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 slightly aft from 61 station showing the control box for the main tank vent and kingston valves manufactured by Vosper Ltd, the aft hydroplane operating gear position with a clinometer and depth gauge, the automatic hydroplane gear main panel with a pacitor gauge contents box over, the forward hydroplane operating gear position equipped with a clinometer and depth gauge, a pump and flood orders indicator unit over and part of the torpedo firing orders unit.