No title. An invention for "sound-boxes" - a novel automatic needle attachment.
C/U of the device. A man pushes a small lever on the side. It seems to be a gramophone needle dispenser. When the lever is pressed, the old needle drops out and a new one springs forth. C/U of the needle being...
Footage of bizarre inventions at inventions exhibition.
New devices at the London Inventions Exhibition include a door with a cupboard inside it.
New inventions including tennis racket with detachable handle & electric iron which turns into hot plate.
Bizarre item about strange impractical inventions.
A.M. Low and Edwin Solomon give demonstration of their inventions.
Inventor Patrick Howden presents his newest invention.
Soldiers demonstrate new inventions to tackle barbed wire at the Front.