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  2. Timeline of North American telegraphy - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_North_American...

    The timeline of North American telegraphy is a chronology of notable events in the history of the electric telegraphy in the United States and Canada, including the rapid spread of telegraphic communications starting from 1844 and completion of the first transcontinental telegraph line in 1861.

  3. Telegraphy in the United States - Wikipedia

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

    The American Telegrapher: A Social History, 1860-1900 (1988) Gallagher, Edward A. Getting the message across: the story of Western Union ((Newcomen Society, 1971) Hindle, Brooke. Emulation and Invention (1981), compares telegraph and steamboat. Hochfelder, David. The Telegraph in America, 1832-1920 (The Johns Hopkins University Press, 2012 ...

  4. Electrical telegraph - Wikipedia

    en.wikipedia.org/wiki/Electrical_telegraph

    In America, the end of the telegraph era can be associated with the fall of the Western Union Telegraph Company. Western Union was the leading telegraph provider for America and was seen as the best competition for the National Bell Telephone Company. Western Union and Bell were both invested in telegraphy and telephone technology.

  5. History of telecommunication - Wikipedia

    en.wikipedia.org/wiki/History_of_telecommunication

    A replica of one of Claude Chappe's semaphore towers (optical telegraph) in Nalbach, Germany. The history of telecommunication began with the use of smoke signals and drums in Africa, Asia, and the Americas. In the 1790s, the first fixed semaphore systems emerged in Europe.

  6. Telegraphy - Wikipedia

    en.wikipedia.org/wiki/Telegraphy

    Distant Writing—The History of the Telegraph Companies in Britain between 1838 and 1868; Western Union Telegraph Company Records, 1820–1995—Archives Center, National Museum of American History, Smithsonian Institution. Early telegraphy and fax engineering, still operable in a German computer museum (Archived 20 April 2012 at the Wayback ...

  7. History of the telephone - Wikipedia

    en.wikipedia.org/wiki/History_of_the_telephone

    Another electrical telegraph was independently developed and patented in the United States in 1837 by Samuel Morse. His assistant, Alfred Vail, developed the Morse code signaling alphabet with Morse. America's first telegraph was sent by Morse on January 6, 1838, across 2 miles (3 km) of wiring.

  8. Wireless telegraphy - Wikipedia

    en.wikipedia.org/wiki/Wireless_telegraphy

    Efforts to find a way to transmit telegraph signals without wires grew out of the success of electric telegraph networks, the first instant telecommunication systems. [23] Developed beginning in the 1830s, a telegraph line was a person-to-person text message system consisting of multiple telegraph offices linked by an overhead wire supported on ...

  9. Timeline of the telephone - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_telephone

    1844: Innocenzo Manzetti first suggests the idea of an electric "speaking telegraph", or telephone. 1849: Antonio Meucci demonstrates a communicating device to individuals in Havana . It is disputed that this is an electromagnetic telephone, but it is said to involve direct transmission of electricity into the user's body.