Imperial War Museum Photo: (HU 110311) (Part of the Belfast Telegraph Collection) A Royal Air Force barrage balloon and gas cylinders. Photo taken on 20th September 1940. Copyright Belfast Telegraph Photographer.
Imperial War Museum Photo: (HU 110311) (Part of the Belfast Telegraph Collection) A Royal Air Force barrage balloon and gas cylinders. Photo taken on 20th September 1940. Copyright Belfast Telegraph Photographer.
Imperial War Museum Photo: (HU 110311) (Part of the Belfast Telegraph Collection) A Royal Air Force barrage balloon and gas cylinders. Photo taken on 20th September 1940. Copyright Belfast Telegraph Photographer.