TO AID IN RESCUE
WRISTLET BROADCASTING SET
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 Horn( Office is Jtesting the device. which sends out oscillations of a fixed wavelength by slight pressure on 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 a"ble 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. The sets can be mass-produced for 5s each.—U.P.A, / •
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https://paperspast.natlib.govt.nz/newspapers/EP19410430.2.49.29
Bibliographic details
Evening Post, Volume CXXXI, Issue 100, 30 April 1941, Page 9
Word Count
116TO AID IN RESCUE Evening Post, Volume CXXXI, Issue 100, 30 April 1941, Page 9
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