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Cooke and Wheatstone's five-needle telegraph from 1837 Morse telegraph Hughes telegraph, an early (1855) teleprinter built by Siemens and Halske. Electrical telegraphy is a point-to-point text messaging system, primarily used from the 1840s until the late 20th century.
The Electric Telegraph Company was the world's first public telegraph company, founded in the United Kingdom by Sir William Fothergill Cooke and John Lewis Ricardo, MP for Stoke-on-Trent, [1] with Cromwell F. Varley as chief engineer. [2] It was incorporated by the the Electric Telegraph Company's Act 1846 (9 & 10 Vict. c. xlvi).
The electric telegraph was slower to develop in France due to the established optical telegraph system, but an electrical telegraph was put into use with a code compatible with the Chappe optical telegraph. The Morse system was adopted as the international standard in 1865, using a modified Morse code developed in Germany in 1848. [1]
Nahin, Paul J., Oliver Heaviside: The Life, Work, and Times of an Electrical Genius of the Victorian Age, Johns Hopkins University Press, 2002 ISBN 978-0-8018-6909-9. Nickles, David Paull, How the Telegraph Changed Diplomacy, Harvard University Press, 2003 ISBN 0-674-01035-3.
The Electric Telegraph: An Historical Anthology (1977) Smethers, J. Steven. "Pounding Brass for the Associated Press: Delivering News by Telegraph in a Pre-Teletype Era." American Journalism 19.2 (2002): 13-30. Sussman, Gerald. "Nineteenth-century telegraphy: Wiring the emerging urban corporate economy." Media History 22.1 (2016): 40–66.
The Cooke and Wheatstone telegraph was an early electrical telegraph system dating from the 1830s invented by English inventor William Fothergill Cooke and English scientist Charles Wheatstone. It was a form of needle telegraph , and the first telegraph system to be put into commercial service.
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.
Sir Francis Ronalds FRS (21 February 1788 – 8 August 1873) was an English scientist and inventor, and arguably the first electrical engineer. [1] He was knighted for creating the first working electric telegraph over a substantial distance. [2]