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 port from 67 station showing the snort drains unit, a loudspeaker, the V1/3 trimming pump starter by Allen West & Co Ltd of Brighton, controls for the night periscope, attack periscope, radar mast and ademar mast, the C3/1 transfer pump starter for hovering gear manufactured by Allen West & Co Ltd of Brighton, fuse box M1/8, an engine induction master control valve and an induction hull valve indicator panel. The curtain screening off the aft part of the passage is on the left. A vertical format negative.