File:Guglielmo Marconi 1901 wireless signal.jpg
Summary
Electrical engineer/inventor <a href="https://en.wikipedia.org/wiki/Guglielmo_Marconi" class="extiw" title="w:Guglielmo Marconi">Guglielmo Marconi</a> with the <a href="https://en.wikipedia.org/wiki/spark-gap_transmitter" class="extiw" title="w:spark-gap transmitter">spark-gap transmitter</a> (right) and <a href="https://en.wikipedia.org/wiki/coherer" class="extiw" title="w:coherer">coherer</a> <a href="https://en.wikipedia.org/wiki/radio_receiver" class="extiw" title="w:radio receiver">receiver</a> (left) he used in some of his first long distance <a href="https://en.wikipedia.org/wiki/radiotelegraphy" class="extiw" title="w:radiotelegraphy">radiotelegraphy</a> transmissions during the 1890s.
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:27, 4 January 2017 | | 600 × 379 (33 KB) | 127.0.0.1 (talk) | Electrical engineer/inventor <a href="https://en.wikipedia.org/wiki/Guglielmo_Marconi" class="extiw" title="w:Guglielmo Marconi">Guglielmo Marconi</a> with the <a href="https://en.wikipedia.org/wiki/spark-gap_transmitter" class="extiw" title="w:spark-gap transmitter">spark-gap transmitter</a> <i>(right)</i> and <a href="https://en.wikipedia.org/wiki/coherer" class="extiw" title="w:coherer">coherer</a> <a href="https://en.wikipedia.org/wiki/radio_receiver" class="extiw" title="w:radio receiver">receiver</a> <i>(left)</i> he used in some of his first long distance <a href="https://en.wikipedia.org/wiki/radiotelegraphy" class="extiw" title="w:radiotelegraphy">radiotelegraphy</a> transmissions during the 1890s. |
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