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 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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 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church_n oâ—_n the_o city_n of_o metz_n in_o that_o of_o st._n owen_n at_o rouen_n in_o thâ—_n castle_n of_o gaillon_n and_o annet_fw-la and_o in_o several_a other_o place_n which_o will_v be_v tedious_a to_o relate_v where_o in_o aâ—_n of_o they_o be_v to_o be_v see_v some_o of_o those_o prodigy_n oâ—_n art_n the_o way_n to_o become_v perfect_a in_o any_o art_n be_v whole_o to_o dâ—_n vote_n and_o give_v one_o self_n up_o to_o it_o but_o the_o most_o part_n of_o thosâ—_n who_o have_v so_o zealous_o apply_v themselves_o to_o it_o and_o beâ—_n come_v excellent_a therein_o have_v leave_v no_o other_o patrimony_n â—â—_z their_o heir_n but_o their_o own_o empty_a fame_n which_o they_o aâ—â—_n way_n pursue_v when_o alive_a with_o far_o more_o vigour_n than_o thâ—_n good_n of_o fortune_n witness_v lisippus_n that_o incomparabâ—â—_n engraver_n why_o die_v of_o mere_a poverty_n because_o insteaâ—_n of_o seek_v whereby_o to_o live_v he_o continual_o employ_v himself_o about_o his_o art_n and_o miron_n who_o seem_v to_o have_v animate_v his_o statue_n cast_v they_o so_o happy_o in_o brass_n lâ—â—_n so_o little_a behind_o he_o that_o no_o one_o will_v take_v the_o pain_n to_o â—_o his_o executor_n to_o look_v after_o it_o we_o may_v give_v a_o thousand_o example_n of_o these_o truth_n and_o in_o what_o esteem_v those_o who_o have_v excel_v in_o these_o art_n have_v be_v have_v by_o great_a prince_n all_o over_o the_o world_n but_o the_o subject_n will_v require_v a_o large_a discourse_n than_o we_o have_v allot_v to_o this_o preface_n which_o oblige_v we_o to_o come_v to_o a_o conclusion_n only_a further_o desire_v the_o reader_n not_o to_o expect_v any_o quaintness_n of_o expression_n or_o politeness_n of_o style_n but_o rather_o to_o content_v himself_o with_o the_o exactness_n which_o we_o have_v always_o take_v care_n to_o observe_v in_o give_v he_o the_o preparation_n we_o pretend_v to_o show_v with_o all_o the_o truth_n and_o fidelity_n possible_a of_o the_o art_n of_o glass_n part_n i._n chap._n i._o of_o the_o original_a antiquity_n and_o use_v of_o glass_n it_o have_v not_o be_v without_o reason_n that_o several_a learned_a person_n have_v compare_v man_n to_o a_o microcosm_n or_o little_a world_n since_o he_o contain_v in_o himself_o all_o the_o excellency_n of_o the_o great_a and_o that_o god_n have_v create_v he_o after_o his_o own_o image_n have_v give_v he_o a_o absolute_a dominion_n over_o all_o creature_n in_o this_o world_n not_o only_o over_o animal_n and_o vegetable_n and_o those_o other_o visible_a mix_v body_n among_o which_o we_o be_v immediate_o conversant_a but_o also_o over_o metal_n mineral_n semimineral_n precious_a stone_n pearl_n coral_n and_o whatever_o treasure_n be_v hide_v in_o the_o bowel_n of_o the_o earth_n or_o bottom_n of_o the_o sea_n that_o he_o may_v make_v use_n of_o they_o for_o his_o own_o pleasure_n and_o that_o by_o the_o understanding_n god_n have_v give_v he_o he_o may_v know_v their_o property_n to_o make_v 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prepare_v as_o by_o chap._n 18_o the_o whole_a reduce_v to_o fine_a powder_n mix_v they_o well_o together_o and_o put_v they_o in_o a_o crucible_n and_o cover_v and_o lute_n it_o well_o then_o put_v they_o in_o the_o furnace_n to_o bake_v the_o same_o space_n of_o time_n as_o before_o show_v and_o you_o will_v have_v a_o oriental_a sapphire_n of_o a_o very_a fine_a violet-colour_n chap._n cv_o another_o deep_a oriental_a sapphire_n this_o past_a for_o sapphire_n will_v be_v of_o a_o deep_a colour_n than_o the_o former_a you_o must_v put_v to_o two_o ounce_n of_o natural_a crystal_n prepare_v as_o in_o chap._n 92_o five_o ounce_n of_o minium_n forty_o two_o grain_n of_o prepare_a zaffer_n and_o eight_o grain_n of_o manganese_n of_o piedmont_n also_o prepare_v the_o whole_a reduce_v to_o a_o impalpable_a powder_n and_o mix_v well_o together_o moreover_o proceed_v as_o in_o chap._n 94_o observe_v well_o all_o circumstance_n and_o you_o will_v have_v a_o sapphire_n deep_o than_o the_o 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chap._n 94_o observe_v the_o same_o circumstance_n we_o have_v note_v on_o that_o subject_a and_o you_o will_v have_v a_o very_a fine_a granat_n fair_a than_o the_o rest_n chap._n cix_o observation_n for_o past_z and_o their_o colour_n we_o may_v have_v insert_v this_o discourse_n in_o chap._n 91_o as_o be_v the_o first_o of_o this_o book_n but_o we_o think_v it_o better_a to_o place_v it_o here_o where_o we_o will_v show_v divers_a way_n of_o make_v past_z no_o less_o fair_a than_o curious_a and_o where_o it_o will_v be_v necessary_a to_o give_v some_o little_a instruction_n to_o those_o who_o undertake_v to_o make_v they_o as_o also_o concern_v the_o degree_n of_o the_o colour_n that_o may_v be_v therein_o imitate_v the_o make_n of_o these_o past_z be_v the_o essential_a point_n of_o the_o business_n because_o on_o it_o depend_v the_o beauty_n of_o our_o artificial_a gem_n but_o the_o bake_n also_o be_v not_o of_o less_o consequence_n forasmuch_o as_o without_o that_o you_o can_v 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crucible_n they_o make_v they_o of_o the_o same_o earth_n that_o the_o pot_n for_o make_v glass_n be_v make_v of_o which_o will_v resist_v the_o fire_n long_o than_o we_o have_v occasion_n here_o for_o bake_v and_o bear_v a_o more_o violent_a fire_n than_o we_o have_v occasion_n for_o those_o of_o germany_n also_o will_v do_v very_o well_o for_o this_o business_n because_o they_o endure_v the_o fire_n better_o than_o the_o ordinary_a one_o but_o i_o will_v yet_o abridge_v all_o these_o precaution_n by_o show_v a_o easy_a way_n to_o prepare_v the_o common_a crucibles_fw-fr which_o i_o have_v see_v try_v and_o resist_v the_o fire_n a_o long_a time_n take_v a_o ordinary_a crucible_n or_o rather_o one_o of_o germany_n heat_v it_o a_o little_a in_o the_o fire_n then_o dip_v it_o into_o olive_n oil_n and_o let_v it_o soak_v a_o little_a of_o it_o in_o then_o take_v glass_n reduce_v to_o a_o impalpable_a powder_n and_o strew_v it_o all_o over_o the_o crucible_n both_o without_o and_o within_o as_o thick_a as_o you_o can_v than_o put_v it_o into_o a_o furnace_n in_o a_o small_a heat_n and_o then_o increase_v the_o fire_n to_o a_o melt_a heat_n then_o the_o glass_n will_v melt_v and_o vitrifie_v so_o well_o with_o the_o crucible_n that_o it_o will_v endure_v the_o fire_n far_o long_o than_o be_v require_v for_o our_o business_n we_o will_v also_o further_o remark_n that_o the_o colour_n we_o here_o show_v for_o past_z be_v proportional_a to_o the_o dose_n we_o give_v they_o but_o those_o who_o will_v have_v they_o deep_o or_o light_a must_v regulate_v themselves_o according_o if_o they_o make_v small_a stone_n for_o ring_n the_o colour_n must_v be_v deep_a by_o reason_n of_o their_o smallness_n if_o they_o make_v great_a the_o colour_n must_v be_v light_a but_o deep_a for_o pendant_n than_o any_o other_o the_o whole_a depend_v much_o on_o the_o fancy_n of_o the_o workman_n who_o be_v to_o proportion_v the_o dose_n of_o the_o colour_v to_o the_o work_n he_o design_n in_o speak_v of_o these_o colour_n in_o this_o chapter_n our_o design_n be_v only_o to_o show_v more_o easy_a way_n to_o those_o who_o exercise_n themselves_o herein_o for_o otherwise_o we_o have_v sufficient_o discourse_v of_o they_o in_o the_o precedent_a chapter_n as_o we_o shall_v continue_v to_o do_v in_o the_o follow_v we_o shall_v say_v nothing_o further_o here_o of_o calcine_v copper_n or_o verdigrease_n or_o zaffer_n or_o manganese_n have_v sufficient_o do_v it_o before_o but_o only_o advertise_v the_o curious_a that_o there_o may_v be_v extract_v from_o gold_n a_o very_a fine_a red_a and_o one_o a_o little_a more_o obscure_a from_o iron_n a_o excellent_a green_n from_o copper_n a_o golden_a colour_n from_o lead_n blue_a from_o silver_n but_o a_o much_o fair_a from_o granat_n of_o bohemia_n which_o be_v low_o prize_v by_o
figure_n be_v draw_v or_o impress_v thereon_o and_o this_o may_v be_v so_o far_o improve_v and_o heighten_v as_o to_o admit_v of_o performance_n rather_o to_o be_v think_v the_o essay_n of_o a_o divine_a than_o human_a artist_n witness_v that_o notable_a piece_n of_o chariot_n draw_v by_o two_o ox_n of_o which_o cardan_n take_v notice_n in_o the_o fifty_o second_o chapter_n of_o his_o ten_o book_n which_o be_v so_o complete_o do_v in_o little_a that_o the_o whole_a may_v be_v cover_v with_o the_o wing_n of_o a_o fly_n the_o ship_n rig_v and_o man_n arm_v which_o howel_n say_v he_o see_v those_o little_a statue_n of_o man_n with_o several_a other_o curiosity_n of_o figure_n vormicus_fw-la also_o assure_v of_o not_o to_o omit_v the_o church_n of_o st._n mark_v at_o venice_n where_o the_o mosaick-work_a be_v plentiful_o interlace_v with_o history_n of_o all_o sort_n distinguishable_a by_o the_o variety_n of_o colour_n and_o gilding_n and_o all_o consist_v of_o several_a different_a subject_n in_o short_a what_o account_n agricola_n have_v leave_v we_o of_o these_o matter_n in_o his_o twelve_o book_n give_v we_o no_o less_o cause_n to_o admire_v this_o art_n than_o he_o have_v when_o he_o see_v such_o notable_a piece_n of_o which_o he_o make_v mention_n and_o which_o he_o assure_v we_o be_v deserve_o very_o great_a the_o use_n of_o enamel_n be_v very_o ancient_a however_o that_o of_o work_v on_o metal_n be_v more_o modern_a and_o for_o the_o great_a perfection_n to_o which_o it_o be_v arrive_v we_o be_v oblige_v to_o this_o present_a age_n as_o we_o shall_v further_o show_v in_o the_o seven_o book_n where_o we_o will_v also_o endeavour_v to_o discover_v further_o and_o make_v great_a improvement_n therein_o chap._n cxlviii_o to_o prepare_v the_o matter_n for_o enamel_n now_o we_o proceed_v to_o show_v the_o ingredient_n by_o which_o the_o principal_a matter_n for_o enamel_n be_v prepare_v before_o the_o colour_n can_v be_v apply_v of_o which_o we_o shall_v give_v direction_n in_o the_o follow_a chapter_n take_v lead_n in_o pig_n thirty_o pound_n plate-tin_n of_o cornwall_n thirty_o three_o pound_n mix_v and_o calcine_v they_o as_o direct_v for_o lead_n in_o chap._n lxxxi_o precise_o observe_v the_o direction_n there_o lay_v down_o this_o do_v fierce_o the_o calx_fw-la and_o put_v it_o all_o into_o a_o glaze_v earthen_a pot_n fill_v with_o water_n put_v it_o over_o a_o fire_n and_o let_v it_o boil_v a_o little_a then_o take_v it_o off_o and_o pour_v the_o water_n gentle_o into_o another_o vessel_n which_o will_v carry_v along_o with_o it_o the_o more_o subtle_a calx_fw-la repeat_v this_o until_o no_o more_o of_o the_o calx_fw-la can_v be_v subtilise_v which_o you_o may_v discover_v by_o the_o pureness_n of_o the_o water_n in_o pour_v it_o out_o of_o one_o vessel_n into_o the_o other_o after_o this_o calcine_v the_o remain_n of_o what_o be_v in_o the_o first_o pot_n as_o before_o and_o thus_o continue_v to_o calcine_v and_o subtilizetill_o you_o 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 close_a dry_a place_n for_o use_n thus_o must_v your_o matter_n for_o enamel_n be_v prepare_v to_o receive_v the_o colour_n but_o of_o that_o more_o hereafter_o chap._n cxlix_o to_o make_v enamel_n of_o a_o milkwhite_a colour_n this_o colour_n of_o all_o other_o be_v the_o pure_a it_o be_v use_v for_o the_o ornament_n of_o virginity_n the_o emblem_n of_o innocence_n as_o also_o the_o symbol_n of_o candour_n and_o chastity_n nay_o more_o we_o may_v even_o from_o it_o form_n a_o pretty_a and_o impressive_a idea_n of_o the_o brightness_n and_o excellency_n of_o faith_n and_o it_o be_v what_o have_v ever_o be_v esteem_v and_o revere_v by_o all_o nation_n we_o have_v already_o show_v how_o to_o thing_fw-mi glass_n of_o this_o colour_n in_o chap._n lxx_o of_o the_o three_o book_n and_o now_o we_o will_v show_v how_o to_o perform_v the_o like_a on_o enamel_n with_o no_o less_o beauty_n and_o very_o easy_o thus_o take_v six_o pound_n of_o our_o prepare_a powder_n in_o the_o former_a chapter_n and_o forty_o eight_o grain_n of_o magnese_n of_o piedmont_n prepare_v as_o in_o chap._n xviii_o put_v they_o will_v together_o into_o one_o of_o your_o furnace-pot_n to_o melt_v and_o purify_v over_o a_o very_a swift_a fire_n which_o will_v be_v do_v in_o a_o little_a time_n the_o matter_n be_v thus_o melt_v take_v it_o out_o of_o the_o pot_n and_o throw_v it_o into_o very_o fair_a water_n and_o be_v afterward_o dry_v put_v it_o again_o into_o the_o pot_n to_o melt_v do_v thus_o with_o it_o thrice_o change_v the_o water_n when_o you_o have_v thus_o purify_v it_o if_o you_o find_v it_o just_o white_a it_o be_v good_a but_o if_o it_o be_v greenish_a add_v a_o little_a more_o magnese_n and_o it_o will_v become_v white_a as_o milk_n and_o fit_a enamel_n for_o gold_n or_o other_o metal_n take_v it_o off_o the_o fire_n and_o make_v it_o up_o into_o cake_n and_o keep_v they_o for_o use_v chap._n cl._n a_o turcoise-blue_a enamel_n this_o colour_n of_o the_o turcois_n or_o turkey-stone_n be_v very_o fine_a for_o enamel_n but_o withal_o very_o difficult_a to_o make_v well_o and_o require_v a_o great_a deal_n of_o experience_n now_o it_o be_v sufficient_o know_v that_o practice_n will_v at_o length_n make_v the_o most_o uneasy_a beginner_n master_n of_o their_o trade_n therefore_o we_o must_v not_o be_v discourage_v if_o we_o fail_v in_o our_o first_o trial_n because_o by_o continue_v to_o repeat_v they_o we_o shall_v at_o length_n be_v sure_a to_o perform_v well_o it_o be_v always_o suppose_v you_o understand_v your_o undertake_n and_o be_v sufficient_o qualify_v to_o distinguish_v when_o you_o be_v in_o the_o right_n or_o wrong_n or_o you_o can_v never_o hope_v to_o succeed_v for_o this_o cause_n we_o ought_v not_o to_o stand_v doze_v on_o every_o unsuccess_n for_o nature_n which_o never_o fail_v will_v still_o be_v ready_a to_o inform_v we_o provide_v we_o have_v judgement_n enough_o to_o determine_v her_o precept_n though_o we_o have_v take_v occasion_n from_o the_o turcois_n to_o make_v this_o digression_n here_o it_o may_v nevertheless_o be_v a_o convenient_a enough_o consideration_n in_o case_n of_o a_o sublime_a nature_n even_o in_o all_o the_o undertake_n of_o man._n since_o we_o be_v so_o natural_o apt_a to_o be_v impatient_a and_o disturb_v if_o we_o can_v effect_v those_o matter_n in_o as_o it_o be_v a_o moment_n of_o time_n which_o nature_n itself_o take_v a_o whole_a age_n to_o perform_v and_o this_o be_v what_o most_o arrest_v the_o accomplishment_n of_o our_o great_a design_n and_o impose_v on_o we_o a_o seem_a impossibility_n in_o the_o most_o easy_a thing_n thus_o obscurity_n interpose_v in_o the_o bright_a essay_n of_o the_o sun_n and_o we_o can_v enjoy_v one_o day_n though_o never_o so_o serene_a and_o fair_a that_o be_v not_o more_o or_o less_o over-shadowed_n with_o cloud_n thus_o far_o i_o have_v make_v my_o attempt_n on_o this_o thought_n which_o i_o hope_v the_o learned_a will_v free_o pardon_v because_o i_o have_v discourse_v nothing_o but_o truth_n and_o what_o they_o already_o be_v much_o more_o familiar_a with_o and_o satisfy_v of_o but_o now_o for_o our_o enamel_n which_o to_o make_v of_o this_o turcois_fw-fr 〈◊〉_d you_o must_v put_v of_o our_o prepare_a powder_n chap._n cxlâ—â—â—â—_n six_o pound_n into_o a_o white_a glaze_v pot_n to_o melt_v and_o purify_v it_o then_o cast_v it_o into_o water_n and_o when_o dry_a put_v it_o again_o into_o the_o pot_n and_o be_v melt_v over_o again_o add_v to_o it_o at_o four_o time_n this_o composition_n scale_n of_o copper_n thrice_o calcine_v as_o in_o chap._n xxxiv_o three_o ounce_n of_o prepare_a zaffer_n eighty_o six_o grain_n of_o 〈◊〉_d prepare_v as_o in_o book_n i._n forty_o eight_o grain_n all_o these_o mix_v and_o reduce_v into_o a_o very_a fine_a powder_n stir_v the_o matter_n
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
renew_v and_o revise_v the_o table_n be_v do_v in_o limn_v with_o oil_n and_o the_o painter_n observe_v that_o the_o piece_n must_v not_o be_v handle_v until_o they_o be_v well_o dry_v in_o the_o air_n so_o those_o in_o enamel_n must_v be_v let_v alone_o until_o they_o receive_v their_o perfection_n from_o the_o fire_n this_o be_v all_o to_o be_v observe_v in_o paint_v on_o enamel_n it_o remain_v only_o for_o we_o to_o show_v how_o to_o prepare_v your_o dark_a red_a for_o trace_v the_o design_n you_o may_v have_v it_o thus_o take_v the_o caput_fw-la mortuum_n which_o remain_v in_o the_o retort_n after_o the_o aquafortis_n be_v make_v of_o your_o vitriol_n and_o nitre_n grind_v it_o with_o oil_n of_o spike_n and_o so_o you_o have_v the_o dark_a red_a ready_a for_o your_o use_n or_o you_o may_v make_v it_o with_o crocus_n martis_n ground_n with_o oil_n of_o spike_n the_o end_n of_o the_o seven_o book_n of_o the_o art_n of_o glass_n book_n viii_o contain_v the_o way_n to_o make_v china_n or_o fine_a earthen_a ware_n how_o to_o enamel_n paint_v and_o gilled_a they_o chap._n cxciii_o porcelaine_v fayence_n china_n or_o fine_a earthenware_n be_v enamel_v with_o our_o white_a stuff_n which_o we_o have_v already_o prescribe_v for_o metal_n and_o its_o paint_v the_o same_o and_o of_o such_o colour_n as_o we_o have_v propose_v for_o enamel_n in_o the_o forego_n book_n and_o this_o oblige_v we_o to_o discourse_v thereof_o in_o this_o our_o eight_o book_n the_o custom_n of_o enamel_v on_o ware_n be_v of_o great_a antiquity_n than_o that_o on_o metal_n for_o in_o the_o time_n of_o porcenna_n who_o generous_o undertake_v the_o restauration_n of_o tarquin_n to_o the_o roman_a government_n in_o the_o consulate_a of_o valer._n publicola_n and_o horat._n pulvilius_fw-la ann._n mund._o 3444_o five_o hundred_o and_o four_o year_n before_o the_o come_n of_o jesus_n christ_n or_o thereabouts_o the_o practice_n of_o enamel_v on_o be_v be_v use_v in_o the_o estate_n of_o that_o prince_n and_o what_o give_v we_o very_o good_a reason_n to_o believe_v this_o be_v the_o name_n porcelaine_n which_o have_v a_o affinity_n to_o porcenna_n though_o alter_v by_o the_o corruption_n of_o time_n so_o it_o be_v also_o call_v fayence_n from_o fayence_n in_o the_o duchy_n of_o urbin_n where_o in_o the_o time_n of_o michael_n ange_n and_o raphael_n vrbain_n this_o art_n be_v practise_v and_o as_o the_o secret_n of_o nature_n be_v daily_o more_o and_o more_o discover_v so_o have_v time_n employ_v the_o invention_n of_o man_n to_o improve_v this_o and_o make_v it_o more_o excellent_a not_o only_o condescend_v to_o enamel_v but_o proceed_v also_o to_o paint_v and_o pourtray_v thereon_o several_a curiosity_n to_o which_o at_o length_n be_v add_v the_o ornament_n of_o gilding_n these_o piece_n of_o ware_n be_v of_o a_o very_a general_a use_n over_o all_o the_o world_n as_o for_o ornament_n over_o chimney-piece_n on_o cabinet_n and_o table_n or_o board_n the_o choice_a come_v in_o we_o from_o china_n and_o next_o to_o those_o be_v do_v at_o st._n cloud_n and_o roven_n but_o there_o be_v very_o good_a make_v in_o holland_n at_o 〈◊〉_d in_o italy_n and_o several_a other_o place_n in_o france_n the_o paint_n and_o enamel_v on_o these_o be_v what_o we_o be_v proper_o oblige_v to_o take_v notice_n of_o in_o our_o art_n however_o we_o shall_v slight_o touch_v upon_o the_o composition_n and_o mould_v the_o ware_n and_o for_o this_o we_o will_v prescribe_v fine_a and_o delicate_a method_n sufficient_a enough_o to_o answer_v the_o satisfaction_n of_o such_o as_o employ_v themselves_o in_o this_o art_n and_o of_o those_o person_n who_o curiosity_n lead_v they_o to_o inquire_v after_o thing_n whereof_o they_o be_v not_o already_o inform_v chap._n cxciv_o the_o furnace_n for_o make_v of_o china_n must_v be_v large_a with_o a_o open_v proportion_v to_o the_o vessel_n you_o be_v to_o place_v therein_o of_o these_o there_o be_v several_a sort_n but_o the_o most_o commodious_a must_v be_v make_v as_o follow_v you_o may_v shape_v this_o furnace_n round_o or_o square_a but_o the_o square_n be_v best_a because_o of_o the_o open_v it_o must_v be_v make_v of_o good_a brick_n and_o such_o stuff_n as_o can_n most_o endure_v the_o fire_n of_o what_o bigness_n you_o please_v with_o three_o division_n the_o low_a for_o the_o ash_n must_v be_v a_o foot_n high_a that_o the_o air_n may_v be_v communicate_v through_o its_o open_v to_o the_o fire_n the_o middle_a story_n be_v for_o the_o fire_n and_o must_v be_v underlie_v with_o a_o very_a good_a grate_n to_o separate_v it_o from_o the_o under_o story_n with_o a_o open_v for_o the_o fuel_n and_o be_v vault_v above_o about_o a_o foot_n in_o height_n according_a to_o the_o size_n of_o your_o furnace_n this_o vault_n must_v be_v make_v like_o that_o of_o a_o oven_n and_o have_v a_o hole_n in_o the_o middle_n of_o the_o same_o shape_n as_o the_o furnace_n round_o or_o square_a and_o proportion_v to_o its_o bigness_n through_o which_o the_o flame_n may_v transmit_v itself_o to_o the_o uppermost_a story_n where_o the_o vessel_n be_v put_v to_o bake_v in_o this_o last_o story_n be_v to_o be_v at_o least_o two_o foot_n high_a and_o its_o open_v fourteen_o or_o fifteen_o inch_n to_o put_v and_o draw_v the_o vessel_n easy_o in_o and_o out_o the_o top_n must_v be_v vault_v too_o with_o such_o a_o round_a or_o square_a hole_n and_o over_o that_o a_o funnel_n for_o the_o conveniency_n of_o the_o flame_n and_o smoke_n which_o it_o draw_v out_o all_o the_o open_v especial_o the_o two_o uppermost_a must_v be_v of_o strong_a brick_n or_o crucible_n earth_n or_o rather_o of_o iron_n well_o lute_v within_o side_n which_o must_v shut_v and_o open_v easy_o and_o be_v very_o exact_a and_o sit_v that_o the_o fire_n may_v not_o suck_v in_o any_o cold_a air_n which_o may_v break_v the_o vessel_n this_o furnace_n will_v serve_v also_o for_o many_o other_o use_n as_o to_o melt_v reverberate_a calcine_v cement_n and_o several_a sort_n of_o work_n in_o the_o laboratory_n of_o chemistry_n because_o in_o it_o all_o the_o degree_n of_o fire_n may_v be_v find_v by_o the_o help_n of_o the_o low_a open_v and_o the_o funnel_n of_o the_o chimney_n you_o may_v else_o for_o bake_v your_o china_n make_v use_n of_o the_o furnace_n hereafter_o describe_v in_o chap._n 202._o where_o we_o discourse_n of_o paint_v on_o glass_n put_v thereinto_o your_o vessel_n of_o crucible-earth_n for_o bake_v the_o ware_n in_o and_o then_o cover_v over_o with_o a_o vault_a coverlid_n with_o a_o hole_n at_o top_n to_o let_v out_o the_o flame_n and_o smoke_n of_o the_o reverberatory_n fire_n for_o this_o reason_n there_o will_v be_v no_o occasion_n in_o this_o sort_n of_o furnace_n for_o any_o other_o open_v because_o the_o bake_n vessel_n with_o your_o ware_n be_v put_v in_o a_o top_n before_o the_o coverlid_n be_v lay_v on_o and_o so_o the_o fire_n circulate_v about_o it_o and_o it_o become_v very_o red_a whereby_o the_o china-ware_n be_v bake_v as_o be_v do_v in_o bake_v of_o pipe_n chap._n cxcu._n to_o make_v your_o stuff_n for_o china-ware_n the_o composition_n for_o this_o must_v be_v very_o fine_a because_o of_o the_o ware_n and_o not_o such_o as_o be_v use_v for_o ordinary_a vessel_n we_o will_v therefore_o prescribe_v the_o manner_n of_o make_v it_o to_o prevent_v the_o unsuccessful_a attempt_n of_o such_o as_o may_v be_v ignorant_a for_o this_o you_o must_v take_v of_o shell_n of_o every_o sort_n which_o be_v white_a and_o transparent_a grind_v they_o well_o on_o a_o marble_n then_o searce_a and_o reduce_v they_o to_o a_o impalpable_a powder_n to_o make_v your_o paste_n of_o this_o powder_n first_o dissolve_v a_o ounce_n of_o very_a white_a gum-arabic_n in_o a_o pail_n of_o water_n when_o it_o be_v well_o dissolve_v and_o mix_v with_o the_o water_n dissolve_v therein_o about_o a_o quarter_n as_o much_o quicklime_n as_o your_o powder_n weigh_v then_o stir_v and_o mix_v it_o very_o well_o and_o afterward_o put_v 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make_v a_o modern_a author_n merry_o say_v that_o it_o make_v wine_n smile_v to_o see_v itself_o cherish_v in_o the_o bosom_n of_o its_o most_o mortal_a enemy_n monzerus_fw-la tell_v we_o that_o when_o looking-glass_n be_v first_o invent_v they_o be_v sell_v very_o dear_a as_o if_o they_o have_v be_v make_v of_o some_o precious_a matter_n and_o also_o by_o reason_n people_n take_v so_o much_o pleasure_n in_o see_v themselves_o so_o lively_o picture_v to_o this_o we_o may_v add_v that_o it_o be_v not_o above_o 200_o year_n since_o they_o come_v first_o to_o be_v in_o use_n and_o that_o the_o way_n of_o make_v they_o be_v find_v out_o by_o a_o certain_a person_n who_o melt_v some_o glass_n in_o a_o crucible_n chance_v to_o spill_v it_o on_o the_o ground_n where_o it_o run_v under_o a_o great_a square_a tile_n wherewith_o the_o floor_n be_v pave_v oblige_v the_o workman_n to_o take_v it_o up_o where_o he_o find_v it_o in_o form_n of_o a_o looking-glass-plate_n which_o can_v not_o have_v be_v so_o form_v by_o the_o ordinary_a way_n of_o blow_v which_o begin_v to_o employ_v his_o thought_n all_o that_o night_n and_o thence_o he_o conceive_v that_o glass_n may_v be_v run_v into_o plate_n like_o metal_n which_o he_o begin_v to_o experiment_n from_o that_o day_n forward_o and_o so_o he_o find_v out_o the_o way_n to_o those_o consequence_n which_o mere_a chance_n be_v the_o first_o occasion_n of_o as_o it_o have_v be_v also_o before_o of_o the_o very_a matter_n whereof_o this_o metal_n be_v compose_v as_o we_o shall_v hereafter_o show_v the_o use_n of_o glass_n be_v so_o ancient_a that_o it_o be_v difficult_a to_o assign_v the_o time_n of_o its_o first_o invention_n pliny_n pretend_v that_o it_o be_v in_o the_o city_n of_o sidon_n that_o the_o first_o vessel_n of_o glass_n be_v make_v as_o may_v be_v see_v in_o the_o 26_o the_o chap._n of_o his_o 36_o the_o book_n other_o affirm_v its_o origin_n must_v be_v as_o ancient_a as_o brick_n by_o reason_n one_o can_v scarce_o 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of_o the_o heavenly_a city_n whereof_o he_o give_v the_o description_n chap._n 20â—_n ver._n 18._o he_o say_v and_o the_o build_n of_o the_o wall_n of_o it_o be_v 〈◊〉_d jasper_n and_o the_o city_n be_v of_o pure_a gold_n like_v unto_o clear_a glass_n and_o at_o the_o 21._o verse_n and_o the_o twelve_o gate_n be_v twelve_o pearl_n every_o gate_n be_v of_o one_o pearl_n and_o the_o street_n of_o the_o city_n be_v pure_a gold_n as_o it_o be_v transparent_a glass_n that_o be_v to_o say_v a_o glass_n of_o gold_n or_o more_o proper_o gold_n vitrify_v which_o be_v that_o electrum_n of_o ezechiel_n whereof_o st._n jerome_n make_v mention_v i_o may_v strengthen_v it_o yet_o further_o by_o a_o passage_n out_o of_o job_n chap._n 28._o ver_fw-la 17._o where_o speak_v of_o the_o wisdom_n of_o god_n he_o say_v the_o gold_n and_o crystal_n can_v equal_v it_o which_o do_v not_o only_o show_v we_o the_o antiquity_n of_o glass_n but_o also_o in_o what_o esteem_n it_o be_v have_v in_o those_o day_n be_v 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which_o moses_n also_o shut_v up_o in_o the_o ark_n of_o the_o covenant_n and_o which_o be_v call_v the_o glory_n of_o god_n shine_v in_o the_o night_n like_o a_o burn_a fire_n or_o like_o a_o bright_a and_o and_o shine_a star_n which_o give_v light_n by_o day_n as_o you_o may_v see_v in_o number_n this_o it_o be_v which_o these_o author_n mean_v and_o understand_v but_o which_o no_o other_o can_v comprehend_v unless_o it_o be_v the_o true_a philosopher_n we_o design_v to_o treat_v more_o large_o thereof_o in_o our_o next_o work_n entitle_v the_o mystical_a character_n of_o antiquity_n unveil_v and_o lay_v open_a wherein_o we_o will_v make_v it_o appear_v that_o of_o those_o character_n be_v compose_v the_o two_o table_n of_o the_o law_n which_o be_v afterward_o put_v into_o the_o ark_n and_o which_o be_v the_o two_o precious_a stone_n which_o serve_v at_o present_a for_o guide_n to_o the_o wise_a among_o the_o philosopher_n as_o they_o do_v heretofore_o for_o figure_n to_o the_o 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this_o distinction_n that_o that_o of_o nature_n vivify_v or_o enlivens_fw-la and_o that_o of_o art_n resolve_v and_o destroy_v especial_o when_o it_o be_v too_o vehement_a but_o he_o who_o know_v how_o to_o direct_v and_o manage_v it_o may_v make_v good_a use_n of_o it_o for_o the_o separation_n and_o perfection_n of_o the_o matter_n wherein_o he_o work_v whence_o it_o very_o often_o happen_v that_o several_a person_n seek_v that_o which_o they_o can_v find_v and_o find_v that_o which_o they_o do_v not_o seek_v wherefore_o we_o may_v true_o say_v that_o most_o part_n of_o our_o best_a invention_n and_o secret_n have_v be_v find_v out_o by_o mere_a chance_n and_o as_o it_o be_v hazard_v of_o art_n the_o great_a hermes_n be_v not_o ignorant_a of_o the_o art_n of_o make_v glass_n since_o he_o teach_v the_o knowledge_n of_o it_o to_o the_o egyptian_a chemist_n but_o not_o that_o of_o the_o transmutation_n of_o metal_n though_o he_o possess_v it_o as_o kircher_n tell_v in_o his_o oedipus_n that_o since_o that_o time_n that_o people_n have_v always_o profess_v this_o art_n in_o which_o they_o be_v so_o expert_a that_o flavius_n vopiscus_n speak_v of_o alexandria_n tell_v we_o it_o be_v very_o rich_a and_o fruitful_a in_o corn_n and_o that_o no_o one_o be_v there_o idle_a one_o part_n of_o the_o poor_a make_v glass_n and_o the_o other_o paper_n we_o have_v another_o evidence_n of_o the_o antiquity_n of_o glass_n in_o the_o 4_o the_o book_n of_o lucretius_n but_o the_o most_o part_n of_o historian_n attribute_v the_o invention_n of_o it_o to_o the_o alchemist_n who_o by_o endeavour_v to_o counterfeit_v precious_a stone_n find_v out_o this_o secret_n it_o be_v to_o these_o great_a man_n indeed_o we_o be_v oblige_v
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 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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
no_o part_n of_o the_o lead_v sink_v to_o the_o bottom_n of_o the_o pot_n wherein_o it_o be_v cast_v for_o it_o will_v break_v it_o if_o speedy_a care_n be_v not_o take_v to_o take_v up_o again_o what_o be_v precipitate_v this_o glass_n thus_o wash_v and_o after_o dry_a aught_o to_o be_v put_v in_o the_o pot_n again_o to_o be_v melt_v and_o purify_v during_o the_o space_n of_o one_o day_n than_o you_o must_v add_v a_o little_a of_o the_o caput_fw-la mortuum_n of_o vitriol_n of_o venus_n without_o corrosive_n whereof_o we_o have_v speak_v chap._n 45._o with_o a_o little_a crocus_n martis_n stir_v the_o metal_n and_o moreover_o proceed_v as_o we_o have_v show_v in_o the_o precede_a chapter_n then_o you_o will_v have_v a_o admirable_a oriental_a emerald_n green_n which_o may_v be_v wrought_v as_o you_o please_v the_o minium_n or_o red-lead_a we_o speak_v of_o may_v be_v have_v at_o any_o drugster_n yet_o you_o may_v make_v it_o with_o common_a mineral_n lead_v which_o be_v better_o in_o this_o operation_n than_o that_o in_o pig_n and_o cheap_a pound_v it_o well_o then_o calcine_v it_o at_o a_o good_a fire_n and_o it_o will_v be_v reduce_v to_o a_o red_a powder_n chap._n l._n the_o way_n of_o make_v turcois_n blue_a a_o particular_a colour_n in_o this_o art_n we_o ought_v to_o have_v put_v this_o colour_n of_o turcois_n after_o the_o blue_n and_o before_o the_o green_a but_o because_o it_o be_v a_o particular_a and_o principal_a colour_n we_o think_v it_o will_v not_o be_v amiss_o to_o conclude_v this_o book_n with_o it_o for_o this_o colour_n take_v a_o pot_n full_a of_o crystal_n fritt_n tinge_v of_o a_o aqua-marina_n colour_n or_o blue_n whereof_o we_o have_v give_v several_a preparation_n which_o colour_n must_v be_v fair_a and_o full_a for_o all_o depend_v on_o that_o it_o be_v well_o melt_v put_v into_o it_o little_a by_o little_a sea-salt_n decrepitate_v white_a and_o reduce_v to_o powder_n mix_v it_o well_o and_o soft_o as_o we_o have_v note_v in_o speak_v of_o other_o metalline_a colour_n and_o the_o blue_n from_o clear_a and_o transparent_a will_v become_v thick_a for_o the_o salt_n penetrate_v the_o glass_n take_v away_o its_o transparency_n and_o cause_v a_o paleness_n hence_o alone_o come_v the_o turcois_n colour_v use_v in_o glass_n when_o the_o colour_n be_v right_a to_o the_o workman_n fancy_n it_o must_v be_v present_o wrought_v for_o the_o salt_n will_v evaporate_v and_o make_v the_o glass_n transparent_a and_o disagreeable_a if_o in_o work_v this_o metal_n the_o colour_n fade_v or_o go_v off_o you_o must_v add_v a_o little_a more_o of_o the_o same_o decrepitate_v salt_n as_o before_o and_o the_o colour_n will_v return_v we_o will_v here_o advertise_v the_o workman_n that_o he_o must_v take_v care_n that_o his_o salt_n be_v well_o decrepitate_v otherwise_o it_o will_v always_o crackle_v and_o be_v apt_a to_o fly_v in_o his_o eye_n and_o endanger_v his_o sight_n you_o must_v as_o i_o have_v say_v put_v in_o the_o salt_n by_o interval_n till_o the_o colour_n please_v you_o it_o will_v suffice_v for_o this_o use_n that_o the_o fritt_v tinge_v aqua-marina_n or_o blue_n be_v make_v of_o one_o half_a crystal_n metal_n and_o the_o other_o of_o rochetta_n and_o the_o colour_n will_v be_v very_o fair_a and_o good_a the_o end_n of_o the_o first_o book_n of_o the_o art_n of_o glass_n book_n ii_o chap._n li._n wherein_o be_v show_v the_o art_n of_o make_v chalcedony_n of_o the_o colour_n of_o agat_n and_o oriental_a jasper_n with_o the_o way_n to_o prepare_v all_o colour_n for_o this_o purpose_n to_o make_v aquafortis_n and_o regalis_fw-la necessary_a in_o this_o business_n the_o way_n of_o prepare_v and_o calcine_v tartar_n and_o unite_n it_o with_o the_o red_a colour_n of_o its_o own_o kind_n call_v by_o the_o italian_n rosichiero_n which_o produce_v glass_n of_o many_o colour_n with_o undulation_n in_o they_o very_o pleasant_a to_o behold_v and_o give_v it_o a_o opacity_n like_o oriental_a stone_n before_o i_o proceed_v to_o the_o explication_n of_o these_o preparation_n it_o will_v be_v necessary_a to_o show_v those_o of_o some_o mineral_n use_v for_o such_o composition_n and_o although_o one_o may_v buy_v several_a of_o they_o public_o ready_o make_v yet_o our_o design_n be_v to_o make_v this_o work_n as_o perfect_a as_o we_o can_v it_o will_v be_v necessary_a that_o we_o show_v the_o chemical_a way_n of_o prepare_v they_o after_o the_o best_a manner_n by_o which_o the_o curious_a in_o this_o art_n may_v do_v it_o themselves_o for_o less_o charge_n than_o they_o can_v buy_v they_o there_o be_v no_o doubt_n but_o that_o the_o metalline_a matter_n make_v use_v of_o to_o thing_fw-mi glass_n may_v give_v it_o several_a colour_n more_o lively_a and_o bright_a than_o any_o it_o receive_v in_o the_o ordinary_a furnace_n when_o these_o matter_n be_v artful_o prepare_v and_o their_o metalline_a colour_n be_v choice_o pick_v out_o and_o collect_v and_o well_o purify_v from_o heterogeneous_a matter_n which_o hinder_v the_o communication_n of_o their_o tincture_n to_o the_o glass_n the_o colour_n of_o chalcedony_n or_o rather_o the_o matter_n whereof_o it_o be_v make_v be_v nothing_o but_o a_o amassement_n of_o several_a colour_n which_o may_v be_v make_v in_o glass_n and_o which_o many_o be_v not_o acquaint_v with_o we_o will_v show_v the_o whole_a process_n and_o the_o way_n of_o well_o succeed_a in_o it_o it_o be_v most_o certain_a that_o all_o the_o colour_n we_o can_v extract_v will_v never_o give_v that_o beauty_n and_o splendour_n to_o glass_n which_o be_v desire_v if_o they_o be_v not_o well_o prepare_v you_o must_v therefore_o for_o this_o purpose_n well_o calcine_v and_o dissolve_v the_o metal_n with_o aqua_fw-la fortis_fw-la you_o must_v open_v the_o copper_n sulphur_n vitriol_n and_o sal_fw-la ammoniac_a and_o other_o mineral_n with_o a_o great_a deal_n of_o patience_n and_o prepare_v they_o at_o a_o gentle_a fire_n the_o violence_n of_o the_o fire_n be_v very_o noxious_a in_o this_o affair_n as_o well_o as_o in_o other_o which_o very_o often_o render_v operation_n defective_a which_o otherwise_o will_v succeed_v well_o among_o those_o who_o be_v impatient_a or_o ignorant_a you_o must_v observe_v regularity_n in_o all_o those_o case_n we_o shall_v treat_v of_o and_o exact_a proportion_n of_o the_o dose_n and_o put_v they_o in_o in_o fit_a and_o due_a time_n otherwise_o the_o process_n will_v miscarry_v especial_o in_o the_o red_a colour_n whereof_o we_o treat_v in_o the_o 8_o book_n and_o in_o the_o tartar_n that_o it_o may_v be_v perfect_o calcine_v you_o must_v yet_o further_o observe_v that_o the_o metal_n be_v well_o boil_v well_o purify_v and_o make_v fit_a for_o work_v then_o proceed_v in_o it_o as_o diligent_a workman_n ought_v to_o do_v thus_o you_o may_v perfect_o imitate_v agate_n oriental_a chalcedony_n with_o the_o fair_a and_o most_o beautiful_a colour_n and_o waving_n so_o lively_a and_o full_a that_o it_o will_v seem_v as_o if_o nature_n herself_o can_v not_o arrive_v to_o the_o like_a perfection_n or_o be_v imitate_v it_o yet_o experience_n show_v we_o that_o in_o several_a thing_n and_o in_o particular_a in_o this_o art_n of_o colour_v glass_n that_o art_n can_v only_o imitate_v nature_n but_o also_o far_o surpass_v she_o the_o eye_n and_o fancy_n shall_v be_v judge_n in_o the_o three_o way_n which_o we_o will_v show_v where_o every_o thing_n shall_v appear_v so_o distinct_o that_o the_o curious_a shall_v easy_o understand_v it_o and_o all_o that_o will_v apply_v themselves_o to_o it_o may_v succeed_v therein_o if_o they_o do_v not_o deviate_v from_o these_o precept_n if_o they_o be_v well_o put_v in_o practice_n you_o will_v find_v more_o than_o we_o can_v tell_v you_o chap._n lii_o the_o way_n to_o prepare_v aquafortis_n which_o dissolve_v silver_n and_o quicksilver_n there_o be_v several_a sort_n of_o aqua-fortis's_a prepare_v after_o different_a manner_n appropriate_v to_o the_o different_a use_v they_o be_v design_v for_o but_o all_o of_o they_o always_o with_o salt-petre_n or_o nitre_n which_o be_v the_o principal_a ingredient_n in_o aquafortis_n that_o we_o shall_v here_o treat_v of_o be_v not_o a_o ordinary_a one_o may_v pass_v for_o one_o of_o those_o that_o have_v a_o peculiar_a composition_n for_o this_o water_n take_v 1_o pound_n of_o nitre_n or_o salt-petre_n refine_v three_o pound_n of_o roch-allom_n calcine_v on_o the_o fireshovel_n and_o four_o ounce_n of_o crystalline_a arsenic_n the_o whole_a reduce_v into_o powder_n to_o which_o add_v seven_o ounce_n of_o lime_n fine_a sand_n and_o have_v well_o mix_v the_o whole_a composition_n put_v it_o into_o a_o glass_n cucurbit_n always_o leave_v â…“_n part_n of_o it_o empty_v â…”_n be_v fill_v lute_n the_o cucurbit_n well_o with_o a_o strong_a lute_n whereof_o we_o will_v give_v you_o the_o preparation_n at_o the_o end_n
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
calcine_v natural_a or_o rock_n crystal_n to_o make_v a_o extraordinary_a fritt_n although_o we_o may_v imitate_v natural_a crystal_n by_o help_n of_o art_n and_o make_v as_o fine_a with_o the_o material_n we_o have_v show_v how_o to_o prepare_v yet_o the_o way_n we_o be_v go_v now_o to_o describe_v of_o make_v a_o fritt_n of_o natural_a crystal_n will_v make_v one_o so_o extraordinary_a that_o it_o will_v surpass_v in_o beauty_n all_o we_o have_v yet_o show_v the_o preparation_n of_o make_v natural_a crystal_n red_a hot_a in_o a_o crucible_n cover_v close_o then_o extinguish_v it_o in_o water_n and_o reiterate_v the_o same_o eight_o time_n then_o dry_v it_o well_o and_o grind_v it_o on_o a_o porphyry_n stone_n to_o a_o impalpable_a powder_n often_o purify_v this_o powder_n of_o crystal_n after_o the_o same_o way_n we_o have_v show_v to_o purify_v polverine_n of_o rochetta_n in_o chap._n 7_o observing_z all_z we_o have_v say_v on_o that_o subject_a then_o mix_v that_o crystalline_a matter_n with_o about_o one_o three_o part_n of_o salt_n extract_v from_o polverine_n of_o rochetta_n prepare_v as_o in_o chap._n 7_o make_v a_o fritt_n of_o it_o than_o put_v it_o into_o a_o pot_n well_o heat_v in_o the_o furnace_n and_o when_o it_o be_v in_o good_a fusion_n add_v to_o it_o a_o proportionable_a do_v of_o prepare_a manganese_n of_o chap._n 17._o after_o that_o often_o cast_v it_o into_o the_o water_n to_o purify_v as_o we_o have_v note_v in_o ordinary_a crystal_n and_o purify_v it_o very_o well_o at_o the_o fire_n before_o you_o work_v it_o as_o we_o have_v elsewhere_o hint_v then_o you_o will_v have_v a_o crystal_n more_o beautiful_a and_o shine_a than_o you_o have_v otherwise_o ever_o see_v chap._n lxxvii_o to_o make_v pearl_n colour_n in_o crystal_n true_a pearl_n colour_n be_v so_o fine_a and_o shine_a that_o it_o may_v seem_v difficult_a to_o give_v it_o to_o crystal_n yet_o it_o be_v so_o easy_a that_o tartar_n alone_o do_v it_o those_o who_o have_v a_o mind_n to_o perform_v this_o process_n must_v calcine_v their_o tartar_n till_o it_o become_v white_a as_o we_o have_v show_v at_o the_o end_n of_o chap._n 5_o then_o have_v well_o purify_v the_o fritt_n of_o the_o natural_a crystal_n whereof_o we_o have_v speak_v in_o the_o precede_a chapter_n and_o be_v in_o a_o good_a fusion_n in_o the_o furnace_n you_o must_v cast_v into_o it_o this_o white_a tartar_n at_o several_a time_n mix_v the_o whole_a well_o each_o time_n which_o must_v be_v continue_v to_o be_v do_v till_o the_o glass_n become_v of_o a_o pearl_n colour_n for_o there_o be_v no_o other_o rule_n in_o this_o case_n than_o experience_n to_o guide_v yourself_o by_o when_o the_o colour_n be_v come_v to_o perfection_n and_o the_o workman_n like_v it_o he_o must_v present_o work_v it_o because_o it_o will_v be_v soon_o lose_v as_o experience_n testify_v and_o you_o may_v make_v of_o it_o work_v of_o a_o extraordinary_a beauty_n chap._n lxxviii_o the_o way_n to_o thing_fw-mi natural_a crystal_n of_o a_o viper_n colour_n the_o green_a viper_n colour_n be_v not_o disagreeable_a but_o it_o be_v very_o dangerous_a to_o make_v by_o reason_n of_o the_o material_n whereof_o it_o be_v compose_v if_o you_o be_v not_o very_o careful_a in_o make_v it_o take_v two_o ounce_n of_o rock_n crystal_n of_o a_o good_a water_n two_o ounce_n of_o crude_a antimony_n and_o as_o much_o orpiment_n with_o one_o ounce_n of_o sal-armoniack_a reduce_v these_o three_o last_o into_o powder_n stratifie_v with_o these_o powder_n the_o piece_n of_o crystal_n in_o a_o good_a crucible_n cover_v it_o with_o another_o that_o be_v bore_v through_o the_o bottom_n lute_n they_o well_o together_o and_o when_o the_o lute_n be_v dry_a put_v they_o in_o the_o middle_n of_o the_o coal_n in_o a_o furnace_n let_v they_o be_v gentle_o light_v that_o the_o crucible_n may_v grow_v hot_a by_o degree_n it_o will_v smoke_v very_o much_o when_o it_o first_o grow_v hot_a wherefore_o this_o operation_n must_v be_v make_v in_o a_o large_a chimney_n that_o the_o smoke_n may_v fly_v away_o and_o you_o must_v go_v out_o of_o the_o laboratory_n because_o it_o be_v very_o dangerous_a and_o may_v prove_v mortal_a let_v the_o fire_n kindle_v of_o itself_o and_o the_o crucible_n grow_v cold_a then_o take_v out_o the_o piece_n of_o crystal_n which_o lie_v on_o the_o top_n of_o the_o crucible_n which_o will_v have_v the_o colour_n of_o ruby_n and_o be_v mark_v with_o fine_a spot_n and_o those_o which_o be_v at_o the_o bottom_n will_v for_o the_o most_o part_n have_v the_o colour_n of_o viper_n separate_a the_o other_o piece_n from_o they_o which_o will_v be_v of_o other_o colour_n and_o polish_v the_o whole_a at_o the_o wheel_n like_o other_o stone_n then_o with_o foil_n you_o may_v set_v they_o in_o gold_n these_o stone_n will_v be_v of_o a_o very_a agreeable_a colour_n you_o may_v thing_fw-mi a_o great_a number_n together_o but_o that_o will_v be_v more_o chargeable_a chap._n lxxix_o to_o make_v in_o natural_a crystal_n the_o colour_n of_o ruby_n topaz_n opal_n gyrasol_n and_o other_o it_o seem_v something_o strange_a that_o crystal_n mix_v with_o matter_n that_o thing_fw-mi it_o shall_v in_o the_o same_o vessel_n receive_v so_o many_o different_a colour_n but_o if_o you_o consider_v that_o the_o spirit_n of_o these_o matter_n have_v virtue_n different_a from_o those_o of_o their_o body_n you_o will_v not_o so_o much_o wonder_n at_o such_o diversity_n the_o piece_n which_o lie_v high_a be_v the_o most_o penetrate_v by_o these_o ting_a spirit_n which_o always_o ascend_v and_o so_o give_v they_o more_o vivacity_n and_o colour_n and_o so_o to_o the_o other_o in_o proportion_n to_o your_o order_n for_o this_o operation_n take_v two_o ounce_n of_o orpiment_n of_o a_o yellow_a colour_n approach_v gold_n or_o saffron_n and_o as_o much_o white_a arsenic_n one_o ounce_n of_o crude_a antimony_n and_o the_o same_o weight_n of_o salarmoniac_a the_o whole_a reduce_v to_o powder_n and_o mix_v together_o with_o this_o powder_n stratifie_v piece_n of_o natural_a crystal_n in_o a_o great_a crucible_n put_v the_o least_o piece_n to_o the_o bottom_n and_o the_o great_a at_o the_o top_n which_o ought_v to_o be_v fine_a and_o without_o spot_n the_o crucible_n be_v fill_v with_o the_o powder_n and_o crystal_n cover_v it_o with_o another_o bore_v at_o the_o bottom_n lute_n they_o well_o and_o let_v the_o lute_n dry_a this_o last_o crucible_n must_v as_o we_o have_v say_v be_v bore_v at_o bottom_n that_o the_o smoke_n of_o the_o material_n ascend_v through_o the_o hole_n may_v better_v thing_fw-mi the_o crystal_n in_o pass_v which_o it_o will_v not_o do_v so_o well_o if_o it_o pass_v out_o of_o the_o side_n when_o the_o lute_n be_v dry_a put_v it_o in_o the_o furnace_n and_o cover_v it_o with_o coal_n up_o to_o the_o middle_n of_o the_o crucible_n on_o the_o top_n than_o put_v some_o live_v coal_n to_o they_o that_o they_o may_v kindle_v â—y_a themselves_o little_a by_o little_a they_o ought_v to_o be_v great_a coal_n and_o make_v of_o oak_n you_o must_v take_v care_n of_o the_o smoke_n it_o be_v very_o dangerous_a as_o we_o say_v before_o and_o order_n it_o so_o that_o they_o kindle_v well_o that_o the_o business_n may_v succeed_v and_o that_o the_o fire_n may_v go_v out_o of_o itself_o take_v care_n that_o no_o air_n can_v get_v in_o at_o the_o mouth_n of_o the_o crucible_n for_o that_o will_v make_v the_o crystal_n break_v and_o then_o they_o be_v good_a for_o nothing_o the_o crucible_n be_v cold_a unlute_n they_o and_o take_v the_o crystal_n out_o the_o great_a part_n of_o which_o will_v be_v tinge_v with_o the_o colour_n we_o have_v mention_v polish_v the_o best_a colour_v at_o the_o wheel_n which_o will_v also_o brighten_v their_o colour_n and_o make_v they_o look_v like_o oriental_a stone_n and_o they_o will_v be_v fair_a and_o hard_o as_o they_o be_v all_o the_o success_n of_o this_o secret_n consist_v in_o the_o orpiment_n which_o must_v be_v of_o the_o colour_n of_o gold_n and_o if_o you_o do_v succeed_v the_o first_o time_n you_o must_v try_v a_o second_o and_o observe_v well_o what_o we_o have_v say_v you_o may_v be_v assure_v to_o succeed_v the_o end_n of_o the_o three_o book_n of_o the_o art_n of_o glass_n book_n iu._n chap._n lxxx_o the_o way_n of_o make_v glass_n of_o lead_n common_o call_v vitrum_fw-la saturni_n to_o calcine_v lead_n and_o extract_v from_o it_o the_o colour_n of_o emerald_n topaz_n sea-green_a or_o azure_a granate_n sapphire_n gold_n and_o other_o colour_n glass_n of_o lead_n know_v to_o few_o artist_n in_o this_o way_n because_o they_o make_v no_o use_n of_o it_o by_o reason_n of_o its_o brittleness_n be_v beyond_o doubt_n the_o fair_a and_o noble_a glass_n of_o any_o other_o in_o this_o glass_n you_o
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
cold_a take_v they_o out_o and_o paint_v they_o and_o put_v they_o in_o again_o to_o bake_v a_o second_o time_n observe_v what_o direction_n we_o have_v already_o give_v concern_v these_o matter_n and_o when_o the_o fire_n be_v go_v out_o and_o the_o furnace_n cold_a you_o have_v the_o ware_n in_o perfection_n ready_a to_o take_v out_o for_o use_v you_o may_v make_v your_o china-ware_n also_o of_o pure_a earth_n let_v it_o not_o be_v red_a tho_o but_o white_a or_o grace_n you_o may_v try_v the_o sufficiency_n of_o it_o after_o it_o be_v prepare_v by_o bake_v some_o beforehand_o and_o when_o it_o come_v out_o of_o the_o furnace_n sound_n and_o uncracked_a it_o be_v good_a and_o fit_a for_o your_o purpose_n the_o preparation_n consist_v in_o dry_v it_o well_o and_o reduce_v it_o to_o a_o very_a fine_a powder_n then_o put_v it_o into_o fair_a water_n wherein_o have_v be_v already_o dissolve_v a_o little_a gum-arabic_n but_o most_o of_o those_o that_o make_v it_o employ_v only_o water_n without_o gum_n after_o this_o you_o may_v make_v your_o dish_n set_v they_o to_o dry_v polish_v dry_v glaze_n bake_n paint_v and_o finish_v they_o as_o before_o all_o which_o those_o who_o work_n at_o they_o know_v better_o than_o i_o can_v express_v it_o chap._n cxcvi_o how_o to_o enamel_n the_o china_n for_o this_o take_v of_o our_o milkwhite_a enamel_n chap._n 149._o grind_v it_o very_o fine_a as_o painter_n do_v their_o colour_n put_v the_o powder_n afterward_o into_o a_o glasscucurbit_a pour_v some_o aquafortis_n thereon_o let_v it_o digest_v a_o little_a to_o cleanse_v off_o its_o impurity_n and_o become_v fine_a and_o transparent_a then_o pour_v off_o the_o aquafortis_n wash_v the_o powder_n in_o water_n over_o and_o over_o again_o grind_v it_o afterward_o with_o a_o little_a gum-water_n on_o your_o marble_n and_o so_o glaze_v the_o vessel_n with_o it_o within_o and_o without_o dry_v they_o in_o the_o air_n and_o bake_v they_o as_o before_o in_o the_o furnace_n or_o you_o may_v heat_v the_o vessel_n to_o a_o redness_n in_o the_o furnace_n and_o melt_v the_o enamel_n when_o it_o be_v in_o a_o perfect_a fusion_n dip_v the_o small_a vessel_n therein_o and_o pour_v of_o it_o on_o the_o large_a for_o they_o will_v take_v no_o more_o on_o they_o than_o will_v serve_v they_o set_v they_o by_o turn_n in_o the_o furnace_n stop_v it_o very_o well_o to_o avoid_v the_o air_n bake_n cool_v your_o furnace_n and_o finish_v they_o as_o before_o then_o take_v out_o the_o dish_n paint_v and_o bake_v they_o over_o again_o observe_v all_o our_o former_a direction_n chap._n cxcvii_o to_o paint_v the_o china_n this_o be_v do_v as_o the_o enamel_n discourse_v of_o in_o chap._n 192._o but_o much_o more_o easy_o the_o figure_n be_v only_o just_o dash_v over_o in_o comparison_n to_o they_o however_o you_o must_v grind_v your_o colour_n with_o oil_n of_o spike_n on_o the_o marble_n as_o we_o have_v say_v already_o and_o so_o paint_v on_o the_o dish_n story_n landscape_n or_o any_o other_o fancy_n but_o you_o must_v never_o expect_v to_o have_v they_o thereon_o so_o complete_a and_o handsome_a as_o those_o paint_a on_o the_o enamel_a plate_n because_o the_o former_a be_v finish_v stand_v and_o so_o enlarge_v in_o length_n or_o breadth_n whereas_o the_o other_o be_v do_v on_o flat_n and_o lie_v beside_o the_o dish_n be_v for_o the_o most_o part_n round_o and_o not_o so_o easy_o paint_v for_o if_o they_o can_v be_v as_o neat_o do_v as_o the_o enamel_n they_o will_v be_v excessive_a dear_a chap._n cxcviii_o to_o gilled_a china_n you_o must_v first_o grind_v some_o shade-earth_n on_o a_o marble_n with_o linseed-oyl_n prepare_v as_o shall_v be_v show_v in_o chap._n 200._o with_o which_o trace_n out_o your_o figure_n which_o must_v be_v two_o whole_a day_n a_o dry_n after_o this_o apply_v very_o thin_a leaf-gold_n and_o with_o a_o sharp_a graver_n shape_n the_o figure_n and_o then_o put_v the_o dish_n in_o a_o oven_n as_o soon_o as_o the_o batch_n of_o bread_n be_v draw_v out_o let_v the_o heat_n be_v no_o great_a than_o one_o hand_n may_v endure_v else_o the_o vessel_n will_v crack_v leave_v they_o in_o it_o for_o two_o or_o three_o hour_n or_o more_o if_o the_o oven_n be_v not_o too_o hot_a you_o may_v else_o make_v use_n of_o our_o own_o furnace_n by_o give_v it_o the_o same_o moderate_a degree_n of_o heat_n as_o experience_a person_n be_v well_o acquaint_v with_o chap._n cxcix_o another_o way_n this_o be_v much_o more_o handsome_a and_o lively_a beside_o that_o it_o can_v be_v efface_v you_o may_v with_o it_o gild_v vessel_n entire_o or_o border_n or_o give_v they_o any_o lustre_n you_o think_v convenient_a for_o ornament_n and_o it_o will_v look_v as_o well_o as_o fine_a gold_n you_o must_v first_o wet_v over_o the_o place_n you_o will_v gild_v with_o gum-water_n light_o then_o apply_v your_o leave_n and_o so_o let_v they_o dry_a this_o be_v enough_o for_o plain_a gilding_n but_o if_o you_o will_v have_v it_o carve_v or_o figure_v you_o must_v make_v use_n of_o a_o steel-grave_a and_o afterward_o bathe_v the_o gold_n with_o water_n wherein_o borax_n have_v be_v dissolve_v powder_v it_o in_o the_o mean_a time_n with_o crystaline_a powder_n or_o milkwhite_a enamel_n reduce_v to_o a_o very_a fine_a powder_n then_o set_v the_o dish_n on_o a_o reverberatory_n fire_n to_o melt_v and_o be_v polish_a thus_o you_o will_v have_v as_o fine_a a_o piece_n of_o ware_n as_o can_v be_v chap._n cc._o the_o way_n to_o prepare_v linseed-oyl_n for_o gild_v of_o china_n it_o be_v but_o just_a we_o shall_v discharge_v our_o promise_n of_o prescribe_v this_o preparation_n take_v a_o paris_n pint_n of_o linseed-oyl_n in_o a_o earthen_a pot_n which_o will_v hold_v about_o two_o paris_n pint_n put_v this_o on_o a_o fire_n and_o when_o it_o begin_v to_o boil_v throw_v in_o twice_o the_o bigness_n of_o a_o small_a egg_n of_o gum-arabic_n pulverise_v stir_v all_o well_o until_o it_o be_v dissolve_v then_o put_v in_o a_o onion_n of_o a_o ordinary_a size_n and_o the_o like_a weight_n of_o garlic_n cut_v small_a when_o the_o oil_n boil_v well_o and_o swell_v up_o by_o the_o force_n of_o the_o good_a fire_n which_o must_v be_v underneath_o pour_v it_o out_o into_o another_o such_o pot_n and_o so_o in_o and_o out_o of_o each_o pot_n to_o the_o other_o until_o all_o be_v very_o well_o mix_v then_o put_v it_o on_o the_o fire_n again_o add_v half_o a_o eggshell_n of_o powder_n of_o mastic_n and_o stir_v it_o very_o well_o as_o soon_o as_o it_o boil_v again_o it_o will_v foam_v and_o have_v a_o great_a froth_n which_o must_v be_v scum_v off_o and_o then_o take_v it_o off_o the_o fire_n and_o brew_v the_o ingredient_n together_o with_o the_o two_o pot_n as_o before_o continue_v to_o do_v thus_o with_o it_o or_o stir_v it_o on_o the_o fire_n until_o it_o rise_v no_o more_o this_o do_v take_v a_o very_a dry_a toast_n of_o white_a bead_n to_o take_v off_o the_o grease_n the_o oil_n still_o boil_a and_o when_o you_o put_v in_o the_o toast_n you_o must_v at_o the_o same_o time_n put_v in_o some_o pin-dust_n stir_v all_o well_o together_o and_o let_v it_o stand_v for_o twenty_o four_o hour_n afterward_o strain_v the_o oil_n through_o a_o linen-cloth_n in_o which_o be_v some_o very_a fine_a sand_n the_o better_a to_o filtrate_a it_o and_o take_v off_o the_o grease_n and_o so_o you_o will_v have_v it_o pure_a and_o clear_a which_o bottle_n up_o for_o your_o use._n or_o you_o may_v both_o way_n be_v good_a enough_o first_o mix_v with_o the_o oil_n two_o ounce_n of_o gold_n litharge_v pulverise_v add_v the_o gum-arabic_n as_o soon_o as_o it_o begin_v to_o boil_v and_o to_o purify_v it_o let_v it_o filter_n through_o a_o linen-cloth_n full_a of_o sand_n while_o it_o be_v hot_a into_o a_o glass-bottle_n wherein_o be_v already_o half_a a_o ounce_n of_o fine_a camphire_n powder_n shake_v the_o bottle_n very_o well_o until_o the_o oil_n be_v cold_a afterward_o lay_v it_o in_o the_o sun_n for_o fifteen_o day_n and_o it_o will_v be_v entire_o purge_v and_o the_o long_a it_o be_v keep_v will_v be_v the_o better_a this_o be_v all_o we_o have_v to_o say_v at_o present_a about_o china-ware_n until_o we_o have_v further_o enlarge_v our_o knowledge_n in_o the_o matter_n which_o we_o have_v not_o much_o study_v because_o we_o do_v not_o intend_v to_o treat_v of_o it_o however_o we_o afterward_o think_v it_o incumbent_n on_o we_o so_o to_o discourse_v thereof_o as_o a_o art_n dependent_a on_o we_o and_o we_o hope_v the_o reader_n will_v take_v this_o in_o good_a part_n until_o we_o may_v give_v he_o something_o more_o at_o large_a of_o the_o art_n of_o glass_n book_n ix_o show_v the_o method_n of_o draw_v all_o sort_n of_o story_n
as_o possible_a and_o so_o let_v it_o dry_v thorough_o afterward_o moisten_v the_o paper_n on_o the_o blank-side_n and_o with_o a_o blunt_a graver_n draw_v off_o and_o trace_v the_o line_n of_o the_o picture_n which_o will_v afterward_o remain_v perfect_a and_o distinct_o on_o the_o varnish-side_n of_o your_o glass_n quarre_n this_o draught_n be_v for_o the_o model_n you_o must_v paint_v your_o filling_n in_o and_o observe_v that_o the_o tracing_n and_o stroke_n of_o the_o picture_n be_v to_o serve_v you_o in_o shadow_v which_o can_v be_v reject_v without_o disadvantage_n to_o your_o piece_n the_o manner_n of_o paint_v on_o glass_n be_v quite_o contrary_a to_o that_o of_o limn_v or_o paint_v on_o cloth_n or_o wood_n for_o in_o this_o the_o paint_n be_v but_o on_o one_o side_n be_v plain_o visible_a on_o the_o other_o here_o the_o set_v off_o be_v first_o do_v than_o the_o compound_a colour_n just_a run_v over_o and_o so_o continue_v until_o perfect_v whereas_o on_o linen_n etc._n etc._n the_o settings-off_a or_o heightning_n be_v the_o last_o stroke_n and_o their_o ground-colour_n or_o first_o be_v that_o which_o we_o end_v withal_o and_o make_v our_o last_o lay_n with_o in_o all_o piece_n do_v on_o glass_n we_o do_v not_o show_v the_o way_n to_o make_v up_o the_o colour_n nor_o how_o to_o mix_v and_o finish_v the_o artificial_a one_o for_o that_o relate_v immediate_o to_o the_o art_n of_o paint_v of_o which_o several_a piece_n be_v extant_a and_o not_o to_o this_o art_n of_o glass_n and_o these_o note_v herein_o be_v the_o same_o as_o in_o the_o other_o art_n of_o paint_v on_o cloth_n and_o not_o very_o uneasy_o prepare_v you_o must_v also_o paint_v on_o glass_n just_a as_o in_o miniature_n with_o water-colour_n lay_v your_o picture_n underneath_o it_o as_o before_z and_o this_o will_v show_v fine_a than_o if_o do_v in_o oil_n beside_o the_o colour_n dry_a in_o a_o moment_n your_o piece_n be_v thus_o do_v in_o oil_n or_o water-colour_n may_v receive_v a_o very_a additional_a and_o improve_n beauty_n by_o over-laying_a all_o the_o colour_n except_o the_o ground_n with_o leaf-silver_n which_o will_v appear_v very_o glorious_a and_o lively_a on_o such_o as_o be_v transparent_a to_o wit_n lake_n verditer_n etc._n etc._n chap._n ccxv_o the_o manner_n of_o gild_v on_o glass_n we_o promise_v to_o show_v this_o way_n of_o gild_v on_o glass_n after_o we_o have_v do_v with_o paint_v and_o this_o we_o will_v discharge_v here_o take_v any_o glass_n you_o please_v and_o moisten_v it_o over_o where_o you_o design_v to_o gild_v with_o gum-water_n apply_v your_o leaf-gold_n and_o so_o let_v it_o dry_v cover_v the_o glass_n over_o with_o any_o piece_n of_o hollow_a glass_n and_o set_v it_o on_o a_o iron-plate_n at_o the_o mouth_n of_o the_o furnace_n to_o heat_v gentle_o and_o when_o it_o be_v well_o heat_v move_v it_o in_o further_a and_o in_o a_o very_a little_a time_n it_o will_v be_v red_a hot_a then_o withdraw_v it_o and_o let_v it_o cool_v slow_o at_o the_o furnace_n mouth_n thus_o if_o you_o have_v lay_v your_o gold_n well_o on_o at_o first_o you_o will_v find_v it_o so_o well_o communicate_v to_o the_o glass_n that_o it_o be_v impossible_a for_o any_o trial_n to_o endamage_v the_o gild_v and_o after_o this_o method_n you_o may_v do_v with_o globe_n and_o give_v they_o a_o wonderful_a beauty_n which_o no_o dust_n nor_o injury_n of_o time_n can_v alter_v chap._n ccxvi_o another_o way_n to_o gilled_a glass_n this_o second_o way_n be_v altogether_o as_o fine_a as_o the_o other_o beside_o the_o gilding_n be_v better_a coated_a and_o less_o expose_v to_o injury_n take_v a_o glass_n and_o moisten_v it_o every_o where_o you_o design_n to_o gilled_a with_o gum-water_n and_o lay_v on_o your_o leaf-gold_n let_v it_o dry_a this_o do_v run_v the_o gold_n over_o with_o water_n wherein_o borax_n have_v be_v dissolve_v and_o so_o dust_n it_o with_o impalpable_a powder_n of_o glass_n set_v it_o afterward_o by_o degree_n into_o your_o furnace_n until_o it_o become_v red_a hot_a and_o the_o powder_n on_o the_o gilding_n be_v melt_v and_o run_v then_o draw_v it_o out_o leisurely_o let_v it_o cool_a at_o the_o mouth_n of_o the_o furnace_n and_o you_o will_v have_v your_o glass_n very_o fine_o gild_a so_o that_o nothing_o in_o nature_n can_v spoil_v it_o unless_o it_o be_v break_v or_o you_o may_v gilled_a on_o glass_n with_o linseed-oyl_n etc._n etc._n as_o in_o chap._n 198._o after_o the_o same_o manner_n as_o on_o china_n but_o the_o way_n we_o have_v just_a now_o give_v be_v so_o fine_a that_o we_o look_v upon_o they_o to_o be_v more_o excellent_a such_o as_o will_v make_v a_o choice_n may_v work_v by_o direction_n in_o this_o present_a chapter_n chap._n ccxvii_o to_o imitate_v precious-stone_n in_o colour_n on_o globe_n or_o other_o vessel_n of_o white_a glass_n this_o way_n of_o ting_a be_v different_a from_o what_o we_o have_v already_o give_v and_o because_o we_o will_v not_o willing_o leave_v out_o any_o thing_n that_o may_v serve_v the_o curious_a we_o will_v give_v the_o method_n in_o this_o chapter_n you_o may_v thus_o thing_fw-mi any_o vessel_n of_o white_a glass_n either_o globular_a or_o concave_a with_o mouth-glue_a let_v it_o soak_v in_o water_n for_o two_o day_n and_o so_o boil_v it_o afterward_o until_o it_o be_v all_o melt_v and_o let_v it_o cool_v â—_o little_a pour_v it_o milk-warm_a into_o your_o globe_n or_o other_o vessel_n shake_v it_o therein_o to_o wet_v it_o all_o over_o and_o so_o pouâ—_n it_o out_o again_o then_o your_o colour_n be_v all_o ready_a iâ—_n powder_n first_o blow_n in_o the_o vermilion_n through_o 〈◊〉_d hollow_a pipe_n so_o as_o to_o represent_v cloud_n or_o waving_n in_o like_a manner_n blow_v in_o the_o blue-enamel_n scale_n of_o copper_n orpiment_n and_o lake_n all_o in_o fine_a powder_n these_o colour_n will_v stick_v in_o undulation_n because_o the_o glue_n be_v moist_a you_o may_v do_v thus_o with_o any_o other_o colour_n this_o do_v take_v plaster_n well_o pulverise_v and_o put_v a_o good_a quantity_n thereof_o into_o the_o vessel_n and_o shake_v it_o well_o all_o over_o before_o and_o until_o the_o glue_n be_v quite_o dry_a and_o it_o will_v stick_v all_o round_a then_o shake_v out_o what_o remain_v loose_a and_o you_o will_v have_v the_o outside_n fine_o particoloured_a and_o marble_a etc._n etc._n when_o these_o colour_n be_v well_o dry_v they_o will_v stick_v so_o to_o the_o inside_n that_o they_o will_v never_o come_v off_o but_o remain_v always_o fine_a set_v these_o globe_n on_o stand_v where_o they_o may_v be_v for_o ornament_n and_o the_o pleasure_n of_o those_o who_o shall_v see_v and_o consider_v their_o admirable_a beauty_n the_o end_n of_o the_o nine_o book_n of_o the_o art_n of_o glass_n book_n x._o show_v how_o to_o extract_v the_o essential_a tincture_n of_o all_o herb_n or_o flower_n as_o yellow_a red_a green_n blue_n violet_n purple-coloured_a etc._n etc._n with_o their_o respective_a lake_n to_o make_v ultra-marine_a german-blue_a etc._n etc._n as_o well_o for_o the_o art_n of_o glass_n as_o paint_v chap._n ccxviii_o not_o to_o omit_v any_o thing_n which_o at_o all_o concern_v the_o art_n of_o glass_n we_o think_v convenient_a in_o this_o ten_o book_n to_o give_v the_o public_a a_o method_n of_o extract_v all_o manner_n of_o essential_a tincture_n from_o herb_n as_o well_o as_o flower_n a_o work_v not_o only_o necessary_a for_o paint_v but_o the_o art_n of_o glass_n too_o we_o shall_v also_o give_v direction_n to_o make_v lake_n of_o several_a colour_n vltra-marine_a of_o lapis-lazuli_a with_o german-blue_a etc._n etc._n the_o manner_n we_o prescribe_v for_o make_v these_o colour_n do_v equal_o qualify_v they_o for_o ting_a glass_n stones_n enamel_n and_o for_o paint_n on_o enamel_n and_o glass-work_n and_o all_o this_o so_o prepare_v as_o not_o to_o press_v on_o the_o diversion_n or_o pall_v the_o pleasure_n of_o the_o several_a artist_n or_o other_o curious_a person_n who_o employ_v themselves_o that_o way_n for_o recreation_n what_o can_v be_v more_o admirable_a than_o the_o product_n and_o liberality_n of_o nature_n in_o bestow_v such_o excellent_a enamel_n on_o flower_n and_o plant_n as_o contribute_v to_o furnish_v paint_v with_o such_o fine_a and_o lively_a colour_n which_o the_o industry_n of_o mankind_n can_v extract_v and_o so_o well_o adapt_v to_o the_o conveniency_n of_o art_n as_o to_o produce_v effect_n fine_a and_o more_o beautiful_a than_o any_o other_o whatsoever_o the_o use_n of_o flower_n and_o plant_n be_v not_o whole_o confine_v to_o this_o noble_a art_n but_o they_o be_v also_o proper_a for_o die_v and_o have_v much_o more_o excellent_a success_n in_o physic_n where_o their_o virtue_n be_v infinite_a etc._n etc._n no_o product_n in_o nature_n be_v useless_a but_o the_o very_o mean_a have_v its_o
assign_v the_o method_n for_o it_o if_o there_o be_v a_o scarcity_n thereof_o in_o france_n but_o since_o we_o have_v of_o it_o in_o abundance_n it_o be_v much_o better_a to_o employ_v the_o time_n in_o work_v the_o usual_a way_n than_o spend_v it_o unprofitable_o by_o take_v a_o more_o tedious_a method_n chap._n ccxli_o to_o make_v german-blue_a notwithstanding_o we_o have_v in_o the_o precede_a chapter_n show_v how_o to_o imitate_v very_o near_o the_o vltra-marine_a blue_n with_o ordinary_a enamel_n whereof_o we_o have_v give_v the_o preparation_n in_o chap._n 190._o yet_o we_o will_v show_v too_o the_o way_n to_o make_v german-blue_a by_o art_n which_o be_v a_o colour_n very_o fine_a and_o convenient_a to_o paint_n withal_o take_v four_o ounce_n of_o mercury_n or_o quicksilver_n siâ—_n ounce_n of_o flower_n of_o sulphur_n and_o a_o pound_n of_o sal-armoniack_a pound_n these_o very_a well_o in_o a_o stone-mortar_n till_o all_o the_o mercury_n be_v quite_o suppress_v and_o no_o long_o precipitable_a then_o put_v the_o mass_n into_o a_o glass_n body_n the_o bottom_n lute_v up_o to_o the_o middle_n set_v this_o on_o a_o very_a slow_a ash-fire_n let_v it_o stand_v uncover_v until_o all_o the_o moisture_n be_v exhale_v than_o head_n it_o very_o close_a and_o so_o improve_v the_o heat_n by_o degree_n until_o you_o bring_v the_o mass_n to_o a_o sublimation_n and_o thus_o you_o will_v have_v a_o very_a fine_a and_o delicate_a azure_a or_o german-blue_a which_o reduce_v to_o very_o soft_a powder_n on_o a_o marble_n or_o porphiry_n keep_v it_o afterward_o for_o use_n in_o paint_v the_o end_n of_o the_o ten_o book_n of_o the_o art_n of_o glass_n book_n xi_o wherein_o the_o manner_n of_o imitate_v all_o sort_n of_o pearl_n be_v show_v and_o do_v so_o effectual_o as_o to_o give_v they_o a_o equal_a splendour_n and_o beauty_n with_o those_o which_o be_v natural_o produce_v in_o the_o sea_n chap._n ccxlii_o all_o the_o ancient_n who_o have_v treat_v of_o the_o several_a sort_n and_o property_n of_o precious_a stone_n have_v at_o the_o same_o time_n discourse_v of_o pearl_n because_o they_o claim_v a_o place_n among_o the_o first_o and_o best_a of_o jewel_n in_o respect_n of_o their_o value_n as_o well_o as_o their_o beauty_n and_o the_o fix_a quality_n which_o they_o contain_v they_o have_v be_v at_o all_o time_n seek_v after_o for_o the_o ornament_n and_o pleasure_n of_o lady_n as_o they_o be_v at_o this_o day_n for_o these_o reason_n we_o think_v it_o convenient_a to_o give_v they_o a_o place_n among_o our_o work_n that_o from_o our_o experience_n the_o curious_a may_v be_v inform_v how_o to_o make_v such_o artificial_o as_o fine_a and_o splendid_a as_o those_o which_o nature_n form_n in_o the_o depth_n of_o the_o ocean_n we_o avow_v that_o the_o production_n of_o pearl_n be_v very_o different_a from_o that_o of_o precious-stone_n because_o the_o latter_a proceed_v from_o the_o earth_n and_o the_o former_a quite_o contrary_a from_o the_o shell-creature_n which_o be_v shroud_v in_o the_o bottom_n of_o the_o sea_n these_o receive_v their_o nourishment_n from_o the_o same_o liquld_v substance_n which_o crntribute_v to_o the_o growth_n of_o the_o shell_n and_o this_o slimy_a substance_n be_v resolve_v from_o the_o watery_a humour_n of_o the_o creature_n by_o three_o several_a process_n the_o first_o dry_v it_o by_o degree_n the_o next_o bring_v it_o to_o a_o hardness_n and_o last_o of_o all_o it_o be_v at_o certain_a time_n emply_v by_o the_o animal_n for_o the_o increase_n of_o its_o shell_n and_o the_o place_n where_o this_o be_v effect_v in_o the_o inmost_a envelop_v recess_n thereof_o now_o the_o first_o principle_n of_o these_o and_o all_o other_o precious_a stone_n descends_z from_o above_o to_o wit_n the_o universal_a seed_n which_o alone_o can_v give_v birth_n and_o increase_n to_o all_o the_o tenant_n of_o this_o vast_a universe_n and_o these_o precious_a stone_n as_o well_o as_o the_o metal_n be_v nourish_v in_o the_o womb_n of_o the_o earth_n so_o the_o live_a creature_n bear_v each_o other_o the_o foetus_fw-la within_o its_o parent_n etc._n etc._n the_o oriental_a pearl_n be_v generate_v in_o the_o fish_n which_o contain_v they_o with_o the_o mother_n as_o the_o occidental_a or_o western_a in_o our_o oyster_n but_o the_o beauty_n of_o these_o two_o be_v very_o different_a the_o oriental_a be_v of_o a_o silver_n white_a and_o exceed_v splendid_a to_o the_o occidental_a the_o best_a of_o these_o latter_a seldom_o arrive_v to_o any_o high_a than_o the_o colour_n of_o milk_n we_o will_v not_o here_o take_v notice_n of_o the_o particular_a place_n of_o the_o east_n where_o they_o be_v find_v but_o only_o inform_v you_o that_o the_o best_a and_o most_o beautiful_a come_v from_o the_o persiangulf_n about_o the_o isle_n of_o ormus_n bassora_n they_o be_v find_v in_o europe_n not_o only_o in_o the_o sea_n but_o in_o river_n and_o fresh_a water_n we_o have_v they_o from_o scotland_n silesia_n bohemia_n frisia_n lorraine_n etc._n etc._n in_o all_o which_o place_n they_o be_v find_v very_o fine_a only_o those_o of_o frisia_n be_v very_o small_a it_o be_v think_v the_o fish_n wherein_o the_o pearl_n be_v generate_v become_v sickly_a and_o weak_a and_o not_o able_a to_o dispose_v of_o the_o slimy_a moisture_n for_o the_o growth_n of_o its_o shell_n it_o remain_v in_o the_o body_n thereof_o and_o be_v dry_v hence_o the_o birth_n of_o the_o pearl_n and_o so_o by_o a_o continual_a supply_n of_o the_o like_a substance_n still_o coat_v it_o anew_o it_o become_v large_a just_a as_o the_o stone_n in_o the_o bladder_n of_o man_n and_o other_o creature_n engender_v and_o be_v feed_v by_o a_o clammy_a humour_n which_o can_v be_v emit_v by_o urine_n but_o remain_v behind_o and_o so_o harden_v and_o become_v a_o stone_n after_o the_o like_a manner_n the_o bezoar_a stone_n be_v breed_v in_o the_o indian_a goat_n of_o the_o kingdom_n of_o golcondea_n and_o in_o the_o gall_n of_o wild-boar_n in_o india_n and_o the_o hedgehog_n of_o malacca_n so_o several_a other_o stone_n to_o which_o they_o give_v the_o name_n of_o bezoar_n be_v find_v in_o the_o gall_n of_o beef_n deer_n goat_n and_o other_o animal_n in_o france_n and_o elsewhere_o all_o which_o have_v great_a virtue_n in_o physic_n how_o great_a and_o effectual_a those_o pearl_n be_v in_o physical_a matter_n and_o what_o success_n they_o reach_v there_o be_v not_o to_o our_o purpose_n we_o only_o intend_v to_o show_v the_o way_n of_o imitate_v their_o beauty_n by_o art_n so_o fine_o and_o with_o such_o exactness_n of_o lustre_n as_o not_o to_o leave_v it_o in_o the_o power_n of_o any_o to_o distinguish_v they_o easy_o from_o the_o true_a and_o natural_a one_o they_o be_v make_v of_o the_o very_o fine_a sort_n of_o paste_n that_o can_v be_v and_o the_o same_o stuff_n as_o the_o true_a one_o poverty_n and_o pride_n be_v two_o inseparable_a companion_n among_o our_o french_a such_o lady_n as_o make_v use_n of_o pure_a pearl_n be_v those_o that_o can_v afford_v it_o and_o the_o little_a creature_n that_o can_v reach_v the_o price_n but_o will_v however_o appear_v gay_a be_v oblige_v to_o have_v recourse_n to_o the_o counterfeit_n and_o content_v themselves_o with_o imitation_n only_o of_o nature_n it_o be_v some_o year_n since_o the_o use_v of_o these_o latter_a be_v introduce_v in_o france_n which_o now_o not_o only_o the_o puny_a lady_n but_o those_o of_o birth_n and_o quality_n do_v wear_v this_o proceed_v all_o from_o that_o fashion_n which_o insensible_o reach_v still_o at_o the_o large_a pearl_n which_o these_o lady_n covet_v for_o ornament_n and_o because_o they_o can_v not_o be_v furnish_v enough_o with_o true_a they_o make_v use_v of_o the_o artificial_a whence_o the_o common_a sort_n of_o person_n receive_v the_o advantage_n to_o vie_v with_o person_n of_o the_o first_o rank_n and_o quality_n which_o they_o do_v fail_v to_o do_v without_o consideration_n of_o either_o estate_n or_o condition_n but_o only_o to_o conform_v with_o the_o mode_n the_o counterfeit_n pearl_n which_o be_v usual_o make_v be_v just_o the_o colour_n of_o the_o paste_n and_o of_o no_o continuance_n but_o for_o the_o present_a they_o be_v do_v with_o a_o composition_n of_o brittle_a glass_n and_o wax_n a_o little_a melt_v and_o for_o colour_v they_o use_v prepare_v mercury_n mouth-glue_a or_o any_o other_o drug_n to_o give_v they_o a_o brightness_n which_o soon_o peel_n off_o and_o scale_n away_o especial_o in_o the_o heat_n of_o summer_n the_o way_n which_o we_o will_v give_v be_v not_o only_o very_o good_a and_o solid_a but_o exceed_v fine_a be_v effect_v with_o seed_n pearl_n we_o grant_v these_o paste_n to_o be_v much_o dear_a than_o the_o former_a but_o consider_v their_o fineness_n and_o that_o they_o will_v last_v for_o ever_o we_o shall_v also_o show_v how_o to_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
or_o figure_n on_o glass_n in_o paint_n gilding_n marble_a etc._n etc._n chap._n cci_o the_o art_n of_o paint_v have_v be_v still_o so_o noble_a and_o excellent_a that_o all_o those_o great_a person_n who_o have_v practise_v it_o be_v always_o distinguish_v among_o the_o most_o eminent_a of_o their_o age_n those_o celebrate_a piece_n we_o have_v of_o it_o in_o our_o day_n to_o the_o ornament_n and_o admiration_n of_o all_o europe_n have_v settle_v so_o great_a a_o veneration_n for_o their_o memory_n as_o will_v eternize_v it_o to_o posterity_n the_o dorian_n corinthian_n jonians_n and_o roman_n be_v the_o people_n that_o pay_v the_o most_o esteem_n to_o this_o noble_a art_n for_o which_o they_o conceive_v so_o great_a opinion_n and_o delight_n that_o they_o look_v upon_o the_o famous_a painter_n of_o their_o time_n as_o demigod_n and_o range_v they_o among_o the_o first_o and_o most_o learned_a man_n in_o the_o world_n the_o ancient_n do_v not_o only_o pay_v a_o deference_n and_o honour_n to_o the_o nobility_n and_o illustrious_a birth_n of_o great_a man_n but_o to_o their_o worth_n and_o virtue_n too_o hence_o the_o athenian_n erect_v a_o statue_n in_o memory_n of_o aesop_n who_o be_v but_o a_o poor_a slave_n will_v they_o have_v do_v it_o if_o this_o eminent_o ingenious_a fellow_n have_v not_o possess_v so_o many_o excellent_a part_n no_o it_o be_v not_o for_o the_o sake_n of_o his_o picture_n which_o be_v too_o deform_v and_o ugly_a to_o please_v or_o charm_v they_o but_o to_o convince_v posterity_n how_o the_o way_n to_o glory_n be_v not_o shut_v up_o from_o the_o mean_a person_n can_v there_o be_v any_o thing_n more_o take_v or_o complete_a than_o the_o natural_a imitation_n which_o issue_n from_o paint_v have_v nature_n any_o thing_n more_o considerable_o admirable_a do_v we_o not_o see_v she_o display_v in_o the_o pourtrait_n of_o those_o excellent_a master_n who_o with_o so_o much_o art_n and_o delicacy_n have_v express_v all_o whatever_o she_o have_v produce_v in_o this_o sublunary_a inferior_a orb_n so_o that_o it_o be_v not_o possible_a to_o see_v they_o without_o admire_v or_o to_o admire_v they_o without_o astonishment_n what_o wonderful_a fancy_n too_o have_v they_o draw_v from_o the_o superior_a and_o heavenly_a they_o have_v so_o lively_o show_v the_o rise_n and_o set_v sun_n night_n and_o day_n the_o face_n of_o heaven_n sometime_o calm_a and_o serene_a and_o again_o darken_v with_o cloud_n the_o thunder_n shower_n storm_n and_o sea_n rage_v with_o all_o their_o wreck_n and_o in_o the_o microcosm_n or_o little_a world_n of_o man_n they_o have_v express_v his_o joy_n sadness_n smile_n tear_n pleasure_n dissatisfaction_n life_n and_o death_n in_o short_a all_o the_o alteration_n which_o creature_n be_v liable_a to_o whereof_o the_o enumeration_n will_v be_v very_o tedious_a this_o fine_a art_n as_o well_o as_o that_o of_o glass_n do_v not_o lessen_v the_o quality_n of_o its_o practitioner_n the_o contrary_a whereof_o happen_v in_o all_o other_o art_n for_o prince_n and_o many_o of_o our_o monarch_n have_v grant_v the_o privilege_n of_o nobility_n to_o several_a master_n thereof_o to_o intimate_v to_o posterity_n the_o extraordinary_a esteem_n they_o have_v for_o they_o upon_o the_o excellency_n of_o those_o incomparable_a piece_n which_o their_o pencil_n have_v produce_v though_o paint_v on_o glass_n be_v very_o ancient_a it_o be_v yet_o much_o more_o modern_a than_o that_o of_o paint_v on_o wood_n or_o cloth_n as_o be_v of_o no_o long_o stand_v than_o this_o art_n of_o glass-work_n the_o first_o who_o paint_v on_o glass_n do_v it_o only_o in_o distemper_n that_o be_v in_o colour_n mix_v with_o glue_n but_o this_o not_o abide_v the_o injury_n of_o time_n they_o invent_v the_o way_n of_o do_v it_o with_o fire-proof_n colour_n which_o be_v incorporate_v with_o the_o glass_n by_o bake_v and_o melt_v they_o together_o and_o as_o soon_o as_o this_o secret_n be_v discover_v every_o body_n take_v delight_n to_o practise_v the_o draught_n of_o figure_n and_o entire_a history_n thereon_o for_o ornament_n whereof_o we_o have_v still_o some_o remain_a piece_n on_o old_a church_n glass_n but_o those_o figure_n before_o the_o year_n 1500_o have_v not_o half_a the_o sufficiency_n of_o base_a or_o relief_n as_o be_v require_v in_o paint_v those_o who_o will_v fain_o work_v in_o handsome_a and_o lively_a colour_n make_v use_v of_o glass-frit_a tinge_v in_o the_o glass-house_n as_o well_o for_o carnation_n as_o drapery_n whereon_o they_o draw_v the_o first_o line_n of_o the_o visage_n and_o other_o part_n of_o the_o body_n in_o black_a and_o so_o shadow_v they_o with_o stroke_n and_o dash_v but_o paint_v have_v since_o receive_v a_o improvement_n in_o france_n those_o work_n become_v more_o perfect_a and_o in_o so_o short_a a_o time_n with_o such_o advantage_n of_o make_v fair_a and_o most_o exquisite_a piece_n as_o be_v even_o at_o this_o day_n the_o admiration_n of_o the_o learned_a of_o which_o all_o the_o honour_n must_v be_v ascribe_v to_o the_o french_a who_o be_v the_o first_o discoverer_n of_o this_o great_a perfection_n in_o the_o art_n we_o may_v easy_o assign_v several_a way_n of_o this_o paint_n among_o the_o ancient_n but_o since_o they_o be_v out_o of_o practice_n and_o the_o latter_a method_n much_o more_o excellent_a we_o shall_v satisfy_v ourselves_o in_o prescribe_v only_o such_o as_o may_v suffice_v and_o gratify_v the_o curiosity_n of_o those_o who_o love_v this_o art_n and_o not_o only_o the_o method_n of_o paint_v but_o also_o how_o to_o prepare_v the_o colour_n to_o bake_v and_o finish_v they_o in_o the_o furnace_n of_o this_o we_o will_v give_v a_o short_a description_n in_o the_o next_o chapter_n that_o secret_a of_o order_v the_o fire_n which_o be_v the_o life_n and_o principal_a agent_n of_o all_o the_o work_n with_o that_o of_o gild_v marble_a etc._n etc._n as_o will_v be_v show_v in_o the_o sequel_n of_o this_o book_n the_o most_o part_n of_o ingredient_n useful_a for_o this_o service_n of_o paint_v will_v also_o thing_fw-mi the_o glass_n well_o enough_o and_o we_o will_v make_v use_n of_o those_o mention_v elsewhere_o to_o avoid_v useless_a repetition_n on_o the_o subject_a chap._n ccii_o a_o furnace_n for_o paint_v the_o glass_n and_o settle_v the_o colour_n we_o have_v mention_v this_o furnace_n in_o chap._n 194._o but_o do_v not_o take_v notice_n of_o its_o form_n or_o appurtenance_n because_o the_o business_n which_o oblige_v we_o to_o speak_v of_o it_o there_o be_v very_o different_a from_o this_o in_o this_o uppermost_a division_n must_v be_v put_v the_o aforesaid_a stove_n of_o good_a fire-proof_n crucible_n earth_n the_o bottom_n a_o inch_n and_o half_a thick_a and_o from_o thence_o up_o to_o the_o brim_n ten_o inch_n full_a it_o must_v be_v square_a as_o the_o furnace_n and_o have_v two_o inch_n room_n from_o on_o all_o side_n that_o the_o fire_n may_v flame_v round_o about_o it_o to_o bake_v the_o work_n and_o therefore_o place_v exact_o in_o the_o middle_n of_o the_o furnace_n there_o must_v be_v also_o in_o the_o fire-part_n of_o this_o stove_n a_o open_v just_a against_o and_o of_o the_o same_o size_n and_o form_n as_o that_o of_o the_o furnace_n for_o the_o conveniency_n of_o put_v the_o ware_n in_o and_o out_o take_v this_o method_n of_o distinguish_v the_o furnace_n in_o all_o its_o part_n and_o to_o lay_v down_o a_o clear_a description_n thereof_o observe_v the_o letter_n a_o be_v the_o ash-hole_n for_o the_o ash_n that_o fall_v from_o above_o through_o the_o iron-grate_n and_o note_v that_o the_o wide_a the_o open_v be_v the_o more_o violent_a will_v the_o fire_n be_v the_o letter_n b_o be_v the_o fire-place_n the_o letter_n c_o be_v three_o square_a iron-bar_n to_o support_v the_o pan_n for_o the_o ware_n the_o letter_n d_o be_v the_o open_v of_o the_o furnace_n and_o pan_n through_o which_o the_o ware_n must_v be_v convey_v in_o and_o out_o the_o letter_n e_z be_v the_o earthen_a pan_n wherein_o all_o the_o painted-ware_n must_v be_v bake_v the_o letter_n f_o be_v two_o half_a lid_n of_o potter_n earth_n for_o cover_v the_o whole_a furnace_n above_o as_o soon_o as_o the_o stove_n be_v full_a of_o ware_n they_o must_v be_v well_o close_v and_o lute_v together_o to_o prevent_v the_o air_n come_v in_o any_o where_o but_o by_o the_o four_o square_a hole_n at_o both_o end_n of_o the_o lid_n and_o the_o two_o semicircle_n in_o the_o middle_n which_o make_v a_o round_a hole_n for_o a_o chimney_n when_o the_o two_o half_a lid_n be_v close_v those_o five_o holes_n be_v for_o let_v out_o the_o smoke_n and_o flame_n of_o the_o furnace_n chap._n cciii_o to_o make_v white-ground_n for_o paint_v on_o glass_n now_o to_o pursue_v our_o work_n we_o will_v begin_v with_o the_o preparation_n of_o all_o the_o colour_n to_o be_v use_v