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Johann Philipp Reis (1834 - 1874)
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Johann Philipp Reis (January 7, 1834 - January 14, 1874) was a self-taught German scientist and inventor. In 1861, he constructed the first make-and-break telephone, today called the Reis telephone.
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Home -> Astronomy News -> People -> Johann Philipp Reis (1834 - 1874)


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