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File:Vintage Zenith Tombstone Radio, Model 5S127, Broadcast, Short Wave & Police Bands, 5 Vacuum Tubes, Made In USA, Circa 1937 (33825555595).jpg - Wikimedia Commons
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File:SPARK Museum of Electrical Invention - interior 66- Pointer-Dial Philharmonic Console Radio Model 20A - E.H. Scott Radio Laboratories, Inc., Chicago, 1937.jpg - Wikimedia Commons
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File:Vintage Philco (Big Bullet) Table Radio, Model 37-610T, Broadcast & Short Wave Bands, Art Deco Design, 5 Vacuum Tubes, Walnut Veneer Cabinet, Circa 1937 (15351304051).jpg - Wikimedia Commons
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Remote learning isn't new: Radio instruction in the 1937 polio epidemic | Braceworks Custom Orthotics
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Zenith Model 5-A-127 (5A127) Tombstone Radio (1937) | Vintage radio, Antique radio, Vintage electronics
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Antique Philco tombstone tube radio in wooden case model 37-620. Beat up vintage tabletop 1937 radio with part of open book in front Stock Photo - Alamy
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