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 forward from the aft end of the compartment showing drawers under the bench on the right with electrical units on it. Receivers and aerial selector switches are on the left and receiver units are against the forward bulkhead. A vertical format negative.