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 port propeller taken from the bottom of the dock under the shaft ahead of the A bracket looking aft. The propeller blades have wavy lines drawn on them, have been identified A to E and some of them are covered in newspaper. The eddy plate has had its joints painted and white lines have been painted on the hull.