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figure_n be_v draw_v or_o impress_v thereon_o and_o this_o may_v be_v so_o far_o improve_v and_o heighten_v as_o to_o admit_v of_o performance_n rather_o to_o be_v think_v the_o essay_n of_o a_o divine_a than_o human_a artist_n witness_v that_o notable_a piece_n of_o chariot_n draw_v by_o two_o ox_n of_o which_o cardan_n take_v notice_n in_o the_o fifty_o second_o chapter_n of_o his_o ten_o book_n which_o be_v so_o complete_o do_v in_o little_a that_o the_o whole_a may_v be_v cover_v with_o the_o wing_n of_o a_o fly_n the_o ship_n rig_v and_o man_n arm_v which_o howel_n say_v he_o see_v those_o little_a statue_n of_o man_n with_o several_a other_o curiosity_n of_o figure_n vormicus_fw-la also_o assure_v of_o not_o to_o omit_v the_o church_n of_o st._n mark_v at_o venice_n where_o the_o mosaick-work_a be_v plentiful_o interlace_v with_o history_n of_o all_o sort_n distinguishable_a by_o the_o variety_n of_o colour_n and_o gilding_n and_o all_o consist_v of_o several_a different_a 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direction_n in_o the_o follow_a chapter_n take_v lead_n in_o pig_n thirty_o pound_n plate-tin_n of_o cornwall_n thirty_o three_o pound_n mix_v and_o calcine_v they_o as_o direct_v for_o lead_n in_o chap._n lxxxi_o precise_o observe_v the_o direction_n there_o lay_v down_o this_o do_v fierce_o the_o calx_fw-la and_o put_v it_o all_o into_o a_o glaze_v earthen_a pot_n fill_v with_o water_n put_v it_o over_o a_o fire_n and_o let_v it_o boil_v a_o little_a then_o take_v it_o off_o and_o pour_v the_o water_n gentle_o into_o another_o vessel_n which_o will_v carry_v along_o with_o it_o the_o more_o subtle_a calx_fw-la repeat_v this_o until_o no_o more_o of_o the_o calx_fw-la can_v be_v subtilise_v which_o you_o may_v discover_v by_o the_o pureness_n of_o the_o water_n in_o pour_v it_o out_o of_o one_o vessel_n into_o the_o other_o after_o this_o calcine_v the_o remain_n of_o what_o be_v in_o the_o first_o pot_n as_o before_o and_o thus_o continue_v to_o calcine_v and_o subtilizetill_o you_o can_v get_v no_o more_o of_o the_o subtle_a calx_fw-la last_o put_v the_o water_n out_o of_o all_o your_o receiver_n into_o large_a and_o set_v it_o on_o a_o slow_a fire_n to_o evaporate_v the_o fire_n must_v be_v very_o gentle_a for_o this_o reason_n that_o the_o calx_fw-la do_v not_o founder_v or_o fall_v to_o the_o bottom_n but_o continue_v more_o fine_a and_o subtle_a than_o when_o it_o be_v first_o calcine_v your_o calx_fw-la be_v thus_o prepare_v take_v thereof_o about_o fifty_o pound_n and_o as_o much_o fritt_n of_o white_a tarso_n beat_v and_o sear_v as_o direct_v chap._n vi_o to_o these_o add_v eight_o ounce_n of_o salt_n of_o tartar_n fine_o sear_v and_o prepare_v as_o in_o chap._n xv._n mix_v all_o these_o powder_n very_o well_o together_o in_o a_o pot_n and_o let_v it_o stand_v in_o the_o glass-house_n furnace_n or_o oven_n about_o ten_o hour_n to_o digest_v and_o purify_v then_o take_v they_o out_o and_o reduce_v they_o to_o a_o impalpable_a powder_n keep_v it_o in_o a_o 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and_o forty_o eight_o grain_n of_o magnese_n of_o piedmont_n prepare_v as_o in_o chap._n xviii_o put_v they_o will_v together_o into_o one_o of_o your_o furnace-pot_n to_o melt_v and_o purify_v over_o a_o very_a swift_a fire_n which_o will_v be_v do_v in_o a_o little_a time_n the_o matter_n be_v thus_o melt_v take_v it_o out_o of_o the_o pot_n and_o throw_v it_o into_o very_o fair_a water_n and_o be_v afterward_o dry_v put_v it_o again_o into_o the_o pot_n to_o melt_v do_v thus_o with_o it_o thrice_o change_v the_o water_n when_o you_o have_v thus_o purify_v it_o if_o you_o find_v it_o just_o white_a it_o be_v good_a but_o if_o it_o be_v greenish_a add_v a_o little_a more_o magnese_n and_o it_o will_v become_v white_a as_o milk_n and_o fit_a enamel_n for_o gold_n or_o other_o metal_n take_v it_o off_o the_o fire_n and_o make_v it_o up_o into_o cake_n and_o keep_v they_o for_o use_v chap._n cl._n a_o turcoise-blue_a enamel_n this_o colour_n of_o the_o turcois_n or_o turkey-stone_n be_v very_o fine_a for_o enamel_n but_o withal_o very_o difficult_a to_o make_v well_o and_o require_v a_o great_a deal_n of_o experience_n now_o it_o be_v sufficient_o know_v that_o practice_n will_v at_o length_n make_v the_o most_o uneasy_a beginner_n master_n of_o their_o trade_n therefore_o we_o must_v not_o be_v discourage_v if_o we_o fail_v in_o our_o first_o trial_n because_o by_o continue_v to_o repeat_v they_o we_o shall_v at_o length_n be_v sure_a to_o perform_v well_o it_o be_v always_o suppose_v you_o understand_v your_o undertake_n and_o be_v sufficient_o qualify_v to_o distinguish_v when_o you_o be_v in_o the_o right_n or_o wrong_n or_o you_o can_v never_o hope_v to_o succeed_v for_o this_o cause_n we_o ought_v not_o to_o stand_v doze_v on_o every_o unsuccess_n for_o nature_n which_o never_o fail_v will_v still_o be_v ready_a to_o inform_v we_o provide_v we_o have_v judgement_n enough_o to_o determine_v her_o precept_n though_o we_o have_v take_v occasion_n from_o the_o 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it_o and_o that_o which_o be_v yet_o more_o strange_a that_o all_o the_o piece_n of_o glass_n make_v of_o this_o sand_n and_o cast_v again_o upon_o it_o be_v immediate_o convert_v into_o sand_n again_o that_o there_o be_v also_o find_v among_o this_o sand_n a_o precious_a stone_n about_o the_o bigness_n of_o a_o acorn_n very_o fine_a and_o transparent_a tacitus_n in_o the_o 5_o the_o book_n of_o his_o annal_n make_v also_o mention_v of_o this_o river_n belus_n tell_v we_o it_o enter_v into_o the_o sea_n of_o judea_n at_o the_o mouth_n whereof_o the_o sand_n that_o be_v gather_v up_o by_o reason_n of_o the_o great_a quantity_n of_o nitre_n contain_v in_o it_o be_v easy_o change_v into_o glass_n in_o the_o furnace_n and_o although_o the_o shore_n be_v but_o small_a that_o the_o sand_n be_v notwithstanding_o inexhaustible_a strabo_n tell_v we_o the_o same_o thing_n in_o his_o 12_o the_o book_n and_o pliny_n in_o his_o 6_o the_o and_o also_o agricola_n in_o his_o treatise_n of_o fossils_n 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the_o rest_n pliny_n cassius_n and_o isidorus_n that_o in_o the_o time_n of_o the_o emperor_n tiberius_n who_o reign_v in_o the_o time_n of_o our_o saviour_n a_o certain_a person_n but_o anonymous_n a_o architect_n by_o his_o profession_n have_v by_o a_o admirable_a piece_n of_o skill_n set_v upright_o again_o in_o the_o city_n of_o rome_n a_o great_a portico_n that_o lean_v to_o one_o side_n and_o make_v the_o foundation_n firm_a and_o immovable_a tiberius_n pay_v he_o and_o banish_v he_o the_o city_n forbid_v he_o to_o return_v in_o the_o mean_a time_n this_o person_n have_v find_v out_o the_o mean_n to_o make_v glass_n malleable_a and_o come_v again_o to_o rome_n and_o present_v one_o of_o these_o glass_n to_o the_o emperor_n who_o be_v angry_a with_o he_o for_o return_v without_o his_o leave_n fling_v the_o glass_n against_o the_o ground_n which_o only_o bruise_v that_o this_o workman_n take_v it_o up_o again_o immediate_o mend_v it_o with_o a_o hammer_n upon_o a_o little_a anvil_n he_o have_v bring_v on_o purpose_n expect_v for_o it_o the_o emperor_n pardon_n but_o it_o happen_v quite_o contrary_a for_o that_o prince_n ask_v he_o if_o there_o be_v any_o other_o that_o know_v the_o secret_a he_o answer_v no_o the_o emperor_n immediate_o cause_v his_o head_n to_o be_v cut_v off_o on_o the_o spot_n for_o fear_v the_o knowledge_n of_o this_o secret_a shall_v come_v to_o be_v propagate_v to_o posterity_n and_o that_o gold_n on_o that_o account_n shall_v come_v to_o be_v no_o more_o value_v than_o dirt_n and_o consequent_o all_o other_o metal_n lose_v their_o esteem_n and_o value_v in_o short_a glass_n will_v be_v more_o valuable_a than_o gold_n if_o it_o be_v malleable_a by_o reason_n of_o its_o transparency_n our_o age_n fruitful_a in_o great_a man_n have_v have_v no_o less_o advantage_n in_o the_o reign_n of_o the_o late_a king_n lewis_n the_o just_a than_o that_o of_o tiberius_n since_o we_o be_v assure_v that_o a_o certain_a learned_a man_n have_v find_v out_o the_o same_o secret_a call_v it_o by_o the_o name_n of_o ferretto_n nor_o make_v any_o mention_n of_o it_o chap._n xx._n to_o make_v ferretto_n of_o spain_n for_o ting_a glass_n although_o ferretto_n be_v find_v in_o mine_n yet_o it_o may_v be_v artificial_o make_v much_o better_a as_o i_o shall_v show_v in_o the_o follow_a chapter_n excellent_a ferretto_n use_v to_o be_v make_v heretofore_o in_o cyprus_n and_o at_o memphis_n the_o metropolis_n of_o egypt_n but_o it_o be_v no_o more_o use_v in_o france_n whether_o by_o reason_n they_o make_v no_o more_o of_o it_o there_o or_o that_o we_o bring_v it_o no_o more_o from_o those_o place_n i_o can_v tell_v neri_n and_o merret_n who_o have_v write_v of_o the_o art_n of_o glass_n use_v only_o copper_n or_o brass_n to_o make_v ferretto_n we_o will_v give_v you_o their_o preparation_n but_o true_a ferretto_n can_v be_v make_v without_o iron_n or_o steel_n although_o iron_n and_o copper_n be_v somewhat_o of_o a_o like_a nature_n since_o it_o be_v easy_a to_o convert_v the_o former_a into_o the_o latter_a wherein_o there_o be_v far_o more_o virtue_n for_o several_a operation_n than_o iâ—_n the_o natural_a copper_n and_o it_o be_v fine_a more_o pure_a and_o red_a a_o ordinary_a way_n of_o make_v ferretto_n be_v this_o take_v file_n of_o iron_n very_o clean_o and_o sulphur_n beat_v to_o powder_n put_v they_o in_o a_o crucible_n layer_n over_o layer_n or_o first_o one_o layer_n of_o sulphur_n than_o one_o of_o file_n and_o so_o on_o beginning_z and_o end_v with_o the_o sulphur_n which_o be_v call_v stratification_n or_o stratum_fw-la super_fw-la stratum_fw-la after_o that_o you_o must_v cover_v the_o crucible_n with_o another_o or_o with_o a_o tile_n and_o lute_n it_o close_o and_o set_v it_o into_o a_o furnace_n with_o coal_n round_o it_o for_o six_o hour_n increase_a the_o fire_n every_o two_o hour_n that_o be_v the_o two_o first_o hour_n let_v the_o fire_n or_o coal_n be_v half_a a_o foot_n from_o the_o crucible_n the_o two_o second_o about_o a_o quarter_n of_o a_o foot_n and_o the_o two_o last_o let_v it_o be_v cover_v all_o over_o with_o coal_n then_o the_o matter_n be_v cool_v you_o must_v pound_v it_o small_a and_o keep_v it_o for_o use._n chap._n xxi_o another_o extraordinary_a way_n of_o make_v ferretto_n of_o spain_n which_o be_v a_o great_a secret_n this_o way_n of_o make_v ferretto_n be_v not_o common_a nor_o much_o know_v wherefore_o we_o will_v here_o teach_v it_o for_o satisfaction_n of_o the_o curious_a it_o be_v of_o a_o very_a wonderful_a use_n not_o only_o for_o ting_a glass_n but_o for_o several_a chemical_a operation_n wherein_o we_o know_v the_o use_n of_o it_o which_o be_v very_o surprise_v if_o a_o second_o and_o further_a preparation_n be_v make_v of_o it_o whereof_o we_o shall_v here_o make_v no_o mention_n it_o be_v foreign_a to_o our_o subject_n but_o take_v that_o which_o serve_v for_o ting_a glass_n as_o follow_v take_v very_o fine_a steel_n for_o in_o the_o perfection_n of_o that_o consist_v all_o the_o excellency_n of_o the_o work_n make_v it_o into_o thin_a plate_n or_o file_v it_o also_o do_v the_o same_o with_o copper_n or_o brass_n viz._n make_v that_o also_o into_o thin_a plate_n or_o take_v the_o file_n of_o it_o one_o part_n to_o two_o of_o the_o steel_n put_v they_o into_o a_o crucible_n stratum_fw-la super_fw-la stratum_fw-la lute_n they_o and_o put_v it_o on_o a_o gentle_a fire_n for_o eight_o hour_n then_o take_v it_o out_o and_o melt_v the_o whole_a in_o a_o wind-furnace_n than_o cast_v it_o in_o a_o lingot_n or_o in_o little_a plate_n and_o the_o business_n be_v do_v to_o make_v use_n of_o this_o in_o glass_n you_o must_v calcine_v these_o plate_n than_o pound_n they_o and_o searce_v they_o and_o
thing_n make_v of_o a_o extraordinary_a beauty_n great_a than_o can_v be_v imagine_v the_o end_n of_o the_o second_o book_n of_o the_o art_n of_o glass_n book_n iii_o chap._n lxi_o the_o way_n of_o make_v glass_n of_o the_o colour_n of_o gold_n yellow_a of_o granat_n amethyst_n saphir_n velvet_n black_a milk_n white_a marble_n peach_n flower_n and_o deep_a red_a also_o to_o make_v fritt_v with_o natural_a crystal_n to_o colour_v glass_n of_o a_o pearl_n colour_n viper_n ruby_n topaz_n opal_n sun-flower_n and_o other_o with_o several_a other_o particular_n in_o this_o art_n there_o be_v several_a way_n of_o give_v glass_n the_o colour_n of_o gold_n of_o amethyst_n of_o saphir_n and_o other_o which_o be_v not_o unknown_a to_o the_o curious_a in_o this_o art_n and_o as_o there_o be_v general_o some_o one_o way_n more_o particular_a and_o fine_a than_o the_o rest_n several_z may_v be_v ignorant_a of_o that_o for_o that_o reason_n this_o three_o book_n be_v destine_v to_o that_o end_n viz._n to_o show_v the_o best_a and_o also_o to_o make_v fritt_v of_o natural_a or_o rock_n crystal_n the_o way_n and_o process_n whereof_o we_o will_v lay_v down_o so_o distinct_o that_o it_o shall_v be_v impossible_a for_o any_o one_o to_o miss_v his_o aim_n in_o do_v it_o that_o observe_v these_o rule_n to_o that_o end_n we_o caution_n those_o who_o employ_v themselves_o in_o make_v they_o that_o they_o must_v be_v very_o punctual_a in_o the_o do_v time_n and_o circumstance_n and_o material_n for_o if_o you_o err_v in_o any_o one_o the_o whole_a will_v be_v spoil_v and_o come_v to_o nothing_o for_o you_o will_v have_v quite_o different_a colour_n from_o what_o you_o propose_v to_o yourself_o we_o will_v endeavour_v to_o make_v our_o description_n in_o the_o follow_a chapter_n so_o clear_a and_o plain_a that_o we_o hope_v they_o will_v prove_v to_o the_o reader_n be_v satisfaction_n chap._n lxii_o to_o make_v a_o gold-yellow_a in_o glass_n gold-colour_n be_v one_o of_o the_o most_o noble_a and_o fine_a we_o can_v make_v by_o reason_n of_o its_o imitate_v the_o most_o perfect_a metal_n in_o nature_n as_o we_o have_v say_v in_o chap._n 8._o must_v be_v make_v with_o the_o pure_a material_n and_o great_a precaution_n take_v two_o part_n of_o crystal_n fritt_n make_v with_o tarso_n and_o not_o with_o sand_n which_o be_v not_o so_o good_a and_o one_o part_n of_o fritt_n compose_v of_o two_o three_o of_o tarso_n and_o one_o three_o of_o fine_a salt_n of_o polverine_n prepare_v as_o in_o chap._n 7_o pound_n and_o mix_v they_o well_o and_o to_o each_o hundred_o pound_n of_o this_o composition_n add_v one_o pound_n of_o tartar_n purify_v pound_v and_o sear_v fine_a and_o one_o pound_n of_o manganese_n of_o piedmont_n prepare_v as_o in_o chap._n 18_o mix_v well_o these_o powder_n with_o the_o two_o fritts_n because_o you_o must_v not_o cast_v they_o on_o the_o melt_a glass_n as_o in_o other_o colour_n then_o put_v the_o whole_a little_a by_o little_a into_o a_o pot_n and_o put_v they_o into_o a_o furnace_n wherein_o let_v they_o stand_v at_o a_o ordinary_a fire_n four_o day_n for_o fear_v the_o glass_n rise_v shall_v run_v over_o when_o that_o matter_n be_v well_o purify_v you_o may_v use_v it_o for_o make_v vessel_n and_o what_o other_o work_v you_o please_v which_o will_v be_v of_o a_o fair_a colour_n if_o you_o will_v have_v the_o colour_n yet_o clear_a you_o must_v add_v more_o powder_n and_o you_o will_v have_v a_o very_a fine_a golden-colour_n if_o you_o will_v have_v it_o yet_o fine_a take_v fine_a crystal_n fritt_n make_v of_o polverine_n of_o rochetta_n and_o the_o golden-colour_n will_v be_v yet_o more_o fair_a chap._n lxiii_o granat-colour_n in_o glass_n the_o beauty_n of_o this_o colour_n be_v to_o express_v the_o yellowish-red_n of_o fire_n when_o it_o be_v expose_v to_o the_o sun_n we_o will_v treat_v more_o large_o of_o it_o in_o the_o five_o book_n in_o show_v the_o way_n to_o counterfeit_v this_o stone_n as_o also_o several_a other_o to_o give_v granat-colour_n to_o glass_n take_v of_o crystal_n frit_n of_o fritt_n of_o rochetta_n each_o a_o equal_a quantity_n mix_v they_o well_o and_o to_o a_o hundred_o pound_n of_o these_o material_n add_v one_o pound_n of_o manganese_n of_o piedmont_n prepare_v as_o in_o chap._n 18_o one_o ounce_n of_o zaffer_n prepare_v as_o in_o chap._n 17_o mix_v they_o well_o with_o the_o fritts_n then_o put_v they_o little_a by_o little_a into_o a_o earthen_a pot_n make_v red-hot_a in_o the_o furnace_n because_o the_o glass_n be_v apt_a to_o rise_v and_o run_v over_o after_o four_o day_n the_o glass_n be_v well_o tinge_v and_o purify_v you_o may_v work_v it_o you_o may_v increase_v or_o diminish_v the_o colour_n as_o much_o as_o you_o please_v that_o depend_v on_o the_o discretion_n of_o the_o workman_n who_o put_v in_o the_o powder_n which_o ought_v to_o be_v orderly_o put_v in_o that_o the_o matter_n be_v not_o spoil_v chap._n lxiv_o to_o make_v a_o amethist-colour_n in_o glass_n amethyst_n be_v of_o a_o violet_n colour_n proceed_v from_o red_a and_o blue_n must_v be_v well_o imitate_v to_o look_v beautiful_a for_o this_o colour_n take_v crystal_n fritt_n well_o make_v with_o tarso_n and_o not_o sand_n this_o colour_n require_v no_o other_o to_o which_o add_v to_o each_o pound_n one_o ounce_n of_o the_o follow_a powder_n which_o mix_v well_o together_o before_o they_o be_v put_v into_o the_o pot._n after_o that_o you_o must_v set_v the_o pot_n to_o the_o fire_n in_o the_o furnace_n little_a by_o little_a otherwise_o the_o violence_n of_o the_o powder_n will_v cause_v it_o to_o break_v when_o this_o glass_n have_v be_v well_o purify_v for_o the_o space_n of_o four_o day_n and_o it_o have_v the_o colour_n of_o amethyst_n you_o may_v work_v it_o this_o colour_n may_v be_v augment_v or_o diminish_v by_o mean_n of_o the_o fritt_n or_o powder_n according_a to_o the_o discretion_n of_o the_o workman_n this_o be_v the_o powder_n which_o produce_v the_o amethyst_n colour_n in_o glass_n take_v one_o pound_n of_o manganese_n of_o piedmont_n prepare_v as_o in_o chap._n 18_o and_o a_o ounce_n and_o half_a of_o zaffer_n prepare_v as_o in_o chap._n 17_o mix_v they_o well_o together_o and_o put_v the_o do_v we_o have_v show_v to_o each_o pound_n of_o fritt_n to_o have_v a_o true_a amethist-colour_n porta_n in_o his_o six_o book_n chap._n 5._o only_a allow_v one_o drachm_n of_o manganese_n to_o each_o pound_n of_o metal_n to_o make_v the_o glass_n of_o a_o amethyst_n colour_n but_o that_o do_v be_v too_o weak_a and_o you_o must_v follow_v that_o we_o have_v show_v chap._n lxv_o to_o make_v glass_n of_o a_o saphir-colour_n to_o imitate_v the_o colour_n of_o saphir_n in_o glass_n which_o be_v of_o a_o clear_a and_o transparent_a blue_n you_o must_v put_v to_o each_o hundred_o pound_n of_o fritt_n of_o rochetta_n one_o pound_n of_o zaffer_n prepare_v with_o a_o ounce_n of_o manganese_n of_o piedmont_n also_o prepare_v as_o we_o have_v show_v well_o mix_v these_o powder_n with_o the_o fritt_n then_o put_v the_o whole_a into_o a_o pot_n in_o a_o furnace_n let_v the_o glass_n be_v well_o melt_v and_o purify_v for_o the_o long_o it_o remain_v on_o the_o fire_n it_o become_v so_o much_o the_o siner_n if_o you_o take_v care_n to_o take_v it_o out_o from_o time_n to_o time_n then_o mix_v it_o very_o well_o and_o make_v a_o essay_n of_o the_o colour_n and_o if_o it_o be_v not_o full_a enough_o augment_v or_o diminish_v it_o as_o much_o as_o you_o think_v fit_a then_o the_o glass_n may_v be_v wrought_v and_o you_o will_v have_v a_o saphir_n of_o the_o colour_n of_o the_o double_a violet_n of_o constantinople_n which_o the_o small_a do_v of_o manganese_n produce_v chap._n lxvi_o another_o way_n of_o give_v glass_n a_o fine_a saphir-colour_n glass_n will_v have_v a_o far_o fair_a saphir-colour_n if_o in_o room_n of_o fritt_n of_o rochetta_n you_o take_v good_a crystal_n fritt_n and_o add_v to_o it_o the_o same_o do_v of_o powder_n as_o in_o the_o precede_a chapter_n of_o this_o glass_n thus_o tinge_v you_o may_v make_v what_o work_v you_o please_v you_o must_v not_o put_v the_o powder_n of_o manganese_n and_o zaffer_n on_o the_o melt_a glass_n but_o mix_v it_o with_o the_o fritt_n as_o we_o have_v note_v for_o the_o colour_n the_o melt_a glass_n take_v be_v not_o so_o fine_a as_o when_o the_o material_n be_v first_o mix_v chap._n lxvii_o to_o give_v glass_n a_o velvet_n black_n although_o this_o black_a colour_n look_v mournful_a yet_o it_o be_v not_o without_o its_o beauty_n to_o make_v it_o take_v piece_n of_o glass_n of_o several_a colour_n to_o which_o add_v a_o little_a less_o than_o half_a the_o quantity_n of_o manganese_n as_o zaffer_n and_o put_v the_o whole_a into_o a_o pot_n in_o
reason_n of_o their_o smallness_n but_o give_v a_o very_a fine_a colour_n the_o same_o may_v be_v do_v with_o ruby_n sapphire_n and_o other_o precious_a stone_n as_o chemist_n well_o know_v if_o i_o shall_v treat_v of_o all_o those_o colour_n in_o this_o tract_n it_o will_v make_v it_o half_o as_o big_a again_o as_o i_o design_v it_o and_o will_v be_v too_o prolix_a for_o our_o present_a purpose_n what_o we_o have_v show_v already_o be_v sufficient_a to_o make_v very_o fine_a work_n chap._n cx_o to_o make_v sulphur_n saturni_n to_o be_v use_v in_o past_z for_o all_o artificial_a gem_n isaac_n hollandus_n have_v so_o well_o show_v we_o the_o way_n to_o imitate_v the_o colour_n of_o all_o precious_a stone_n that_o i_o can_v pass_v by_o in_o silence_n this_o follow_a method_n of_o his_o extract_v from_o his_o work_n as_o it_o be_v not_o common_a nor_o his_o book_n see_v by_o every_o one_o and_o that_o there_o may_v be_v some_o that_o can_v understand_v he_o we_o think_v the_o reader_n may_v be_v glad_a to_o have_v it_o since_o it_o be_v the_o most_o curious_a way_n that_o can_v be_v make_v use_n of_o for_o this_o work_n the_o way_n to_o make_v his_o sulphur_n for_o it_o be_v this_o take_v ceruse_n or_o white-lead_a ground_n very_o small_a put_v it_o into_o a_o great_a glass_n body_n and_o pour_v thereon_o as_o much_o distil_a vinegar_n as_o will_v rise_v a_o palm_n above_o it_o and_o as_o the_o vinegar_n will_v rise_v and_o swell_v very_o much_o at_o first_o pour_v on_o you_o must_v take_v care_n to_o pour_v it_o on_o gentle_o till_o all_o the_o fury_n and_o noise_n be_v go_v then_o set_v this_o body_n on_o a_o hot_a furnace_n in_o sand_n there_o to_o evaporate_v the_o eight_o part_n of_o it_o away_o then_o let_v it_o cool_v and_o decant_v off_o the_o remainder_n of_o the_o vinegar_n which_o will_v be_v well_o colour_v and_o full_a of_o salt_n which_o keep_v in_o another_o glass_n vessel_n then_o pour_v fresh_a distil_a vinegar_n on_o the_o remainder_n of_o the_o ceruse_n set_v it_o again_o on_o the_o furnace_n to_o evaporate_v as_o before_o and_o decant_v off_o that_o vinegar_n as_o the_o former_a reiterate_v this_o process_n of_o put_v fresh_a vinegar_n on_o your_o matter_n and_o evaporate_n it_o and_o decant_v it_o off_o till_o it_o have_v no_o further_a colour_n nor_o sweetness_n which_o common_o happen_v about_o the_o six_o time_n take_v all_o your_o colour_a vinegar_n and_o careful_o filter_n they_o off_o then_o take_v one_o or_o more_o glass_n cucurbit_n and_o evaporate_v all_o the_o vinegar_n over_o a_o gentle_a fire_n and_o you_o will_v find_v remain_v at_o bottom_n a_o salt_n of_o saturn_n of_o lead_n very_o white_a then_o take_v a_o glass_n matras_n lute_n it_o well_o down_o to_o the_o middle_n of_o the_o body_n and_o put_v your_o salt_n of_o lead_n in_o it_o and_o put_v it_o on_o a_o sand_n furnace_n over_o a_o gentle_a fire_n for_o the_o space_n of_o twenty_o four_o hour_n cover_v it_o with_o sand_n up_o to_o the_o neck_n then_o take_v out_o your_o salt_n which_o ought_v to_o be_v as_o red_a as_o cinnabar_fw-la and_o grind_v it_o fine_a on_o a_o marble_n if_o it_o be_v yellow_a you_o must_v put_v it_o on_o the_o fire_n again_o for_o twenty_o four_o hour_n long_o and_o take_v care_v it_o do_v melt_v for_o then_o all_o be_v spoil_v when_o your_o salt_n of_o lead_n be_v perfect_a as_o we_o have_v show_v you_o must_v put_v it_o again_o into_o a_o glass_n cucurbit_n and_o pour_v distil_v vinegar_n on_o it_o as_o before_o and_o decant_v it_o off_o when_o it_o be_v enough_o colour_v and_o put_v fresh_a vinegar_n on_o the_o remain_a salt_n and_o continue_v this_o process_n till_o all_o the_o salt_n be_v dissolve_v and_o the_o faeces_fw-la or_o dregs_o all_o separate_v after_o that_o put_v all_o these_o colour_a vinegar_n into_o glass_n vessel_n and_o let_v they_o stand_v six_o day_n to_o settle_v than_o filter_n they_o careful_o and_o separate_v all_o the_o faeces_fw-la then_o put_v all_o these_o filter_v vinegar_n into_o a_o great_a glass_n body_n to_o evaporate_v as_o before_o and_o you_o will_v find_v at_o the_o bottom_n a_o very_a white_a salt_n of_o lead_n sweet_a as_o sugar_n this_o salt_n be_v well_o dry_v dissolve_v it_o afresh_o in_o common_a water_n and_o let_v it_o stand_v six_o day_n that_o all_o the_o faeces_fw-la may_v precipitate_v to_o the_o bottom_n then_o filter_n that_o water_n and_o evaporate_v it_o in_o a_o glass_n cucurbite_n over_o a_o gentle_a fire_n as_o we_o have_v say_v and_o you_o will_v have_v at_o bottom_n a_o salt_n more_o white_a than_o snow_n and_o as_o sweet_a as_o sugar_n reiterate_v this_o method_n of_o dissolve_v in_o fair_a water_n filter_v and_o evaporate_n till_o three_o time_n then_o take_v your_o saccharum_n saturni_n and_o put_v it_o in_o a_o glass_n body_n in_o a_o sand_n furnace_n over_o a_o temperate_a heat_n where_o leave_v it_o for_o several_a day_n without_o augment_v the_o fire_n than_o it_o will_v become_v red_a than_o cinnabar_fw-la and_o give_v a_o calx_fw-la fine_a than_o wheaten_n flour_n it_o be_v this_o calx_fw-la thus_o purify_v from_o all_o its_o terrestreity_n which_o be_v call_v sulphur_n of_o saturn_n now_o in_o make_v past_z for_o emerald_n sapphire_n granat_n topaz_n chrysolite_n blue_a and_o other_o colour_n you_o must_v employ_v it_o instead_o of_o minium_n in_o the_o same_o dose_n we_o have_v show_v in_o the_o precedent_a chapter_n of_o this_o five_o book_n observe_v all_o we_o have_v note_v in_o the_o subject_a of_o bake_v and_o proceed_v as_o in_o chap._n 94._o then_o you_o will_v have_v stone_n of_o different_a colour_n far_o fair_a than_o the_o natural_a one_o and_o which_o can_v scarce_o be_v distinguish_v from_o they_o the_o past_z make_v with_o this_o sulphur_n will_v not_o have_v that_o grease_n and_o yellowness_n which_o other_o have_v and_o will_v not_o be_v so_o apt_a to_o spot_v by_o the_o breath_n upon_o this_o account_n the_o curious_a will_v have_v no_o cause_n to_o repent_v of_o the_o trouble_n of_o make_v this_o sulphur_n though_o the_o work_v be_v very_o laborious_a they_o also_o know_v that_o all_o fine_a work_n require_v very_o pure_a matter_n and_o that_o they_o can_v have_v that_o purity_n without_o the_o great_a time_n and_o care_n of_o those_o who_o undertake_v they_o i_o may_v also_o here_o say_v that_o this_o work_n well_o carry_v on_o be_v more_o precious_a than_o it_o seem_v to_o be_v except_o to_o those_o who_o be_v acquaint_v with_o it_o for_o the_o sweetness_n this_o lead_n have_v acquire_v by_o the_o preparation_n we_o have_v show_v be_v a_o true_a sign_n of_o its_o purity_n that_o it_o be_v fit_a to_o make_v a_o medicine_n very_o homogeneous_a to_o nature_n i_o do_v say_v that_o this_o preparation_n alone_o we_o have_v here_o show_v be_v sufficient_a for_o so_o elevate_v a_o mystery_n as_o that_o whereof_o we_o speak_v but_o i_o can_v also_o conceal_v that_o it_o be_v the_o chief_a part_n of_o the_o work_n especial_o if_o you_o observe_v some_o little_a circumstance_n which_o isaac_n hollandus_n have_v omit_v to_o mention_v whether_o he_o be_v ignorant_a of_o they_o or_o think_v they_o not_o necessary_a to_o his_o preparation_n i_o can_v tell_v the_o learned_a will_v easy_o penetrate_v into_o this_o mystery_n and_o other_o that_o have_v a_o true_a desire_n to_o know_v it_o will_v find_v subject_a to_o exercise_v their_o wit_n on_o in_o embrace_v so_o serious_a a_o study_n to_o penetrate_v into_o the_o depth_n of_o it_o chap._n cxi_o the_o way_n to_o make_v very_o hard_a past_z with_o sulphur_n of_o saturn_n and_o to_o give_v they_o all_o the_o colour_n of_o precious_a stone_n this_o paste_n be_v a_o consequent_a of_o the_o precedent_a operation_n because_o we_o employ_v therein_o the_o same_o sulphur_n of_o saturn_n we_o just_a now_o mention_v and_o that_o which_o chief_o cause_v its_o beauty_n be_v that_o all_o the_o ingredient_n we_o use_v in_o it_o be_v perfect_o purify_v to_o do_v this_o take_v ten_o pound_n of_o natural_a crystal_n prepare_v with_o six_o pound_n of_o salt_n extract_v from_o polverine_n of_o rochetta_n purify_v pound_v and_o well_o sear_v as_o we_o have_v show_v in_o chap._n 7_o whereunto_o add_v two_o pound_n of_o sulphur_n of_o saturn_n chemical_o prepare_v as_o in_o the_o precede_a chapter_n then_o mix_v these_o three_o powder_n well_o together_o and_o put_v they_o into_o a_o earthen_a glaze_v pan_n and_o cast_v on_o they_o a_o little_a common_a fair_a water_n to_o reduce_v these_o powder_n into_o a_o lump_n something_o hard_o afterward_o divide_v they_o into_o several_a parcel_n of_o about_o three_o ounce_n each_o make_v a_o hole_n in_o the_o middle_a the_o better_a to_o dry_v they_o at_o the_o sun_n be_v well_o dry_v put_v they_o into_o a_o earthen_a pot_n well_o
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
the_o sunshine_n for_o five_o or_o six_o day_n shake_v the_o bottle_n well_o three_o or_o four_o time_n a_o day_n that_o the_o pure_a enamel_n may_v dissolve_v and_o the_o grosser_n fall_n to_o the_o bottom_n take_v the_o enamel_n out_o of_o your_o bottle_n and_o steep_v the_o face_n let_v they_o precipitate_v as_o useless_a then_o evaporate_v your_o aquavitae_a and_o dry_v your_o azure_a which_o will_v be_v a_o very_a fine_a well_o cleanse_v matter_n for_o all_o sort_n of_o this_o work_n grind_v it_o after_o on_o your_o marble_n this_o enamel_n so_o prepare_v be_v most_o proper_a for_o paint_v and_o far_o beyond_o the_o ultra_fw-la marine_n so_o much_o make_v use_n of_o we_o shall_v in_o the_o ten_o book_n prescribe_v some_o other_o excellent_a method_n to_o make_v blue_n very_o fine_a with_o a_o receipt_n for_o ultra_fw-la marine_n and_o several_a other_o colour_n in_o favour_n of_o those_o who_o affect_v that_o noble_a art_n of_o limn_v chap._n cxci_o a_o red_a paint_n for_o enamel_n there_o can_v nothing_o exceed_v the_o perfection_n of_o our_o enamel_n of_o this_o colour_n teach_v in_o eight_o several_a chapter_n of_o the_o six_o book_n the_o like_a may_v be_v say_v of_o our_o blood-colour_n ruby_n rose_n and_o carbuncle_n which_o be_v the_o most_o exalt_a ingredient_n for_o enamel_v metal_n or_o make_v paint_n on_o enamel_n and_o those_o who_o practise_v this_o fine_a art_n use_v no_o other_o than_o that_o of_o the_o glass-house_n or_o such_o as_o they_o make_v according_o now_o this_o red_a enamel_n be_v prepare_v as_o the_o other_o colour_n with_o aquafortis_n to_o purify_v it_o wash_v dry_a and_o ground_n with_o oil_n of_o spike_n for_o your_o use_n there_o be_v yet_o another_o tolerable_a red_a which_o they_o paint_v with_o on_o enamel_n in_o which_o be_v employ_v calcine_v gold_n but_o this_o will_v be_v much_o more_o improve_v if_o instead_o of_o their_o rocaille_n they_o make_v use_v of_o our_o matter_n make_v of_o crystal_n and_o saturnus_n glorificatus_fw-la in_o chap._n 113._o or_o of_o our_o principal_a prepare_a powder_n prescribe_v all_o along_o the_o six_o book_n for_o these_o be_v exceed_v well_o purify_v whereas_o the_o rocaille_n have_v too_o great_a a_o surcharge_n of_o lead_n the_o impurity_n whereof_o always_o render_v the_o work_n defective_a see_v here_o their_o way_n of_o calcine_v gold_n which_o be_v not_o near_o so_o fine_a as_o that_o we_o have_v give_v chap._n 115._o and_o as_o there_o be_v a_o hundred_o several_a way_n so_o every_o man_n make_v use_v of_o his_o own_o as_o most_o excellent_a and_o think_v it_o better_o than_o another_o one_o take_v a_o ounce_n of_o fine_a gold_n in_o very_o thin_a plate_n these_o dissolve_v in_o eight_o ounce_n of_o aquafortis_n and_o regulate_v with_o sal-armoniack_a or_o old_a strong_a salt_n in_o a_o small_a glass_n matrass_n this_o be_v put_v into_o a_o glasscucurbit_a wherein_o be_v already_o pour_v eight_o paris_n pint_n of_o spring-water_n and_o six_o ounce_n of_o mercury_n the_o cucurbit_n be_v place_v on_o a_o still_a fire_n and_o after_o four_o and_o twenty_o hour_n the_o gold_n descend_v to_o the_o bottom_n in_o a_o light_a landred_n powder_n than_o the_o water_n be_v pour_v off_o leisurely_o into_o a_o earthen_a glaze_v receiver_n or_o pan_n and_o the_o powder_n gather_v and_o dry_v by_o a_o moderate_a heat_n and_o with_o a_o chamois_n skin_n they_o separate_v the_o mercury_n from_o the_o gold_n and_o grind_v this_o powder_n with_o twice_o its_o weight_n of_o flower_n of_o sulphur_n together_o and_o then_o put_v all_o into_o a_o crucible_n over_o a_o small_a fire_n where_o the_o sulphur_n will_v communicate_v itself_o with_o the_o rest_n and_o then_o evaporate_n they_o find_v the_o powder_n somewhat_o ruddy_a which_o ground_n with_o rocaille_n be_v what_o they_o make_v use_v of_o on_o the_o enamel_n we_o own_o this_o calcination_n to_o be_v tolerable_a as_o to_o the_o gold_n but_o as_o for_o mix_v the_o calx_fw-la with_o the_o rocaille_n without_o melt_v they_o together_o to_o incorporate_v be_v disputable_a we_o believe_v that_o in_o grind_v they_o together_o with_o oil_n of_o spike_n they_o may_v in_o some_o sort_n incorporate_a as_o other_o colour_n but_o can_v never_o so_o perfect_o unite_v beside_o the_o crystal_n matter_n do_v not_o so_o well_o receive_v the_o colour_n of_o the_o gold_n this_o way_n as_o if_o it_o be_v do_v by_o fusion_n other_o make_v red_a incline_n to_o vermilion_n which_o they_o use_v in_o paint_v after_o this_o manner_n take_v vitriol_n calcine_v in_o two_o crucible_n well_o lute_v together_o and_o set_v for_o a_o hour_n over_o a_o flow_n fire_n then_o purge_v it_o with_o aquafortis_n wash_v it_o in_o fair_a water_n and_o grind_v it_o with_o oil_n of_o spike_n as_o before_o and_o so_o make_v use_n of_o it_o for_o enamel_n all_o red_a enamel_n which_o be_v good_a aught_o to_o be_v hard_a and_o not_o easy_o consume_v in_o the_o fire_n for_o that_o which_o be_v otherwise_o contain_v much_o lead_n and_o soon_o become_v dull_a and_o sully_v and_o be_v not_o of_o so_o last_a a_o substance_n which_o the_o workman_n ought_v to_o be_v cautious_a of_o to_o finish_v the_o preparation_n of_o enamel_n and_o before_o the_o manner_n of_o paint_v they_o be_v prescribe_v take_v notice_n that_o all_o the_o colour_n before_o mention_v which_o be_v not_o pure_a enamel_n aught_o to_o be_v incorporate_v with_o a_o crystalline_a matter_n such_o as_o we_o prescribe_v in_o chap._n 148._o to_o the_o end_n they_o may_v vitrifie_v the_o better_a which_o else_o they_o will_v not_o easy_o do_v the_o most_o workman_n make_v use_n of_o their_o rocaille_n whether_o to_o avoid_v the_o trouble_n of_o make_v or_o that_o they_o be_v ignorant_a how_o to_o prepare_v a_o better_a matter_n and_o this_o have_v oblige_v we_o to_o give_v several_a way_n very_o good_a and_o true_a for_o their_o purpose_n to_o make_v fine_a and_o perfect_a work_n by_o chap._n cxcii_o the_o way_n to_o paint_n on_o enamel_n this_o art_n be_v revere_v by_o all_o nation_n it_o be_v so_o fine_a and_o so_o excellent_a that_o the_o first_o and_o noble_a person_n of_o the_o world_n practice_v in_o it_o as_o we_o have_v say_v elsewhere_o it_o be_v certain_a that_o the_o art_n of_o paint_v on_o enamel_n be_v modern_a but_o no_o less_o estimable_a for_o that_o since_o its_o effect_n be_v so_o wonderful_o beautiful_a so_o infinite_o last_v of_o so_o natural_a a_o gloss_n and_o their_o splendour_n never_o to_o be_v deface_v if_o it_o be_v possible_a to_o make_v large_a work_n of_o enamel_n as_o be_v do_v in_o picture_n they_o will_v be_v inestimable_a because_o of_o their_o lustre_n and_o so_o far_o surpass_v what_o antiquity_n have_v have_v such_o great_a respect_n for_o and_o which_o these_o latter_a age_n still_o caress_n with_o extraordinary_a esteem_n this_o way_n of_o paint_v on_o enamel_n seem_v much_o more_o difficult_a than_o limn_v practise_v however_o convince_v we_o that_o they_o be_v equal_o easy_a and_o we_o can_v with_o as_o little_a trouble_n represent_v any_o history_n on_o enamel_n as_o in_o limn_v the_o difference_n lie_v only_o in_o prepare_v the_o colour_n which_o be_v not_o do_v the_o same_o way_n for_o we_o dry_a and_o varnish_v our_o enamel-paint_a by_o fire_n whereas_o that_o in_o limn_v be_v do_v by_o the_o air._n to_o paint_v on_o enamel_n you_o must_v have_v a_o plate_n of_o gold_n enamel_v with_o white_a on_o which_o delineate_v and_o portray_v your_o design_n this_o do_v draw_v it_o over_o again_o in_o dark_a red_a the_o piece_n be_v perfect_o do_v off_o and_o the_o line_n complete_a to_o the_o subject_a set_v the_o tablet_n or_o piece_n in_o the_o muffle_v on_o a_o reverberatory_n fire_n to_o settle_v as_o before_o direct_v your_o tablet_n be_v take_v out_o apply_v the_o colour_n in_o a_o just_a order_n as_o in_o limn_v with_o this_o difference_n only_o that_o here_o you_o make_v your_o white_a ground_n serve_v for_o fill_v where_o that_o colour_n be_v require_v to_o set_v off_o the_o heightning_n and_o lustre_n of_o the_o light_n as_o be_v do_v in_o miniature_n and_o because_o it_o mighty_o contribute_v to_o the_o heighten_v thereof_o in_o the_o other_o colour_n as_o to_o improve_n their_o light_n we_o have_v give_v a_o most_o excellent_a receipt_n in_o chap._n 187._o which_o very_o excellent_o serve_v upon_o this_o occasion_n when_o the_o piece_n be_v thus_o finish_v put_v it_o again_o into_o the_o furnace_n to_o fix_v the_o colour_n and_o as_o soon_o as_o you_o perceive_v it_o varnish_v or_o polish_v draw_v it_o out_o least_o the_o colour_n mix_v and_o spoil_v each_o other_o you_o may_v take_v out_o the_o work_n again_o and_o revise_v it_o as_o often_o as_o you_o please_v only_o put_v it_o still_o into_o the_o furnace_n until_o it_o receive_v its_o just_a gloss_n etc._n etc._n this_o way_n of_o
several_a other_o easy_a way_n to_o cleanse_v and_o whiten_v the_o pearl_n which_o may_v serve_v on_o indifferent_a occasion_n and_o for_o ordinary_a use_n pound_v alabaster_n to_o impalpable_a powder_n and_o rub_v the_o pearl_n with_o it_o very_o gentle_o this_o will_v cleanse_v they_o or_o you_o may_v let_v they_o remain_v in_o this_o powder_n twenty_o four_o hour_n afterward_o they_o be_v still_o much_o the_o better_a for_o it_o white_a coral_n have_v also_o the_o same_o effect_n as_o the_o alabaster_n use_v it_o after_o the_o like_a manner_n tartar_n calcine_v white_a and_o divest_v of_o all_o its_o moisture_n as_o we_o have_v show_v elsewhere_o be_v very_o good_a for_o the_o same_o use_n clary_n or_o old_a salt_n dissolve_v filter_v coagulate_v well_o dry_v and_o ground_n be_v as_o effectual_a as_o any_o of_o the_o former_a thing_n for_o cleanse_v and_o blanch_a of_o pearl_n by_o rub_v they_o therewith_o a_o considerable_a time_n you_o may_v afterward_o lay_v they_o up_o in_o some_o millet_n ground_n large_a and_o it_o will_v contribute_v to_o they_o a_o natural_a brightness_n there_o be_v several_a other_o way_n to_o cleanse_v and_o whiten_a pearl_n but_o those_o we_o have_v here_o propose_v be_v sufficient_a chap._n ccxlix_o to_o make_v counterfeit_n pearl_n very_o like_o the_o natural_a this_o receipt_n for_o make_v counterfeit_n pearl_n have_v a_o much_o more_o fine_a and_o solid_a effect_n than_o any_o now_o a-days_o in_o use_n take_v chalk_n well_o purify_v and_o separate_v from_o its_o grossness_n and_o sand_n make_v paste_n thereof_o and_o so_o mould_v it_o up_o like_o pearl_n in_o a_o mould_n for_o that_o purpose_n pierce_v these_o through_o with_o a_o bristle_n and_o let_v they_o afterward_o dry_a before_o the_o sun_n or_o for_o more_o dispatch_n in_o a_o oven_n till_o they_o receive_v a_o just_a hardness_n then_o string_n they_o on_o a_o very_a fine_a thread_n of_o silver_n colour_n they_o over_o light_o with_o bolearmoniack_n dilute_v in_o water_n of_o whites_n of_o egg_n then_o drench_v they_o with_o a_o pencil_n and_o fair_a water_n and_o so_o apply_v leaf-silver_n all_o over_o and_o let_v they_o dry_a this_o do_v burnish_v they_o with_o a_o vvolf_n tooth_n till_o they_o shine_v very_o fine_o to_o give_v they_o the_o true_a colour_n of_o pearl_n make_v a_o glue_n of_o parchment_n or_o rather_o vellum_n shave_n thus_o wash_v the_o shave_n in_o warm_a water_n very_o well_o and_o boil_v they_o after_o in_o a_o new_a pot_n to_o a_o thickness_n and_o strain_v this_o glue_n when_o you_o use_v this_o glue_n you_o must_v warm_v it_o on_o â—_o flat_o vessel_n then_o dip_v the_o string_n of_o pearl_n therein_o so_o as_o not_o to_o fill_v the_o interval_n inches_n between_o each_o pearl_n but_o that_o every_o one_o may_v be_v do_v all_o over_o equal_o aâ—ter_v this_o let_v they_o dry_a if_o you_o observe_v any_o balk_v 〈◊〉_d defect_n on_o they_o you_o may_v dip_v they_o in_o a_o second_o timeâ—_n thus_o they_o will_v assume_v a_o fine_a and_o more_o transparent_a whiteness_n and_o will_v have_v a_o certain_a darkness_n within_o and_o lustre_n on_o the_o outside_n which_o complete_v and_o â—rings_v they_o to_o the_o natural_a beauty_n of_o real_a fine_a pearl_n you_o may_v after_o this_o manner_n do_v with_o transparent_a bead_n of_o alabaster_n and_o very_o white_a mouth-glew_a and_o it_o will_v add_v very_o much_o to_o their_o beauty_n but_o leaf_n silver_n do_v certain_o contribute_v most_o of_o any_o thing_n else_o whatever_o to_o their_o splendour_n of_o the_o art_n of_o glass_n book_n xii_o to_o make_v crystal_a looking-glass_n how_o to_o grind_v polish_v diamond-cut_a and_o silver_n they_o to_o make_v glass_n and_o metal_n mirror_n etc._n etc._n chap._n ccl_o this_o be_v the_o twelve_o and_o last_o book_n of_o our_o art_n of_o glass_n which_o shall_v have_v indeed_o succeed_v the_o first_o but_o we_o wait_v some_o memoir_n on_o the_o subject_a nor_o we_o have_v not_o yet_o find_v they_o this_o make_v we_o put_v it_o off_o and_o place_n it_o here_o beside_o there_o be_v such_o a_o coherency_n of_o matter_n in_o the_o order_n of_o the_o second_o book_n as_o we_o can_v not_o possible_o dispose_v of_o any_o other_o way_n without_o break_v their_o due_a course_n and_o the_o affinity_n and_o connection_n they_o have_v with_o each_o other_o which_o the_o reader_n may_v easy_o perceive_v but_o what_o matter_n be_v it_o where_o we_o place_v this_o so_o that_o it_o may_v be_v find_v among_o our_o work_n and_o we_o deliver_v nothing_o therein_o but_o what_o we_o have_v be_v familiar_a withal_o that_o of_o looking-glass_n be_v undoubted_o the_o fine_a and_o more_o admirable_a part_n of_o glass-work_a it_o be_v the_o most_o perfect_a masterpiece_n of_o all_o the_o art_n we_o presume_v the_o order_n we_o have_v give_v in_o place_v it_o here_o will_v be_v approve_v of_o since_o it_o be_v the_o subject_a of_o the_o last_o book_n and_o the_o twelve_o which_o be_v a_o perfect_a number_n and_o comprehend_v all_o other_o in_o sacred_a philosophy_n twelve_o the_o number_n of_o grace_n and_o perfection_n have_v be_v high_o esteem_v at_o all_o time_n for_o those_o wonderful_a property_n ascribe_v to_o it_o it_o be_v very_o much_o celebrate_v in_o holy_a writ_n and_o the_o divine_a plato_n have_v use_v it_o with_o the_o same_o deference_n in_o his_o work_n if_o the_o account_n which_o those_o who_o be_v intimate_v with_o this_o famous_a number_n twelve_o have_v leave_v of_o it_o be_v not_o foreign_a to_o our_o design_n we_o can_v give_v the_o curious_a such_o extraordinary_a relation_n as_o will_v create_v a_o mighty_a respect_n in_o they_o for_o the_o same_o we_o already_o note_v in_o the_o first_o chapter_n that_o it_o be_v about_o two_o hundred_o year_n since_o the_o invention_n of_o looking-glass_n and_o also_o how_o they_o be_v find_v out_o before_o these_o the_o lady_n make_v use_v of_o steel_n or_o copper_n or_o well_o polish_a marble_n mirror_n these_o have_v be_v in_o use_n for_o many_o age_n we_o can_v by_o the_o help_n of_o history_n look_v back_o on_o they_o as_o far_o as_o the_o time_n of_o ozias_n king_n of_o juda_n which_o be_v about_o the_o four_o or_o five_o olympiad_n and_o as_o many_o year_n before_o the_o building_n of_o rome_n seven_o hundred_o and_o sixty_o four_o year_n after_o this_o our_o christian_n aera_fw-la commence_v now_o though_o the_o tyrian_n be_v very_o conversant_a in_o glass-work_n yet_o they_o have_v not_o the_o knowledge_n of_o make_v looking-glass_n among_o all_o the_o excellency_n of_o the_o art_n none_o come_v near_o this_o nothing_o can_v be_v fine_a or_o admit_v of_o great_a admiration_n than_o to_o see_v that_o all_o the_o action_n of_o the_o beholder_n be_v so_o just_o and_o lively_o represent_v in_o these_o glass_n that_o he_o have_v a_o opportunity_n of_o discover_v what_o be_v to_o be_v value_v on_o he_o and_o correct_v what_o be_v amiss_o these_o truth_n be_v too_o apparent_a for_o any_o to_o disprove_v for_o the_o experience_n of_o they_o be_v at_o this_o day_n to_o be_v make_v as_o easy_o by_o the_o mean_a as_o the_o great_a person_n we_o shall_v discourse_v but_o very_o brief_o of_o the_o metal_n for_o make_v these_o glass_n for_o it_o be_v the_o same_o crystal_n we_o have_v prescribe_v throughout_o the_o first_o book_n but_o we_o will_v enlarge_v on_o this_o matter_n a_o little_a for_o the_o conveniency_n of_o make_v the_o mirror_n of_o metal_n etc._n etc._n whereof_o we_o will_v show_v how_o to_o compound_v the_o stuff_n and_o the_o way_n of_o work_v they_o chap._n ccli_o the_o way_n to_o make_v looking-glass_n all_o those_o who_o employ_v themselves_o in_o the_o art_n oâ—_n glass_n do_v it_o always_o without_o derogate_a from_o their_o quality_n as_o we_o have_v note_v in_o chap._n 3._o which_o our_o king_n have_v always_o take_v care_n to_o maintain_v the_o undertaker_n of_o the_o royal_a glass-manufacture_n in_o france_n when_o they_o obtain_v their_o grant_n of_o privilege_n do_v at_o the_o same_o time_n require_v that_o alâ—_n person_n of_o quality_n who_o shall_v associate_v in_o the_o manufacture_n may_v do_v it_o without_o lessen_v their_o quality_n to_o which_o his_o majesty_n agree_v with_o exemption_n from_o their_o taille_n and_o several_a other_o privilege_n aâ—_n quarter_a of_o soldier_n etc._n etc._n for_o all_o such_o their_o substitute_n servant_n and_o domestic_n the_o first_o grant_v of_o privilege_n to_o this_o manufacture_n bear_v date_n in_o october_n 1665._o in_o favour_n of_o nicholas_n du_fw-fr noyer_n for_o twenty_o year_n which_o be_v renew_v by_o letter_n patent_n of_o the_o last_o of_o december_n 1683._o for_o thirty_o year_n to_o peter_n bagneux_n the_o second_o privilege_n for_o the_o manufacture_n royal_a of_o large_a glass_n be_v grant_v decemb._n 14.1688_o to_o abraham_n to_o hevart_n for_o thirty_o year_n with_o the_o save_a privilege_n