Film showing a mechanical digger in action.
VS. A yellow mechanical digger moving and dumping earth and stones. A number of men watch the demonstration. The digger is then seen going up and down a very steep hill.
Demonstration of new anti theft device - throw a brick through a window and a shutter falls down.
Huge Caproni flying boat is shown from various angles.
A mechanical elephant takes a stroll in a park and meets a real one.
Old and new methods of splitting concrete are demonstrated.
A garage carries out a car diagnosis service. Hanwell, London.
RAF De Havilland aircraft taking off from and landing on aircraft carrier at sea.
Inventor Patrick Howden presents his newest invention.
Good shots of racing driver Kaye Don in action at Brooklands racetrack.