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what year was the telegraph invented?

2007-12-10 10:17:29 · 1 answers · asked by caitlin 2 in Science & Mathematics Engineering

1 answers

An electrical telegraph was independently developed and patented in the United States in 1837 by Samuel F. B. Morse.

In 1775 Francisco de Salva offered an electrostatic telegraph. Samuel Thomas von Soemmering constructed his electrochemical telegraph in 1809. Also as one of the first, an electromagnetic telegraph was created by Baron Schilling in 1832. Carl Friedrich Gauss and Wilhelm Weber built and first used for regular communication the electromagnetic telegraph in 1833 in Göttingen. The first commercial electrical telegraph was constructed by Sir William Fothergill Cooke and entered use on the Great Western Railway in Britain. It ran for 13 miles from Paddington station to West Drayton and came into operation on 9 April 1839. It was patented in the United Kingdom in 1837. In 1843 Scottish physician Alexander Bain invented a device that could be considered the first facsimile machine. He called his invention a "recording telegraph". Bain's telegraph was able to transmit images by electrical wires. In 1855 an Italian abbot, Giovanni Caselli, also created an electric telegraph that could transmit images. Caselli called his invention "Pantelegraph". Pantelegraph was successfully tested and approved for a telegraph line between Paris and Lyon.

2007-12-10 10:23:38 · answer #1 · answered by Thomas C 6 · 1 0

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