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 a platform on 4 deck showing a circulating water evaporating pump manufactured by G & J Weir Ltd of Cathcart on the left. Four pump starter panels by Allen West & Co Ltd of Brighton and a panel holding eight circular gauges labelled for brine pump, feed water pump, circulating pump and element drain pump are against the bulkhead. In the foreground is a large valve with the controlling arm being fitted in an universal joint.