Por un escritor de hombre misterioso
The transistor radio let teens listen to music and news without their parents. Read the fascinating history behind this revolutionary device!
Texas Instruments Designs the Regency TR-1, the First Commercial Transistor Radio, and the First Widely Sold Transistorized Product : History of Information
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World's First Transistor Radio! The Regency model TR-1 (1954, USA)
Transistor Radios: 1954-1968 (Schiffer Military History Book) (Paperback)
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