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In 1856 it merged with its competitor the Erie and Michigan Telegraph Company, and changed its name to Western Union Telegraph Company. In 1857, Western Union participated in the 'Treaty of Six Nations', an attempt by six of the largest telegraph firms to create a system of regional telegraphy monopolies with a shared network of main lines.
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.
DOT-DASH TO DOT.COM: How Modern Telecommunications Evolved from the Telegraph to the Internet (Springer, 2011) Wu, Tim. The Master Switch: The Rise and Fall of Information Empires (2010) Lundy, Bert. Telegraph, Telephone and Wireless: How Telecom Changed the World (2008)
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 ...
The one-needle telegraph proved highly successful on British railways, and 15,000 sets were in use at the end of the nineteenth century; some remained in service in the 1930s. [42] The Electric Telegraph Company, the world's first public telegraphy company, was formed in 1845 by financier John Lewis Ricardo and Cooke. [43] [44]
Samuel Morse independently developed a version of the electrical telegraph that he unsuccessfully demonstrated on September 2, 1837. His code was an important advance over Wheatstone's signaling method. The first transatlantic telegraph cable was successfully completed on July 27, 1866, allowing transatlantic telecommunication for the first ...
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 .
The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors.