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 asdic control room between 41 and 42¾ stations on the starboard side of 1 deck looking to starboard and forward. The senior officer's chair is on a raised platform on the left with the main starter panel, a playback unit a fire extinguisher, a telephone control box and the T.A.S. Dept. user's dome and sonar state board behind it. The four positions against the starboard side of the ship are the bearing, centre generator, range and depth consoles