A roll film negative. On board the submarine Sealion (1959) towards the end of a long refit at Portsmouth. The photographer is in the engineers' store between 107 and 109 stations below the main flat looking to starboard and forward showing large steel cupboards labelled B, C and D against the forward bulkhead. A drop-down shelf is on the side of C locker. A list of items is taped to the door of B locker. A hank of cord and locker E1 are against the starboard side of the boat.