Mynd:Guglielmo Marconi 1901 wireless signal.jpg
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Samandráttur
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English: Electrical engineer/inventor Guglielmo Marconi with the spark-gap transmitter (right) and coherer receiver (left) he used in some of his first long distance radiotelegraphy transmissions during the 1890s.
Español: El ingeniero eléctrico e inventor Guglielmo Marconi operando un aparato similar al usado por él para transmitir la primera señal no cableada a través del Atlántico. |
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| Høvundur | Published on LIFE | |||
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Published anonymously in UK. | |||
| Other versions | File:Airwaves.jpg |
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This image (or other media file) is in the public domain because its copyright has expired and its author is anonymous.
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Note: In Germany and possibly other countries, certain anonymous works published before July 1, 1995 are copyrighted until 70 years after the death of the author. See Übergangsrecht. Please use this template only if the author never claimed authorship or their authorship never became public in any other way. If the work is anonymous or pseudonymous (e.g., published only under a corporate or organization's name), use this template for images published more than 70 years ago.
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
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| Dagur/Tíð | Lítil mynd | Dimensjónir | Brúkari | Viðmerking | |
|---|---|---|---|---|---|
| streymur | 13. apr 2019 kl. 20:33 | | 3.000 × 1.849 (1,06 MB) | Alex Microbe | Higher Resolution |
| 24. mai 2009 kl. 20:47 |  | 600 × 379 (33 KB) | Lobo | == Sumario == {{Information |Description={{en|1=Electrical engineer/inventor Guglielmo Marconi operating apparatus similar to that used by him to transmit first wireless signal across Atlantic.}} {{es|1=El ingeniero eléctrico e in |
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