{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"ETE4938776","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"near_marseille_bouches_du_rhone_france_20_june_1945","item_variant":"undefined"},{"item_id":"UIG522046","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"russia_relief_map_with_border_and_mask","item_variant":"undefined"},{"item_id":"MEM1268323","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"wheeler_charles_1881_1977","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_digger_1922_oil_on_canvas","item_variant":"undefined"},{"item_id":"RNM3244812","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"english_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"royal_navy_personnel_dressed_in_protective_clothing_standing_on_the_deck_of_the_battleship_hms_royal","item_variant":"undefined"},{"item_id":"UIG522048","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"russia_true_colour_satellite_image_with_border_and_mask","item_variant":"undefined"},{"item_id":"AGC625281","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"uspensky_boris_1927_2005","item_category5":"not_balown","item_list_name":"search_results","item_name":"welding_during_the_night_shift_1977_b_w_photo","item_variant":"undefined"},{"item_id":"IMO8751311","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"klaus_rose","item_category5":"not_balown","item_list_name":"search_results","item_name":"dietrich_kittner_demonstrates_against_the_emergency_laws_1965_deu_germany_1965_photo","item_variant":"undefined"},{"item_id":"AGC625220","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"uspensky_boris_1927_2005","item_category5":"not_balown","item_list_name":"search_results","item_name":"welders_1977_b_w_photo","item_variant":"undefined"},{"item_id":"LLH7153606","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"european_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"boys_or_young_men_wearing_gas_masks_and_protective_clothing_against_chemical_or_possibly_nuclear_att","item_variant":"undefined"},{"item_id":"UIG5314367","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"french_soldiers_arrayed_in_gargoyle_guise","item_variant":"undefined"},{"item_id":"IMO8751284","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"klaus_rose","item_category5":"not_balown","item_list_name":"search_results","item_name":"dietrich_kittner_demonstrates_against_the_emergency_laws_1965_deu_germany_hanover_the_fine_cafe_at_1","item_variant":"undefined"},{"item_id":"IMO8751289","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"klaus_rose","item_category5":"not_balown","item_list_name":"search_results","item_name":"dietrich_kittner_demonstrates_against_the_emergency_laws_1965_deu_germany_hanover_the_fine_cafe_at_1","item_variant":"undefined"},{"item_id":"IMO8751292","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"klaus_rose","item_category5":"not_balown","item_list_name":"search_results","item_name":"dietrich_kittner_demonstrates_against_the_emergency_laws_1965_deu_germany_1965_photo","item_variant":"undefined"},{"item_id":"PLL3954688","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"aigner_lucien_1901_99","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_sales_woman_in_a_drug_store_where_gas_masks_are_sold_tries_to_praise_the_latest_creations_in_gas_m","item_variant":"undefined"},{"item_id":"PLL3954691","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"aigner_lucien_1901_99","item_category5":"not_balown","item_list_name":"search_results","item_name":"standing_salesman_with_squatting_man_and_woman_wearing_masks_1934_gelatin_silver_print","item_variant":"undefined"},{"item_id":"SZT5173465","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"operation_1921","item_variant":"undefined"},{"item_id":"AGC625299","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"uspensky_boris_1927_2005","item_category5":"not_balown","item_list_name":"search_results","item_name":"welders_1984_b_w_photo","item_variant":"undefined"},{"item_id":"OUC3664017","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"poster_france_may_1968_republique_francaise_piece_de_francs_sur_les_barricades_serigraph","item_variant":"undefined"},{"item_id":"SZT2980574","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"mounted_policeman_with_accouterment_for_use_of_teargas_in_the_usa_1934_b_w_photo","item_variant":"undefined"},{"item_id":"PLL3954690","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"aigner_lucien_1901_99","item_category5":"not_balown","item_list_name":"search_results","item_name":"it_s_with_this_that_we_defend_ourselves_against_gas_attacks_1934_gelatin_silver_print","item_variant":"undefined"},{"item_id":"FLM2634230","item_category":"footage","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"khrushchev_and_fidel_castro_attend_military_exercises_ussr_1963","item_variant":"undefined"},{"item_id":"PLL3954692","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"aigner_lucien_1901_99","item_category5":"not_balown","item_list_name":"search_results","item_name":"next_to_the_tubes_of_aspirin_and_digestive_aids_the_first_gas_masks_have_made_their_appearance_in_th","item_variant":"undefined"},{"item_id":"OUC3663819","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"poster_france_may_1968_il_est_pret_et_nous_unite_etudiants_travaillleurs_serigraph","item_variant":"undefined"},{"item_id":"NAM3062507","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"british_troops_wearing_gas_masks_in_the_trenches_salonika_1917_b_w_photo","item_variant":"undefined"},{"item_id":"AGC625294","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"uspensky_boris_1927_2005","item_category5":"not_balown","item_list_name":"search_results","item_name":"welder_1977_b_w_photo","item_variant":"undefined"},{"item_id":"UIG5451373","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"new_york_new_york_c_1938_the_paramount_building_civil_defense_team_of_workers_and_equipment_are_prep","item_variant":"undefined"},{"item_id":"BIA213709","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"meurer_charles_a_1865_1955","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_doughboy_s_equipment_1921_oil_on_canvas","item_variant":"undefined"},{"item_id":"MEP2361541","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"italian_soldiers_wearing_gas_masks_on_the_karst_front","item_variant":"undefined"},{"item_id":"LAL3641176","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category4":"embleton_ron_1930_88","item_category5":"not_balown","item_list_name":"search_results","item_name":"first_world_war_british_soldier_wearing_a_gas_mask_gouache_on_paper","item_variant":"undefined"},{"item_id":"EVB2929559","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"world_war_ii_gas_mask_drill_lieutenant_edward_w_gopp_assistant_sanitation_officer_demonstrates_to_me","item_variant":"undefined"},{"item_id":"AGC625187","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"uspensky_boris_1927_2005","item_category5":"not_balown","item_list_name":"search_results","item_name":"welders_with_banner_from_socialist_emulation_1977_b_w_photo","item_variant":"undefined"},{"item_id":"UIG683115","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_protection_against_gas_bombs_photo","item_variant":"undefined"},{"item_id":"SZT353850","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"scherl","item_category5":"not_balown","item_list_name":"search_results","item_name":"german_soldier_with_gas_mask_carries_food_to_a_shelter_1914_1918_b_w_photo","item_variant":"undefined"},{"item_id":"EVB2954271","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"john_garfield_george_tobias_and_ward_wood_check_to_see_if_fellow_cast_member_rommie_s_gas_mask_fits_","item_variant":"undefined"},{"item_id":"UIG1579142","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"photograph_of_polish_soldiers_charging_into_battle","item_variant":"undefined"},{"item_id":"MEP2500940","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"cens_test_about_poison_gas_with_british_masks_italy","item_variant":"undefined"},{"item_id":"LLM2778300","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"beltrame_achille_1871_1945","item_category5":"not_balown","item_list_name":"search_results","item_name":"six_days_after_a_mine_fire_in_france_when_thirty_deaths_had_already_been_extracted_colour_litho","item_variant":"undefined"},{"item_id":"UIG683020","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_gas_mask_photo","item_variant":"undefined"},{"item_id":"SZT353831","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"scherl","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_german_soldier_wearing_a_gas_mask_retrieves_a_smoke_cartridge_bearing_news_thrown_down_by_a_german","item_variant":"undefined"},{"item_id":"XRH1729065","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"french_photographer","item_category5":"balown","item_list_name":"search_results","item_name":"a_soldier_wearing_a_gas_mask_during_world_war_i_c_1915_b_w_photo","item_variant":"undefined"},{"item_id":"LIS2651443","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"lewis_stanley_1905_2009","item_category5":"not_balown","item_list_name":"search_results","item_name":"study_for_mural_wartime_newport_the_home_front_c_1940_pencil_w_c","item_variant":"undefined"},{"item_id":"AGC625182","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"uspensky_boris_1927_2005","item_category5":"not_balown","item_list_name":"search_results","item_name":"welder_1977_b_w_photo","item_variant":"undefined"},{"item_id":"TRK560703","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"first_world_war_gas_masks","item_variant":"undefined"},{"item_id":"BAL10050","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":"the_marine_suppliers_printed_by_the_curwen_press_from_high_street_by_j_m_richards_published_by_count","item_variant":"undefined"},{"item_id":"MEP2500946","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"cens_test_about_poison_gases_with_british_masks_italy","item_variant":"undefined"},{"item_id":"UIG5451611","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"salinas_california_september_17_1936_news_reporters_and_cameramen_covering_the_salinas_lettuce_worke","item_variant":"undefined"},{"item_id":"UIG5452418","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"berkeley_california_july_14_1969_two_university_of_california_policemen_wearing_riot_gear_lean_on_a_","item_variant":"undefined"},{"item_id":"SED3576402","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"soldiers_wearing_gas_masks_western_front_1917_b_w_photo","item_variant":"undefined"},{"item_id":"UIG3120846","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"happy_baby_in_travel_bag_france_c_1933_b_w_photo","item_variant":"undefined"},{"item_id":"SZT8920899","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"symbolic_image_for_the_un_environment_summit_in_rio_de_janeiro_1992_b_w_photo","item_variant":"undefined"},{"item_id":"PLL3954689","item_category":"photo","item_category2":"in_copyright","item_category3":"premium","item_category4":"aigner_lucien_1901_99","item_category5":"not_balown","item_list_name":"search_results","item_name":"man_and_woman_holding_gas_masks_on_their_heads_smiling_at_each_other_1934_gelatin_silver_print","item_variant":"undefined"},{"item_id":"UIG520877","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"iran_middle_east_asia_true_colour_satellite_image_with_mask","item_variant":"undefined"},{"item_id":"MGS373718","item_category":"photo","item_category2":"in_copyright","item_category3":"standard","item_category4":"winans_theodore_fonville_1911_92","item_category5":"not_balown","item_list_name":"search_results","item_name":"testing_teargas_angola_1938_silver_gelatin_print","item_variant":"undefined"},{"item_id":"SZT353856","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"scherl","item_category5":"not_balown","item_list_name":"search_results","item_name":"german_soldier_and_two_horses_of_a_munition_transport_wearing_gas_masks_while_passing_a_gasified_for","item_variant":"undefined"},{"item_id":"UIG520620","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"iran_middle_east_asia_true_colour_satellite_image_with_border_and_mask","item_variant":"undefined"},{"item_id":"EVB2924112","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"hungarian_soldier_wearing_a_new_type_of_gas_mask_with_a_microphone_to_enable_conversation_during_a_g","item_variant":"undefined"},{"item_id":"UIG520880","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"kazakhstan_asia_true_colour_satellite_image_with_mask","item_variant":"undefined"},{"item_id":"SZT1262554","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"german_assault_soldier_with_a_gas_mask_1916_b_w_photo","item_variant":"undefined"},{"item_id":"STC992093","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"neumont_maurice_louis_henri_1868_1930","item_category5":"not_balown","item_list_name":"search_results","item_name":"on_ne_passe_pas_1914_1918_printed_paris_c_1918_colour_litho","item_variant":"undefined"},{"item_id":"SZT7139748","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"scherl","item_category5":"not_balown","item_list_name":"search_results","item_name":"instruction_for_the_use_of_gas_masks_for_italian_girls_1937","item_variant":"undefined"},{"item_id":"APV7390269","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"osinachi","item_category5":"not_balown","item_list_name":"search_results","item_name":"in_the_air_2022_digital","item_variant":"undefined"},{"item_id":"STC412105","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"bagdatopoulos_william_spencer_1888_1965","item_category5":"not_balown","item_list_name":"search_results","item_name":"corporal_dawson_rolling_away_leaking_gas_cylinders_from_the_trenches_under_heavy_fire_litho","item_variant":"undefined"},{"item_id":"UIG5452423","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"berkeley_california_july_14_1969_a_people_s_park_demonstrator_on_telegraph_avenue_prepares_for_peppe","item_variant":"undefined"},{"item_id":"SZT353854","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"scherl","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_german_dispatch_soldier_with_gas_mask_on_the_western_front_1914_1918_b_w_photo","item_variant":"undefined"},{"item_id":"STC293030","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"english_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"repelling_a_gas_attack_with_a_hanging_shell_case_as_a_gas_alarm_gong_from_the_illustrated_war_news_l","item_variant":"undefined"},{"item_id":"EVB2924111","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"army_mule_wearing_am_m_5_type_of_gas_mask_the_mask_weighs_15_pounds_consisting_of_muzzle_connected_t","item_variant":"undefined"},{"item_id":"STC359846","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":"gas_masked_british_gunners_firing_point_blank_into_advancing_masses_of_the_enemy_during_the_german_o","item_variant":"undefined"},{"item_id":"LLM973529","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"english_photographer_20th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_new_german_gas_mask_a_find_at_lens_proof_that_the_enemy_is_very_short_of_rubber_a_captured_gas_mas","item_variant":"undefined"},{"item_id":"LTI4123105","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"lonati_alessandro_b_1980","item_category5":"not_balown","item_list_name":"search_results","item_name":"anticipation_pollution_a_couple_sharing_the_same_gas_mask_illustration_by_alessandro_lonati","item_variant":"undefined"},{"item_id":"PCT4257991","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"patrice_cartier","item_category5":"not_balown","item_list_name":"search_results","item_name":"masks_and_protective_clothing_to_practice_assault_gun_shooting_engraving","item_variant":"undefined"},{"item_id":"KWE1547382","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":"french_infantrymen_during_wwi_wearing_respirators_to_protect_them_against_german_poison_gas_from_the","item_variant":"undefined"},{"item_id":"LLM2778104","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"beltrame_achille_1871_1945","item_category5":"not_balown","item_list_name":"search_results","item_name":"an_extravagant_masquerade_colour_litho","item_variant":"undefined"},{"item_id":"UIG5452439","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"berkeley_california_may_1969_berkeley_police_donning_riot_gear_on_sproul_plaza_at_the_university_of_","item_variant":"undefined"},{"item_id":"IWM3737661","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"coke_dorothy_josephine_1897_1979","item_category5":"not_balown","item_list_name":"search_results","item_name":"ats_air_raid_practice_1940_w_c_on_paper","item_variant":"undefined"},{"item_id":"AGC486179","item_category":"illustration","item_category2":"in_copyright","item_category3":"premium","item_category4":"gippius_natalia_1905_94","item_category5":"not_balown","item_list_name":"search_results","item_name":"prepare_the_civil_defence_wear_gas_masks_1951_litho","item_variant":"undefined"},{"item_id":"GBW2606648","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_40_photographers_and_cameramen_of_the_1352nd_photographic_group_of_the_us_air_force_captured_ima","item_variant":"undefined"},{"item_id":"OUC3663871","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"poster_france_may_1968_joyeux_noel_serigraph","item_variant":"undefined"},{"item_id":"LLM2777995","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"beltrame_achille_1871_1945","item_category5":"not_balown","item_list_name":"search_results","item_name":"in_a_large_mine_in_alsdorf_near_the_belgian_border_a_terrifying_outbreak_has_buried_colour_litho","item_variant":"undefined"},{"item_id":"UIG2912395","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"two_soldiers_and_a_donkey_wearing_a_gas_mask","item_variant":"undefined"},{"item_id":"UIG520632","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"kazakhstan_asia_true_colour_satellite_image_with_border_and_mask","item_variant":"undefined"},{"item_id":"SXT1147538","item_category":"photo","item_category2":"in_copyright","item_category3":"standard","item_category4":"knighton_a_p_fl_c_1900_20","item_category5":"not_balown","item_list_name":"search_results","item_name":"teversall_colliery_no_2_rescue_team_teversal_nottinghamshire_england_c_1900_20_b_w_photo","item_variant":"undefined"},{"item_id":"MEM1268215","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"australian_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_9_2in_howitzer_gun_of_the_2nd_australian_siege_battery_55th_australian_siege_artillery_battery_in_","item_variant":"undefined"},{"item_id":"CHT235352","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":"mask_for_administering_ether_to_anaesthetize_a_patient_from_a_medical_manual_by_jean_baptiste_leon_d","item_variant":"undefined"},{"item_id":"ICA4837669","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"postcard_n_b_untitled_war_of_14_18_photography_asphixiant_gas_gas_masks","item_variant":"undefined"},{"item_id":"SZT353873","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"scherl","item_category5":"not_balown","item_list_name":"search_results","item_name":"american_field_artillery_soldiers_during_a_gas_attack_training_exercise_varennes_en_argonne_meuse_fr","item_variant":"undefined"},{"item_id":"UIS5066813","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"practicing_the_decontamination_of_food_8_may_1941","item_variant":"undefined"},{"item_id":"UIG1581655","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_soldiers_and_donkey_wearing_gas_masks_1915","item_variant":"undefined"},{"item_id":"SZT353865","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"scherl","item_category5":"not_balown","item_list_name":"search_results","item_name":"gas_protection_chamber_for_carrier_pigeons_used_in_german_shelters_at_the_front_1917_b_w_photo","item_variant":"undefined"},{"item_id":"LLM976446","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"pearse_alfred_19th_century_after","item_category5":"not_balown","item_list_name":"search_results","item_name":"acting_sergeant_john_raynes_putting_his_smoke_helmet_on_sergeant_ayres_following_the_explosion_of_a_","item_variant":"undefined"},{"item_id":"SXT2604304","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category4":"english_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"training_the_ladies_of_japan_in_modern_warfare_tactics_tokyo_japan_27th_june_1933_b_w_photo","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"gas-mask","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":1289,"search_results_page_number":6}