{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"TRI212294","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"young_thomas_1773_1829","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_principle_of_the_interference_of_light_plate_20_from_volume_i_of_a_course_of_lectures_on_natural","item_variant":"undefined"},{"item_id":"UIG5311876","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"atmospheric_refraction","item_variant":"undefined"},{"item_id":"EPL6841411","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"refraction_demonstrated","item_variant":"undefined"},{"item_id":"JAN93130","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"annett_jeremy","item_category5":"not_balown","item_list_name":"search_results","item_name":"green_transparency_transparence_verte_1981_oil_on_canvas","item_variant":"undefined"},{"item_id":"CHT207815","item_category":"object","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":"sir_isaac_newton_1642_1727_breaking_up_the_light_through_a_prism_illustration_from_la_vie_des_savant","item_variant":"undefined"},{"item_id":"XEE4140442","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"anonymous","item_category5":"balown","item_list_name":"search_results","item_name":"light_refraction_mirage_atmospheric_refraction_gives_the_illusion_of_an_oasis_appearing_in_a_desert_","item_variant":"undefined"},{"item_id":"XEE4140452","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"anonymous","item_category5":"balown","item_list_name":"search_results","item_name":"refraction_of_light_laws_of_refraction_anonymous_illustration_of_1925_print","item_variant":"undefined"},{"item_id":"UIG5311868","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_table_of_the_refraction_of_the_air","item_variant":"undefined"},{"item_id":"CHT163647","item_category":"object","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":"NCO1203412","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"newton_isaac_1642_1727","item_category5":"not_balown","item_list_name":"search_results","item_name":"ms_new_coll_361_2_fol_45v_drawing_of_the_so_called_crucial_experiment_that_shows_light_from_the_sun_","item_variant":"undefined"},{"item_id":"XJL186982","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"hodges_ken_19th_century","item_category5":"balown","item_list_name":"search_results","item_name":"sir_william_herschel_1738_1822","item_variant":"undefined"},{"item_id":"UIG5311867","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_table_of_the_refraction_of_the_air","item_variant":"undefined"},{"item_id":"LIP1095586","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":"refraction_the_winner_of_the_oaks_engraving","item_variant":"undefined"},{"item_id":"XJF133927","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"dotti_giovanni_battista_d_1732_after","item_category5":"balown","item_list_name":"search_results","item_name":"scientific_instruments_engraved_by_gaetano_guadagnini_1800_60_engraving","item_variant":"undefined"},{"item_id":"LLM2781556","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":"refraction_de_la_chaleur_engraving","item_variant":"undefined"},{"item_id":"AHN5936116","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"caminker_alex","item_category5":"not_balown","item_list_name":"search_results","item_name":"light_refraction_2019_photomanipulation","item_variant":"undefined"},{"item_id":"XEE4140439","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"anonymous","item_category5":"balown","item_list_name":"search_results","item_name":"light_refraction_atmospheric_refraction_gives_the_illusion_that_the_sun_is_bigger_at_the_rise_or_sun","item_variant":"undefined"},{"item_id":"UIG532361","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_colours_of_the_visible_spectrum_vary_according_to_their_wavelengths","item_variant":"undefined"},{"item_id":"UIG5309416","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"engraving_depicting_a_double_convex_lens_showing_refraction_of_light_and_the_conjugate_focus_b_a_19t","item_variant":"undefined"},{"item_id":"PRX11865929","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"optics_theory_of_refraction_1810_print","item_variant":"undefined"},{"item_id":"XEE4140541","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"anonymous","item_category5":"balown","item_list_name":"search_results","item_name":"double_refraction_of_the_spath_1925_print","item_variant":"undefined"},{"item_id":"PRX11865856","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"pass_john_c_1783_1832","item_category5":"not_balown","item_list_name":"search_results","item_name":"reflection_and_refraction_of_light_1810_print","item_variant":"undefined"},{"item_id":"KWE360123","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"english_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"illustration_of_periscope_field_glasses_used_in_trench_warfare_for_observing_the_enemy_from_the_illu","item_variant":"undefined"},{"item_id":"LLM3625588","item_category":"illustration","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":"deformation_of_the_sun_s_disc_by_refraction_elliptic_form_of_the_sun_at_the_horizon_engraving","item_variant":"undefined"},{"item_id":"STC397230","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_17th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"dioptric_telescope_copy_of_an_engraving_by_boris_mestchersky_d_1957_illustration_from_histoire_de_la","item_variant":"undefined"},{"item_id":"CHT163646","item_category":"object","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":"UIG5311507","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"illustration_by_rene_descartes_showing_the_refraction_of_light_from_opera_philosophica_frankfurt_169","item_variant":"undefined"},{"item_id":"JAN1630581","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"annett_jeremy","item_category5":"not_balown","item_list_name":"search_results","item_name":"dark_ice_2015_oil_on_canvas","item_variant":"undefined"},{"item_id":"KWE188351","item_category":"object","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":"revolving_dioptric_apparatus_for_a_lighthouse_from_cyclopaedia_of_useful_arts_manufactures_edited_by","item_variant":"undefined"},{"item_id":"CCI2450194","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"kircher_athanasius_1602_80","item_category5":"not_balown","item_list_name":"search_results","item_name":"refraction_and_scattering_of_the_sunlight_1650_engraving","item_variant":"undefined"},{"item_id":"PRX11865996","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"pass_john_c_1783_1832","item_category5":"not_balown","item_list_name":"search_results","item_name":"optics_reflection_and_refraction_of_light_1810_print","item_variant":"undefined"},{"item_id":"XEE4140535","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"anonymous","item_category5":"balown","item_list_name":"search_results","item_name":"double_refraction_the_black_cross_1925_engraving","item_variant":"undefined"},{"item_id":"UIG865834","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"mirage_caused_by_atmospheric_refraction_print_1845","item_variant":"undefined"},{"item_id":"UIG5307094","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"in_optics_a_prism_is_a_transparent_optical_element_with_flat_polished_surfaces_that_refract_light","item_variant":"undefined"},{"item_id":"UIG5307093","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"in_optics_a_prism_is_a_transparent_optical_element_with_flat_polished_surfaces_that_refract_light","item_variant":"undefined"},{"item_id":"UDK844888","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"beam_of_light_refracting_through_glass","item_variant":"undefined"},{"item_id":"LLM7163596","item_category":"photo","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":"refraction_foaled_1842_b_w_photo","item_variant":"undefined"},{"item_id":"STC260870","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"emslie_john_1813_75","item_category5":"not_balown","item_list_name":"search_results","item_name":"optics_illustrations_of_natural_philosophy_from_popular_diagrams_published_by_james_reynolds_london_","item_variant":"undefined"},{"item_id":"LLM5229916","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"rainbow_colour_litho","item_variant":"undefined"},{"item_id":"XJF311262","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"herring_snr_john_frederick_1795_1865_after","item_category5":"balown","item_list_name":"search_results","item_name":"refraction_the_winner_of_the_oaks_from_the_illustrated_london_news_7th_june_1845_engraving","item_variant":"undefined"},{"item_id":"TKK358769","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"kings_tarka_b_1961","item_category5":"not_balown","item_list_name":"search_results","item_name":"emperor_fountain_iv_2007_gouache_on_panel","item_variant":"undefined"},{"item_id":"UIG532364","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"light_waves_matching_the_orientation_of_the_molecules_of_a_polarizing_filter_are_absorbed_reducing_t","item_variant":"undefined"},{"item_id":"JAN93131","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"annett_jeremy","item_category5":"not_balown","item_list_name":"search_results","item_name":"legato_1983_oil_on_hardboard","item_variant":"undefined"},{"item_id":"XEE4140451","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"anonymous","item_category5":"balown","item_list_name":"search_results","item_name":"light_refraction_stick_phenomene_in_water_1925_print","item_variant":"undefined"},{"item_id":"XEE4140532","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"anonymous","item_category5":"balown","item_list_name":"search_results","item_name":"double_refraction_mineralogy_anonymous_illustration_of_1925_print","item_variant":"undefined"},{"item_id":"UIG5425771","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"diagram_illustrating_the_effect_of_refraction_dated_19th_century","item_variant":"undefined"},{"item_id":"UIG5425731","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"diagram_illustrating_the_effect_of_refraction_dated_19th_century","item_variant":"undefined"},{"item_id":"UIG5425774","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"diagram_illustrating_the_effect_of_refraction_dated_16th_century","item_variant":"undefined"},{"item_id":"ELS9068907","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"palagi_pelagio_1775_1860","item_category5":"not_balown","item_list_name":"search_results","item_name":"isaac_newtong_discovers_the_refration_of_light_painting_on_canvas","item_variant":"undefined"},{"item_id":"UIG5425993","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"diagram_illustrating_the_effect_of_refraction_dated_16th_century","item_variant":"undefined"},{"item_id":"UIG5425724","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"diagram_illustrating_the_effect_of_refraction_dated_19th_century","item_variant":"undefined"},{"item_id":"UIG532371","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"when_monochromatic_light_passing_through_a_single_slit_illuminates_a_screen_a_characteristic_diffrac","item_variant":"undefined"},{"item_id":"UIG532370","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"when_monochromatic_light_passes_through_two_narrow_slits_to_illuminate_a_screen_it_creates_a_pattern","item_variant":"undefined"},{"item_id":"UDK844618","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"light_experiment_using_convex_mirror_reflecting_the_light_outwards","item_variant":"undefined"},{"item_id":"UIG534908","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"snell_s_law","item_variant":"undefined"},{"item_id":"UIG532359","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"double_refraction_showing_two_rays_emerging_when_a_single_light_ray_strikes_a_calcite_crystal_at_a_r","item_variant":"undefined"},{"item_id":"UIG5310949","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_isaac_newton_s_experiment_showing_how_a_prism_refracted_a_beam_of_light_and_b","item_variant":"undefined"},{"item_id":"NAD3530541","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"shemesh_lorraine_b_1949","item_category5":"not_balown","item_list_name":"search_results","item_name":"propeller_2002_graphite_wash_on_mylar","item_variant":"undefined"},{"item_id":"UIG5425934","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"diagram_illustrating_the_effect_of_refraction_dated_19th_century","item_variant":"undefined"},{"item_id":"XEE4140528","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"anonymous","item_category5":"balown","item_list_name":"search_results","item_name":"double_refraction_saccharimeter_anonymous_illustration_of_1925_print","item_variant":"undefined"},{"item_id":"PRX11865867","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"optics_theory_of_refraction_plate_ii_1810_print","item_variant":"undefined"},{"item_id":"UIG5425777","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"diagram_illustrating_the_effect_of_refraction_dated_16th_century","item_variant":"undefined"},{"item_id":"GRC1126323","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"unknown_artist_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"diagram_of_basic_concepts_of_astronomy_1922_colour_litho","item_variant":"undefined"},{"item_id":"UDK844983","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"drinking_straws_beneath_a_glass_prism","item_variant":"undefined"},{"item_id":"UIG540355","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"mock_sun_with_sunbows_and_halo_observed_from_the_arctic_circle_this_phenomenon_is_caused_by_atmosphe","item_variant":"undefined"},{"item_id":"UIG5310316","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"diagram_explaining_the_christiaan_huygens_wave_theory_of_light_by_refraction","item_variant":"undefined"},{"item_id":"UDK844851","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"prism_refracting_light_on_glass_triangle","item_variant":"undefined"},{"item_id":"UIG5311290","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_the_refraction_of_a_beam_of_light_in_a_bowl_of_water_the_beam_of_light_is_ben","item_variant":"undefined"},{"item_id":"NHM1452745","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"calcite_or_iceland_spar_photo","item_variant":"undefined"},{"item_id":"XEE4140448","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"anonymous","item_category5":"balown","item_list_name":"search_results","item_name":"refraction_of_light_boundary_angle_anonymous_illustration_of_1925_print","item_variant":"undefined"},{"item_id":"XEE4140533","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"anonymous","item_category5":"balown","item_list_name":"search_results","item_name":"double_refraction_the_white_cross_anonymous_illustration_of_1925_print","item_variant":"undefined"},{"item_id":"AVE8905238","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"1960s_pencil_placed_in_glass_of_water_to_show_refraction_effect","item_variant":"undefined"},{"item_id":"CHT163645","item_category":"object","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":"UIG5311289","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_refraction_a_piece_of_wood_appearing_to_be_bent_where_it_enters_the_water_bec","item_variant":"undefined"},{"item_id":"XPH311109","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"theory_of_colours_1810_photo","item_variant":"undefined"},{"item_id":"LLM5210967","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"wright_henry_charles_seppings_1850_1937","item_category5":"not_balown","item_list_name":"search_results","item_name":"fata_morgana_colour_litho","item_variant":"undefined"},{"item_id":"UIG539267","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"light_educational_plate_published_wurtemberg_c_1850_showing_reflection_and_refraction_light_travelli","item_variant":"undefined"},{"item_id":"DGA1258344","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"palagi_pelagio_1775_1860","item_category5":"not_balown","item_list_name":"search_results","item_name":"isaac_newton_s_discovery_of_the_refraction_of_light_1827_oil_on_canvas_by_pelagio_palagi_1775_1860_2","item_variant":"undefined"},{"item_id":"JSC383807","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"sedgley_peter_b_1930","item_category5":"not_balown","item_list_name":"search_results","item_name":"moving_disc_with_projected_light_c_1980_mixed_media","item_variant":"undefined"},{"item_id":"UDK844609","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"model_of_refractometer_invented_by_ernst_abbe_1869","item_variant":"undefined"},{"item_id":"UDK844475","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"glass_rod_refracted_in_beaker_of_water","item_variant":"undefined"},{"item_id":"CUL4935125","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"rotger","item_category5":"not_balown","item_list_name":"search_results","item_name":"refraction_of_rays_inside_the_human_eye_from_dioptrique_by_descartes_1637_engraving","item_variant":"undefined"},{"item_id":"MEP3612810","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"sergio_anelli","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_willebrord_snel_engraving","item_variant":"undefined"},{"item_id":"PLL3949918","item_category":"photo","item_category2":"in_copyright","item_category3":"standard","item_category4":"abbott_berenice_1898_1991","item_category5":"not_balown","item_list_name":"search_results","item_name":"beams_of_light_through_glass_1940s_60s_printed_1982_gelatin_silver_print","item_variant":"undefined"},{"item_id":"DGA5184514","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"palagi_pelagio_1775_1860","item_category5":"not_balown","item_list_name":"search_results","item_name":"isaac_newton_s_1642_1727_discovery_of_refraction_of_light_1827_oil_on_canvas","item_variant":"undefined"},{"item_id":"UIG540352","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"parhelia_mock_suns_combined_with_halo_and_rainbow_this_phenomenon_caused_by_atmospheric_refraction_w","item_variant":"undefined"},{"item_id":"UDK844702","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"felt_tip_pen_in_glass_of_water_appearing_to_be_bent","item_variant":"undefined"},{"item_id":"UIG5311537","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"descartes_experiment_showing_refraction_by_a_prism_and_the_formation_of_colours_from_white_light_17t","item_variant":"undefined"},{"item_id":"LLM5205186","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"why_a_diamond_is_cut_chromolitho","item_variant":"undefined"},{"item_id":"UIG801728","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_unique_display_created_by_refraction_of_light_south_africa_march_23_2009_photo","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"rifrazione","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":221,"search_results_page_number":1}