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  2. Telegraphy - Wikipedia

    en.wikipedia.org/wiki/Telegraphy

    The word telegraph (from Ancient Greek: τῆλε 'at a distance' and γράφειν 'to write') was coined by the French inventor of the semaphore telegraph, Claude Chappe, who also coined the word semaphore. [2] A telegraph is a device for transmitting and receiving messages over long distances, i.e., for telegraphy. The word telegraph alone ...

  3. Optical telegraph - Wikipedia

    en.wikipedia.org/wiki/Optical_telegraph

    The most widely used system was the Chappe telegraph, which was invented in France in 1792 by Claude Chappe. It was popular in the late eighteenth to early nineteenth centuries. [1] [2] [3] Chappe used the term télégraphe to describe the mechanism he had invented – that is the origin of the English word "telegraph". [4]

  4. Alfred Vail - Wikipedia

    en.wikipedia.org/wiki/Alfred_Vail

    telegraph key, recording telegraph, ‘dot-and-dash’ telegraph alphabet Alfred Lewis Vail (September 25, 1807 – January 18, 1859) was an American machinist and inventor. Along with Samuel Morse , Vail was central in developing and commercializing American electrical telegraphy between 1837 and 1844.

  5. Samuel Morse - Wikipedia

    en.wikipedia.org/wiki/Samuel_Morse

    Samuel Finley Breese Morse (April 27, 1791 – April 2, 1872) was an American inventor and painter. After establishing his reputation as a portrait painter, Morse, in his middle age, contributed to the invention of a single-wire telegraph system based on European telegraphs.

  6. Charles Wheatstone - Wikipedia

    en.wikipedia.org/wiki/Charles_Wheatstone

    Sir Charles Wheatstone (/ ˈ w iː t s t ə n /; [1] 6 February 1802 – 19 October 1875) was an English physicist and inventor best known for his contributions to the development of the Wheatstone bridge, originally invented by Samuel Hunter Christie, which is used to measure an unknown electrical resistance, and as a major figure in the development of telegraphy.

  7. Telegraphy in the United States - Wikipedia

    en.wikipedia.org/wiki/Telegraphy_in_the_United...

    Tarr, Joel A., Thomas Finholt, and David Goodman. "The city and the telegraph: urban telecommunications in the pre-telephone era." Journal of Urban History 14.1 (1987): 38–80. Thompson, Robert Luther. Wiring a Continent: The History of the Telegraph Industry in the United States, 1832-1866 (1947) ends in 1866; emphasis on Western Union online

  8. History of the telephone - Wikipedia

    en.wikipedia.org/wiki/History_of_the_telephone

    The first working telegraph was built by the English inventor Francis Ronalds in 1816 and used static electricity. [8] An electromagnetic telegraph was created by Baron Schilling in 1832. Carl Friedrich Gauss and Wilhelm Weber built another electromagnetic telegraph in 1833 in Göttingen. At the University of Göttingen, the two had been ...

  9. History of telegraph - Wikipedia

    en.wikipedia.org/wiki/History_of_telegraph

    History of the electrical telegraph or history of wireless telegraphy in particular Topics referred to by the same term This disambiguation page lists articles associated with the title History of telegraph .