Edison and Testla

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Testla

Nikola Testla is born in Lika, Croatia

07/10/1856

Edison

Thomas Edison is born in Milan, Ohio

02/11/1847

Edison works as a telegraph operator

1863 - 1867

Edison becomes a first-class press-wire operator and experiments with telegraph instruments.

Edison becomes a telegraph operator in the main Western Union office in Boston

1868

Edison filed his first patent application for an automatic vote recorder for legislatures.

Edison retires as a telegraph operator to devote his time to invention.

1869

Edison patents several telegraph devices and moves to New York City, where he works for the Laws Gold Indicator Company.