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Guglielmo Marconi - Wikipedia
Marconi Apparatus
How Marconi Gave Us the Wireless World
Guglielmo Marconi demonstrating apparatus he used in his first long distance radio transmissions in the 1890, digital improved reproduction of an woodprint from the year 1890 Stock Photo - Alamy
Marconi magnetic wireless detector | Science Museum Group Collection
Guglielmo Marconi with his radio, 1890s - Stock Image - C017/0685 - Science Photo Library