Johann Philipp Reis

Johann Philipp Reis Johann Philipp Reis (; 7 January 1834 – 14 January 1874) was a self-taught German scientist and inventor. In 1861, he constructed the first ''make-and-break'' telephone, today called the Reis telephone. It was the first device to transmit a voice via electronic signals and for that the first modern telephone. Reis also coined the term. Provided by Wikipedia
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by Reis, Philipp.
Published 1863
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2
by Reis, Philipp
Published 1882
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