The type 81 general purpose frigate HMS Zulu (1962) alongside the Alexander Stephen & Sons Ltd fitting out berth at Linthouse, Glasgow during the final stages of building prior to 16 April 1964. The photographer is in the metadyne compartment between 73 and 78 stations on the port side of 3 deck looking aft from 73½ station showing a wooden bench with the A/S mortar metadyne below it, the fuse setting metadyne Mk 20A is on the deck and the metadyne Mk. 19 is further aft. Against the ship's side are a rectifier, various panels and a main broadcast loudspeaker. An amplifier assembly unit, fire control junction boxes, fuse panels and a semi-circular change over switch unit are on the left. An axial flow fan trunking is next to the aft bulkhead. A vertical format negative.