On December 12 in 1896, Guglielmo Marconi gave the first public demonstration of radio at Toynbee Hall, London.

AND...on this day in 1901, Marconi sent and received the first transatlantic radio message on Signal Hill, 2,000 miles away across Atlantic from Poldhu, Cornwall; from a box kite trailing a 121 metre long copper wire antenna. The first transatlantic wireless test signal was heard as the faint clicking of Morse code - of the letter 'S' repeated over and over.

Wikipedia | SHOP: Marconi

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