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Descriptions of an Electrical Telegraph, and of some other electrical apparatus.
FIRST EDITION of the first book on the electric telegraph, which was the first method of instantaneous communication over any distance.In the garden of his house in Hammersmith, later known as Kelmscott House, Ronalds strung 8 miles of insulated cable between two wooden frames (shown in the frontispiece), and proved that the transmission of electric signals across distances, and later through wires buried underground, was practically instantaneous.Ronalds realised the potential of his invention, but failed to interest the Admiralty or the British government in it, and did not take out a patent for it. It was left to W.F. Cooke and Charles Wheatstone, who, as a boy, had seen Ronalds' experiments, to patent the first commercially successful telegraph system in 1837.The telegraph was also the first device to bring electricity out of the laboratory and into the hands of ordinary people, and it changed people's lives. In 1866 the dream of instant transatlantic communication became a reality with the transmission of a clear and crisp signal from Ireland to Newfoundland along the transatlantic cable. With the telephone instant global communication became a reality.Wheeler Gift 803. Ronalds was an avid book collector; his collection is now in the Institution of Electrical Engineers, and the catalogue of it was published in 1880. 8vo, 3 leaves, 83 pages, engraved frontispiece and 7 other engraved plates all from drawings by the author. Original boards, new cloth spine and label, uncut. Boards a little marked, some minor foxing and browning, but a clean and fresh copy.
      [Bookseller: Nigel Phillips]
Last Found On: 2015-12-15           Check availability:      Direct From Bookseller    

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