Sealion (1959). In the W.T. (wireless telegraphy) office between 69 and 72½ stations on the starboard side of the main flat.

A roll film negative. On board the submarine Sealion (1959) towards the end of a long refit at Portsmouth. The photographer is in the wireless telegraphy office between 69 and 72½ stations on the starboard side of the main flat looking aft and up into the port inboard corner showing a stack of Racal 3.5 Kv units. Three power points are next to the door. A vertical format negative.