Titles read: 'Pathetone Lightens The "Blackout" With - "UNDER THE SURFACE"'.
Brief shot of people looking into a pool at the Trieste Aquarium. Various good shots of tropical fish, starfish, octopus, sea plants and sea horses seen underwater in tanks.
New American truck can travel four hours under water.
Midget submarine HMS Shrimp visits Gloucester.
A diver uses a cutter fuelled by hydrogen and oxygen to cut steel bars under water.
Midget submarine for sportsmen and scientists is tried in California.
US frogmen go underwater fishing with spear guns.
Underwater skiers at Weekiwachee Springs, Florida, America.
Underwater skiing in Florida.