On this day in 1838, Samuel Morse’s telegraph system is demonstrated for the first time at the Speedwell Iron Works in Morristown, New Jersey. The telegraph, a device which used electric impulses to transmit encoded messages over a wire, would…
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Jan 6, 1838: Morse Demonstrates Telegraph
Tagged with: 1838, Alfred Vail, Atlantic Ocean, January 6, Morse code, postaday2011, Samuel Finley Breese Morse, Samuel Morse, This Day in History, This Day In History, United States, Western Union, Yale University
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Dec 12, 1901: Marconi Sends First Atlantic Wireless Transmission
Italian physicist and radio pioneer Guglielmo Marconi succeeds in sending the first radio transmission across the Atlantic Ocean, disproving detractors who told him that the curvature of the earth would limit transmission to 200 miles or less. The message–simply the…
Tagged with: 1901, Atlantic Ocean, December 12, English Channel, Guglielmo Marconi, Heinrich Hertz, Morse code, Poldhu, radio, This Day in History, This Day In History, United States
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