On board the Type 12 frigate Lowestoft (1960) in No. 3 basin at Chatham Dockyard near the end of her modernisation which commenced 15 March 1968 and finished 31 May 1970. She was in the basin throughout May 1970. The photographer is in the avcat pump space between 57 and 59 stations on 4 deck looking to starboard showing an electric motor on the deck, two small gauges and a larger tank capacity gauge on the starboard bulkhead. The capacity gauge is calibrated up to 4775 gallons.