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 up from 37 station on the centreline showing the top of a triple tier bunk unit against the bulkhead at station 41. Two electric fires, a paper towel roll and oxygen candles are under the deckhead.