On board the County class guided missile destroyer London (1961) alongside the fitting out berth at the Neptune Works of Swan, Hunter & Wigham Richardson Ltd at Wallsend-on-Tyne. The ship is berthed starboard side to the quay. The photographer is in the gas turbine engine room between 114 and 128 stations on 3 and 4 decks looking athwartships showing the two cage protected propeller shafts with cable and pipe runs above them. An automatic emergancy lantern and a steel ladder are on the left and two Shipham Valves Ltd of Hull valves are on 4 deck. A vertical format negative.