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Johann Philipp Reis (1834-1874)

"Johann Philipp Reis (German: [ʁaɪs]; 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." - (en.wikipedia.org 30.01.2020)

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Tischtelefonapparat für HandvermittlungFotografie, Jacob Seib, Frankfurt, Philipp Reis, ca. 1866.
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[Relation to person or institution] Johann Philipp Reis (1834-1874)
[Relation to person or institution] Alexander Graham Bell (1874-1922)
[Relation to person or institution] Heinrich von Stephan (1831-1897)
Image taken Johann Philipp Reis (1834-1874)
[Relation to person or institution] Jacob Seib (1812-1883)
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