File:CrystalRadio.jpg
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![File:CrystalRadio.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/1/13/CrystalRadio.jpg/800px-CrystalRadio.jpg)
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Original file (1,037 × 555 pixels, file size: 94 KB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:20, 30 September 2009 | ![]() | 1,037 × 555 (94 KB) | commons>MarcGarver | {{Information |Description={{en|Crystal radio wiring pictorial based on Figure 33 in Gernsback's 1922 book "Radio For All" (copyright expired) with 'Aerial' changed to Antenna by me.}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia]; trans |
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