A roll film negative. On board the submarine Sealion (1959) towards the end of a long refit at Portsmouth. The photographer is in the wardroom passage between 49 and 56¼ stations on the main flat looking forward from 54 station. The wardroom is on the right. number 2 battery switchboard, the pantry and a curtained double bunk berth unit are on the left. The watertight door into the forward crew accommodation is in the bulkhead at 49 station. A vertical format negative.