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    Terminology

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

    Wikipedia
    https://en.wikipedia.org/wiki/Telegraphy

    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 sophisti… 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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    Social implications
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  2. Wikipedia
    https://en.wikipedia.org/wiki/Telegraphy_in_the_United_States

    Telegraphy in the United States - Wikipedia

     
  3. Wikipedia
    https://en.wikipedia.org/wiki/Wireless_t…

    Wireless telegraphy - Wikipedia

    Wireless telegraphy or radiotelegraphy, commonly called CW (continuous wave), ICW (interrupted continuous wave) transmission, or on-off keying, and …

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    • Wikipedia
      https://simple.wikipedia.org/wiki/Telegr…

      Telegraphy - Simple English Wikipedia, the free …

      Telegraphy (from the Greek words tele (τηλε) = far and graphein (γραφειν) = write) is the long-distance transmission of written messages without physical transport of letters.

    • History
      https://www.history.com/topics/inventions/telegraph

      Morse Code & Telegraph: Invention & Samuel Morse ‑ HISTORY

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    • Britannica
      https://www.britannica.com/technology/…

      Telegraph | Invention, History, & Facts | Britannica

      Jul 22, 2024 · Telegraph, any device or system that allows the transmission of information by coded signal over distance. The term most often refers to the electric telegraph, which was developed in the mid-19th century and for more …

    • People also ask
      What is the difference between a telegraph and a wireless telegraphy?
      A telegraph is a device for transmitting and receiving messages over long distances, i.e., for telegraphy. The word telegraph alone generally refers to an electrical telegraph. Wireless telegraphy is transmission of messages over radio with telegraphic codes.

      Telegraphy - Wikipedia

      en.wikipedia.org
      Is a telegraph a true telegraphy?
      Possible messages were fixed and predetermined, so such systems are thus not true telegraphs. The earliest true telegraph put into widespread use was the Chappe telegraph, an optical telegraph invented by Claude Chappe in the late 18th century.

      Telegraphy - Wikipedia

      en.wikipedia.org
      Where did telegraphs come from?
      The first telegraphs came in the form of optical telegraphs, including the use of smoke signals and beacons, which have existed since ancient times. A semaphore network invented by Claude Chappe operated in France from 1792 through 1846. It helped Napoleon enough that it was widely imitated in Europe and the United States.

      Telegraphy - New World Encyclopedia

      newworldencyclopedia.org
      Where did the word telegraph come from?
      The word telegraph is derived from the Greek words tele, meaning “distant,” and graphein, meaning “to write.” It came into use toward the end of the 18th century to describe an optical semaphore system developed in France. However, many types of telegraphic communication have been employed since before recorded history.

      Telegraph | Invention, History, & Facts | Britannica

      britannica.com
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    • ethw.org
      https://ethw.org/Telegraph

      Telegraph - Engineering and Technology History Wiki - ETHW

    • ThoughtCo
      https://www.thoughtco.com/the-history …

      The History of the Electric Telegraph and Telegraphy

      Oct 13, 2019 · The electric telegraph is a now outdated communication system that transmitted electric signals over wires from location to location and then translated into a message. The non-electric telegraph was invented by Claude …

    • ThoughtCo
      https://www.thoughtco.com/the-inventi…

      The History of the Invention of the Telegraph

      Mar 24, 2019 · The Invention of the Telegraph Changed Communication Forever. A communication revolution wired the world in the 19th century. When British officials wished to communicate between London and the naval base at …

    • Wikipedia
      https://en.wikipedia.org/wiki/Timeline_of_North_American_telegraphy

      Timeline of North American telegraphy - Wikipedia

    • World History Encyclopedia
      https://www.worldhistory.org/Electrical_Telegraph

      Electrical Telegraph - World History Encyclopedia

    • Library of Congress
      https://www.loc.gov/collections/samuel-morse...

      Invention of the Telegraph - Library of Congress

    • New World Encyclopedia
      https://www.newworldencyclopedia.org/entry/Telegraph

      Telegraphy - New World Encyclopedia

    • The Franklin Institute
      https://www.fi.edu/en/blog/origins-telegraph

      The Origins of the Telegraph - The Franklin Institute

    • Wikipedia
      https://en.wikipedia.org/wiki/Telegraph_code

      Telegraph code - Wikipedia

    • Britannica
      https://www.britannica.com/technology/telegraph/...

      Development of the telegraph industry - Encyclopedia Britannica

    • Wiktionary
      https://en.wiktionary.org/wiki/telegraphy

      telegraphy - Wiktionary, the free dictionary

    • Wikipedia
      https://en.wikipedia.org/wiki/Telegraph_Media_Group

      Telegraph Media Group - Wikipedia

    • ethw.org
      https://ethw.org/Wireless_Telegraphy

      Wireless Telegraphy - Engineering and Technology History Wiki

    • Wikipedia
      https://en.wikipedia.org/wiki/Category:Telegraphy

      Category:Telegraphy - Wikipedia

    • Wikipedia
      https://en.wikipedia.org/wiki/Guglielmo_Marconi

      Guglielmo Marconi - Wikipedia

    • Wikipedia
      https://en.wikipedia.org/wiki/Transatlantic_telegraph_cable

      Transatlantic telegraph cable - Wikipedia

    • Wikipedia
      https://en.wikipedia.org/wiki/Telefunken

      Telefunken - Wikipedia