Kell laying of Polaris submarine at Barrow-in-Furness.
MS. Three naval officers watching keel laying. Various shots of the circular keel being positioned on chocks. Various shots of the ceremony of keel laying of Polaris submarine. Sir Alfred Simms, the Director General of Ships at the Admiralty, fires the first rivets into the keel of the submarine.
Date found in the old record - 26/02/1964.