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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.
Du Boff, Richard B. "The Telegraph in Nineteenth-Century America: Technology and Monopoly" Comparative Studies in Society and History, 26#4 (1984), pp. 571–586. Gabler, Edwin. The American Telegrapher: A Social History, 1860-1900 (1988) Gallagher, Edward A. Getting the message across: the story of Western Union ((Newcomen Society, 1971 ...
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 Electric Telegraph: A Social and Economic History. David and Charles. ISBN 0-7153-5883-9. OCLC 655205099. Mercer, David, The Telephone: The Life Story of a Technology, Greenwood Publishing Group, 2006 ISBN 031333207X; Schwoch, James (2018). Wired into Nature: The Telegraph and the North American Frontier. University of Illinois Press.
Transatlantic telegraph cables were undersea cables running under the Atlantic Ocean for telegraph communications. Telegraphy is an obsolete form of communication, and the cables have long since been decommissioned, but telephone and data are still carried on other transatlantic telecommunications cables .
Monument in downtown Salt Lake City, Utah, marking the approximate location where the first transcontinental telegraph line was completed.. The first transcontinental telegraph (completed October 24, 1861) was a line that connected the existing telegraph network in the eastern United States to a small network in California, by means of a link between Omaha, Nebraska and Carson City, Nevada ...
The one-needle telegraph proved highly successful on British railways, and 15,000 sets were still in use at the end of the nineteenth century. Some remained in service in the 1930s. [23] The Cooke and Wheatstone telegraph was largely confined to the United Kingdom and the British Empire. However, it was also used in Spain for a time. [24]
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 ...