WRISTLET RADIO TRANSMITTER
Use For Trapped Bomb Victims (Received April 29, 10.20 p.m.)
LONDON, April 28. A lieutenant of the Polish army and a Dunfermline engineer have devised a wristlet broadcasting set to help in the rescuing of those who are trapped in wreckage. The Home Office is testing the device, which sends out oscillations of a fixed wavelength Sy slight pressure on 1 a celluloid strip. The oscillations can be picked up by an ordinary portable radio, and the rescuers are equipped with, a direction-finding coil which is able to locate the trapped persons. The broadcaster weighs six ounces, is three inches in diameter and operates for 44 hours on a small dry battery. They can be mass-produced for 5/- each.
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Bibliographic details
Dominion, Volume 34, Issue 182, 30 April 1941, Page 8
Word Count
122WRISTLET RADIO TRANSMITTER Dominion, Volume 34, Issue 182, 30 April 1941, Page 8
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