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 auxiliary machinery compartment between 62 and 68 stations below the main flat looking aft and to port from the starboard side at 67 station showing a gyro compass master alternator, a gyro compass alternator starter, a gyro compass control and amplifier panel and a motor generator between the radar mast and ademar mast wells on the centreline. Against the aft bulkhead are gyro compass units including a meter unit, a change over switch, an auxiliary D.C. control panel, a 3-way fuse box, an alternative supply switch box and a master transmission unit.