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 B gun bay between 41 and 49 stations on the centreline on 1 deck. Two rectifiers, a ready use cartridge locker, three small switch units and an ammunition hoist unit manufactured by Cocksedge & Co Ltd are against the outer bulkhead. Above the loading rails on the central column are a Captain of Gunhouse voicepipe and a load indicator box for general service pump motor. A vertical format negative.