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 starboard propeller shaft and A bracket with the eddy plate removed to show the retaining collar. Part of the shaft is protected by a covering of tape. The photographer is looking aft and to port from the scaffolding by the side of the shaft.