On board the submarine Walrus (1959) alongside the fitting out berth at Scott's Shipbuilding & Engineering Co Ltd shipyard at Greenock, on the Clyde. In the sound room between 56¼ and 59¼ stations on the starboard side of the main flat.

On board the submarine Walrus (1959) alongside the fitting out berth at Scott's Shipbuilding & Engineering Co Ltd shipyard at Greenock, on the Clyde. The photographer is in the sound room between 56¼ and 59¼ stations on the starboard side of the main flat looking aft and to starboard showing a tape recorder and reproducer on a cabinet, a type 186 long range passive search asdic console and another asdic unit against the aft bulkhead. An A62B fuse panel is against the boat's side.