Back in the 1920s, it seemed everything was becoming coin-operated. All over the U.S., you could find coin-operated weighing machines at railroad stations; coin-operated vending machines were chock full of candy, cigarettes and other tasty treats; and the automatic coin-operated shoe shine machine was even threatening to put its flesh-and-blood counterpart out of a job. A 1926 issue of Radio News magazine called dropping coins in a slot the great American past-time. But unlike the candy vending machine or even weighing machines, there's one Jazz Age coin contraption that you'd be hard pressed to find today: the coin-operated radio.
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UNISYS TRIQUINT SEMICONDUCTOR TRIMBLE NAVIGATION LIMITED TRIDENT MICROSYSTEMS
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