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 charthouse between 43½ and 44½ stations to port of the centre line on 01 deck. The photographer is looking forward and to port showing one end of the chart table with a Precision Barometer Mk. 3 and a telescope case on it. A number of electrical boxes connected to echo sounding gear are on the port bulkhead as is a speaking tube and action information intercom equipment.