{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"UTD2845586","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"hoimar_von_ditfurth","item_variant":"undefined"},{"item_id":"UTD2845584","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"hoimar_von_ditfurth","item_variant":"undefined"},{"item_id":"UTD2874119","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"navy_lieutenant_commander_of_the_2nd_minesweeper_flotilla_at_the_compass_germany_1930s_b_w_photo","item_variant":"undefined"},{"item_id":"CH986187","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_drawing_a_portrait_using_a_drawing_frame_1525_woodcut","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":"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":"ELS9067114","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":"an_artist_drawing_a_seated_man_on_to_a_plane_of_glass_through_a_sight_vane_1525_woodcut","item_variant":"undefined"},{"item_id":"ELS9067116","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_man_drawing_a_lute_1525_woodcut","item_variant":"undefined"},{"item_id":"ELS9067115","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_man_drawing_a_can_1525_woodcut","item_variant":"undefined"},{"item_id":"ELS9067111","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":"monumental_column_for_a_drunkard_1525_woodcut","item_variant":"undefined"},{"item_id":"ELS9067117","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_man_drawing_a_recumbent_woman_1525_woodcut","item_variant":"undefined"},{"item_id":"ELS9067113","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":"victory_column_for_the_subjugation_of_insurgent_peasants_1525_woodcut","item_variant":"undefined"},{"item_id":"ELS9067109","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":"column_commemorating_the_victory_over_mechtig_leut_1525_woodcut","item_variant":"undefined"},{"item_id":"GNM330180","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_school_16th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"hourglass_1506_gilded_silver","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":"CHT277020","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school","item_category5":"not_balown","item_list_name":"search_results","item_name":"sandglass_16th_17th_century_wood_sand_glass","item_variant":"undefined"},{"item_id":"CHT185944","item_category":"illustration","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":"astronomical_sextant_of_tycho_brahe_1546_1601_from_an_atlas_by_joan_blaeu_1596_1673_amsterdam_1665_c","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":"MFR135782","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":"sextant_english_brass","item_variant":"undefined"},{"item_id":"BL10457","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"flemish_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"double_portrait_of_gerard_mercator_1512_94_and_jodocus_hondius_1563_1612_engraved_for_inclusion_in_t","item_variant":"undefined"},{"item_id":"ACD169023","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":"front_page_of_the_first_chapter_of_la_meridienne_de_paris_by_cesar_francois_cassini_de_thury_1744_en","item_variant":"undefined"},{"item_id":"NUM42003","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_12th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"diagrams_of_measurements_and_text_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":"CHT237212","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":"frontispiece_from_la_science_de_l_arpenteur_by_dupain_de_montesson_c_1720_90_published_in_paris_1766","item_variant":"undefined"},{"item_id":"BAL3018","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":"weights_used_by_merchants_and_apothecaries_gun_metal","item_variant":"undefined"},{"item_id":"XPC345130","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_13th_century","item_category5":"balown","item_list_name":"search_results","item_name":"detail_from_the_north_rose_window_depicting_geometry_from_the_liberal_arts_stained_glass","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":"MFR348305","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":"backstaff_lignum_vitae_boxwood","item_variant":"undefined"},{"item_id":"XIR199893","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"duran_diego_16th_century","item_category5":"balown","item_list_name":"search_results","item_name":"fol_40r_construction_of_tenochtitlan_1579_vellum","item_variant":"undefined"},{"item_id":"AMO184106","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_school_17th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"portable_sundial_made_by_lienhart_miller_nuremberg_1614_elephant_ivory","item_variant":"undefined"},{"item_id":"SCP57231","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"chert_weights_and_copper_balance_mohenjodaro_2300_1750_bc","item_variant":"undefined"},{"item_id":"NUM938778","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"polke_sigmar_1941_2010","item_category5":"not_balown","item_list_name":"search_results","item_name":"measuring_clothes_1994_fabric_paint_on_canvas","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":"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":"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":"MFR348315","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"nairne_blunt_fl_1770s","item_category5":"not_balown","item_list_name":"search_results","item_name":"sextant_c_1780_brass","item_variant":"undefined"},{"item_id":"BL3289087","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_topographical_description_and_and_measurement_of_the_island_of_barbados_in_the_west_indies","item_variant":"undefined"},{"item_id":"XCF130648","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"octant_1750_wood","item_variant":"undefined"},{"item_id":"MFR348306","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":"backstaff_lignum_vitae_boxwood","item_variant":"undefined"},{"item_id":"MFR348309","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":"reflecting_circle_brass_glass","item_variant":"undefined"},{"item_id":"XIR187098","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_school_15th_century","item_category5":"balown","item_list_name":"search_results","item_name":"ms_1015_fol_1_construction_of_a_castle_from_gouvernement_des_rois_et_des_princes_vellum","item_variant":"undefined"},{"item_id":"MFR348317","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":"18_inch_hadley_quadrant_or_octant_c_1760_wood_brass_glass","item_variant":"undefined"},{"item_id":"HGP399351","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school","item_category5":"not_balown","item_list_name":"search_results","item_name":"angel_weighing_souls_stained_glass","item_variant":"undefined"},{"item_id":"UIS5101471","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"heads_measurement_of_the_head_and_face_1883","item_variant":"undefined"},{"item_id":"XPH330490","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"lassalle_emile_1813_71","item_category5":"balown","item_list_name":"search_results","item_name":"christopher_columbus_1839_oil_on_canvas","item_variant":"undefined"},{"item_id":"GNG6619965","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"pascal_deloche","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_barometer_used_for_weather_forecasting_measuring_the_barometric_pressure_france_photo","item_variant":"undefined"},{"item_id":"UIG5310200","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_measuring_of_salt","item_variant":"undefined"},{"item_id":"UIG5311773","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"measuring_lunar_distance","item_variant":"undefined"},{"item_id":"EPL6857013","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"measuring_the_sphinx","item_variant":"undefined"},{"item_id":"GRP434399","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"wynne_henry_fl_1662_1709","item_category5":"not_balown","item_list_name":"search_results","item_name":"sundial_plate_c_1690_brass","item_variant":"undefined"},{"item_id":"UIG673457","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"measuring_lunar_distance","item_variant":"undefined"},{"item_id":"XJF105890","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_school_19th_century","item_category5":"balown","item_list_name":"search_results","item_name":"clog_almanac_exchequer_tally_and_saxon_reive_pole_engraving","item_variant":"undefined"},{"item_id":"MFR313900","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"italian_school_18th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"italian_sandglass_set_c_1700_wood_glass_sand","item_variant":"undefined"},{"item_id":"BAL2601","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":"coffer_and_scales","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":"XIR184029","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"egyptian_18th_dynasty_c_1567_1320_bc","item_category5":"balown","item_list_name":"search_results","item_name":"measuring_the_land_using_rope_from_the_tomb_chapel_of_menna_new_kingdom_wall_painting_see_also_25166","item_variant":"undefined"},{"item_id":"BAL111013","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":"the_jackstaff_from_the_narrative_and_critical_history_of_america_edited_by_justin_winsor_london_1886","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":"UIG539874","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"measuring_the_distance_of_an_inaccessible_object_by_triangulation_using_a_hinged_staff_from_robert_f","item_variant":"undefined"},{"item_id":"LLM6000086","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"english_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"ancient_water_clock_of_rajputana_in_the_palace_of_bundi_india_b_w_photo","item_variant":"undefined"},{"item_id":"UIS5101462","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"heads_measurement_of_the_skull_1883","item_variant":"undefined"},{"item_id":"CH437777","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":"pair_of_compasses_1686_paper_on_wood","item_variant":"undefined"},{"item_id":"STF256566","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"model_of_a_diver_measuring_the_underwater_remains_of_a_lake_dwelling_in_lake_mondsee_from_c_3600_330","item_variant":"undefined"},{"item_id":"LRI4694223","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"floris_frans_1519_70","item_category5":"not_balown","item_list_name":"search_results","item_name":"geometry_allegory_and_personification_of_geometry_holding_a_comppas_above_a_globe_different_geometri","item_variant":"undefined"},{"item_id":"MFR135760","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":"horizontal_garden_sundish_with_coat_of_arms_engraving_bronze","item_variant":"undefined"},{"item_id":"LIP1054107","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"marks_henry_stacy_1829_98_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"science_is_measurement_engraving","item_variant":"undefined"},{"item_id":"BAL50606","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"buonarroti_michelangelo_1475_1564","item_category5":"not_balown","item_list_name":"search_results","item_name":"study_for_river_god_pen_ink_on_paper","item_variant":"undefined"},{"item_id":"JB117416","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"bethell_john","item_category5":"not_balown","item_list_name":"search_results","item_name":"remains_of_the_sextant_from_ulugh_beg_s_observatory_timurid_period_built_in_1420_photo","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":"STC64446","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"cruikshank_isaac_robert_1789_1856_george_1792_1878","item_category5":"not_balown","item_list_name":"search_results","item_name":"jerry_in_training_for_a_swell_from_life_in_london_by_pierce_egan_1821_coloured_aquatint","item_variant":"undefined"},{"item_id":"WAM242524","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"ribera_jusepe_de_lo_spagnoletto_1591_1652","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_astronomer_oil_on_canvas","item_variant":"undefined"},{"item_id":"UIG5308430","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"method_of_measuring_angles_with_a_cross_staff","item_variant":"undefined"},{"item_id":"SIC829903","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_bronze_plaque_for_measurement_of_time","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":"AVE8890478","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_instrument_measuring_flash_point","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":"UIG5311838","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_measuring_of_the_specific_gravity_of_alcohol_with_a_hydrometer","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":"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":"UIG539891","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"measuring_the_altitude_of_the_sun_with_ring_dials_from_peter_apian_cosmographia_antwerp_1539","item_variant":"undefined"},{"item_id":"VMM276785","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":"pocket_aneroid_barometer_made_by_j_h_steward_london","item_variant":"undefined"},{"item_id":"XJF366827","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"italian_school_16th_century","item_category5":"balown","item_list_name":"search_results","item_name":"an_astronomer_stargazing_from_introductorium_in_astronomiam_published_in_venice_1506_woodcut","item_variant":"undefined"},{"item_id":"SZT5182036","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"scherl","item_category5":"not_balown","item_list_name":"search_results","item_name":"noise_measurement_1934","item_variant":"undefined"},{"item_id":"SIC829895","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_bronze_plaque_for_measurement_of_time","item_variant":"undefined"},{"item_id":"STC237076","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"vignola_jacopo_giacomo_barozzi_da_1507_73_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"illustration_from_vignola_s_the_two_rules_of_practical_perspective_first_published_in_1583_engraving","item_variant":"undefined"},{"item_id":"MFR348300","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":"four_hour_sand_glass","item_variant":"undefined"},{"item_id":"UIG5311373","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_a_wooden_levelling_scoop_19th_century","item_variant":"undefined"},{"item_id":"MFR348310","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"aboab_mordecai_semah_c_1707_55","item_category5":"not_balown","item_list_name":"search_results","item_name":"inclining_analemmatic_sundial_c_1750_brass","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"messung","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":2078,"search_results_page_number":1}