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 is in the metadyne compartment between 28 and 32 stations on 3 deck looking to starboard from the port side showing stairs up to 2 deck over a hatch leading down to 4 deck, a worktop with units under test on it, fuse panels, a junction box and an amplifier assembly are against the forward bulkhead. Three fuse panels are against the side of the ship. A cupboard, fuse panels, a transformer and an automatic change over switch are against the aft bulkhead. A vertical format negative.