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File:Vintage Zenith Trans-Oceanic Multi-Band Tube Radio, Model Y600, Heavy-Duty High-Quality Construction, 5 Vacuum Tubes, Circa 1956-1957 (13787307703).jpg - Wikipedia
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Transistor radio - Wikipedia, the free encyclopedia | Transistor radio, Transistor radio vintage, Pocket radio
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File:Vintage Radio Advertising - RCA Victor, "Go Overseas for only $14.95", Circa 1941 (9707444479).jpg - Wikimedia Commons
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File:Vintage Zenith Royal 7000 Trans-Oceanic (Transistor) Radio, Chassis 18ZT40Z3, Made in the USA (12125483556).jpg - Wikimedia Commons
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