Saturday 19 October 2019

Good News in History, October 18

65 years ago today, the first transistor radio was sold by Texas Instruments and Regency Division of I.D.E.A. Rather than the large vacuum tubes of previous radios, the small portable receiver used transistor-based electronic circuitry and required far less power to operate. With mono earphone jacks included, the Regency TR-1 cost $49.95 (equivalent to $466 […]

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