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 aft from the starboard side at the forward end of the compartment showing a work station on the left with a cupboard and drawers under the bench and electrical units on it. Receivers and aerial selector switches are on the right. A vertical format negative.