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  1. 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

    • 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 a method of telegraphy, whereas pigeon post is not. Ancient signalling systems, although sometimes quite extensive and sophisticated as in China, w… See more

    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

    Social implications

    Optical telegraph lines were installed by governments, often for a military purpose, and reserved for official use only. In many countries, this situation continued after the introduction of the electric telegraph. Starting in … See more

    Popular culture

    The optical telegraph was quickly forgotten once it went out of service. While it was in operation, it was very familiar to the public across Europe. Examples appear in many paintings of the period. Poems include "Le Telégraphe… See more

    Further reading

    • Britton, John A. Cables, Crises, and the Press: The Geopolitics of the New International Information System in the Americas, 1866–1903. (University of New Mexico Press, 2013).
    • Fari, Simone. Formative … See more

    External links

    "Telegraph" . Encyclopædia Britannica (11th ed.). 1911.
    Telegraph at the Encyclopædia Britannica
    The Porthcurno Telegraph Museum (Archived 27 September 2013 at the Wayback Machine)—The biggest telegraph s… See more

     
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  2. Wireless telegraphy - Wikipedia

     
  3. Electrical telegraph - Wikipedia

    Electrical telegraphy is a point-to-point text messaging system, primarily used from the 1840s until the late 20th century. It was the first electrical telecommunications system and the most widely used of a number of early …

  4. Telegraphy - Simple English Wikipedia, the free encyclopedia

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

    Nov 9, 2009 · Developed in the 1830s and 1840s by Samuel Morse and other inventors, the telegraph revolutionized long-distance communication. It worked by transmitting electrical signals over a wire laid...

  6. Telegraph | Invention, History, & Facts | Britannica

    Many telegraphic systems have been used over the centuries, but the term is most often understood to refer to the electric telegraph, which was developed in the mid-19th century and for more than 100 years was the principal means of …

  7. The History of the Electric Telegraph and Telegraphy

    Oct 13, 2019 · In 1828, the first telegraph in the USA was invented by Harrison Dyar, who sent electrical sparks through a chemically treated paper tape to burn dots and dashes. In 1825, British inventor William Sturgeon (1783-1850) …

  8. History of Telegraph - iResearchNet

    The term “telegraph” was used from the late eighteenth century to describe line-of-sight distance communication systems, most notably Claude Chappé’s semaphore network. By 1810, this network linked 29 of France’s largest cities …

  9. The Origins of the Telegraph - The Franklin Institute

    Jun 30, 2023 · While the idea for a machine dates back to the 1700s, it wasn’t until the 19 th century that the telegraph – a machine that transmits text across distance – was developed. While many inventors came up with different …

  10. Telegraphy in the United States - Wikipedia

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  12. Electrical Telegraph - World History Encyclopedia

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  14. Category:Telegraphy - Simple English Wikipedia, the free …

  15. Timeline of North American telegraphy - Wikipedia

  16. Who Invented the Telegraph? - HowStuffWorks

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