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File:Vintage Galaxy-II (XR-I) Germanium Crystal Radio, Made In Japan For Polytran Industries, Incorporated, San Mateo, California, Circa Late 1950s (49170095813).jpg - Wikimedia Commons
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File:Vintage Miniman Germanium Crystal Radio, Model M-702, AM Band, Made In Japan, Circa 1960 (23024680533).jpg - Wikipedia
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