{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"UIG863651","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"refining_of_silver","item_variant":"undefined"},{"item_id":"UIS5077409","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"traitement_pour_la_separation_des_minerais_d_or_et_d_argent_gravure_extraite_de_description_des_mine","item_variant":"undefined"},{"item_id":"UIG531538","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"smelting_of_copper_making_liquation_cakes_by_reducing_copper_in_furnaces_and_alloying_with_lead_1683","item_variant":"undefined"},{"item_id":"UIG540735","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"furnace_for_processes_where_protracted_heat_required_such_as_cementation_this_furnace_is_gravity_fed","item_variant":"undefined"},{"item_id":"UIG534630","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"blast_furnaces_1580_engraving","item_variant":"undefined"},{"item_id":"UIG540753","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"crystallization_of_saltpetre_nitre_potassium_nitrate_or_kn03_1574_engraving","item_variant":"undefined"},{"item_id":"UIG531617","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"washing_ore_to_extract_gold_water_fed_into_sieve_2_containing_ore_muddy_solution_fed_along_wooden_co","item_variant":"undefined"},{"item_id":"UIG540737","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"athanor_or_slow_harry_a_self_feeding_furnace_maintaining_a_constant_temperature_this_plate_displays_","item_variant":"undefined"},{"item_id":"UIG534632","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"refining_copper_by_hungarian_process_1580_engraving","item_variant":"undefined"},{"item_id":"UIG540739","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"athanor_or_slow_harry_a_self_feeding_furnace_maintaining_a_constant_temperature_centre_1_athanor_or_","item_variant":"undefined"},{"item_id":"UIG863684","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"refining_gold","item_variant":"undefined"},{"item_id":"UIG863648","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"various_muffles_used_in_assay_ovens","item_variant":"undefined"},{"item_id":"UIG540742","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"distillation_of_nitric_acid_also_known_as_aqua_fortis_or_parting_acid_nitric_acid_was_widely_used_in","item_variant":"undefined"},{"item_id":"UIG539689","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"assayer_testing_samples_of_gold_or_silver_using_a_balance_1574_engraving","item_variant":"undefined"},{"item_id":"UIG540745","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"laboratory_for_refining_gold_and_silver_showing_typical_laboratory_equipment_1_athanor_or_slow_harry","item_variant":"undefined"},{"item_id":"UIG863682","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"assay_laboratory_with_various_forms_of_furnace","item_variant":"undefined"},{"item_id":"UIG540750","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"checking_the_quality_of_saltpetre_nitre_potassium_nitrate_or_kn03_saltpetre_is_the_principal_ingredi","item_variant":"undefined"},{"item_id":"UIG539915","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"preparation_of_copper_and_silver_to_be_alloyed_for_production_of_coins_16th_century_engraving","item_variant":"undefined"},{"item_id":"UIG863652","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"roasting_gold_ore","item_variant":"undefined"},{"item_id":"UIG863683","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"purification_of_silver_in_muffle_furnace","item_variant":"undefined"},{"item_id":"UIG863647","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"smelting_copper","item_variant":"undefined"},{"item_id":"UIG863654","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"assaying_of_silver","item_variant":"undefined"},{"item_id":"UIG863649","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"recovery_of_gold_from_amalgum","item_variant":"undefined"},{"item_id":"UIG540747","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"production_of_salpetre_nitre_potassium_nitrate_or_kn03_nitre_beds_heaps_of_manure_mixed_with_chalky_","item_variant":"undefined"},{"item_id":"UIG863650","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"assaying_copper_and_lead","item_variant":"undefined"},{"item_id":"UIG863653","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"assaying_copper","item_variant":"undefined"},{"item_id":"UIG540732","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"washing_ore_to_extract_gold_16th_century_engraving","item_variant":"undefined"},{"item_id":"HKL274814","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"plate_from_a_book_on_minerals_and_metals_by_l_ercker_1629_woodcut","item_variant":"undefined"},{"item_id":"UIG863685","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"assay_laboratory_for_gold_and_silver_1574_engraving","item_variant":"undefined"},{"item_id":"UIS5077412","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"les_equipements_d_analyse_du_cuivre_gravure_extraite_de_description_des_minerais_et_des_principales_","item_variant":"undefined"},{"item_id":"UIS5077373","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"purification_du_mierai_d_argent_par_le_feu_gravure_extraite_de_description_des_minerais_et_des_princ","item_variant":"undefined"},{"item_id":"UIS5077395","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"separation_des_minerais_d_or_et_de_mercure_gravure_extraite_de_description_des_minerais_et_des_princ","item_variant":"undefined"},{"item_id":"UIS5077368","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"le_pastillage_de_l_argent_gravure_extraite_de_description_des_minerais_et_des_principales_methodes_d","item_variant":"undefined"},{"item_id":"UIS5077367","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"analyse_du_salpetre_utilise_dans_la_poudre_a_canon_et_pour_la_conservation_des_viandes_gravure_extra","item_variant":"undefined"},{"item_id":"UIS5077429","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"traitement_du_bismuth_gravure_extraite_de_description_des_minerais_et_des_principales_methodes_d_exp","item_variant":"undefined"},{"item_id":"UIS5077434","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"la_preparation_du_salpetre_gravure_extraite_de_description_des_minerais_et_des_principales_methodes_","item_variant":"undefined"},{"item_id":"UIS5077392","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"lavage_du_minerai_d_or_dans_des_plateaux_de_bois_remplis_d_eau_gravure_extraite_de_description_des_m","item_variant":"undefined"},{"item_id":"UIS5077390","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"four_pour_chauffer_le_minerai_d_or_gravure_extraite_de_description_des_minerais_et_des_principales_m","item_variant":"undefined"},{"item_id":"UIS5077414","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"sechage_du_cuivre_purifie_apres_extraction_du_minerai_d_argent_gravure_extraite_de_description_des_m","item_variant":"undefined"},{"item_id":"UIS5077400","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"equipement_et_analyse_des_minerais_d_or_et_d_argent_gravure_extraite_de_description_des_minerais_et_","item_variant":"undefined"},{"item_id":"UIS5077381","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"lavage_du_minerai_d_or_gravure_extraite_de_description_des_minerais_et_des_principales_methodes_d_ex","item_variant":"undefined"},{"item_id":"UIS5077432","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"laboratoire_d_analyse_de_minerais_avec_four_instrument_et_outils_page_de_titre_de_description_des_mi","item_variant":"undefined"},{"item_id":"UIS5077377","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"technique_et_instruments_pour_chauffer_le_minerai_d_argent_gravure_extraite_de_description_des_miner","item_variant":"undefined"},{"item_id":"UIS5077402","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"four_de_preparation_du_liquide_de_separation_des_minerais_d_or_et_d_argent_gravure_extraite_de_descr","item_variant":"undefined"},{"item_id":"UIS5077416","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"preparation_des_liquides_utilises_pour_extraire_le_minerai_d_argent_de_celui_de_l_or_gravure_extrait","item_variant":"undefined"},{"item_id":"UIS5077427","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"un_homme_teste_le_salpetre_utilise_dans_la_poudre_a_canon_et_la_conservation_de_la_viande_gravure_ex","item_variant":"undefined"},{"item_id":"UIS5064562","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"alchemy_early_chemistry_assayer_s_laboratory_1574","item_variant":"undefined"},{"item_id":"UIS5083334","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"alchemy_early_chemistry_tools_for_assaying_gold_and_silver_e_1574_1679","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"ercker","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":48,"search_results_page_number":1}