Question

who invented the telecommunication device in Europe at first
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Answer 1

Answer:

1877: The Siemens telephone

Although German physicist Johann Philipp Reis invented the telephone as early as 1863, it took improvements by the American Alexander Graham Bell to transmit the human voice electrically. Bell presented his telephone system in 1878 at the World's Fair in Philadelphia.

Explanation:

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Answer 2

Answer:

German physicist Johann Philipp Reis invented the telephone in 1863

it took improvements by the American Alexander Graham Bell to transmit the human voice electrically.