A roll film negative. On board the submarine Sealion (1959) towards the end of a long refit at Portsmouth. The photographer is in the forward torpedo compartment looking to port, aft and down at 28 and 29 stations from the centreline showing the lower and middle torpedo reload racks. A vertical bar on the extreme right is labelled No. 3 port middle. Oxygen candle stowage is against the port side. A vertical format negative.