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American Telephone and Telegraph Company (or AT ... Alexander Graham Bell a year after he'd invented the telephone. That year the company set up the first private phone line: between Boston ...

In 1845 the telegraph shot to fame when John Tawell ... by Nicephore Niepce A description of the major scientific invention of the first photograph by Nicephore Niepce in 1826.

Watson, one of Bell's assistants, was trying to reactivate a telegraph transmitter ... how to transmit a simple current first, and received a patent for that invention on March 7, 1876.

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The invention of the telegraph by Cooke and Wheatstone ... Marconi A description of the major scientific invention of the first wireless communication by Guglielmo Marconi in 1897.