Duke opens new manoeuvring tank and watches submarine escape exercise on HMS Dolphin.
LS. Prince Philip the Duke of Edinburgh unveiling a plaque which opens the new manoeuvring water tank. People in audience applauding, many officers. LS. Duke is handed a container with water from previous tank, pan as he walks over and pours it into new tank. Duke, officers and dignitaries walking off. GV. The tank with huge rotating arm in centre. Low angle shot as Duke walks along catwalk. Various shots of a model boat being manoeuvred round tank. LS. Duke watching the operation. CU. Wave making machine at work. Various shots of Duke being shown some of the apparatus. CU. Plaque unveiled by the Duke. Various shots of the Duke in naval uniform watching submarine crew doing practise escaping in a 100 ft. deep tank at HMS Dolphin. Men are seen in water inside the tank as they shoot up, reach the surface and dive in again.
Date found in the old record - 18/12/1961.