April 1963…Plug in vest heats from dashboard. Riders in open cars, boats, tractors, or on motorcycles can now keep warm on cold days, says the inventor of this plug-in vest. It has flexible heating elements enclosed in plastic front and back panels and it plugs into a cigarette-lighter receptacle connected to a 6, 12 or 24 volt battery.Normally worn inside the jacket, the French device is demonstrated above on a cold day in London. When not in use the plug can be tucked in a pocket.
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