The type 81 general purpose frigate HMS Zulu (1962) in No. 2 dry dock at Govan, Glasgow in December 1963 during the final stages of building. The hull outfit 18 (type 177) search asdic dome between 32 and 37 stations in the keel.

The type 81 general purpose frigate HMS Zulu (1962) in No. 2 dry dock at Govan, Glasgow in December 1963 during the final stages of building. The photographer is looking forward from between the keel blocks showing the hull outfit 18 (type 177) search asdic dome in the housed position between 32 and 37 stations in the keel. A man in overalls is kneeling under the dome holding up a three feet scale stick. A vertical format negative.