A roll film negative. On board the submarine Sealion (1959) towards the end of a long refit at Portsmouth. The photographer is in the junior rates mess between 34 and 44 stations on the main flat looking aft and to starboard from 38 station showing an English Electric No. 1 main battery switchboard in the corner between triple tier bunk units. A folding table and cushioned seats are in the foreground and an electric kettle is on the table. A vertical format negative.