Underwater footage of wrecked ship in Malta Harbour - from NP 296.
Divers break wrecked ships in parts so they can be salvaged.
Deep-sea diver investigates wreck of destroyer off Malta.
The Navy hope to salvage treasure from a sunken Spanish Galleon in Tobermory Harbour.
Italian archaeologists raise the wreck of an ancient Roman ship from Lake Nemi.
Item about submarine that dived 7 miles in Pacific, and new escape pod tested in Lake Erie.
A one-man submarine is tried out on a lake.
An underwater sub designed by Jacques Cousteau is shown off to the cameras.
Underwater television camera helps find wreckage of Swiss DC3 aircraft in Lake Constance.
Various shots of bottom feeding fish shot in a tank.
Various shots of bottom feeding fish shot in a tank.
Underwater shots of wreck of British warship which sank off Malta in 1942.
Divers recovering relics of wrecked ship in South Head, Australia.
Weird and wonderful phosphorescent underwater sea creatures.
Archaeologists go diving and exploring in Wookey Hole Cave, Somerset.
Sealab Two, an underwater capsule, allows aquanauts to live on seabed. California. America.
Bones of a dinosaur are lifted from the bottom of a lake in Florida.
Item showing ships being drained and salvaged.
Samples of seaweed and sea water are taken by employees of the Port Erin Marine Biological Station.
Funny educational film comparing sea creatures to fashion items.
Various shots of US nuclear-powered submarine getting a great welcome on its arrival in New York's Upper Bay, passing the Statue of Liberty and sailing under the Brooklyn Bridge.
Under water shots of the men swimming in search of oil deposits in Gulf of Mexico.
Footage of new small submarine in action, Devonport, Plymouth, Devon.
Submarine U.S.S. Pickerel makes a sensational leap out of water
Scientists descend deep below the Atlantic in a diving bell or bathysphere.
Teams of divers search for treasure chest in Stoney Cove, Leicestershire.