On board the Type 81 general purpose frigate Eskimo (1961) in No. 3 basin in Chatham Dockyard during her 1971-1974 modernisation. The photographer is in No. 1 amplifier compartment between 37 and 41½ stations on the starboard side of 1 deck looking aft and to port into the aft port corner next to the door of the compartment. A power unit is in the corner with a T.I.U. Mark 5 (target indicating unit) test equipment stowage box and a fuse panel manufactured by Aish & Co of Bournemouth above it. A T.I.U. Mark 5 (target indicating unit) maintenance console is on the right. A CO² fire extinguisher is against the aft bulkhead. A vertical format negative.