On board the Type 81 general purpose frigate Eskimo (1961) berthed on the south side of No. 3 basin in Chatham Dockyard. The photographer is in the enclosed bridge between 40 and 43½ stations on 01 deck looking aft on the port side showing a small desk with a sonar 778 AE general service depth repeater above it, a telephone and headset and a night signal box and signal pistol box. A vertical format negative.