On board the Type 81 frigate Gurkha (1960) alongside the fitting out berth of John I Thornycroft & Co Ltd at Woolston, Southampton. The photographer is in the directing gear compartmentand T.A.S. (torpedo anti-submarine) store between 16 and 27 stations on 4 deck looking forward and to starboard from the port side at 25½ station showing the Hull Outfit 15 Type 170B asdic in its hoisting and lowering frame. Two Laurence Scott & Electromotors Ltd units, a resistance above a starter, are mounted on the face of the hoisting frame. On the right is a fresh water circulating pump.