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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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RARE vintage Marantz 10B 10 B FM receiver tube radio tuner stereo components w/ org paperwork | Reverb
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File:Vintage EICO Tube Tester, Model 625, Metal Cabinet, EICO Electronic Instrument Company, One Vacuum Tube (6H6), Made In USA, Circa 1950 - 1952 (32173593334).jpg - Wikimedia Commons
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