{"event":"ecommerce_event","event_name":"view_item","event_category":"browse_catalog","ecommerce":{"items":[{"item_id":"GEG2745962","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"young_women_members_of_the_english_red_cross_during_a_passive_defense_exercise_photo_from_l_illustra","item_variant":"undefined"},{"item_id":"BAD2523810","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"man_s_magazine_1950s_print","item_variant":"undefined"},{"item_id":"ERN2767145","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"exposition_d_un_masque_a_gaz_allemand_gumimask_modele_1915_capture","item_variant":"undefined"},{"item_id":"EVB2080670","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":"masque_a_gaz_world_war_i_american_soldiers_being_instructed_in_the_use_of_gas_masks_1917_b_w_photo","item_variant":"undefined"},{"item_id":"GIA4695611","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":"battle_of_the_somme_english_machine_guns_with_anti_gas_mask_in_orvilliers_july_1916_photo","item_variant":"undefined"},{"item_id":"ERN2767148","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"grenadier_allemand_equipe_du_masque_a_gaz_et_arme_d_une_grenade_a_manche_en_1917_dans_une_tranchee","item_variant":"undefined"},{"item_id":"JLJ4644177","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"flameng_francois_1856_1923","item_category5":"not_balown","item_list_name":"search_results","item_name":"first_world_war_german_soldiers_with_trench_armor_and_gas_mask_august_1917_1917_watercolour","item_variant":"undefined"},{"item_id":"BAD2495713","item_category":"illustration","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"propaganda_gas_masks_ww2_1940s_print","item_variant":"undefined"},{"item_id":"DPA2346361","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"world_war_i_1914_1918_german_air_raid_alert","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":"DPA2526218","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"national_people_s_armee_of_the_gdr","item_variant":"undefined"},{"item_id":"DPA2465095","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"gas_mask","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_french_republic_gbp1_franc_coin_on_the_barricades_1968_poster","item_variant":"undefined"},{"item_id":"ERN1781532","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"french_soldier_with_a_gas_mask_at_the_entrance_of_a_shelter_ww1","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_he_is_ready_and_we_student_workers_unite_1968_poster","item_variant":"undefined"},{"item_id":"ERN2698825","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"french_soldier_with_a_gas_hood_a_bag_for_grenades_and_a_german_flask_in_a_trench_france_ww1_b_w_phot","item_variant":"undefined"},{"item_id":"OUC3664078","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_yes_a_crs_officer_with_helmet_and_gas_mask_rifle_on_his_shoulder_and_grenades","item_variant":"undefined"},{"item_id":"DPA2526199","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"paramilitary_combat_troops","item_variant":"undefined"},{"item_id":"DPA2526671","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"training_of_border_troops","item_variant":"undefined"},{"item_id":"XRH867518","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"balown","item_list_name":"search_results","item_name":"sergeant_joseph_levin_of_the_american_army_chemical_warfare_service_c_1917_b_w_photo","item_variant":"undefined"},{"item_id":"OUC3663818","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"atelier_populaire_de_l_ex_ecole_des_beaux_arts_fl_c_1968","item_category5":"not_balown","item_list_name":"search_results","item_name":"poster_france_may_1968_que_viva_mexico_1968_poster","item_variant":"undefined"},{"item_id":"LRS202734","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"moreau_jacques_b_1887","item_category5":"not_balown","item_list_name":"search_results","item_name":"soldiers_in_a_trench_wearing_a_gas_mask_and_oxygen_supply_in_nieuwpoort_1915_b_w_photo","item_variant":"undefined"},{"item_id":"FIA5410890","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"russian_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"person_seats_a_gas_mask_leading_a_car_1930s_photograph","item_variant":"undefined"},{"item_id":"UIS5065393","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"nurses_from_the_house_of_lords_red_cross_detachment_wearing_gas_masks_10_november_1939","item_variant":"undefined"},{"item_id":"UIS5065340","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"the_fire_fighters_of_leicestershire","item_variant":"undefined"},{"item_id":"AJJ2660861","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"cover_of_french_magazine_vu_march_21_1936_the_spectre_of_the_war_skeleton_with_a_gas_mask","item_variant":"undefined"},{"item_id":"UIS5064890","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"gas_protection_for_horses_west_ham_london_1939","item_variant":"undefined"},{"item_id":"BLO2151566","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"bloncourt_gerald","item_category5":"not_balown","item_list_name":"search_results","item_name":"gas_mask","item_variant":"undefined"},{"item_id":"KES6232132","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_gas_masks_1940_b_w_photo","item_variant":"undefined"},{"item_id":"KES6232130","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_gas_masks_1940_b_w_photo","item_variant":"undefined"},{"item_id":"KES6232131","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_gas_masks_1940_b_w_photo","item_variant":"undefined"},{"item_id":"CHT221319","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":"chemical_warfare_at_the_siege_of_mozambique_from_la_caricature_1883_coloured_engraving","item_variant":"undefined"},{"item_id":"TAD1753259","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"children_with_gaz_mask_1915","item_variant":"undefined"},{"item_id":"SZT2981190","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"allocation_of_volksgasmaske_people_s_gas_mask_in_berlin_1937_b_w_photo","item_variant":"undefined"},{"item_id":"BAD2155673","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"gas_mask","item_variant":"undefined"},{"item_id":"RUS68441","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"kennington_eric_henri_1888_1960","item_category5":"not_balown","item_list_name":"search_results","item_name":"able_seaman_povey_of_h_m_s_hardy_1940_pastel_on_paper","item_variant":"undefined"},{"item_id":"BLO2151567","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"bloncourt_gerald","item_category5":"not_balown","item_list_name":"search_results","item_name":"gas_mask","item_variant":"undefined"},{"item_id":"DPA2246084","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"sammlung_berliner_verlag_archiv","item_category5":"not_balown","item_list_name":"search_results","item_name":"gas_mask","item_variant":"undefined"},{"item_id":"KES6232280","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_gas_masks_1940_b_w_photo","item_variant":"undefined"},{"item_id":"KES6232282","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_gas_masks_1940_b_w_photo","item_variant":"undefined"},{"item_id":"KES6232277","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_gas_masks_1940_b_w_photo","item_variant":"undefined"},{"item_id":"KES6232283","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_gas_masks_1940_b_w_photo","item_variant":"undefined"},{"item_id":"KES6232281","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_gas_masks_1940_b_w_photo","item_variant":"undefined"},{"item_id":"KES6232279","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_gas_masks_1940_b_w_photo","item_variant":"undefined"},{"item_id":"DPA2246207","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"stefan_sauer","item_category5":"not_balown","item_list_name":"search_results","item_name":"gas_mask","item_variant":"undefined"},{"item_id":"KES6232278","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_gas_masks_1940_b_w_photo","item_variant":"undefined"},{"item_id":"KES6232285","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_gas_masks_1940_b_w_photo","item_variant":"undefined"},{"item_id":"UIS5087906","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"cossack_in_a_gas_mask_november_1938","item_variant":"undefined"},{"item_id":"STC405627","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"italian_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"in_a_front_italian_trench_at_podgora_hill_a_gas_masked_sentry_illustration_from_the_illustrated_war_","item_variant":"undefined"},{"item_id":"UIS5099479","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"baby_s_gas_mask_1939","item_variant":"undefined"},{"item_id":"MEP2363929","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"soldier_with_gas_mask","item_variant":"undefined"},{"item_id":"EPL6877677","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"barnaby_s_studios_ltd_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"gas_mask_1918","item_variant":"undefined"},{"item_id":"EPL6782251","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"ww2_gas_mask","item_variant":"undefined"},{"item_id":"EPL6865993","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category4":"barnaby_s_studios_ltd_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"policeman_in_gas_mask","item_variant":"undefined"},{"item_id":"MEP2363666","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"officer_with_gas_mask","item_variant":"undefined"},{"item_id":"EPL6782247","item_category":"illustration","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"ww2_gas_mask","item_variant":"undefined"},{"item_id":"EPL6907233","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"dog_gas_mask","item_variant":"undefined"},{"item_id":"EPL6907236","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"wedding_gas_mask","item_variant":"undefined"},{"item_id":"EPL6907198","item_category":"photo","item_category2":"undetermined_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"gas_mask_fitting","item_variant":"undefined"},{"item_id":"EPL7038591","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"chinese_gas_mask","item_variant":"undefined"},{"item_id":"KES6232134","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_gas_mask_1940_b_w_photo","item_variant":"undefined"},{"item_id":"PNP364571","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"japanese_photographer_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"propaganda_photograph_of_japanese_combat_troops_posed_in_a_shanghai_street_1930s_b_w_photo","item_variant":"undefined"},{"item_id":"NAM5922982","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":"gunners_suspicious_of_an_approaching_taube_don_masks_as_protection_against_german_gas_shells_1915_ci","item_variant":"undefined"},{"item_id":"DTO3034441","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"german_gasmask","item_variant":"undefined"},{"item_id":"XLF3789830","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":"british_military_telephonist_with_gas_mask","item_variant":"undefined"},{"item_id":"MOL227522","item_category":"illustration","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"a_world_war_two_serviceman_s_gas_mask","item_variant":"undefined"},{"item_id":"KES6232133","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_gas_masks_1940_b_w_photo","item_variant":"undefined"},{"item_id":"DGC3106949","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"german_soldiers_and_their_mule_during_wwi_1916","item_variant":"undefined"},{"item_id":"GIA4695584","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":"gas_war_a_soldier_and_his_2_horses_wearing_the_gas_mask_during_the_first_world_war","item_variant":"undefined"},{"item_id":"NAM5925857","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category4":"british_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"respirator_used_by_the_scots_guards_in_the_falklands_war_1982","item_variant":"undefined"},{"item_id":"FAF494211","item_category":"photo","item_category2":"out_of_copyright","item_category3":"standard","item_category4":"betti_luigi_1881_1941_and_borra_giuseppe_fl_c_1960","item_category5":"not_balown","item_list_name":"search_results","item_name":"some_firemen_at_work_with_gas_masks_and_fire_plugs_1950_60_gelatin_silver_print","item_variant":"undefined"},{"item_id":"NAM5925858","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category4":"british_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"respirator_used_by_the_scots_guards_in_the_falklands_war_1982","item_variant":"undefined"},{"item_id":"NAM5921812","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":"french_troops_don_their_gas_masks_while_manning_a_trench_on_the_western_front_1915_circa_b_w_photo","item_variant":"undefined"},{"item_id":"NAM5925859","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category4":"british_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"respirator_used_by_the_scots_guards_in_the_falklands_war_1982","item_variant":"undefined"},{"item_id":"EVB2080667","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":"african_american_soldier_with_his_gas_mask_b_w_photo","item_variant":"undefined"},{"item_id":"NAM5922147","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_troops_waiting_to_go_over_the_top_1918_b_w_photo","item_variant":"undefined"},{"item_id":"NAM5924516","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_wearing_a_gas_hood_1917_circa_b_w_photo","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":"UIG5446694","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":"gas_mask_drill_1916","item_variant":"undefined"},{"item_id":"UIG3520710","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"first_world_war_gas_mask_worn_during_gas_attacks","item_variant":"undefined"},{"item_id":"NAM5926718","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category4":"british_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"box_respirator_owned_by_captain_a_b_dale_1st_country_of_london_yeomanry_middlesex_duke_of_cambridge_","item_variant":"undefined"},{"item_id":"DTO3034602","item_category":"object","item_category2":"out_of_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"gas_mask_in_metal_canister","item_variant":"undefined"},{"item_id":"SZT931644","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"english_soldier_in_gas_mask_1915_b_w_photo","item_variant":"undefined"},{"item_id":"FIT63168","item_category":"illustration","item_category2":"in_copyright","item_category3":"standard","item_category4":"hassall_joan_1906_88","item_category5":"not_balown","item_list_name":"search_results","item_name":"bedroom_no_8_in_the_oxford_and_cambridge_club_with_signed_inscription_by_nevil_shute_ink_watercolour","item_variant":"undefined"},{"item_id":"UIT6188413","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"chemical_warfare_gas_mask_pirelli_mask_1915_18_b_w_photo","item_variant":"undefined"},{"item_id":"UIT6188417","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"chemical_warfare_gas_mask_pirelli_mask_1915_18_b_w_photo","item_variant":"undefined"},{"item_id":"NAM5920384","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category4":"british_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"box_respirator_owned_by_captain_a_b_dale_1st_country_of_london_yeomanry_middlesex_duke_of_cambridge_","item_variant":"undefined"},{"item_id":"NAM5926719","item_category":"object","item_category2":"no_copyright","item_category3":"standard","item_category4":"british_school_20th_century","item_category5":"not_balown","item_list_name":"search_results","item_name":"box_respirator_owned_by_captain_a_b_dale_1st_country_of_london_yeomanry_middlesex_duke_of_cambridge_","item_variant":"undefined"},{"item_id":"UIT6188440","item_category":"photo","item_category2":"no_copyright","item_category3":"standard","item_category5":"not_balown","item_list_name":"search_results","item_name":"chemical_warfare_gas_mask_penna_mask_1915_18_b_w_photo","item_variant":"undefined"},{"item_id":"MOL227039","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":"world_war_two_air_raid_supplies_and_chart","item_variant":"undefined"}]}}

{"event":"custom_event","event_name":"view_search_result","event_category":"browse_catalog","keyword":"masque a gaz","search_type":"standard","search_bridgeman_artists":"false","search_mode":"automatic","search_zero_result":"false","search_results":1188,"search_results_page_number":1}