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    Overview

    Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is … See more

    Terminology

    The word telegraph (from Ancient Greek: τῆλε (têle) 'at a distance' and γράφειν (gráphein) 'to write') was coined by the … See more

    Telegraphy - Wikipedia

    History

    Passing messages by signalling over distance is an ancient practice. One of the oldest examples is the signal towers of the Great Wall of China. In 400 BC, signals could be sent by beacon fires or drum beats. By 200 BC … See more

     
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  2. Morse Code & Telegraph: Invention & Samuel Morse …

    Nov 9, 2009 · Telegrams, often delivered to homes and businesses by delivery boys, were a popular way of communicating during the 1920s and 1930s, …

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    • Telegraph | Invention, History, & Facts | Britannica

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    • When Were Telegrams Invented? A Timeline of the …

      Jan 12, 2023 · The first practical telegraph was invented in 1837 by British inventor William Fothergill Cooke and American inventor Charles Wheatstone. This invention paved the way for the widespread adoption of the telegram, …

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    • Samuel F.B. Morse | Telegraph, Biography, & Facts

      Oct 17, 2024 · Samuel F.B. Morse, American painter, philanthropist, and inventor who developed an electric telegraph (1832–35). In 1838 he and his friend Alfred Vail developed the system of dots and dashes later known as the Morse Code.

    • Electrical Telegraph - World History Encyclopedia

      Mar 24, 2023 · The first commercial telegraph machine was invented by two Englishmen working together: William Fothergill Cook and Charles Wheatstone. The first version of their telegraph, patented in 1837, had 20 letters on a …

    • Samuel Morse unveils the telegraph, revolutionizing …

      Nov 24, 2009 · In May 1844, Morse sent the first official telegram over the line, with the message: “What hath God wrought!” Over the next few years, private companies, using Morse’s patent, set up telegraph lines around the Northeast.

    • Invention of the Telegraph | Articles and Essays | Samuel F. B.

    • Who Invented The Telegraph? Revolutionizing Global …

      Nov 6, 2023 · When Was the Telegraph Invented? By 1838, after exhaustive trials and persistent improvements, Morse and Vail were able to demonstrate a working model of the telegraph. However, the milestone event that validated the …

    • The History of the Electric Telegraph and Telegraphy

      Oct 13, 2019 · In 1809, a crude telegraph was invented in Bavaria by Samuel Soemmering. He used 35 wires with gold electrodes in water. At the receiving end, the message was read 2,000 feet away by the amount of gas produced …

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    • How the Telegraph Went From Semaphore to Communication …

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    • Victorian telegrams: the early development of the telegraphic …

    • Who Invented The Telegraph? Inside The Origins Of This Historic …

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