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The telegraph instruments used were the Henley's magnetic indicator, 1848 patent. [11] In February 1857 Todd's telegraph office was relocated to Green's Exchange, where Macgeorge's instrument had been installed, as a more convenient location. [12] Later that year, the Government purchased Macgeorge's line and pulled it down.
Hiram W. Sibley (February 6, 1807 – July 12, 1888), was an American industrialist, entrepreneur, and philanthropist who was a pioneer of the telegraph in the United States. Early life [ edit ]
Sir William Fothergill Cooke (4 May 1806 – 25 June 1879) was an English inventor. He was, with Charles Wheatstone, the co-inventor of the Cooke-Wheatstone electrical telegraph, which was patented in May 1837.
Francis Ormand Jonathan Smith (Brentwood, New Hampshire, November 23, 1806; Deering, Maine, October 14, 1876) was a U.S. lawyer, legislator, and telegraph pioneer and financier. He was elected from the state of Maine to the United States House of Representatives to serve three terms from 1833 to 1839, and business partner of Samuel Morse.
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.
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.
Mary Ann Isabella Wellstead was the first Stationmaster and telegraph operator of the Bremer Bay Telegraph Station, and likely the first female telegraphist in Australia. [1] She worked at the telegraph station from 1876-1881. [2] [3]
A utility pole, commonly referred to as a transmission pole, telephone pole, telecommunication pole, power pole, hydro pole, telegraph pole, or telegraph post, is a column or post used to support overhead power lines and various other public utilities, such as electrical cable, fiber optic cable, and related equipment such as transformers and ...