A 2¼ square film negative. The Type 12 frigate Yarmouth (1959) in No. 2 dry dock in Rosyth Dockyard. A very close view of the main circulating outlet between 54 and 55 stations on the starboard side, taken from the bottom of the dock. Two 'C' sentry anodes are fitted in the outlet. A photographic print from this negative is stamped 'Planning Department Design Division 8 May 1981 H M Dockyard, Rosyth'.