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 main communication office between 41 and 45 stations on the port side of 2 deck. The photographer is looking forward and to port from the starboard side at the forward end of the office showing the Bay 8 position with B40 and B41 selector units above the desk which has a morse key on it. Above the selector units is a bookshelf. On the left is a paper shredding unit.