Demonstration of new amphibious tank design from Vickers-Armstrong.
Full title reads: "Chertsey. Tanks Swim Now! Vickers Armstrong startles world with marvellous new amphibious war machine."
Chertsey, Greater London.
Man begins to explain about a new design of tank for crossing rivers - pan to show small tank. A driver is looking out of the turret.
Shots of the small tank going through its paces on a testing track, driving over various obstacles and across rough ground.
The tank is driven down a river bank and starts to make its way across the water. It looks dangerous but makes it across the river and comes out on the other side.