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 aft and to starboard from 63 station showing the Admiralty Research Laboratory plotting table Mark 14 manufactured by Laurence-Scott & Electromotors Ltd of Norwich on the left with a D.P.G. 'O' compensating tank starboard lower gauge and a pitometer log speed transmitter above it. Against the radar office bulkhead are the echo sounder repeater, a radio transmitter/receiver unit with a microphone attached, a 4-way box fuse and an amplifier. The radar periscope has the enclosed radar mast well abaft it on the right and a Smith Astral clock reading 12.30 is fitted near the top of the radar mast well enclosure.