A roll film negative. On board the Tribal class type 81 frigate Mohawk (1962) in Portsmouth Dockyard. She was in a dry dock from 21 March to 11 April 1972 when she moved to the South Railway Jetty. In the steering gear compartment between 85 and 95 stations on 2 deck. The photographer is looking forward from the port side aft at 93 station showing a close-up of the emergency change over switch and connection box for steering motor number 2. A vertical format negative.