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The idea of using the telegraph to transmit a time signal for longitude determination was suggested by François Arago to Samuel Morse in 1837, [82] and the first test of this idea was made by Capt. Wilkes of the U.S. Navy in 1844, over Morse's line between Washington and Baltimore. [83]
Early proposals for an optical telegraph system were made to the Royal Society by Robert Hooke in 1684 [12] and were first implemented on an experimental level by Sir Richard Lovell Edgeworth in 1767. [13] The first successful optical telegraph network was invented by Claude Chappe and operated in France from 1793. [14]
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.
Cooke and Wheatstone had their first commercial success with a telegraph installed in 1838 on the Great Western Railway over the 13 miles (21 km) from Paddington station to West Drayton. Indeed, this was the first commercial telegraph in the world. [10] This was a five-needle, six-wire [9] system. The cables were originally installed ...
Carl August von Steinheil was the first to put an earth-return telegraph into service. The first telegraph put into service with an earth return is due to Carl August von Steinheil in 1838. [26] Steinheil's discovery was independent of earlier work and he is often, inaccurately, cited as the inventor of the principle. [27]
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 Electric Telegraph Company's Act 1846 (9 & 10 Vict. c. xlvi).
A map of the Eastern Telegraph Company's submarine cables, 1901. In the nineteenth century, the United Kingdom of Great Britain and Ireland had the world's first commercial telegraph company. British telegraphy dominated international telecommunications well into the twentieth.
Pages in category "History of the telegraph" The following 17 pages are in this category, out of 17 total. ... First transcontinental telegraph; H. History of ...