A 35mm roll film negative. On board the Rothesay class type 12 frigate Rhyl (1959) in Devonport Dockyard. In the pump compartment and TAS store on the starboard side of 4 deck between 15½ and 19 stations. The photographer is looking forward and to port showing storage rack D with two pump units on the deck below it. The photograph was taken prior to 9 May 1972. A vertical format negative.