A 2¼ square film negative. The Type 12 frigate Yarmouth (1959) in a dry dock in Portsmouth Dockyard. A general view of the stabilizer in the extended position between stations 55 and 56 and five 'C' sentry anodes on the aft bilge keel between stations 59 and 61 on the starboard side, taken from the bottom of the dock looking aft. Above the stabilizer is the 3 inch diameter engine room air cooling system discharge between stations 56 and 57.