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 Seaslug missile main magazine between 83½ and 139 stations on the centreline of 2 deck looking aft on the port side from about 90 station showing the transporter rails and the armoured door at 139 station. A vertical format negative.