The type 81 general purpose frigate HMS Zulu (1962) in No. 1 dry dock in Rosyth Dockyard during a lengthy refit which was completed in December 1974. The photographer is standing on the floor of the dock looking up at two gratings in the hull which have been titled as typical outlet and inlet gratings. A 15 inch outlet grating is on the right and an 18 inch inlet grating is on the left. A man in white overalls is holding a three feet scale stick against the hull. Diver's search lines are painted on the hull.