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Electrical telegraph | Wikipedia
Early work. Sömmering's electric telegraph in 1809. From early studies of electricity, electrical phenomena were known to travel with great speed, and many experimenters worked on the application of electricity to communications at a distance. See more
Electrical telegraphy is a point-to-point text messaging system, primarily used from the 1840s until the late 20th century. It was the first electrical telecommunications system and the most widely used of a number of early messaging … See more
Cooke and Wheatstone system
The first commercial electrical telegraph was the Cooke and Wheatstone system. A demonstration four … See moreThe ability to send telegrams brought obvious advantages to those conducting war. Secret messages were encoded, so interception alone would not be sufficient for the opposing side to gain an advantage. There were also geographical constraints on … See more
Precursors
Prior to the electric telegraph, visual systems were used, including beacons, smoke signals, flag semaphore, and optical telegraphs for … See moreMain article § Section: History of longitude § Land surveying and telegraphy.
The telegraph was very important for sending time signals … See moreIn America, the end of the telegraph era can be associated with the fall of the Western Union Telegraph Company. Western Union was … See more
Also mentioned in the articleWikipedia text under CC-BY-SA license Electrical telegraphy in the United Kingdom | Wikipedia
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Cooke and Wheatstone telegraph | Wikipedia
WEBThe 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 …
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Samuel F.B. Morse | Telegraph, Biography, & Facts
WEBSamuel F.B. Morse (born April 27, 1791, Charlestown, Massachusetts, U.S.—died April 2, 1872, New York, New York) was an American painter and inventor who developed an electric telegraph (1832–35). In 1838 he …
Telegraph | Invention, History, & Facts | Britannica
WEBJul 22, 2024 · Telegraph, any device or system that allows the transmission of information by coded signal over distance. The term most often refers to the electric telegraph, which was developed in the mid …
The History of the Electric Telegraph and Telegraphy
WEBOct 13, 2019 · The electric telegraph is a now outdated communication system that transmitted electric signals over wires from location to location and then translated into a message. The non-electric telegraph was …
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