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 control room between 58 and 69 stations on the main flat looking forward and to starboard from 62 station showing the T.C.C. (Torpedo control calculator) Mark 16 cabinet and the ladder up to the conning tower hatch on the left. Against the forward bulkhead on the starboard side are the asdic bearing recorder, the hydrophone bearing corrector, the bathythermograph recorder and a junction box. The torpedo guidance control unit and a perspex screen are on the right with a type 187AA asdic bearing repeater at high level.