{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"UIG3586308","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"james_watt","item_variant":"undefined"},{"item_id":"UIG3585967","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"alexander_william_williamson","item_variant":"undefined"},{"item_id":"XLA3766794","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"robert_bunsen","item_variant":"undefined"},{"item_id":"UIG5311335","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_engraving_depicting_breguet_s_modified_metallic_thermometer_which_depended_on_the_unequal_expansi","item_variant":"undefined"},{"item_id":"UIG5311345","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_engraving_depicting_breguet_s_modified_metallic_thermometer_which_depended_on_the_unequal_expansi","item_variant":"undefined"},{"item_id":"UIG5311361","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_engraving_depicting_hans_christian_orsted_s_discovery_of_the_directive_action_of_currents_upon_ma","item_variant":"undefined"},{"item_id":"UIG5311346","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_engraving_depicting_andreas_cuneus_attempting_to_electrify_water_contained_in_a_leyden_bottle_174","item_variant":"undefined"},{"item_id":"UIG3586337","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"gaston_tissandier","item_variant":"undefined"},{"item_id":"XLF3787331","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"the_history_of_gas_philippe_lebon","item_variant":"undefined"},{"item_id":"DGA419083","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"kerseboom_johannes_18th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_robert_boyle_oil_on_canvas","item_variant":"undefined"},{"item_id":"ZIN47085","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_18th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_joseph_priestley_1733_1804","item_variant":"undefined"},{"item_id":"UIG5311430","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_engraving_depicting_carre_s_apparatus_for_the_artificial_production_of_ice_a_vessel_containing_co","item_variant":"undefined"},{"item_id":"UIG5311538","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"iron_hitting_flint_being_used_to_create_a_spark_descartes_used_this_to_illustrate_his_idea_that_esse","item_variant":"undefined"},{"item_id":"UIG3586340","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"gaston_tissandier","item_variant":"undefined"},{"item_id":"TRK561103","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"wohler_friedrich_eschersheim_1800_gottingen_1882_german_chemist_drawing","item_variant":"undefined"},{"item_id":"UIG3586341","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"gaston_tissandier","item_variant":"undefined"},{"item_id":"UIG3586199","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"james_watt","item_variant":"undefined"},{"item_id":"TRK561156","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"curie_irene_paris_1897_1956","item_variant":"undefined"},{"item_id":"DGA772851","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_joseph_priestley_fieldhead_1733_northumberland_1804_english_chemist_and_philosopher_pain","item_variant":"undefined"},{"item_id":"LLM3634272","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"roger_bacon_s_study_engraving","item_variant":"undefined"},{"item_id":"UIG5311443","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_engraving_depicting_an_english_rotating_furnace_for_the_manufacture_of_sodium_carbonate_by_the_le","item_variant":"undefined"},{"item_id":"UIG3586313","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"louis_joseph_troost","item_variant":"undefined"},{"item_id":"UIG3586198","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"home_of_james_watt","item_variant":"undefined"},{"item_id":"UIG3586104","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"louis_jacques_thenard","item_variant":"undefined"},{"item_id":"UIG3586309","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"james_watt","item_variant":"undefined"},{"item_id":"UIG3586204","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"james_watt","item_variant":"undefined"},{"item_id":"UIG3586307","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"james_watt","item_variant":"undefined"},{"item_id":"UIG3586205","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"james_watt","item_variant":"undefined"},{"item_id":"UIG3586203","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"james_watt","item_variant":"undefined"},{"item_id":"UIG3586207","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"james_watt","item_variant":"undefined"},{"item_id":"XLF3779330","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"marie_curie_with_her_daughters_irene_and_eve","item_variant":"undefined"},{"item_id":"DGA3685416","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_claude_louis_berthollet_1748_1822_french_chemist_engraving","item_variant":"undefined"},{"item_id":"TRK560604","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"oersted_hans_christian_1777_1851_danish_physicist_and_chemist_oersted_discovers_electromagnetism","item_variant":"undefined"},{"item_id":"UIG863358","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"friedrich_wohler_1800_1882","item_variant":"undefined"},{"item_id":"LLM3655136","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_blowpipe_engraving","item_variant":"undefined"},{"item_id":"STC409099","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"mestchersky_boris_d_1957","item_category5":"not_balown","item_list_name":"search_results","item_name":"gay_lussac_illustration_from_histoire_de_la_nation_francaise_sciences_volumes_i_ii_by_gabriel_hanota","item_variant":"undefined"},{"item_id":"UIG863357","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"andrew_ure_1778_1857","item_variant":"undefined"},{"item_id":"EVB2935659","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"melvin_calvin_1911_1997_1961_nobel_prize_winning_american_chemist_holding_a_model_of_the_sucrose_mol","item_variant":"undefined"},{"item_id":"UIG5311606","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_engraving_depicting_an_english_rotating_furnace_for_the_manufacture_of_sodium_carbonate_by_the_le","item_variant":"undefined"},{"item_id":"UIG5311608","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_engraving_depicting_an_english_rotating_furnace_for_the_manufacture_of_sodium_carbonate_by_the_le","item_variant":"undefined"},{"item_id":"UIG5311607","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_engraving_depicting_an_english_rotating_furnace_for_the_manufacture_of_sodium_carbonate_by_the_le","item_variant":"undefined"},{"item_id":"EUL411113","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"penicillin_mould_presented_to_the_student_representative_council_by_sir_alexander_fleming_when_elect","item_variant":"undefined"},{"item_id":"DGA3929147","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"repin_ilya_efimovich_1844_1930","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_alexander_borodin_1888_oil_on_canvas","item_variant":"undefined"},{"item_id":"STC397198","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"mestchersky_boris_d_1957","item_category5":"not_balown","item_list_name":"search_results","item_name":"gay_lussac_illustration_from_histoire_de_la_nation_francaise_sciences_volumes_i_ii_by_gabriel_hanota","item_variant":"undefined"},{"item_id":"XLF3792287","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"marie_curie_with_her_daughters_irene_and_eve","item_variant":"undefined"},{"item_id":"LLM3646945","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"chemistry_laboratory_at_the_university_of_altdorf_engraving","item_variant":"undefined"},{"item_id":"CHT168620","item_category":"object","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"french_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"louis_pasteur_1822_95_saving_the_life_of_joseph_meister_in_1885_illustration_from_a_history_book_195","item_variant":"undefined"},{"item_id":"STC397199","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"thenard_illustration_from_histoire_de_la_nation_francaise_sciences_volumes_i_ii_by_gabriel_hanotaux_","item_variant":"undefined"},{"item_id":"UIG866186","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"pierre_joseph_macquer_1711_1784_french_chemist","item_variant":"undefined"},{"item_id":"EUL411112","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"penicillin_mould_presented_to_the_student_representative_council_by_sir_alexander_fleming_when_elect","item_variant":"undefined"},{"item_id":"UIG3732691","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"louis_bernard_guyton_de_morveau_s_ascent_from_dijon","item_variant":"undefined"},{"item_id":"UIG863339","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"william_gregory_1803_1858","item_variant":"undefined"},{"item_id":"UIG863377","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"james_blythe_rogers_1802_1852","item_variant":"undefined"},{"item_id":"UIG864420","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"lyon_playfair_1819_1898","item_variant":"undefined"},{"item_id":"LLE811081","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_honourable_robert_boyle_1627_1691_engraving","item_variant":"undefined"},{"item_id":"LLM5198199","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"sheldon_charles_mills_1866_1928_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_young_humphry_davy_making_his_first_experiments_litho","item_variant":"undefined"},{"item_id":"LLM6004307","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_chemist_engraving","item_variant":"undefined"},{"item_id":"UIG863335","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"leopold_gmelin_1788_1853","item_variant":"undefined"},{"item_id":"XLF3785239","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"maria_habraea","item_variant":"undefined"},{"item_id":"LLM5998126","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"european_photographer_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"dmitri_mendeleev_b_w_photo","item_variant":"undefined"},{"item_id":"XLF3787329","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"the_history_of_gas_johann_becker_of_munich","item_variant":"undefined"},{"item_id":"UIG863336","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"george_fownes_1815_1849","item_variant":"undefined"},{"item_id":"DGA3553058","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"profile_portrait_of_henri_louis_le_chatelier_1850_1936_french_chemist_and_metallurgist_engraving","item_variant":"undefined"},{"item_id":"KWE3588318","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"robert_william_boyle_anglo_irish_natural_philosopher_chemist_physicist_and_inventor_from_les_merveil","item_variant":"undefined"},{"item_id":"UIG3586193","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"national_testimonial_memorial_proposed_for_james_watt","item_variant":"undefined"},{"item_id":"UIG3586197","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"diagram_of_james_watt_s_steam_indicator","item_variant":"undefined"},{"item_id":"DGA1258584","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_dmitri_ivanovich_mendeleev_tobolsk_1834_st_petersburg_1907_russian_chemist_illustration","item_variant":"undefined"},{"item_id":"DGA775880","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"craig_alexander_d_1878","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_thomas_graham_oil_on_canvas_detail","item_variant":"undefined"},{"item_id":"UIG3732692","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"louis_bernard_guyton_de_morveau_s_ascent_from_dijon","item_variant":"undefined"},{"item_id":"TRK560745","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"nobel_alfred","item_variant":"undefined"},{"item_id":"UIG863341","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"thomas_graham_1805_1869","item_variant":"undefined"},{"item_id":"UIG863359","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"thomas_thomson_1773_1852","item_variant":"undefined"},{"item_id":"UIG866185","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"pierre_joseph_macquer_s_1711_1784_french_chemist_experiment_on_synthesising_water_1781","item_variant":"undefined"},{"item_id":"UIG863343","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"michael_faraday_1791_1867","item_variant":"undefined"},{"item_id":"UIG2603648","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"olaus_borrichius_or_ole_or_olug_borch_1725_engraving","item_variant":"undefined"},{"item_id":"UIG863344","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"jean_baptiste_dumas_1814_1884","item_variant":"undefined"},{"item_id":"UIG541011","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_photographer_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"from_left_to_right_chemists_and_physicists_kirchhoff_von_bunsen_and_roscoe_c1860_gustave_robert_kirc","item_variant":"undefined"},{"item_id":"STC397201","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"mestchersky_boris_d_1957","item_category5":"not_balown","item_list_name":"search_results","item_name":"gerhardt_illustration_from_histoire_de_la_nation_francaise_sciences_volumes_i_ii_by_gabriel_hanotaux","item_variant":"undefined"},{"item_id":"XJF396082","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_16th_century_after","item_category5":"balown","item_list_name":"search_results","item_name":"the_alchemist_at_work_copy_of_an_illustration_from_coelum_philosophorum_by_philippus_ulstadius_paris","item_variant":"undefined"},{"item_id":"DGA2581460","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"otto_hahn_frankfurt_am_main_1879_gottingen_1968_german_chemist_and_physicist_nobel_prize_for_chemist","item_variant":"undefined"},{"item_id":"DGA2581205","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_friedrich_wilhelm_ostwald_riga_1853_leipzig_1932_baltic_german_chemist_nobel_prize_in_ch","item_variant":"undefined"},{"item_id":"XEE4140780","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"anonymous","item_category5":"balown","item_list_name":"search_results","item_name":"electrochemistry_electrolysis_of_water_by_anthony_carlisle_and_william_nicholson_in_london_on_may_2_","item_variant":"undefined"},{"item_id":"STC409103","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"mestchersky_boris_d_1957","item_category5":"not_balown","item_list_name":"search_results","item_name":"gerhardt_illustration_from_histoire_de_la_nation_francaise_sciences_volumes_i_ii_by_gabriel_hanotaux","item_variant":"undefined"},{"item_id":"UIG863334","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"eilhard_mitscherlich_1794_1863","item_variant":"undefined"},{"item_id":"UIG1581867","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_robert_boyle_london_england_c_1655_b_w_photo","item_variant":"undefined"},{"item_id":"EVB2927293","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"dr_linus_pauling_in_1960_pauling_is_the_winner_of_the_nobel_prize_in_chemistry_for_1954_and_recipien","item_variant":"undefined"},{"item_id":"STC202546","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_school_17th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"alchemical_allegory_the_philosopher_s_egg_from_srutinium_chymicum_by_michael_majer_1687_illustrated_","item_variant":"undefined"},{"item_id":"UIG863340","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"eben_norton_horsfod_1818_1893","item_variant":"undefined"},{"item_id":"EVB2936529","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"sir_humphry_davy_1778_1829_british_chemist_discovered_several_chemical_elements_including_sodium_pot","item_variant":"undefined"},{"item_id":"UIG3740688","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_alchemical_microcosm_for_the_sulphur_mercury_theory_for_the_production_of_the_philosopher_s_ston","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"histoire de la chimie","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":744,"search_results_page_number":1}