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 machinery control room between 58½ and 61 stations on 2 deck looking into the starboard forward corner. A steam turbine register is on a desk on the right with telephones and an intercom above it. The main engine and boiler control panel fills the starboard forward corner and the forward bulkhead.