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Innocenzo Manzetti first creates the idea of an electric "speaking telegraph", or telephone.
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Anotonio Meucci demonstrates an electric voice-operated device.
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Johann Philipp Reis manages to transfer voice electrically over a distance of 340 feet with his Reis telephone.
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Alexander Graham Bell first conceives the theoretical concept for the telephone.
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Bell's lawyer brings his patent for the telephone to the patent office.
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Bell's U.S. Patent for the telephone is granted.
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The first words are clearly spoken over the first telephone.
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