{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"AII135306","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"niceron_jean_francois_1613_46","item_category5":"not_balown","item_list_name":"search_results","item_name":"anamorphosis_oil_on_panel","item_variant":"undefined"},{"item_id":"CHT175004","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"chevalier_charles_fl_1835","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_phenakisticope_with_a_cherub_design_card_1835_photo","item_variant":"undefined"},{"item_id":"BLT237201","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"optical_diagram_from_de_homine_figuris_by_rene_descartes_1596_1650_published_in_the_hague_1662_engra","item_variant":"undefined"},{"item_id":"AII135323","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"niceron_jean_francois_1613_46","item_category5":"not_balown","item_list_name":"search_results","item_name":"anamorphosis_oil_on_canvas","item_variant":"undefined"},{"item_id":"AII135305","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"niceron_jean_francois_1613_46","item_category5":"not_balown","item_list_name":"search_results","item_name":"anamorphosis_oil_on_panel","item_variant":"undefined"},{"item_id":"GHL209102","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_zograscope_for_viewing_a_vue_d_optique_wood","item_variant":"undefined"},{"item_id":"MOU133233","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"wit_jacob_de_1695_1754","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_sir_isaac_newton_1642_1727_oil_and_grisaille","item_variant":"undefined"},{"item_id":"XJL62386","item_category2":"in_copyright","item_category3":"standard","item_category4":"le_parc_julio_b_1928","item_category5":"balown","item_list_name":"search_results","item_name":"vibratory_effects_1974","item_variant":"undefined"},{"item_id":"CHT175003","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"chevalier_charles_fl_1835","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_phenakisticope_with_a_dancing_couple_card_1835_photo","item_variant":"undefined"},{"item_id":"BLT200464","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"illustration_from_de_homine_figuris_by_rene_descartes_1596_1650_published_in_the_hague_1662_engravin","item_variant":"undefined"},{"item_id":"CHT163647","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"illustration_from_la_dioptrique_by_rene_descartes_1596_1650_following_the_discours_de_la_methode_fir","item_variant":"undefined"},{"item_id":"CHT200414","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":"solar_microscope_from_les_grandes_inventions_anciennes_et_modernes_by_louis_figuier_1819_94_paris_18","item_variant":"undefined"},{"item_id":"CHT207698","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_18th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"scientific_experiments_illustration_from_observations_sur_la_physique_sur_l_histoire_naturelle_et_su","item_variant":"undefined"},{"item_id":"KW114977","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"italian_school","item_category5":"not_balown","item_list_name":"search_results","item_name":"optical_illusion_in_which_the_dome_appears_convex_and_then_concave_photo","item_variant":"undefined"},{"item_id":"CHT163646","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"illustration_from_la_dioptrique_by_rene_descartes_1596_1650_following_the_discours_de_la_methode_fir","item_variant":"undefined"},{"item_id":"CHT163645","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":"illustration_from_the_oeuvres_de_descartes_published_by_victor_cousin_paris_1824_engraving_b_w_photo","item_variant":"undefined"},{"item_id":"CHT200413","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":"phantasmagoria_from_memoires_recreatifs_scientifiques_et_anecdotiques_by_etienne_gaspard_robertson_1","item_variant":"undefined"},{"item_id":"CHT81828","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"boilly_louis_leopold_1761_1845_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_optical_illusion_1794_engraving_b_w_photo","item_variant":"undefined"},{"item_id":"BAL10495","item_category2":"in_copyright","item_category3":"standard","item_category4":"duchamp_marcel_1887_1968","item_category5":"not_balown","item_list_name":"search_results","item_name":"rotoreliefs_optical_discs_see_also_90821_the_rotoreliefs_were_first_shown_at_the_openining_of_the_33","item_variant":"undefined"},{"item_id":"CHT200463","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"french_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"advertisement_for_amor_glasses_from_elle_2nd_december_1957_colour_litho","item_variant":"undefined"},{"item_id":"HJA247907","item_category2":"in_copyright","item_category3":"standard","item_category4":"davis_george_horace_1881_1963","item_category5":"not_balown","item_list_name":"search_results","item_name":"germany_s_mechanical_bomb_sight_details_of_the_lotfe_7_b_from_the_illustrated_london_news_4th_januar","item_variant":"undefined"},{"item_id":"XIR242767","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"le_clerc_sebastien_i_1637_1714","item_category5":"balown","item_list_name":"search_results","item_name":"cabinet_of_physics_1687_pen_ink_on_paper_b_w_photo","item_variant":"undefined"},{"item_id":"XJF173288","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"balown","item_list_name":"search_results","item_name":"portrait_of_roger_bacon_c_1220_92_illustration_from_science_and_literature_in_the_middle_ages_and_th","item_variant":"undefined"},{"item_id":"KWE268328","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"cook_j_w_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"roger_bacon_engraving","item_variant":"undefined"},{"item_id":"CHT200461","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"engelbrecht_martin_1684_1756","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_glasses_maker_augsburg_1735_coloured_engraving","item_variant":"undefined"},{"item_id":"JAB7134527","item_category2":"no_copyright","item_category3":"standard","item_category4":"jaime_abecasis","item_category5":"not_balown","item_list_name":"search_results","item_name":"hippolyte_fizeau_french_physicist_1859_engraving","item_variant":"undefined"},{"item_id":"LLM7185636","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"adam_victor_1801_66_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"colours_of_the_spectrum_colour_litho","item_variant":"undefined"},{"item_id":"XIR161390","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_18th_century","item_category5":"balown","item_list_name":"search_results","item_name":"instruments_d_optique_by_dom_noel_the_first_in_a_series_of_21_plates_illustrating_elevations_and_cro","item_variant":"undefined"},{"item_id":"LLM7185637","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"adam_victor_1801_66_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"electron_microscope_litho","item_variant":"undefined"},{"item_id":"CHT163643","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":"georges_louis_leclerc_1707_88_count_de_buffon_experimenting_blazing_mirrors_on_haystacks_at_montbard","item_variant":"undefined"},{"item_id":"XIR182926","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"tardieu_ambroise_1788_1841","item_category5":"balown","item_list_name":"search_results","item_name":"augustin_jean_fresnel_1788_1827_1825_engraving_b_w_photo","item_variant":"undefined"},{"item_id":"LLM7185641","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"adam_victor_1801_66_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"cinema_projector_litho","item_variant":"undefined"},{"item_id":"LLM7185639","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"adam_victor_1801_66_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"looking_in_a_mirror_litho","item_variant":"undefined"},{"item_id":"LLM7200802","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"russian_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"sergey_vavilov_soviet_russian_physicist_b_w_photo","item_variant":"undefined"},{"item_id":"LLM7185638","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"adam_victor_1801_66_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"distorting_mirrors_colour_litho","item_variant":"undefined"},{"item_id":"LLM7185634","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"adam_victor_1801_66_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"woman_using_a_microfilm_reader_colour_litho","item_variant":"undefined"},{"item_id":"LLM7185640","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"adam_victor_1801_66_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"reflection_of_a_church_in_water_litho","item_variant":"undefined"},{"item_id":"CHT175001","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":"a_zoetrope_band_depicting_a_cyclist_coloured_engraving","item_variant":"undefined"},{"item_id":"KWE189059","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":"johannes_kepler_1571_1630_from_gallery_of_portraits_published_in_1833_engraving","item_variant":"undefined"},{"item_id":"LLM7200791","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"russian_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"dmitri_maksutov_soviet_russian_optical_engineer_and_astronomer_b_w_photo","item_variant":"undefined"},{"item_id":"BL239314","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"sloane_981_fol_68_diagram_of_the_eye_from_a_book_by_macharias_14th_15th_century_vellum","item_variant":"undefined"},{"item_id":"SJB8615111","item_category2":"no_copyright","item_category3":"standard","item_category4":"kristoffersson","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_group_of_five_men_all_dressed_in_white_suits_1940s_photo","item_variant":"undefined"},{"item_id":"SJB7288510","item_category2":"no_copyright","item_category3":"standard","item_category4":"kristoffersson","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_group_of_five_men_all_dressed_in_white_suits_smoking_pipes_are_looking_at_something_through_a_magn","item_variant":"undefined"},{"item_id":"TRK7133646","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"isaac_newton_1642_1727_1744_engraving","item_variant":"undefined"},{"item_id":"XAM77576","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"durer_or_duerer_albrecht_1471_1528","item_category5":"balown","item_list_name":"search_results","item_name":"apparatus_for_translating_three_dimensional_objects_into_two_dimensional_drawings_two_scenes_from_th","item_variant":"undefined"},{"item_id":"UTD7093344","item_category2":"no_copyright","item_category3":"standard","item_category4":"erich_andres","item_category5":"not_balown","item_list_name":"search_results","item_name":"germany_zeiss_jena_shows_two_astronomical_telescopes_at_the_leipzig_spring_fair_1949_germany","item_variant":"undefined"},{"item_id":"UTD7093371","item_category2":"no_copyright","item_category3":"standard","item_category4":"erich_andres","item_category5":"not_balown","item_list_name":"search_results","item_name":"germany_german_industrial_fair_1956_in_hanover_prof_dr_ludwig_erhard_2nd_from_left_at_the_rodenstock","item_variant":"undefined"},{"item_id":"SJB7289075","item_category2":"no_copyright","item_category3":"standard","item_category4":"kristoffersson","item_category5":"not_balown","item_list_name":"search_results","item_name":"woman_with_glasses_1940s_b_w_photo","item_variant":"undefined"},{"item_id":"SZT7138144","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"old_mountain_road_in_landsberg_am_lech_around_1935_b_w_photo","item_variant":"undefined"},{"item_id":"SBL7129494","item_category2":"in_copyright","item_category3":"standard","item_category4":"stella_frank_b_1936","item_category5":"not_balown","item_list_name":"search_results","item_name":"gray_scramble_1968_69_oil_and_pencil_on_canvas","item_variant":"undefined"},{"item_id":"WES7240975","item_category2":"in_copyright","item_category3":"standard","item_category4":"clements_christopher","item_category5":"not_balown","item_list_name":"search_results","item_name":"granary_grill_barmaids_at_weston_park_brasserie_2011_oil_on_canvas","item_variant":"undefined"},{"item_id":"XOS7296396","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"cazenave_frederic_active_1793_1843","item_category5":"balown","item_list_name":"search_results","item_name":"the_optical_viewer_c_1793_etching_and_wash","item_variant":"undefined"},{"item_id":"LLM8652743","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":"newton_discovering_the_nature_of_light_coloured_engraving","item_variant":"undefined"},{"item_id":"LLM7197723","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"european_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"le_vocabulaire_illustre_theodolite_hohenmesser_engraving","item_variant":"undefined"},{"item_id":"LLM7158987","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"wolff_paul_1887_1951","item_category5":"not_balown","item_list_name":"search_results","item_name":"german_industry_1930s_polishing_lenses_in_an_optical_factory_in_hessen_nassau_b_w_photo","item_variant":"undefined"},{"item_id":"LLM7158989","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"wolff_paul_1887_1951","item_category5":"not_balown","item_list_name":"search_results","item_name":"german_industry_1930s_testing_a_lense_b_w_photo","item_variant":"undefined"},{"item_id":"LLM8663802","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"laplante_charles_d_1903","item_category5":"not_balown","item_list_name":"search_results","item_name":"bernieres_great_burning_glass_1757_engraving","item_variant":"undefined"},{"item_id":"LLM7186569","item_category2":"in_copyright","item_category3":"standard","item_category4":"morrow_george_1870_1955","item_category5":"not_balown","item_list_name":"search_results","item_name":"spoof_advertisement_for_england_day_by_day_1903_litho","item_variant":"undefined"},{"item_id":"LLM7158988","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"wolff_paul_1887_1951","item_category5":"not_balown","item_list_name":"search_results","item_name":"german_industry_1930s_testing_image_reversing_prisms_b_w_photo","item_variant":"undefined"},{"item_id":"LLM7158990","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"wolff_paul_1887_1951","item_category5":"not_balown","item_list_name":"search_results","item_name":"german_industry_1930s_testing_lenses_b_w_photo","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"optics","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":106,"search_results_page_number":1}