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 side of the aft end of Hull Outfit 15 Type 170B sonar transducer and fairing between 10 and 13 stations after the covering dome has been removed. Two men are offering up a wooden fairing block to its position. The photographer is on the floor of the dock looking to starboard.