A 2¾ x 2¼ film negative. On board the Type 12 frigate Yarmouth (1959) alongside the South-West Wall in Portsmouth Dockyard. Inside the Wasp helicopter hangar on 1 deck at 51-57 stations looking forward and to port from the door, showing the door control unit on the left, various control and distribution boxes on the bulkhead, the ship's gangway desk, a wheeled fire fighting trolley and a bicycle.