A 35mm roll film negative. On board the Rothesay class type 12 frigate Rhyl (1959) in Devonport Dockyard. In the diesel generator compartment on 2 deck between 6 and 11½ stations. The photographer is looking aft and to starboard from near the port forward corner showing the forward end of the port Davey Paxman diesel generator. The photograph was taken prior to 9 May 1972.