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 to port and aft from 64 station showing the control box for the main tank vent and kingston valves manufactured by Vosper Ltd, an hovering pump gauge, an accumulator panel by Allen West & Co Ltd of Brighton, the rotary blower telegraph order panel, a clinometer, a ballast pump suction gauge, two trim pump gauges, the snort drains unit, a loudspeaker, the V1/3 trimming pump starter by Allen West & Co Ltd of Brighton and controls for the night periscope, attack periscope, radar mast and ademar mast. The radar periscope well is on the left.