{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"XJF437431","item_category":"illustration","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":"illustration_from_durer_s_four_books_on_measurement_published_in_1525_woodcut","item_variant":"undefined"},{"item_id":"MFR348325","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"modern_reproduction_of_a_mariner_s_astrolabe_brass","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":"MFR348329","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"adams_george_1750_95","item_category5":"not_balown","item_list_name":"search_results","item_name":"sextant_brass_wood_glass","item_variant":"undefined"},{"item_id":"XJF437430","item_category":"illustration","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":"an_artist_drawing_a_lute_with_the_aid_of_a_perspective_apparatus_illustration_from_durer_s_four_book","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":"CH437776","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"lusverg_giacomo_c_1636_89","item_category5":"not_balown","item_list_name":"search_results","item_name":"protractor_square_1686_brass","item_variant":"undefined"},{"item_id":"XIR370218","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"islamic_school_13th_century","item_category5":"balown","item_list_name":"search_results","item_name":"device_for_supplying_water_to_a_fountain_from_book_of_knowledge_of_ingenious_mechanical_devices_by_a","item_variant":"undefined"},{"item_id":"XIR370217","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"islamic_school_13th_century","item_category5":"balown","item_list_name":"search_results","item_name":"water_balance_from_book_of_knowledge_of_ingenious_mechanical_devices_by_al_djazari_1206_vellum","item_variant":"undefined"},{"item_id":"MFR348349","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":"hadley_s_quadrant_with_transversal_boxwood_scale_c_1750_brass_wood","item_variant":"undefined"},{"item_id":"XIR216686","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_18th_century","item_category5":"balown","item_list_name":"search_results","item_name":"thermometer_surmounted_with_a_phrygian_bonnet_enamel","item_variant":"undefined"},{"item_id":"STC310983","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"durer_or_duerer_albrecht_1471_1528","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_draughtsman_taking_details_for_a_portrait_using_a_perspective_apparatus_for_drawing_onto_glass_fro","item_variant":"undefined"},{"item_id":"EHT3090610","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"roman_1st_century_ad","item_category5":"not_balown","item_list_name":"search_results","item_name":"modius_found_at_carvoran_hadrian_s_wall_81ad_bronze","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":"MFR348344","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"ramsden_jesse_1735_1800","item_category5":"not_balown","item_list_name":"search_results","item_name":"double_framed_bridge_sextant_c_1780_brass_wood","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":"STC237096","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"durer_or_duerer_albrecht_1471_1528","item_category5":"not_balown","item_list_name":"search_results","item_name":"scene_from_durer_s_course_in_the_art_of_drawing_published_nuremberg_1525_engraving","item_variant":"undefined"},{"item_id":"STC237095","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"durer_or_duerer_albrecht_1471_1528","item_category5":"not_balown","item_list_name":"search_results","item_name":"artist_using_durer_s_drawing_machine_to_paint_a_figure_from_course_in_the_art_of_drawing_by_albrecht","item_variant":"undefined"},{"item_id":"XJF308765","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"balown","item_list_name":"search_results","item_name":"two_types_of_adjustable_opening_compass_fol_108v_from_paris_manuscript_h_1493_4_pen_ink_on_paper","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":"FIT3251557","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"goya_y_lucientes_francisco_jose_de_1746_1828","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_pen_is_mightier_than_the_sword_1819_28_black_chalk_on_paper","item_variant":"undefined"},{"item_id":"MFR348348","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"bennett_john_fl_1760","item_category5":"not_balown","item_list_name":"search_results","item_name":"plain_theodolite_with_trade_card_on_inside_of_case_lid_c_1780_brass","item_variant":"undefined"},{"item_id":"MEV5045167","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vinci_leonardo_da_1452_1519","item_category5":"not_balown","item_list_name":"search_results","item_name":"codex_atlanticus_sheet_1_recto_1478_1518_pen_ink","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":"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":"XIR242767","item_category":"illustration","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":"MFR348324","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"lenoir_etienne_1744_1832","item_category5":"not_balown","item_list_name":"search_results","item_name":"graphometer_in_fitted_wooden_case_c_1830_brass_wood_glass","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":"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":"XJF440654","item_category":"illustration","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":"a_draughtsman_taking_details_for_a_portrait_using_a_perspective_apparatus_for_drawing_onto_glass_fro","item_variant":"undefined"},{"item_id":"FLP941020","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"howe_scale_co_s_exhibit_machinery_hall_centennial_international_exhibition_philadelphia_1876_albumen","item_variant":"undefined"},{"item_id":"CH437775","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"italian_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"gunner_s_quadrant_1674_brass","item_variant":"undefined"},{"item_id":"PHL2909188","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"roy_pierre_1880_1950","item_category5":"not_balown","item_list_name":"search_results","item_name":"metric_system_c_1933_oil_on_canvas","item_variant":"undefined"},{"item_id":"DTO3501348","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"american_revolution_american_gunners_calipers","item_variant":"undefined"},{"item_id":"TRK697227","item_category":"object","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":"astrolabe_1566_brass","item_variant":"undefined"},{"item_id":"FLP941021","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"american_photographer_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"stanley_rule_and_level_co_s_exhibit_centennial_international_exhibition_philadelphia_1876_albumen_pr","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":"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":"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":"MFR348336","item_category":"object","item_category2":"in_copyright","item_category3":"standard","item_category4":"metz_fl_c_1700","item_category5":"not_balown","item_list_name":"search_results","item_name":"dutch_surveying_circle_or_holland_circle_c_1700_brass","item_variant":"undefined"},{"item_id":"MFR348335","item_category":"object","item_category2":"in_copyright","item_category3":"standard","item_category4":"wright_thomas_fl_c_1740","item_category5":"not_balown","item_list_name":"search_results","item_name":"surveyor_s_level_c_1740_brass","item_variant":"undefined"},{"item_id":"CHT236033","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":"electrometer_devised_by_marie_curie_1867_1934_1897_metal","item_variant":"undefined"},{"item_id":"KES6212301","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"milou_steiner","item_category5":"not_balown","item_list_name":"search_results","item_name":"switzerland_davos_hotel_belvedere_sauna_b_w_photo","item_variant":"undefined"},{"item_id":"LMG833539","item_category":"object","item_category2":"in_copyright","item_category3":"standard","item_category4":"dye_david_b_1945","item_category5":"not_balown","item_list_name":"search_results","item_name":"distancing_device_1970_painted_wood_mirror","item_variant":"undefined"},{"item_id":"LMG833540","item_category":"object","item_category2":"in_copyright","item_category3":"standard","item_category4":"dye_david_b_1945","item_category5":"not_balown","item_list_name":"search_results","item_name":"distancing_device_1970_painted_wood_mirror","item_variant":"undefined"},{"item_id":"MFR348327","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"dutch_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"graphometer_or_clinometer_brass_glass_steel","item_variant":"undefined"},{"item_id":"UIG5311571","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"19th_century_illustration_showing_schmidt_s_gyroscope_1895_a_gyroscope_is_a_device_used_for_measurin","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":"MFR348330","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"ramsden_jesse_1735_1800_fraser_william_18th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"bridge_type_sextants_c_1780_brass","item_variant":"undefined"},{"item_id":"MFR348339","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"portable_stick_barometer_with_chinoiserie_decoration_late_17th_century","item_variant":"undefined"},{"item_id":"LLM6000761","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"seismometer_for_measuring_earth_tremors_litho","item_variant":"undefined"},{"item_id":"TBM364249","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"persian_school_18th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"celestial_sphere_copper_alloy","item_variant":"undefined"},{"item_id":"LMG833541","item_category":"object","item_category2":"in_copyright","item_category3":"standard","item_category4":"dye_david_b_1945","item_category5":"not_balown","item_list_name":"search_results","item_name":"distancing_device_1970_painted_wood_mirror","item_variant":"undefined"},{"item_id":"UIG5311570","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"19th_century_illustration_showing_bohenberger_s_gyroscope_1895_a_gyroscope_is_a_device_used_for_meas","item_variant":"undefined"},{"item_id":"MFR348334","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"dollond_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"marine_barometer_with_wall_support_and_gimbals_in_wooden_case_with_instructions_c_1820_mahogany_bras","item_variant":"undefined"},{"item_id":"UIG5311471","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"illustration_depicting_the_regnier_dynamometer_invented_and_built_by_edme_regnier_1751_1825_was_brou","item_variant":"undefined"},{"item_id":"BL3666626","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"coronelli_vincenzo_maria_1650_1718","item_category5":"not_balown","item_list_name":"search_results","item_name":"celestial_globe_1693_wood_plaster_fabric_metal","item_variant":"undefined"},{"item_id":"XJF498315","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_18th_century","item_category5":"balown","item_list_name":"search_results","item_name":"trade_card_for_thomas_heath_maker_of_mathematical_instruments_print_made_by_thomas_platt_c_1730_engr","item_variant":"undefined"},{"item_id":"BL3666627","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"coronelli_vincenzo_maria_1650_1718","item_category5":"not_balown","item_list_name":"search_results","item_name":"celestial_globe_1693_wood_plaster_fabric_metal","item_variant":"undefined"},{"item_id":"BL3114998","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"danish_school_16th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"astronomical_instrument_1598_ink_colour_on_paper","item_variant":"undefined"},{"item_id":"UIG5311569","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"19th_century_illustration_showing_two_electrically_powered_gyroscopes_1880_a_gyroscope_is_a_device_u","item_variant":"undefined"},{"item_id":"RGS242337","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":"drafting_pen_compass_dividers_and_pocket_telescope_belonging_to_captain_matthew_flinders_1774_1814","item_variant":"undefined"},{"item_id":"UIG5311568","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"19th_century_illustration_showing_a_toy_gyroscope_1880_a_gyroscope_is_a_device_used_for_measuring_or","item_variant":"undefined"},{"item_id":"KES6214427","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"walter_studer","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_grimsel_guard_of_the_kwo_kraftwerke_oberhasli_ag_checks_the_meteorological_measuring_instruments_a","item_variant":"undefined"},{"item_id":"SZT2978837","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"post_of_computing_section_of_a_battery_during_a_maneuver_b_w_photo","item_variant":"undefined"},{"item_id":"SZT6304041","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":"alfred_eckert_during_a_balloon_ride_1959_b_w_photo","item_variant":"undefined"},{"item_id":"UIG539171","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"nilometer_remains_of_ancient_device_for_measuring_annual_inundation_of_the_nile_annual_flooding_vita","item_variant":"undefined"},{"item_id":"KES6214417","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"stringer_str","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_grimsel_guard_of_the_kwo_kraftwerke_oberhasli_ag_checks_the_meteorological_measuring_instruments_a","item_variant":"undefined"},{"item_id":"KES6214414","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"stringer_str","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_grimsel_guards_of_the_kwo_kraftwerke_oberhasli_ag_check_the_meteorological_measuring_instruments","item_variant":"undefined"},{"item_id":"KWE693699","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"ken_welsh","item_category5":"not_balown","item_list_name":"search_results","item_name":"thomas_edison_s_sound_meter_a_machine_which_measured_the_vibrational_energy_of_sounds_made_by_the_vo","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":"KES6214434","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"walter_studer","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_grimsel_guard_of_the_kwo_kraftwerke_oberhasli_ag_checks_the_meteorological_measuring_instruments_a","item_variant":"undefined"},{"item_id":"KES6214411","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"stringer_str","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_grimsel_guards_of_the_kwo_kraftwerke_oberhasli_ag_during_a_break_during_their_control_of_the_met","item_variant":"undefined"},{"item_id":"KWE2619091","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":"an_early_galvanometer_a_type_of_ammeter_a_measuring_instrument_used_to_measure_the_electric_current_","item_variant":"undefined"},{"item_id":"KES6212305","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"milou_steiner","item_category5":"not_balown","item_list_name":"search_results","item_name":"switzerland_davos_hotel_belvedere_sauna_b_w_photo","item_variant":"undefined"},{"item_id":"KES6214409","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"stringer_str","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_grimsel_guards_of_the_kwo_kraftwerke_oberhasli_ag_in_the_open_area_during_their_control_of_the_m","item_variant":"undefined"},{"item_id":"KES6242154","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"milou_steiner","item_category5":"not_balown","item_list_name":"search_results","item_name":"switzerland_institute_of_snow_and_avalanche_research_1943_b_w_photo","item_variant":"undefined"},{"item_id":"IMO2125695","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"tests_de_radioactivite_a_fukushima","item_variant":"undefined"},{"item_id":"KES6243913","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"karl_mathis","item_category5":"not_balown","item_list_name":"search_results","item_name":"switzerland_chemical_accident_seveso_1976_b_w_photo","item_variant":"undefined"},{"item_id":"KES6214408","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"stringer_str","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_grimsel_guards_of_kwo_kraftwerke_oberhasli_ag_removing_the_skins_from_their_skis_during_their_in","item_variant":"undefined"},{"item_id":"KES6242149","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"milou_steiner","item_category5":"not_balown","item_list_name":"search_results","item_name":"switzerland_institute_of_snow_and_avalanche_research_1943_b_w_photo","item_variant":"undefined"},{"item_id":"KES6207500","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"stringer_str","item_category5":"not_balown","item_list_name":"search_results","item_name":"switzerland_meteorological_station_bern_1957_b_w_photo","item_variant":"undefined"},{"item_id":"KES6223115","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"albert_jansen","item_category5":"not_balown","item_list_name":"search_results","item_name":"switzerland_world_war_ii_telegraph_pioneers_1940_b_w_photo","item_variant":"undefined"},{"item_id":"IMJ701256","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"seleucid","item_category5":"not_balown","item_list_name":"search_results","item_name":"table_for_measuring_liquids_maresha_limestone","item_variant":"undefined"},{"item_id":"KES6250385","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"stringer_str","item_category5":"not_balown","item_list_name":"search_results","item_name":"switzerland_saurer_mechanic_b_w_photo","item_variant":"undefined"},{"item_id":"KES6226233","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"stringer_str","item_category5":"not_balown","item_list_name":"search_results","item_name":"switzerland_stans_pilatus_flugzeugwerke_1960_b_w_photo","item_variant":"undefined"},{"item_id":"KES6207535","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"max_kraft","item_category5":"not_balown","item_list_name":"search_results","item_name":"switzerland_meteorological_station_bern_1957_b_w_photo","item_variant":"undefined"},{"item_id":"KWE3473190","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"ken_welsh","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_early_20th_century_sphygmomanometer_aka_blood_pressure_meter_blood_pressure_monitor_or_blood_pres","item_variant":"undefined"},{"item_id":"CHT236799","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":"skull_in_a_facial_goniometer_constructed_by_paul_broca_1824_88_wood_copper","item_variant":"undefined"},{"item_id":"KES6241996","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"walter_studer","item_category5":"not_balown","item_list_name":"search_results","item_name":"switzerland_weather_station_jungfraujoch_1946_b_w_photo","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"measuring device","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":200,"search_results_page_number":1}