{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"SIC743628","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"periscope_up","item_variant":"undefined"},{"item_id":"EPL6819733","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"hindenburg_periscope","item_variant":"undefined"},{"item_id":"EPL6941017","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"periscope_1915","item_variant":"undefined"},{"item_id":"EPL6824143","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"hindenburg_periscope","item_variant":"undefined"},{"item_id":"EPL6815026","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"german_periscope","item_variant":"undefined"},{"item_id":"EPL6785692","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":"submarine_periscope","item_variant":"undefined"},{"item_id":"EPL6895864","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"robinson_william_heath_1872_1944","item_category5":"not_balown","item_list_name":"search_results","item_name":"bluffing_the_periscope_1917","item_variant":"undefined"},{"item_id":"FAG622119","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"ravilious_eric_1903_42","item_category5":"not_balown","item_list_name":"search_results","item_name":"commander_looking_through_the_periscope_1941_colour_litho","item_variant":"undefined"},{"item_id":"EPL6817683","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"germans_use_periscope","item_variant":"undefined"},{"item_id":"EPL6826741","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"u_boat_periscope","item_variant":"undefined"},{"item_id":"FLO6338252","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"corsi_19th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"periscope_crab_and_flower_crab","item_variant":"undefined"},{"item_id":"EPL6820649","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"u_boat_periscope_in_use","item_variant":"undefined"},{"item_id":"NAM5920913","item_category":"photo","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":"a_soldier_from_2_2nd_battalion_the_royal_fusiliers_using_a_trench_periscope_1915_b_w_photo","item_variant":"undefined"},{"item_id":"NAM5920334","item_category":"photo","item_category2":"in_copyright","item_category3":"standard","item_category4":"savory_reginald_1894_1980","item_category5":"not_balown","item_list_name":"search_results","item_name":"using_a_trench_periscope_gallipoli_1915_b_w_photo","item_variant":"undefined"},{"item_id":"LLM3627283","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":"the_periscope_of_love_colour_litho","item_variant":"undefined"},{"item_id":"NAM5922976","item_category":"photo","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":"amid_bursting_crumps_with_trench_mortar_ready_seaforths_watch_through_periscope_for_the_bosch_b_w_ph","item_variant":"undefined"},{"item_id":"ERN2721761","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"1916_french_shelter_and_observation_post_with_periscope","item_variant":"undefined"},{"item_id":"UIG3524509","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_periscope_is_an_instrument_for_directing_rays_of_light_from_one_direction_to_another","item_variant":"undefined"},{"item_id":"ERN2717935","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"1917_periscope_observation_from_german_trenches","item_variant":"undefined"},{"item_id":"SZT2997223","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_periscope_of_a_german_submarine_b_w_photo","item_variant":"undefined"},{"item_id":"NAM5924324","item_category":"photo","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":"amid_bursting_crumps_with_trench_mortar_ready_seaforths_watch_through_periscope_for_the_bosche_world","item_variant":"undefined"},{"item_id":"NAM5929384","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"unknown_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"indian_soldiers_in_trench_gallipoli_1915_b_w_photo","item_variant":"undefined"},{"item_id":"EPL6960849","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"ww1_russian_officer_using_a_periscope","item_variant":"undefined"},{"item_id":"NAM5929382","item_category":"photo","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":"indian_soldiers_in_trench_gallipoli_1915_b_w_photo","item_variant":"undefined"},{"item_id":"NAM5920241","item_category":"photo","item_category2":"in_copyright","item_category3":"standard","item_category4":"savory_reginald_1894_1980","item_category5":"not_balown","item_list_name":"search_results","item_name":"indian_soldiers_in_trench_gallipoli_1915_b_w_photo","item_variant":"undefined"},{"item_id":"NAM5924325","item_category":"photo","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":"enemy_seen_fire_pulling_the_trigger_of_a_trench_mortar_the_shell_on_the_deadly_flight_in_mid_air_wor","item_variant":"undefined"},{"item_id":"DGC5892819","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":"railway_guard_viewing_signals_through_a_periscope_1938_litho","item_variant":"undefined"},{"item_id":"PNP701836","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"jonas_lucien_hector_1880_1947","item_category5":"not_balown","item_list_name":"search_results","item_name":"french_soldier_using_a_periscope_1916_colour_litho","item_variant":"undefined"},{"item_id":"UIS5065485","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"soldier_taking_a_photograph_with_a_camera_attached_to_a_periscope_vers_1915","item_variant":"undefined"},{"item_id":"EPL6959927","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"british_soldier_in_trench_with_periscope_ww1","item_variant":"undefined"},{"item_id":"XCL500382","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"cox_james_c_1723_1800","item_category5":"balown","item_list_name":"search_results","item_name":"spyglass_c_1750_60_gold_mounted_agate_periscope_mirror_for_side_viewing","item_variant":"undefined"},{"item_id":"STC410959","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_periscope_in_use_in_the_french_trenches_b_w_photo","item_variant":"undefined"},{"item_id":"UIG1581415","item_category":"photo","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":"german_submarine_officer_looks_through_a_periscope_1916","item_variant":"undefined"},{"item_id":"MEP12043827","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"lookout_using_a_periscope_in_position_leningrad_soviet_union_1942_photo","item_variant":"undefined"},{"item_id":"SZT9232014","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"ii_wk_eastern_front_observation_with_periscope_1944_photo","item_variant":"undefined"},{"item_id":"SSI2174567","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"american_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"army_soldiers_using_the_periscope_in_a_submarine","item_variant":"undefined"},{"item_id":"SIC870940","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_group_of_boys_take_turns_looking_through_a_periscope_interactive","item_variant":"undefined"},{"item_id":"NAM5920242","item_category":"photo","item_category2":"in_copyright","item_category3":"standard","item_category4":"savory_reginald_1894_1980","item_category5":"not_balown","item_list_name":"search_results","item_name":"indian_soldiers_in_a_trench_at_gallipoli_1915_b_w_photo","item_variant":"undefined"},{"item_id":"JLJ7558551","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"looking_through_the_periscope_france_1943_b_w_photo","item_variant":"undefined"},{"item_id":"UIG1581416","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"british_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"british_submarine_officer_looks_through_a_periscope_1916","item_variant":"undefined"},{"item_id":"CH990505","item_category2":"in_copyright","item_category3":"standard","item_category4":"johns_jasper_b_1930","item_category5":"not_balown","item_list_name":"search_results","item_name":"periscope_i_1979_lithograph_in_colours_on_kurotani_paper","item_variant":"undefined"},{"item_id":"SZT9237101","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"ii_wk_eastern_front_observation_with_periscope_1944_photo","item_variant":"undefined"},{"item_id":"UIG2625142","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"operation_dominic","item_variant":"undefined"},{"item_id":"SZT9236848","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"ii_wk_eastern_front_observation_with_periscope_1944_photo","item_variant":"undefined"},{"item_id":"UIG681843","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"general_oleu_emperor_of_japan_and_general_uyehara_photo","item_variant":"undefined"},{"item_id":"UIG5425717","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"polemoscope_a_kind_of_periscope_to_direct_artillery_fire_dated_19th_century","item_variant":"undefined"},{"item_id":"SIC871025","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_japanese_transport_ship_sinking_as_viewed_through_the_periscope_of_an_allied_submarine","item_variant":"undefined"},{"item_id":"JLJ7561796","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"lookout_attached_to_the_periscope_germany_1943_b_w_photo","item_variant":"undefined"},{"item_id":"EPL7006544","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"advert_for_watson_s_giraffe_trench_periscope_1915","item_variant":"undefined"},{"item_id":"SZT11749838","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"ii_wk_eastern_front_observation_with_the_periscope_1943_photo","item_variant":"undefined"},{"item_id":"UIG681643","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"prince_regent_looks_through_army_field_periscope_photo","item_variant":"undefined"},{"item_id":"LLM5206184","item_category":"illustration","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":"railway_equipment_guard_viewing_signals_through_periscope_southern_railway_colour_photo","item_variant":"undefined"},{"item_id":"SZT3004456","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"periscope_of_a_submerged_german_submarine_1911_b_w_photo","item_variant":"undefined"},{"item_id":"STC64455","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"robinson_william_heath_1872_1944","item_category5":"not_balown","item_list_name":"search_results","item_name":"submarine_from_some_frightful_war_pictures_1915_print","item_variant":"undefined"},{"item_id":"SIC871022","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_world_war_two_ship_sinking_as_seen_through_the_periscope_of_a_submarine","item_variant":"undefined"},{"item_id":"XEE4167499","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_artist_20th_century","item_category5":"balown","item_list_name":"search_results","item_name":"first_world_war_two_french_soldiers_in_a_trench_of_berry_au_bac_in_april_1915_watching_the_enemy_wit","item_variant":"undefined"},{"item_id":"PNP701835","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"jonas_lucien_hector_1880_1947","item_category5":"not_balown","item_list_name":"search_results","item_name":"french_sniper_using_ad_hoc_periscope_attache_to_rifle_to_keep_his_head_below_the_parapet_1916_colour","item_variant":"undefined"},{"item_id":"SZT3019635","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"allied_destroyers_in_the_periscope_of_a_german_submarine_during_the_second_world_war_b_w_photo","item_variant":"undefined"},{"item_id":"PNH474279","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"tunnard_john_1900_71","item_category5":"not_balown","item_list_name":"search_results","item_name":"periscope_1965_black_chalk_ink_w_c_gouache_on_paper","item_variant":"undefined"},{"item_id":"UIG5425714","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"polemoscope_a_kind_of_periscope_to_direct_artillery_fire_dated_19th_century","item_variant":"undefined"},{"item_id":"DGC7108210","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_dutch_submarine_commander_looking_through_the_periscope_c_1942_photo","item_variant":"undefined"},{"item_id":"LLM7172517","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"french_soldiers_using_a_periscope_in_the_trenches_world_war_i_b_w_photo","item_variant":"undefined"},{"item_id":"STC293078","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":"an_enemy_submarine_with_its_periscope_up_from_the_illustrated_war_news_litho","item_variant":"undefined"},{"item_id":"NAM261153","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":"soldier_looking_through_a_trench_periscope_from_an_album_compiled_by_lt_kindom_b_w_photo","item_variant":"undefined"},{"item_id":"SZT3017005","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"officer_at_the_periscope_of_a_german_submarine_1915_b_w_photo","item_variant":"undefined"},{"item_id":"SZT3515049","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":"commander_at_the_periscope_of_the_submarine_hai_of_the_bundesmarine_1959_b_w_photo","item_variant":"undefined"},{"item_id":"DPA5353478","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"adolf_hitler_studying_a_map_with_his_generals_behind_a_periscope_b_w_photo","item_variant":"undefined"},{"item_id":"UIG5453064","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"france_c_1916_the_german_lines_and_trenches_as_seen_through_a_periscope_of_a_french_army_outpost","item_variant":"undefined"},{"item_id":"KES6246548","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_soccer_che_xen_1947_b_w_photo","item_variant":"undefined"},{"item_id":"STC293056","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":"the_fighter_below_seas_the_submarine_a_diagram_designed_to_show_her_interior_arrangements_from_the_i","item_variant":"undefined"},{"item_id":"PNP778977","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"german_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"wwi_german_sentry_observing_through_a_periscope_hill_60_near_ypres_1916_b_w_photo","item_variant":"undefined"},{"item_id":"SZT348025","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"scherl","item_category5":"not_balown","item_list_name":"search_results","item_name":"adolf_hitler_watching_the_attack_on_warsaw_through_a_periscope_september_1939_sepia_photograph","item_variant":"undefined"},{"item_id":"EVB2944361","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"u_s_officer_at_the_periscope_of_submarine_during_world_war_2_c_1942","item_variant":"undefined"},{"item_id":"DPA5353474","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"adolf_hitler_with_generals_and_officers_behind_a_periscope_1940s_b_w_photo","item_variant":"undefined"},{"item_id":"LIP1601036","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"frenzeny_paul_1840_1902","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_development_in_the_construction_of_submarines_litho","item_variant":"undefined"},{"item_id":"NAM3062573","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"sale_wilfred_herbert_james","item_category5":"not_balown","item_list_name":"search_results","item_name":"photograph_taken_through_a_periscope_of_a_tank_showing_a_man_on_some_open_ground_b_w_photo","item_variant":"undefined"},{"item_id":"XEE4404021","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"unknown_artist_20th_century","item_category5":"balown","item_list_name":"search_results","item_name":"war_1914_1918_french_soldier_in_a_frontline_trench_watching_the_enemy_with_a_periscope_1915","item_variant":"undefined"},{"item_id":"LLE817256","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"english_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"british_soldier_watching_the_enemy_through_a_periscope_world_war_i_b_w_photo","item_variant":"undefined"},{"item_id":"BAL16309","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"ravilious_eric_1903_42","item_category5":"not_balown","item_list_name":"search_results","item_name":"submarine_litho","item_variant":"undefined"},{"item_id":"REU7929689","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"reuters_photographer","item_category5":"not_balown","item_list_name":"search_results","item_name":"file_picture_of_president_putin_looking_through_the_periscope_of_karelia_submarine_2000_04_06_photo","item_variant":"undefined"},{"item_id":"LLM5228782","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"jonas_lucien_hector_1880_1947","item_category5":"not_balown","item_list_name":"search_results","item_name":"french_soldier_using_a_specially_adapted_sniper_s_rifle_with_periscope_in_the_trenches_world_war_i_1","item_variant":"undefined"},{"item_id":"LLM5204849","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"steichen_edward_1879_1973","item_category5":"not_balown","item_list_name":"search_results","item_name":"torpedoed_japanese_destroyer_photographed_through_periscope_of_the_us_submarine_wahu_b_w_photo","item_variant":"undefined"},{"item_id":"MMM5467531","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"ravilious_eric_1903_42","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_submarine_submarine_officer_looking_through_the_periscope_watercolor_and_pencil_on_paper_1940_by_e","item_variant":"undefined"},{"item_id":"LLM962546","item_category":"illustration","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":"optical_instruments_designed_to_lessen_the_perils_of_observation_work_the_hyposcope_and_see_all_roun","item_variant":"undefined"},{"item_id":"LLM3097611","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":"periscope_chamber_on_a_submarine_colour_litho","item_variant":"undefined"},{"item_id":"REU7884192","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"pool_old","item_category5":"not_balown","item_list_name":"search_results","item_name":"russian_premier_kasyanov_looks_through_a_periscope_aboard_submarine_in_severodvinsk_2000_11_24_photo","item_variant":"undefined"},{"item_id":"UIG5415756","item_category":"photo","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":"soldier_in_trench_checking_with_periscope_where_grenades_strike_in_the_battlefield_at_diksmuide_in_f","item_variant":"undefined"},{"item_id":"STC405610","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_french_priest_in_the_lines_a_cure_taking_a_peep_through_a_trench_periscope_illustration_from_the_i","item_variant":"undefined"},{"item_id":"STC405604","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_french_front_watching_the_enemy_s_trench_through_a_periscope_before_a_throw_illustration_from_th","item_variant":"undefined"},{"item_id":"STC292991","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":"diagram_showing_methods_of_diving_returning_to_the_surface_and_attacking_by_torpedo_from_the_illustr","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"periskop","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":186,"search_results_page_number":1}