Marconi Coherer
Guglielmo Marconi — Wikipédia
Guglielmo Marconi is credited with the first radio transmission in 1896 but he didn't transmit voice just a signal. Radio voice came along in the early 1900s. The actual credit for the
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File:Marconi's first radio transmitter.jpg - Wikimedia Commons
Marconi's first radio broadcast made 125 years ago - BBC News
Guglielmo Marconi - Wikipedia
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Marconi Transmitted The First Radio Signal, But His Invention Is Not Uncontested - Zenger News
Guglielmo Marconi with his radio, 1890s - Stock Image - C017/0685 - Science Photo Library
Marconi's first radio broadcast made 125 years ago - BBC News
Marconi Apparatus
Who Invented Radio: Guglielmo Marconi or Aleksandr Popov? – OldTownRadio.net
