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 communications control room (receiving) between 41 and 43 stations on the port side of 3 deck. The photographer is looking to starboard from the port side at the forward end of the compartment showing various receiver units against the forward bulkhead. The door to the compartment has a state board fixed to it. A vertical format negative.