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Marconi Transmits Radio Message
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The Royal Society on Twitter: "The Italian electrical engineer, Guglielmo Marconi, credited as the inventor of the radio, was born #OTD in 1874 https://t.co/weFBOa9seH https://t.co/0RXsJ3aSrU" / Twitter
Guglielmo Marconi – Facts - NobelPrize.org
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Who Invented Radio: Guglielmo Marconi or Aleksandr Popov? – OldTownRadio.net