![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 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](https://c8.alamy.com/comp/2AN3J2D/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-fernfunkbertragungen-verwendete-historisch-digital-improved-reproduction-of-an-original-from-the-19th-century-digitale-reproduktion-einer-originalvorlage-aus-dem-19-jahrhundert-2AN3J2D.jpg)
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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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
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