Electronic Puncture Detector A DEVICE to give warning of and seek
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out an impending flat tyre has been developed by Magnavox Co., of Fort Wayne, U.S.A. Primarily designed for lorries and buses, the instrument comprises a pressure switch in the tyre-valve stem and a mercury battery-powered transmitter on the road wheel. When a tyre pressure falls below a set level the switch is operated and the transmitter sends a radio signal via an antenna on the axle to a small receiver on the dashboard, where a red light or buzzer gives warning.
The failing tyre is then located by removing the indicator unit—about the size of a pocket transistor radio—and holding it near to each road wheel in turn. When the red indicator bulb lights the slack tyre • is found. The makers say the cost will be from £54.
I.M.I. in N. Wales rlA REGIONAL. committee is to • be formed by the Institute of the Motor Industry to promote its.a.' ctivities in North . Wales. Mr. S. E. Thompson, Francis Garage Ltd., Associated Firms, Colwyn Bay, is to be chairman.