File:SPARK Museum of Electrical Invention - interior 66- Pointer-Dial Philharmonic Console Radio Model 20A - E.H. Scott Radio Laboratories, Inc., Chicago, 1937.jpg - Wikimedia Commons
Guglielmo Marconi demonstrating apparatus he used in his first long distance radio transmissions in the 1890, / Guglielmo Marconi demonstrierte Apparate, die er 1890 in seinen ersten Fernfunkübertragungen verwendete , Historisch, digital
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Invention et histoire de la radio (1895)
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History of the invention of the radio from its origins to today
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Who invented radio? | The Irish Sun
The radio invention. - ppt video online download
When was Radio invented?
SIGNOR MARCONI'S MAGIC BOX: The invention that sparked the radio revolution : Weightman, Gavin: Amazon.de: Bücher
The Invention of the Radio - Minesoft
