American technicians have built a radio transmitter the size of a matchbox.
Full title reads: "USA".
Washington DC, United States of America (USA). A new midget radio is demonstrated.
MS men and women working in electronics workshop.
CU Stencilling electronic circuits onto a silk screen a simplification of the complex radio wiring system.
CU Finished stencils.
CU the sending valve, compared with a tube of lipstick.
CU the inventor Dr Bernetti (sp?), holding one of the midget radio sets in his hand.
CU Pathe film sound recording machinery.
MS a Pathe reporter speaking over a standard sound system.
CU the inventor broadcasting by means of the new radio connected up with a Pathe sound system. He outlines the various uses for his mini walkie-talkie device.
Cataloguer's Note: Is this silk screen technique an early step on the road to printed circuit boards? - MD.