File:Vintage Sony Transistor Radio, Model TR-725, Two-Band (AM-SW), 7 Transistors, Made In Japan, Circa 1962 (49152925736).jpg - Wikimedia Commons
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Focusing on the culture & history & design of pocket transistor radios manufactured during the 1950's & 1960's! - SONY TR-730
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Sony Group Portal - Product & Technology Milestones−Radio
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Sony Group Portal - Product & Technology Milestones−Radio
File:Vintage Sony Model TR-1811 Transistor Radio, Broadcast Band Only (MW), 6 Transistors, Made In Japan, Circa 1965 (15837045992).jpg - Wikimedia Commons
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Sony Group Portal - Product & Technology Milestones−Radio
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Sony Group Portal - Product & Technology Milestones−Radio
Transistor radio - Wikipedia
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Sony Group Portal - Product & Technology Milestones−Radio
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Sony Group Portal - Product & Technology Milestones−Radio
Sony Group Portal - Product & Technology Milestones−Radio
Sony Group Portal - Product & Technology Milestones−Radio
Sony Group Portal - Product & Technology Milestones−Radio
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