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 main wireless office and main signal office between 41 and 45 stations on the port side of 2 deck looking forward showing operator's positions against the port side of the ship. The nearest position is equipped with two teleprinters and two B40 CAY units and the other two positions have a morse key and two B40 CAY or B41 CAZ units above. Against the starboard bulkhead are a 618 unit, a CAS unit, an automatic emergency lantern, a fire extinguisher, a safe and fuse panels. Against the forward bulkhead are the FM12 D/F position, a teleprinter, a small key cabinet, a duplicating machine, a telephone switchboard, a bookrack and pigeon hole shelving.