Physics : The 1800s (Early History and Great Fervor)

Jun 17th, 2015
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1844 - - First public demonstration of Morse's electric telegraph, Baltimore to Washington. 1847 - - Alexander Graham Bell born in Edinburgh, Scotland. 1854 - - Thomas A. Watson born. 1858 - - First Atlantic telegraph cable completed but failed after 26 days due to the voltage being too high. 1861 - - Beginning of coast to coast telegraph communication in the United

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The 1800s (Early History and Great Fervor)1844 - - First public demonstration of Morse's electric telegraph, Baltimore to Washington.1847 - - Alexander Graham Bell born in Edinburgh, Scotland.1854 - - Thomas A. Watson born.1858 - - First Atlantic telegraph cable completed but failed after 26 days due to the voltage being toohigh.1861 - - Beginning of coast to coast telegraph communication in the United States.1866 - - Permanent communication is established by wire from the United States to Europe with thecompletion of the second Atlantic telegraph cable.1869 - - The partnership of Shawk and Barton is formed to take over an electric shop which WesternUnion Telegraph Company has abandoned. This partnership ultimately becomes Western ElectricCompany. George Shawk eventually sells his interest in the firm to Elisa Gray. The firm becomesGray and Barton and remains that way for two years. Gray devoted himself totally to electricresearch and was working on a harmonic telegraph at the same time as Bell. The idea of transmittingsounds occurred to him and he filed a caveat ( a confidential report of an invention which is not fullyperfected) in the U.S. Patent Office. His caveat indicates that he was on the same track as Bell buthad not worked out his transmitter as fully. On the same day, a few hours earlier, Bell filed a patentapplication for his telephone. Gray when on to invent the telautograph which transmits facsimilehandwriting and drawings. Gray died in 1901.1

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