salt-petre_a and_o let_v it_o remain_v on_o the_o fire_n for_o three_o hour_n then_o take_v off_o the_o crucible_n and_o immediate_o with_o a_o iron-spatula_a red_a hot_a take_v out_o the_o matter_n lest_o it_o shall_v stick_v be_v very_o clammy_a and_o hard_a to_o be_v empty_v it_o be_v convenient_a to_o have_v strong_a crucibles_fw-fr for_o this_o calcination_n because_o it_o remain_v so_o considerable_a a_o while_n in_o the_o fire_n and_o they_o must_v be_v lute_v with_o a_o extraordinary_a lute_n you_o may_v use_v that_o we_o have_v give_v direction_n for_o in_o chap._n 109._o add_v powder_n of_o borax_n to_o the_o powder_n of_o glass_n vitrify_v which_o help_v the_o fusion_n of_o the_o glass_n which_o we_o have_v omit_v there_o but_o the_o great_a stress_n lie_v in_o bake_v the_o crucible_n afterward_o in_o a_o small_a fire_n to_o cement_v the_o pore_n and_o make_v the_o earth_n compact_v as_o glass_n which_o will_v be_v very_o much_o further_v if_o you_o throw_v on_o it_o a_o considerable_a quantity_n of_o salt_n as_o it_o come_v out_o of_o the_o fire_n this_o will_v glaze_v it_o and_o capacitate_v it_o for_o retain_v the_o spirit_n in_o the_o fire_n chap._n ccvii_o to_o make_v red_a colour_n for_o glass_n paint_v this_o require_v as_o much_o caution_n as_o the_o blue_n you_o must_v take_v scale_n of_o iron_n and_o litharge_v of_o silver_n of_o each_o a_o dram_n feretto_n of_o spain_n half_a a_o dram_n rocaille_n three_o dram_fw-la and_o half_a grind_v all_o these_o for_o half_a a_o hour_n on_o a_o shallow_a copperplate_n in_o the_o mean_a time_n pound_n three_o dram_fw-la of_o bloodstone_n in_o a_o iron-mortar_n and_o add_v it_o to_o the_o rest_n then_o pound_n a_o dram_n of_o gum-arabic_n in_o that_o mortar_n to_o a_o impalpable_a powder_n to_o take_v off_o the_o remain_v of_o your_o bloodstone_n and_o so_o add_v it_o to_o the_o rest_n grind_v they_o still_o continual_o lest_o the_o bloodstone_n be_v spoil_v the_o best_a manner_n of_o grind_v these_o be_v to_o pour_v water_n by_o little_a and_o little_a on_o the_o ingredient_n as_o you_o grind_v they_o neither_o wet_n they_o too_o much_o nor_o too_o little_a but_o just_a as_o much_o as_o will_v keep_v a_o good_a temper_n as_o for_o paint_v afterward_o put_v all_o into_o a_o foot_n glass_n and_o so_o drop_v on_o it_o through_o a_o small_a hollow_a cane_n of_o wood_n or_o with_o your_o finger_n as_o much_o water_n as_o will_v bring_v it_o to_o the_o consistence_n of_o a_o eggs-yolk_n butter_v or_o a_o little_a more_o then_o cover_v the_o glass_n to_o preserve_v it_o from_o dust_n and_o so_o let_v it_o stand_v three_o day_n to_o settle_v after_o this_o decant_v the_o clear_a and_o pure_a of_o the_o colour_n that_o rise_v at_o top_n into_o another_o glass_n without_o disturb_v the_o sediment_n and_o two_o day_n after_o it_o have_v settle_v anew_o pour_v off_o again_o the_o pure_a of_o the_o colour_n as_o before_o this_o do_v set_v it_o in_o the_o body_n of_o a_o break_a matrass_n or_o bolt-head_n over_o a_o gentle_a flow_n fire_n to_o dry_v easy_o and_o so_o keep_v it_o for_o use_n when_o you_o have_v occasion_n for_o it_o take_v a_o little_a fair_a water_n in_o a_o glass_n and_o with_o it_o moisten_v as_o much_o colour_n as_o you_o think_v convenient_a that_o will_v be_v excellent_a for_o carnation_n as_o for_o the_o faeces_fw-la which_o be_v very_o thick_a dry_v they_o too_o and_o you_o may_v moisten_v these_o in_o like_a manner_n with_o water_n for_o drapery_n timber-colour_n and_o such_o other_o as_o you_o think_v convenient_a chap._n ccviii_o to_o make_v a_o purple-colour_n for_o paint_v of_o glass_n the_o preparation_n of_o this_o purple-colour_n be_v exact_o like_o that_o of_o the_o blue_n for_o this_o reason_n we_o need_v not_o use_v any_o tedious_a repetition_n you_o must_v take_v a_o ounce_n of_o zaffer_n and_o a_o ounce_n of_o very_a pure_a and_o clean_a perigeux_n two_o ounce_n of_o minium_n eight_o ounce_n of_o very_a fine_a white_a sand_n pound_n all_o these_o in_o a_o bell-metal_n mortar_n and_o reduce_v it_o to_o a_o impalpable_a powder_n put_v it_o afterward_o into_o a_o good_a crucible_n well_o cover_v and_o lute_v in_o the_o furnace_n keep_v a_o very_a good_a fire_n to_o it_o for_o a_o hour_n then_o draw_v it_o out_o and_o as_o soon_o as_o it_o be_v cold_a pound_n the_o mass_n over_o again_o in_o the_o same_o mortar_n to_o this_o add_v a_o four_o part_n of_o its_o weight_n of_o nitre_n mix_v they_o together_o and_o put_v they_o into_o
nature_n be_v compose_v and_o nourish_v be_v itself_o not_o free_a from_o impurity_n for_o in_o make_v its_o circulation_n from_o heaven_n to_o earth_n and_o from_o thence_o again_o to_o heaven_n where_o it_o be_v impregnate_v with_o all_o the_o virtue_n of_o the_o constellation_n and_o planet_n it_o return_v again_o and_o descend_v even_o to_o the_o centre_n of_o the_o earth_n there_o to_o be_v impregnate_v with_o a_o body_n and_o salt_n and_o acquire_v the_o utmost_a elementary_a perfection_n whence_o the_o central_n fire_n force_v it_o to_o repass_v to_o the_o surface_n and_o thence_o into_o the_o globe_n of_o water_n and_o air_n after_o have_v produce_v in_o its_o passage_n in_o all_o the_o element_n anâ—_n infinite_a number_n of_o mixture_n it_o ascend_v again_o into_o the_o heaven_n whence_o it_o penetrate_v and_o animate_v the_o whole_a universe_n it_o be_v by_o all_o these_o circulation_n thaâ—_n this_o seed_n or_o soul_n of_o the_o world_n become_v invest_v with_o impurity_n whereof_o the_o general_a or_o universal_a spirit_n be_v taint_v so_o that_o the_o pure_a and_o impure_a ascend_v and_o descend_v together_o in_o confusion_n insomuch_o that_o only_o the_o industry_n of_o man_n can_v separate_v they_o by_o eject_v the_o unprofitable_a excrementitious_a part_n and_o separate_v and_o purify_n its_o principle_n and_o then_o reunite_a they_o to_o make_v a_o compound_v of_o a_o great_a virtue_n so_o that_o of_o that_o compound_v you_o may_v make_v a_o species_n capable_a of_o produce_v its_o gold_n like_a for_o the_o nature_n of_o one_o mix_v or_o compound_v can_v produce_v or_o be_v change_v into_o a_o mix_v of_o a_o different_a nature_n we_o must_v always_o sow_v wheat_n to_o have_v a_o crop_n of_o wheat_n hence_o it_o be_v that_o so_o many_o great_a philosopher_n have_v tell_v we_o that_o man_n by_o the_o mean_n of_o art_n may_v begin_v where_o nature_n leave_v off_o by_o purify_n its_o matter_n and_o reduce_v they_o to_o their_o first_o principle_n and_o thence_o raise_v they_o to_o the_o utmost_a degree_n of_o perfection_n whether_o the_o end_v be_v to_o prolong_v man_n life_n or_o cure_v his_o great_a and_o most_o inveterate_a disease_n as_o also_o of_o other_o animal_n or_o for_o metal_n mineral_n precious_a stone_n plant_n and_o other_o vegetable_n now_o such_o separation_n and_o purification_n of_o substance_n be_v not_o impossible_a as_o long_o as_o you_o destroy_v not_o entire_o the_o subject_n but_o it_o must_v be_v perform_v by_o something_o that_o specifical_o agree_v with_o their_o own_o respective_a nature_n then_o by_o it_o you_o may_v make_v a_o perfect_a reduction_n of_o their_o substance_n wherewith_o by_o mean_n of_o art_n man_n may_v perform_v all_o those_o thing_n i_o have_v now_o mention_v as_o to_o cure_v the_o most_o inveterate_a disease_n convert_v what_o be_v imperfect_a into_o the_o most_o perfect_a and_o it_o be_v hereby_o that_o you_o have_v display_v that_o absolute_a dominion_n which_o god_n have_v give_v he_o over_o all_o the_o creature_n it_o be_v not_o my_o present_a design_n to_o enter_v into_o the_o depth_n of_o the_o mystery_n of_o this_o sublime_a science_n which_o i_o leave_v to_o those_o true_a adepti_fw-la philosopher_n who_o be_v the_o only_a creature_n to_o who_o god_n have_v reveal_v they_o and_o whereof_o all_o other_o man_n like_o myself_o be_v unworthy_a but_o only_o to_o show_v by_o sensible_a demonstration_n that_o man_n in_o many_o thing_n be_v capable_a of_o imitate_v nature_n by_o the_o assistance_n of_o art_n and_o of_o perform_v several_a thing_n by_o his_o industry_n and_o the_o work_n of_o his_o hand_n which_o look_v more_o like_a miracle_n than_o the_o effect_n of_o art_n those_o which_o make_v the_o subject_a of_o the_o follow_a discourse_n will_v be_v no_o less_o surprise_v if_o they_o be_v less_o common_a but_o from_o the_o time_n our_o eye_n become_v accustom_a by_o constant_a use_n to_o any_o object_n the_o esteem_n of_o it_o begin_v to_o be_v lessen_v and_o fall_v witness_v nature_n herself_o who_o annual_a renovation_n though_o we_o be_v accustom_a to_o it_o aught_o to_o be_v a_o perpetual_a subject_n of_o admiration_n of_o all_o the_o work_n of_o art_n that_o of_o glass_n be_v not_o the_o least_o considerable_a whether_o it_o be_v natural_a or_o artificial_a it_o melt_v in_o the_o fire_n without_o consume_v and_o be_v therein_o perfect_v or_o make_v fine_a like_o gold_n which_o be_v a_o perfect_a metal_n and_o there_o leave_v behind_o it_o its_o dross_n become_v purify_v and_o whiten_v which_o render_v it_o more_o proper_a for_o make_v dish_n glass_n and_o other_o vessel_n for_o man_n use_n than_o any_o other_o metal_n or_o matter_n whatsoever_o nay_o i_o may_v yet_o go_v far_o and_o say_v that_o glass_n not_o only_o purify_v itself_o in_o the_o fire_n but_o also_o assist_v to_o purify_v and_o melt_v all_o other_o metal_n and_o render_v they_o more_o pliable_a and_o malleable_a and_o so_o more_o easy_a to_o work_v upon_o to_o the_o end_n they_o be_v design_v for_o in_o the_o spagyric_n art_n in_o physic_n in_o chemistry_n it_o be_v impossible_a to_o be_v without_o vessel_n of_o glass_n whether_o for_o sublimation_n distillation_n or_o putrefaction_n digestion_n circulation_n or_o other_o operation_n to_o which_o they_o be_v necessary_a for_o several_a reason_n one_o whereof_o be_v that_o all_o the_o gradual_a alteration_n of_o the_o matter_n therein_o contain_v and_o what_o be_v do_v in_o it_o on_o the_o fire_n be_v visible_a to_o the_o eye_n and_o another_o that_o those_o matter_n can_v neither_o be_v imbibe_v by_o the_o vessel_n nor_o transpire_v through_o its_o pore_n nor_o it_o communicate_v any_o ill_a scent_n or_o taste_n which_o may_v be_v noxious_a to_o the_o health_n if_o the_o matter_n be_v prepare_v for_o medicine_n moreover_o the_o philosopher_n make_v use_v of_o no_o other_o vessel_n for_o their_o curious_a operation_n whether_o it_o be_v to_o extract_v the_o philosophic_a mercury_n or_o purify_v it_o or_o for_o the_o decoction_n of_o their_o grand_a elixir_n and_o panacaea_n which_o they_o can_v perform_v without_o glass_n for_o otherwise_o they_o will_v labour_v in_o the_o dark_a and_o can_v never_o well_o regulate_v their_o operation_n beside_o the_o volatility_n of_o their_o spirit_n which_o they_o must_v preserve_v be_v of_o so_o subtle_a and_o quick_a penetration_n that_o no_o other_o vessel_n can_v hold_v they_o church_n palace_n castle_n and_o particular_a house_n owe_v their_o chief_a ornament_n as_o well_o as_o conveniency_n to_o glass_n for_o that_o transparent_a substance_n guard_v they_o within_o from_o too_o great_a heat_n and_o cold_a without_o hinder_v the_o intromission_n of_o the_o light_n looking-glass_n and_o other_o great_a plate_n of_o glass_n be_v as_o so_o many_o surprise_v object_n to_o our_o eye_n represent_v so_o distinct_o and_o natural_o all_o even_a from_o the_o least_o to_o the_o great_a action_n of_o the_o object_n before_o they_o whereby_o also_o one_o may_v always_o keep_v himself_o in_o a_o neat_a and_o agreeable_a dress_n notwithstanding_o not_o one_o in_o a_o thousand_o of_o those_o who_o have_v they_o ever_o reflect_v on_o the_o admirableness_n of_o the_o work_n which_o be_v beyond_o doubt_n one_o of_o the_o chief_a and_o most_o perfect_a piece_n of_o art_n and_o than_o which_o man_n can_v make_v nothing_o more_o wonderful_a moreover_o china-ware_n for_o adorn_v capboard_n and_o table_n dish_n divers_a sort_n of_o glass_n and_o figure_n and_o a_o thousand_o other_o curiosity_n of_o all_o sort_n of_o colour_n which_o serve_v both_o for_o pleasure_n and_o use_v and_o employ_v the_o poor_a all_o over_o the_o world_n be_v they_o not_o well_o worthy_a of_o admiration_n but_o if_o we_o consider_v the_o paint_n and_o representation_n in_o the_o glass_n of_o church_n we_o must_v at_o the_o same_o time_n admire_v that_o the_o colour_n which_o we_o extract_v from_o metal_n for_o that_o end_n can_v be_v so_o very_o lively_a as_o to_o resemble_v so_o many_o precious_a stone_n if_o any_o of_o this_o glass_n be_v cast_v into_o a_o furnace_n you_o may_v see_v what_o a_o vast_a number_n of_o colour_n it_o be_v susceptible_a of_o even_o beyond_o comparison_n 5._o glass_n be_v call_v by_o that_o name_n because_o it_o be_v a_o transparent_a metal_n while_o other_o metal_n be_v opaque_v there_o be_v only_a glass_n that_o can_v show_v what_o it_o contain_v within_o the_o name_n of_o glass_n which_o the_o french_a german_n and_o english_a have_v give_v it_o seem_v to_o be_v take_v from_o its_o resemble_v or_o approach_v somewhat_o in_o its_o colour_n to_o blueishness_n azure_a or_o sky-colour_n the_o word_n glass_n also_o seem_v to_o be_v derive_v from_o its_o resemblance_n to_o ice_n from_o glacies_fw-la while_o the_o fire_n do_v much_o the_o same_o thing_n in_o glass_n as_o the_o frost_n in_o the_o water_n thus_o all_o glass_n look_v like_o freeze_a water_n which_o
to_o it_o some_o crocus_n martis_n and_o the_o greenness_n will_v vanish_v than_o you_o will_v have_v a_o golden-colour_n very_o fine_a which_o may_v be_v wrought_v these_o be_v all_o the_o colour_n we_o can_v give_v to_o glass_n of_o lead_n alone_o we_o shall_v augment_v the_o number_n in_o a_o past_a of_o lead_n whereof_o we_o shall_v show_v the_o preparation_n in_o the_o follow_a book_n because_o it_o be_v useful_a for_o imitate_v precious_a stone_n as_o we_o shall_v show_v in_o the_o same_o book_n which_o be_v the_o reason_n we_o have_v not_o do_v it_o in_o this_o the_o end_n of_o the_o four_o book_n of_o the_o art_n of_o glass_n book_n v._n chap._n xci_o show_v the_o way_n to_o prepare_v natural_a crystal_n and_o to_o make_v a_o very_a fine_a salt_n of_o tartar_n and_o several_a sort_n of_o past_z for_o emerald_n topaz_n chrysolite_n jacinth_n granat_n sapphire_n beryl_n or_o egmarine_n carbuncle_n ruby_n and_o several_a other_o colour_n of_o so_o great_a beauty_n that_o they_o surpass_v the_o natural_a stone_n themselves_o in_o every_o thing_n but_o hardness_n without_o doubt_v it_o will_v seem_v surprise_v to_o several_a that_o art_n shall_v be_v capable_a of_o imitate_v the_o natural_a colour_n of_o precious_a stone_n in_o so_o great_a perfection_n as_o that_o the_o beauty_n of_o the_o artificial_a shall_v surpass_v that_o of_o the_o natural_a oriental_n one_o in_o every_o thing_n except_v their_o hardness_n which_o they_o have_v be_v many_o age_n in_o acquire_v and_o i_o doubt_v not_o but_o several_a ingenious_a man_n be_v this_o day_n search_v after_o mean_n to_o give_v they_o that_o too_o the_o curious_a will_v find_v in_o this_o book_n all_o that_o be_v necessary_a to_o attain_v this_o art_n nay_o and_o to_o do_v something_o more_o than_o i_o mention_v for_o since_o art_n can_v easy_o imitate_v nature_n it_o be_v not_o to_o be_v doubt_v but_o that_o ingenious_a man_n may_v some_o time_n or_o other_o arrive_v to_o give_v the_o same_o perfection_n to_o crystal_n that_o precious_a stone_n have_v acquire_v in_o the_o bowel_n of_o the_o earth_n the_o natural_a or_o rock_n crystal_n which_o we_o make_v use_v of_o as_o the_o basis_n of_o our_o artificial_a gem_n be_v the_o only_a stone_n that_o do_v not_o proceed_v from_o any_o metal_n be_v the_o first_o substratum_fw-la of_o other_o only_o make_v of_o a_o congeal_a water_n with_o a_o subtle_a earth_n as_o other_o precious_a stone_n it_o be_v virtue_n proceed_v from_o mercury_n and_o the_o spirit_n of_o raphael_n have_v also_o a_o great_a sympathy_n with_o saturn_n and_o jupiter_n whence_o it_o be_v proper_a for_o heal_v several_a disease_n all_o the_o diversity_n of_o gem_n proceed_v only_o from_o a_o sulphur_n or_o a_o unctuous_a substance_n which_o insinuate_v its_o self_n in_o their_o composition_n which_o fix_v they_o more_o or_o less_o and_o also_o tinge_v they_o this_o sulphur_n be_v a_o exhalation_n of_o metalline_a and_o mineral_n spirit_n force_v up_o by_o the_o central_n fire_n which_o virtual_o contain_v divers_a colour_n and_o which_o be_v determine_v and_o bring_v into_o act_n by_o proper_a subject_n thus_o granat_n and_o other_o precious_a stone_n agree_v with_o crystal_n as_o mercury_n do_v with_o saturn_n their_o harmony_n in_o the_o heaven_n assure_v we_o of_o these_o reason_n and_o proportion_n here_o on_o earth_n precious_a stone_n derive_v their_o origin_n from_o the_o star_n and_o the_o primum_fw-la mobile_n as_o do_v the_o metal_n both_o perfect_a and_o imperfect_a of_o the_o colour_n of_o sulphur_n and_o the_o quality_n whereof_o they_o partake_v and_o wherein_o they_o agree_v with_o the_o star_n great_a and_o wonderful_a operation_n may_v be_v perform_v with_o these_o precious_a stone_n if_o they_o be_v separate_v from_o the_o impurity_n of_o their_o terra_fw-la damnata_fw-la and_o reduce_v by_o the_o universal_a menstruum_fw-la into_o their_o first_o principle_n it_o be_v only_o by_o this_o menstruum_fw-la or_o mundane_a spirit_n that_o metal_n and_o mineral_n can_v also_o be_v so_o dissolve_v that_o be_v full_a of_o their_o attractive_a virtue_n we_o can_v bold_o assert_v that_o this_o universal_a spirit_n contain_v in_o itself_o all_o the_o secret_n of_o alchemy_n and_o that_o without_o it_o it_o be_v impossible_a to_o have_v the_o tincture_n water_n and_o salt_n of_o precious_a stone_n or_o to_o make_v use_n of_o the_o admirable_a virtue_n god_n have_v impart_v to_o they_o yet_o i_o do_v dispute_v but_o that_o there_o be_v a_o certain_a acid_n water_n extract_v from_o a_o simple_a wherein_o a_o dissolution_n of_o gem_n may_v be_v make_v and_o a_o admirable_a magisterium_fw-la and_o a_o precious_a treasure_n for_o the_o health_n be_v prepare_v secundum_fw-la artem._n that_o water_n will_v also_o extract_v the_o tincture_n of_o gold_n the_o virtue_n of_o which_o be_v not_o less_o for_o preservation_n of_o life_n and_o cure_v several_a malignant_a fever_n as_o to_o artificial_a gem_n which_o be_v the_o subject_a of_o this_o book_n all_o the_o art_n consist_v in_o right_o imitate_v the_o tincture_n of_o those_o that_o be_v fine_a which_o must_v be_v extract_v from_o subject_n that_o resist_v the_o fire_n the_o tincture_n we_o give_v they_o be_v fix_v in_o the_o crystal_n though_o volatile_a without_o alter_v their_o colour_n as_o for_o example_n verdigrease_n be_v put_v on_o the_o fire_n become_v of_o another_o colour_n but_o be_v in_o fusion_n with_o the_o crystal_n it_o fix_v and_o change_v not_o its_o colour_n for_o natural_a colour_n always_o return_v to_o their_o principle_n and_o the_o great_a quantity_n of_o fix_a always_o retain_v some_o of_o the_o volatile_a you_o must_v therefore_o for_o this_o end_n take_v permanent_a colour_n which_o change_v not_o be_v mix_v one_o with_o another_o for_o example_n blue_a and_o yellow_a make_v green_a you_o must_v therefore_o take_v a_o blue_n that_o can_v be_v alter_v by_o the_o yellow_a you_o mix_v with_o it_o and_o a_o yellow_a that_o can_v be_v alter_v by_o the_o blue_a and_o so_o of_o other_o isaac_n hollandus_n who_o have_v write_v much_o on_o the_o art_n of_o make_v gem_n show_v we_o a_o very_a fine_a way_n by_o which_o he_o have_v perform_v thing_n almost_o incredible_a we_o will_v give_v you_o some_o of_o his_o preparation_n among_o those_o we_o design_v to_o treat_v of_o and_o add_v several_a curious_a matter_n to_o whaâ—_n he_o have_v say_v of_o they_o both_z for_o past_z tincture_n and_o tâ—_n fabric_n of_o gem_n to_o encourage_v the_o lover_n of_o this_o art_n to_o set_v their_o hand_n to_o work_v at_o it_o it_o be_v true_a the_o way_n be_v troublesome_a and_o tedious_a but_o any_o one_o that_o will_v diligent_o apply_v himself_o to_o it_o will_v find_v himself_o sufficient_o reward_v for_o his_o pain_n both_o by_o the_o pleasure_n of_o see_v so_o fine_a production_n and_o the_o profit_n he_o may_v get_v by_o a_o thing_n of_o so_o small_a charge_n chap._n xcii_o the_o way_n of_o prepare_v natural_a crystal_n we_o have_v already_o give_v a_o very_a fine_a preparation_n of_o natural_a crystal_n in_o the_o second_o book_n chap._n 76_o yet_o we_o will_v give_v you_o here_o the_o principal_a one_o which_o be_v its_o calcination_n and_o which_o we_o will_v explain_v at_o large_a to_o perform_v this_o calcination_n well_o take_v natural_a crystal_n the_o fair_a you_o can_v get_v since_o that_o be_v the_o basis_n for_o artificial_a gem_n it_o be_v no_o matter_n whether_o it_o be_v in_o great_a or_o small_a piece_n fill_v with_o these_o piece_n of_o crystal_n a_o large_a crucible_n cover_v it_o with_o a_o cover_v make_v of_o the_o â—ame_n earth_n which_o must_v be_v somewhat_o broad_a than_o the_o mouth_n of_o the_o crucible_n for_o fear_v ash_n or_o coal_n tumble_v in_o which_o you_o must_v take_v particular_a care_n of_o then_o set_v your_o crucible_n in_o burn_a coal_n in_o a_o little_a furnace_n and_o when_o your_o crystal_n be_v well_o heat_v cast_v it_o into_o a_o vessel_n of_o cold_a water_n the_o more_o water_n there_o be_v so_o much_o the_o better_a will_v the_o calcination_n be_v perform_v because_o the_o cold_a of_o it_o be_v so_o much_o the_o great_a then_o take_v it_o out_o of_o the_o water_n and_o dry_v it_o in_o a_o earthen_a ladle_n than_o put_v it_o into_o the_o same_o crucible_n to_o be_v heat_v again_o take_v care_n to_o cover_v it_o well_o then_o cast_v it_o again_o â—nto_o fresh_a cold_a water_n and_o repeat_v heat_a it_o and_o quench_v it_o thus_o twelve_o time_n change_v each_o time_n the_o water_n you_o may_v know_v if_o your_o crystal_n be_v well_o calcine_v for_o it_o will_v easy_o break_v and_o crumble_v if_o there_o appear_v in_o it_o any_o black_a vein_n you_o must_v take_v care_n to_o take_v they_o all_o clean_a out_o by_o break_v they_o and_o do_v this_o till_o only_o the_o white_a remain_v behind_o than_o it_o be_v well_o prepare_v after_o
to_o incorporate_v two_o hour_n after_o add_v to_o it_o at_o thrice_o a_o ounce_n and_o half_a of_o crocus_n martis_n give_v in_o chap._n 24._o mix_v it_o well_o as_o before_o and_o let_v it_o remain_v to_o refine_v about_o three_o hour_n then_o throw_v on_o it_o six_o ounce_n of_o tartar_n calcine_v as_o in_o chap._n 57_o chimney-soot_n vitrify_v one_o ounce_n crocus_n martis_n again_o one_o ounce_n and_o half_o pulverise_v and_o all_o well_o mix_v at_o four_o several_a intermission_n and_o quantity_n stir_v the_o metal_n always_o with_o the_o iron-crook_n lest_o it_o swell_v or_o boil_v over_o after_o this_o let_v it_o repose_v and_o purify_v about_o three_o hour_n stir_v it_o again_o and_o try_v the_o colour_n if_o it_o be_v red_a as_o blood_n it_o be_v right_n if_o not_o add_v at_o discretion_n a_o little_a more_o of_o each_o of_o these_o powder_n of_o tartar_n soot_n and_o crocus_n martis_n until_o the_o colour_n be_v full_a and_o true_a and_o so_o let_v it_o stand_v for_o a_o whole_a hour_n and_o try_v it_o again_o if_o you_o find_v it_o perfect_a proceed_v no_o further_o but_o keep_v it_o for_o use_n it_o be_v very_o proper_a to_o apply_v to_o gold_n for_o enamel_n chap._n clxxv_o another_o splendid_a enamel_n of_o a_o carbuncle-colour_n not_o to_o particularize_v any_o far_a on_o the_o carbuncle_n which_o we_o have_v sufficient_o enough_o discourse_v of_o already_o we_o will_v show_v how_o to_o imitate_v the_o colour_n ascribe_v to_o it_o with_o enamel_n and_o which_o will_v be_v of_o a_o wonderful_a fine_a beauty_n as_o have_v be_v often_o experiment_a now_o the_o whole_a secret_n of_o this_o operation_n consist_v in_o calcine_v the_o gold_n perfect_o and_o bring_v it_o to_o a_o absolute_a and_o just_a fineness_n which_o must_v create_v this_o precious_a colour_n take_v very_o pure_a gold_n and_o for_o the_o better_a assurance_n refine_v it_o yourself_o and_o dissolve_v a_o ounce_n of_o it_o in_o three_o ounce_n of_o aqua_fw-la regalis_fw-la as_o direct_v in_o chap._n 55._o let_v the_o solution_n distil_v over_o a_o gentle_a fire_n until_o the_o gold_n precipitate_v and_o thus_o repeat_v a_o exhalation_n and_o cohobation_n six_o time_n and_o the_o last_o time_n take_v out_o the_o gold_n powder_n and_o put_v it_o into_o a_o crucible_n cover_v and_o lute_v on_o a_o reverberatory_n to_o calcine_v let_v it_o remain_v until_o it_o become_v of_o a_o very_a excellent_a and_o scarlet_a red_a which_o will_v not_o be_v without_o a_o considerable_a allowance_n of_o many_o hour_n this_o do_v take_v of_o our_o crystal_n ground_n and_o melt_v a_o quantity_n of_o it_o in_o a_o glaze_v pot_n at_o the_o furnace_n of_o the_o glass-house_n and_o be_v well_o purge_v throw_v in_o a_o twenty_o part_n of_o the_o powder_n of_o gold_n in_o proportion_n as_o the_o quantity_n of_o metal_n stir_v the_o whole_a very_o well_o let_v it_o alone_o for_o some_o time_n then_o try_v it_o and_o according_a as_o you_o find_v the_o colour_n put_v in_o more_o powder_n until_o you_o bring_v it_o to_o a_o true_a transparent_a carbuncle-colour_n we_o have_v give_v another_o way_n to_o calcine_v gold_n in_o chap._n 115._o no_o less_o sufficient_a than_o this_o together_o with_o a_o way_n to_o make_v a_o fine_a carbuncle_n and_o this_o rare_a colour_n may_v as_o well_o be_v give_v to_o the_o stone_n as_o the_o enamel_n by_o the_o direction_n for_o prepare_v the_o gold_n in_o either_o chapter_n the_o curious_a may_v choose_v which_o they_o will_v they_o be_v equal_o sufficient_a chap._n clxxvi_o the_o way_n to_o calcine_v copper_n for_o make_v vitriol_n of_o venus_n without_o corrosive_n we_o promise_v in_o chap._n 45._o to_o show_v this_o fine_a essay_n which_o be_v certain_o the_o noble_a preparation_n can_v be_v make_v of_o copper_n so_o the_o learned_a may_v take_v notice_n of_o it_o if_o the_o caput_fw-la mortuum_n of_o vitriol_n have_v many_o excellent_a virtue_n for_o ting_a of_o glass_n this_o vitriol_n itself_o or_o rather_o spirit_n must_v have_v far_o great_a and_o more_o extraordinary_a in_o matter_n of_o a_o more_o sublime_a nature_n a_o famous_a philosopher_n very_o eminent_o recommendable_a and_o judicous_a be_v never_o weary_a of_o dwell_v on_o the_o praise_n of_o this_o hide_a treasure_n and_o extol_v its_o virtue_n to_o the_o high_a though_o this_o virtue_n be_v know_v to_o many_o of_o the_o learned_a yet_o we_o may_v bold_o say_v it_o be_v unknown_a to_o very_o many_o indifferent_o so_o who_o as_o soon_o as_o they_o have_v run_v over_o the_o write_n of_o some_o sage_a virtuoso_fw-la pretend_v to_o be_v acquaint_v with_o all_o the_o secret_n of_o nature_n and_o which_o they_o undertake_v to_o disclose_v and_o unravel_v as_o soon_o as_o they_o can_v force_v they_o to_o any_o sense_n comformable_a to_o their_o weak_a capacity_n though_o never_o so_o different_a from_o the_o author_n meaning_n to_o which_o they_o be_v altogether_o stranger_n and_o this_o give_v we_o authority_n enough_o to_o condemn_v they_o for_o true_o ignorant_a nature_n be_v veil_v and_o her_o virtue_n not_o so_o plain_o disclose_v to_o all_o the_o world_n she_o have_v those_o secret_a recluse_n for_o they_o as_o can_v be_v open_v by_o no_o other_o than_o her_o own_o key_n which_o can_v be_v match_v and_o therefore_o not_o to_o be_v find_v in_o the_o hand_n of_o every_o man_n beside_o that_o one_o must_v be_v lead_v by_o the_o same_o genius_n as_o he_o that_o forge_v it_o before_o one_o can_v true_o find_v and_o distinguish_v it_o and_o we_o may_v assure_v ourselves_o that_o none_o but_o the_o wise_a be_v in_o possession_n of_o this_o rare_a and_o precious_a treasure_n the_o great_a of_o those_o who_o have_v write_v on_o this_o art_n have_v always_o hold_v this_o key_n as_o the_o last_o secret_n all_o the_o profound_a argument_n they_o have_v allege_v and_o pain_n they_o have_v be_v at_o to_o screen_n those_o obscure_a avenue_n be_v design_v to_o make_v they_o inaccessible_a to_o the_o base_a and_o unworthy_a and_o preserve_v these_o all-divine_a secret_n from_o be_v profane_v by_o the_o hand_n of_o such_o as_o will_v abuse_v they_o this_o sacred_a mystery_n do_v not_o only_o consist_v as_o many_o fancy_n in_o the_o make_n of_o gold_n and_o silver_n which_o be_v ambitious_o suggest_v by_o the_o mere_a avarice_n of_o the_o major_a part_n of_o all_o mankind_n but_o be_v indeed_o the_o mean_a excellency_n thereof_o for_o health_n which_o it_o contain_v be_v beyond_o all_o the_o treasure_n in_o the_o world_n beside_o the_o knowledge_n it_o afford_v we_o of_o a_o omnipotency_n in_o the_o true_a god_n and_o of_o all_o the_o other_o most_o holy_a mystery_n of_o religion_n wherein_o it_o give_v a_o opportunity_n to_o make_v a_o perfect_a discovery_n be_v not_o those_o much_o more_o sublime_a and_o eminent_a virtue_n which_o lead_v we_o to_o a_o bless_a eternity_n whereas_o on_o the_o contrary_a all_o the_o transitory_a wealth_n on_o earth_n have_v nothing_o in_o it_o but_o imposture_n and_o serve_v only_o to_o precipitate_v we_o into_o the_o bottomless-pit_n we_o will_v leave_v this_o lofty_a subject_n to_o be_v discourse_v on_o by_o the_o learned_a and_o go_v on_o to_o the_o calcine_v of_o copper_n which_o be_v the_o first_o preparation_n to_o be_v make_v in_o make_v the_o vitriol_n of_o venus_n without_o corrosive_n which_o be_v know_v to_o very_a few_o and_o whereof_o we_o have_v already_o give_v a_o elegy_n take_v thin_a leave_n of_o red_a copper_n and_o put_v they_o into_o crucible_n stratify_v they_o lay_v upon_o lay_v with_o powder_n of_o common_a sulphur_n fill_v your_o crucible_n until_o all_o the_o copper_n leave_v be_v put_v in_o as_o in_o chap._n 22._o then_o cover_v well_o and_o lute_n the_o crucible_n let_v the_o lute_n dry_a and_o put_v they_o into_o the_o furnace_n of_o chap._n 52._o continue_v a_o good_a charcoal-fire_n for_o two_o hour_n afterward_o let_v they_o stand_v and_o cool_v then_o take_v off_o the_o crucible_n and_o you_o will_v find_v your_o copper_n calcine_v and_o blackish_a incline_v to_o a_o deep_a purple_a powder_n searce_o it_o and_o to_o each_o pound_n add_v six_o ounce_n of_o powder_n of_o sulphur_n mix_v and_o put_v they_o into_o a_o round_a flatbottom_n earthen_a pot_n strong_a enough_o to_o bear_v the_o fire_n lay_v upon_o the_o furnace_n a_o strong_a earthen-dish_n fill_v it_o with_o very_o live_v coal_n and_o place_v your_o pot_n thereon_o with_o the_o copper_n when_o the_o pot_n grow_v hot_a and_o the_o sulphur_n take_v fire_n stir_v it_o with_o your_o long_a iron_n crook_n lest_o it_o shall_v stick_v to_o the_o pot_n or_o become_v concrete_a continue_v thus_o till_o the_o sulphur_n be_v all_o consume_v and_o smoke_v no_o more_o take_v the_o pot_n hot_a off_o the_o fire_n and_o empty_a the_o copper_n out_o with_o a_o iron-ladle_n pound_n it_o well_o in_o a_o brass_n mortar_n and_o searce_v it_o all_o