On board the type 81 general purpose frigate HMS Tartar (1960) in Portsmouth Dockyard between November 1973 and April 1974 during a refit. The photographer in the GWS 21 Seacat power room between 60½ and 62 stations on the starboard side of 1 deck looking to starboard and forward from the port side showing an automatic changeover switch panel against the aft bulkhead in the right foreground. Two cupboards, a desk, a shelf, an amplifier, an armament communications junction box and a transformer are against the starboard bulkhead. A vertical format negative.