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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 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.
January 22, 1848 map in New York Herald showing extent of existing and planned North American telegraph lines. At this time, the service area for the United States reached Petersburg, Virginia in the south, Portland, Maine in the northeast, Cleveland, Ohio in the northwest, and as far west as East St. Louis, Illinois.
Tarr, Joel A., Thomas Finholt, and David Goodman. "The city and the telegraph: urban telecommunications in the pre-telephone era." Journal of Urban History 14.1 (1987): 38–80. Thompson, Robert Luther. Wiring a Continent: The History of the Telegraph Industry in the United States, 1832-1866 (1947) ends in 1866; emphasis on Western Union online
Transatlantic telegraph cables were undersea cables running under the Atlantic Ocean for telegraph communications. Telegraphy is a largely 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 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]
Aldi has issued an urgent message for remote workers after releasing a limited new range. Working from home has exploded in popularity ever since the Covid-19 pandemic forced employers and their ...
Telegraph companies began employing women as telegraph operators early on in the companies' period. The Magnetic was one of the first to do so [ 152 ] and the ETC started employing them from 1855. It was a popular, keenly sought job with unmarried women, who had few other good employment options—a well- paid job in nice surroundings.