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 forward torpedo compartment between 16 and 34 stations on the main flat looking up and aft from 29 station on the centreline showing the torpedo embarking hatch. Two D.Vs. lockers marked "6 short" and H.P.A. valves are under the deckhead on the right. Under the deckhead on the left are more H.P.A. valves, two supply to reducing valves and a manifold pressure gauge. A vertical format negative.