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 forward from 21 station close to the starboard side showing the air reservoirs for tubes 1, 3 and 5 on the left. Against the boat's side are the nine valves for the hot run, vent and blow system for tubes 1, 3 and 5 with an electric fire below them and a circular torpedo tubes L.P.A. gauge above them. In the starboard forward corner is an high pressure air cylinder. A vertical format negative.