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File:Vintage Electra Portable 4 Transistor Reel-To-Reel Tape Recorder, Model TP-500, Made In Japan, Circa 1960s (15706532371).jpg - Wikimedia Commons
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File:Vintage Valiant 5 Transistor Portable Reel-To-Reel Tape Recorder, Made In Japan, Circa 1960s (16839828406).jpg - Wikimedia Commons
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