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 air electrical maintenance compartment between 69½ and 72 stations on the port side of 1 deck. The photographer is looking forward from the aft end. Work benches are on either side of the compartment. A ventilation fan unit is on the right and a tannoy is on the forward bulkhead. A vertical format negative.