A 2¼ square film negative. The Type 12 frigate Yarmouth (1959) in No. 2 dry dock in Rosyth Dockyard. A close starboard side view of the 12 inch diameter forward and aft evaporator circulating suction inlets in the hull between 47 and 48 stations. The photographer is looking up and to port from under the hull close to the keel blocks. A photographic print from this negative is stamped 'Planning Department Design Division 8 May 1981 H M Dockyard, Rosyth'.