Make a Crystal Radio Receiver - Part 1 - The Scout's Crystal Set presented Gian Piero de Medici 0:19 2 years ago 4 283 Скачать Далее
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Make a Crystal Radio Receiver - Part 3 - The Scout's Crystal Set Explained - How does it Work? Gian Piero de Medici 34:48 2 years ago 26 584 Скачать Далее
Make a Crystal Radio Receiver - Part 4 - Winding the coil for a crystal radio Gian Piero de Medici 3:09 1 year ago 3 085 Скачать Далее
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