File:Guglielmo Marconi 1901 wireless signal.jpg
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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.
Summary
[edit]DescriptionGuglielmo Marconi 1901 wireless signal.jpg |
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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Author | Published on LIFE | |||
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Published anonymously in UK. | |||
Other versions | File:Airwaves.jpg |
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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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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:33, 13 April 2019 | 3,000 × 1,849 (1.06 MB) | Alex Microbe (talk | contribs) | Higher Resolution | |
20:47, 24 May 2009 | 600 × 379 (33 KB) | Lobo (talk | contribs) | == 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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