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 after cooling plant room between 157 and 167 stations on 4 deck looking forward on the centreline and to port showing two of the Worthington-Simpson Ltd Numarine electric motors and pumps. One large and two smaller circular gauge panels are against the forward bulkhead.