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File:Vintage Firestone Portable Radio (The Roamer), Model S-7426-7, AM Band, 4 Vacuum Tubes, Battery Powered, Made In USA, Circa 1939 (24147973058).jpg - Wikimedia Commons
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File:Vintage Firestone Table Radio With Ingraham Wood Cabinet, The Treasure Chest, Model S7403-4, Broadcast Band Only, 5 Tubes, Made In USA, Circa 1939 (20069703181).jpg - Wikimedia Commons
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