"Just a few flaps - plus the action of the oarsmen - frees a boat from any water shipped - said the Rev. Sidney Swann" who is the inventor of a new device for rowing boats.
C/U of the bottom of a boat showing a special flap which aids oarsmen to remove water from the boat. The boat is moved...
Demonstration of new anti theft device - throw a brick through a window and a shutter falls down.
Inventor tries out his new deep sea diving suit.
Footage of cars crashing into each other to test strength of new bumper.
A glider is seen - various shots of the plane and its creator.
Mr C. W. Roberts invents a periscope which enables him to look at all directions.
An Australian designer shows off his latest gas powered model aeroplane.
An item showing an economical motorcycle which runs off charcoal. Australia.
Footage of wardrobe with wheels being moved. London.