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        Guglielmo Giovanni Maria Marconi (Bologna, 1874-Rome, 1937), Italian physicist and inventor, with one of his first telegraphs

        This photograph shows Guglielmo Marconi (1874�1937) and his wireless telegraph. This invention came to be called a radio. The radio in the photograph included a 10-inch coil spark transmitter and a Morse linker. His early radios required large transmitters to send radio waves.

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