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 main motor room between 92 and 103 stations on the main flat looking aft and to port from 92 station showing the main generator circuit breaker on the right with the shunt regulator for the low power motor generator No. 1 above it. A low power fuse panel is alongside the circuit breaker and the low power control panel and switchboard manufactured by J I Thornycroft & Co at Woolston in 1954 is next to it. Above the switchboard are a shunt regulator for low power motor generator No. 2 and two low power motor generator starter panels. Further aft are a bench with two transductors and drawers under it and with two Smiths 15KVA 60 C/S DC/AC motor generators at the back of it close to the boat's side A vertical format negative.