{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"UTD2873265","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"recruits_training_with_a_gyrostat_germany_1930s_b_w_photo","item_variant":"undefined"},{"item_id":"UTD2874186","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_food_chemist_of_a_company_producing_milk_analyzing_equipment_at_his_work_at_the_booth_at_the_inter","item_variant":"undefined"},{"item_id":"UTD2874185","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"two_staff_members_of_a_company_producing_milk_analyzing_equipment_having_their_brown_bag_lunch_at_th","item_variant":"undefined"},{"item_id":"XCF130649","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"backstaff_18th_century_wood","item_variant":"undefined"},{"item_id":"EPL6978366","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"standard_metre","item_variant":"undefined"},{"item_id":"AVE8903967","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"1960s_meter_attached_to_wires_needle_on_meter_moves","item_variant":"undefined"},{"item_id":"JLJ4623202","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"lavoisier_antoine_laurent_de_1743_94","item_category5":"not_balown","item_list_name":"search_results","item_name":"measuring_instrument_balance_1793_object","item_variant":"undefined"},{"item_id":"XJF208327","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"balown","item_list_name":"search_results","item_name":"the_diamond_jubilee_thermometer_of_life_printed_by_m_m_whelan_and_company_1897_engraving","item_variant":"undefined"},{"item_id":"JLJ4643840","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"portuguese_school_16th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"measuring_instrument_16th_century","item_variant":"undefined"},{"item_id":"XLF3787546","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"statue_of_roland_used_as_a_measuring_device","item_variant":"undefined"},{"item_id":"LLJ587865","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":"portrait_of_colonel_gage_engraving","item_variant":"undefined"},{"item_id":"HFE4441306","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"tourmente","item_category5":"not_balown","item_list_name":"search_results","item_name":"vegetable_garden_gauge_endive","item_variant":"undefined"},{"item_id":"GIA4696106","item_category":"illustration","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":"use_of_the_new_measures_of_the_french_revolution","item_variant":"undefined"},{"item_id":"CHT236035","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":"piezoelectric_quartz_apparatus_designed_by_pierre_1859_1906_and_jacques_curie_1897","item_variant":"undefined"},{"item_id":"GIA4777416","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_artist_18th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"use_of_new_weights_and_measures_in_1795","item_variant":"undefined"},{"item_id":"CHT236041","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"apparatus_used_by_jean_frederic_1900_58_and_irene_joliot_curie_1897_1956_to_discover_artificial_radi","item_variant":"undefined"},{"item_id":"XOT366465","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519_after","item_category5":"balown","item_list_name":"search_results","item_name":"reconstruction_of_da_vinci_s_design_for_an_anemometer_wood_metal","item_variant":"undefined"},{"item_id":"MOL226477","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"roman","item_category5":"not_balown","item_list_name":"search_results","item_name":"roman_rule_with_rivet_in_locked_position_b_w_photo","item_variant":"undefined"},{"item_id":"LZT1033981","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"open_air_gauge","item_variant":"undefined"},{"item_id":"UIS5091045","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"owens_deposition_gauge_1913","item_variant":"undefined"},{"item_id":"STC237097","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"bosse_abraham_1602_76_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"artist_painting_a_portrait_over_a_grid_for_accurate_proportion_printed_paris_1737_engraving","item_variant":"undefined"},{"item_id":"LLM2791926","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":"yellow_champagne_whitesmith_red_champagne_pitmaston_green_gage_green_gage_red_warrington_chromolitho","item_variant":"undefined"},{"item_id":"UDK844314","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"using_electric_gauge_to_test_current_close_up","item_variant":"undefined"},{"item_id":"GIA4729481","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"netherlandish_school_16th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"16th_century_dutch_navigation_treaty_on_the_right_tidal_hours","item_variant":"undefined"},{"item_id":"GIA4755829","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"anonymous","item_category5":"not_balown","item_list_name":"search_results","item_name":"minerva_chronometer_1950s","item_variant":"undefined"},{"item_id":"GIA4755843","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":"19th_century_english_dynamometer_apparatus_for_measuring_force_intensity","item_variant":"undefined"},{"item_id":"AMO121141","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"paleolithic","item_category5":"not_balown","item_list_name":"search_results","item_name":"point_of_a_harpoon_late_paleolithic_magdalenien_style_c_18000_10000_bc_bone","item_variant":"undefined"},{"item_id":"UIG3525140","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_aneroid_barometer_is_an_instrument_for_measuring_pressure","item_variant":"undefined"},{"item_id":"GIA4777381","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_artist_16th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_length_unit_used_in_the_16th_century_top_digitus_finger_or_thumb_palmus_palm_or_empan_4_fingers_","item_variant":"undefined"},{"item_id":"GIA4731005","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_artist_16th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"use_of_a_device_to_calculate_the_time_in_relation_to_the_stars_at_night_astrolabe_cosmographia_de_pi","item_variant":"undefined"},{"item_id":"TAD1751536","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"laser_beam_gyrometer_measuring_device_for_plane_orienteering_leading_edge_technology","item_variant":"undefined"},{"item_id":"UDK844527","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"geiger_counters_with_digital_display_and_gauge_with_needle_indicator","item_variant":"undefined"},{"item_id":"UIS5067401","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"immunisation_smallpox_pustule_gauge_c_1920","item_variant":"undefined"},{"item_id":"AVE8903989","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"1960s_voltage_meter_needle_moves_on_meter","item_variant":"undefined"},{"item_id":"GIA4755863","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_artist_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"model_of_19th_century_mercury_barometers","item_variant":"undefined"},{"item_id":"PER287364","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school","item_category5":"not_balown","item_list_name":"search_results","item_name":"evangelista_torricelli_1608_47_inventor_of_the_thermometer_barometer_colour_litho","item_variant":"undefined"},{"item_id":"NHM100214","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"church_arthur_henry_1865_1937","item_category5":"not_balown","item_list_name":"search_results","item_name":"drawing_58_8_prunus_domestica_plum_1907_w_c_on_paper","item_variant":"undefined"},{"item_id":"AVE8904000","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"1960s_voltage_meter_needle_moves_on_meter","item_variant":"undefined"},{"item_id":"UIS5068542","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"immunisation_smallpox_pustule_gauge_c_1920","item_variant":"undefined"},{"item_id":"XJF406270","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"stech_andrzej_1635_97_after","item_category5":"balown","item_list_name":"search_results","item_name":"illustration_from_johannis_hevelii_machinae_coelestis_pars_prior_engraved_by_isaak_saal_engraving","item_variant":"undefined"},{"item_id":"UIG2902363","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_artist_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"bambergers_axel_gage","item_variant":"undefined"},{"item_id":"UDK844589","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"experiment_showing_effect_of_electromagnetism_on_compass_needle_using_ammeter_battery_variable_resis","item_variant":"undefined"},{"item_id":"AMR3548865","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"british_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"measuring_gauge_for_lance_haft_19th_century_wood","item_variant":"undefined"},{"item_id":"UIS5066641","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"bloodletting_phlebotomy_measuring_device_egyptian_c_1354","item_variant":"undefined"},{"item_id":"MOL225823","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":"steelyard_iron_copper_alloy_see_225824_for_detail","item_variant":"undefined"},{"item_id":"UIS5083479","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"filing_split_bolt_to_gauge_limit_0","item_variant":"undefined"},{"item_id":"FAF3571405","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"world_war_i_soldier_with_a_measuring_instrument_in_the_high_mountains","item_variant":"undefined"},{"item_id":"GIA4729318","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"anonymous","item_category5":"not_balown","item_list_name":"search_results","item_name":"davis_quadrant_english_navigator_1550_1605_instrument_for_measuring_the_height_of_the_sun_at_sea","item_variant":"undefined"},{"item_id":"BAL8699","item_category":"object","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":"three_barometers_left_mahogany_chippendale_style_centre_chippendale_with_shell_motif_right_burr_yew_","item_variant":"undefined"},{"item_id":"DGA2581570","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"sample_sizes_for_tiles_measuring_instrument_from_16th_century","item_variant":"undefined"},{"item_id":"LIP1064057","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":"shoulder_cape_litho","item_variant":"undefined"},{"item_id":"RGS242336","item_category":"object","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":"slide_rules_and_apothecary_scales_belonging_to_captain_matthew_flinders_1774_1814","item_variant":"undefined"},{"item_id":"CLG3956955","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"guillaume_clement","item_category5":"not_balown","item_list_name":"search_results","item_name":"pipes_photo","item_variant":"undefined"},{"item_id":"GIA4755867","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"chinese_school_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"chinese_geomantique_compa_circa_1800","item_variant":"undefined"},{"item_id":"MAN176499","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"souch_john_c_1593_1645","item_category5":"not_balown","item_list_name":"search_results","item_name":"sir_thomas_aston_1600_45_at_the_deathbed_of_his_wife_1635_oil_on_canvas","item_variant":"undefined"},{"item_id":"DGA645245","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"reproduction_of_weights_gauges_compasses_and_scales_from_the_houses_and_monuments_of_pompeii_by_faus","item_variant":"undefined"},{"item_id":"FGL5476199","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"elena_piccini","item_category5":"not_balown","item_list_name":"search_results","item_name":"measuring_instruments_the_carpenter_s_meter_photography_by_elena_piccini_2006","item_variant":"undefined"},{"item_id":"AVE6322032","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"united_states_1950s_man_adjusts_gauge_on_machine","item_variant":"undefined"},{"item_id":"EHT5055542","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"detail_of_gauges_on_an_interior_wall_in_the_flax_mill_s_stove_building_shrewsbury_flaxmill_maltings_","item_variant":"undefined"},{"item_id":"MOL225824","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":"steelyard_iron_copper_alloy_detail_of_225823","item_variant":"undefined"},{"item_id":"GIA4776423","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_artist_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_milliamperemeter_or_amperemeter_apparatus_designed_to_calculate_the_intensity_of_the_electric_curr","item_variant":"undefined"},{"item_id":"UIG5308701","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"cartoon_depicting_a_wet_gas_meter_emerson_19th_century","item_variant":"undefined"},{"item_id":"AVE8903959","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"1960s_two_lightbulbs_tubes_and_wires_with_a_meter_attached","item_variant":"undefined"},{"item_id":"UIS5093852","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"diabetes_bread_gauge_for_use_by_a_diabetic_1931_1940","item_variant":"undefined"},{"item_id":"SZT3517564","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"alfred_strobel","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_gauder_fest_in_zell_am_ziller_1952_b_w_photo","item_variant":"undefined"},{"item_id":"XJF173282","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"durer_or_duerer_albrecht_1471_1528_after","item_category5":"balown","item_list_name":"search_results","item_name":"instruments_of_mathematical_precision_for_executing_portraits_illustration_from_science_and_literatu","item_variant":"undefined"},{"item_id":"DGA2583471","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"balance_with_weights_and_measures","item_variant":"undefined"},{"item_id":"SZT3517562","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"alfred_strobel","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_gauder_fest_in_zell_am_ziller_1952_b_w_photo","item_variant":"undefined"},{"item_id":"SZT2999911","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"german_war_student_with_a_measuring_apparatus_1903_b_w_photo","item_variant":"undefined"},{"item_id":"AVE8903953","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"1960s_two_lightbulbs_tubes_and_wires_with_a_meter_attached","item_variant":"undefined"},{"item_id":"LLM457584","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"lydon_alexander_francis_1836_1917","item_category5":"not_balown","item_list_name":"search_results","item_name":"hengrave_hall","item_variant":"undefined"},{"item_id":"AVE8909293","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"1960s_man_with_hose_and_gauge_inflates_car_tire_with_air","item_variant":"undefined"},{"item_id":"UIS5093860","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"diabetes_bread_gauge_for_use_by_a_diabetic_1931_1940","item_variant":"undefined"},{"item_id":"XJF173283","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"durer_or_duerer_albrecht_1471_1528_after","item_category5":"balown","item_list_name":"search_results","item_name":"instrument_of_mathematical_precision_for_designing_objects_in_perspective_1530_engraving","item_variant":"undefined"},{"item_id":"KES6226687","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"switzerland_zurich_carbon_oxide_measurement_1961_b_w_photo","item_variant":"undefined"},{"item_id":"LLE819236","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"bulfinch_john_fl_1666_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"portrait_of_sir_henry_gage_engraving","item_variant":"undefined"},{"item_id":"LLM2791912","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":"early_transparent_gage_rivers_early_prolific_chromolitho","item_variant":"undefined"},{"item_id":"GIA4777396","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_artist_18th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"geometres_measuring_engraving_from_de_architectura_libri_x_by_leon_battista_alberti_printed_in_londo","item_variant":"undefined"},{"item_id":"UDK844936","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"apparatus_for_timing_accurately_timing_fall_of_an_object","item_variant":"undefined"},{"item_id":"UDK844529","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"set_of_scales","item_variant":"undefined"},{"item_id":"SZT3517560","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"alfred_strobel","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_gauder_fest_in_zell_am_ziller_1952_b_w_photo","item_variant":"undefined"},{"item_id":"AVE8926245","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"1960s_wires_being_held_to_copper_bar_needle_on_the_meter_moves_across","item_variant":"undefined"},{"item_id":"UIS5093867","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"diabetes_bread_gauge_for_use_by_a_diabetic_1931_1940_a_chrome_steel_gauge_for_controlling_bread_inta","item_variant":"undefined"},{"item_id":"AVE6329003","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"united_states_1930s_1940s_worker_measures_an_engine_part_using_a_gauge","item_variant":"undefined"},{"item_id":"AVE8907148","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"1960s_hand_turns_knob_reading_wavelength_gauge_moves","item_variant":"undefined"},{"item_id":"UDK844868","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"device_to_test_hardness_of_metals_brinell_test","item_variant":"undefined"},{"item_id":"DGA1089005","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"c_dani","item_category5":"not_balown","item_list_name":"search_results","item_name":"tuning_fork_musical_instrument_used_to_create_standard_pitch","item_variant":"undefined"},{"item_id":"LAL2816555","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category4":"uptton_clive_1911_2006","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_ride_of_paul_revere_litho","item_variant":"undefined"},{"item_id":"UIT6188182","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"rangefinder_distance_measuring_1950_b_w_photo","item_variant":"undefined"},{"item_id":"AVE8903962","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"1960s_two_lightbulbs_tubes_and_wires_with_a_meter_attached_inside_a_box_lightbulbs_glow_blue_another","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"messger\u00e4t","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":583,"search_results_page_number":1}