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 electronic transmitter room between 41 and 42 stations on the port side of 1 deck. The photographer is looking to port from the doorway showing four combination locked cupboards on the left and the main tranmitter control on the right. A storage shelf is on the side of the ship and a stack of cardboard boxes are on the deck. A vertical format negative.