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 steam turbine engine room between 90 and 106 stations on 3 deck. A lubricating oil tank is on the right and a Laurence Scott & Electromotors Ltd Air-Bell motor fitted to a Worthington-Simpson pump and the starter motor are on the left. An air cylinder unit is against the end bulkhead. A vertical format negative.