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Transistor Radios: 1954-1968 (A Schiffer Book for Collectors): Smith, Norman R.: 9780764306600: Amazon.com: Books
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Transistor Radios: A Collector's Encyclopedia and Price Guide: Lane, D. R., Lane, Robert A.: 9780870697128: Amazon.com: Books
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File:Vintage Regency TR-1 Transistor Radio, The First Commercially Manufactured Transistor Radio In The World, Serial Number 103650, AM Band, 4 Transistors, Made In USA, First Sold In November 1954 (43724157340).jpg - Wikimedia Commons
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File:Vintage Regency TR-1 Transistor Radio, Mandarin Red, Made in the USA, Circa 1954, The World's First Commercially Produced Transistor Radio (8543573706).jpg - Wikimedia Commons
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Vintage Regency TR-1 Transistor Radio, Serial Number 16599, AM Band, Ivory Cabinet, 4 Transistors, Made In USA, Circa 1954 | Vintage radio, Transistor radio vintage, Transistor radio
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