On board the Type 12 frigate HMS Berwick (1959) alongside the south wall in No.3 basin at Chatham Dockyard, near the end of her modernization which commenced 4 December 1967 and completed 4 June 1971. The photographer is in the radar display annexe between 30 and 31¾ stations on the port side of 1 deck looking to starboard showing the door on the left. An electric fire, a telephone, a fire extinguisher, an A/S plotting JYA7 switch box and a selector switch panel are against the starboard bulkhead. A design 219 co-ordinate converter cabinet and an A/S plotting JYA7 marker interlacing cabinet assembly containing a wave form generator, a marker selector unit, a pulse generator unit, two coding bearing units, an amplifier unit, a radar and tracker switch unit, an off-set marker switch unit, a T.A.S.C.O. switch unit and an interlace unit are against the aft bulkhead. A vertical format negative.