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 65 station showing the attack periscope on the left with the torpedo guidance control unit and a perspex screen beyond it. The Admiralty Research Laboratory plotting table Mark 14 manufactured by Laurence-Scott & Electromotors Ltd of Norwich has a periscope bearing unit, a 619H control unit, an 86M control unit , two D.P.G. 'O' compensating tank gauges and a pitometer log speed transmitter above it.