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Antonio Meucci invented the telethrophone in 1854

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Antonio Meucci invented the telethrophone in 1854

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He invented a device that was able to communicate his voice from the ground floor of a house to the upper floor.

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Alexander Graham Bell was a British scientist who invented the telephone on 1876

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Alexander Graham Bell was a British scientist who invented the telephone on 1876

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This invention used electricity to talk from the distance, and start a telephone network.
He was able to tell an entire phrase by phone.

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The first telephone exchange was installed in 1878.

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The first telephone exchange was installed in 1878.

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Twenty-one people worked there.

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The inventor of the payphone, William Gray in 1889

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The inventor of the payphone, William Gray in 1889

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He first installed it in a bank in Hartford, Connecticut. He founded a successful company, the Gray Telephone Pay Station Company, to sell his invention.

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In 1898 Alexander Keith and John and Charles Erickson invented the dial disc

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In 1898 Alexander Keith and John and Charles Erickson invented the dial disc

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With this phone you could not only call, you could send telegrams or messages spoken by the operator, as if it were an answering machine or an SMS system, saving distances.

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In 1922, a mobile phone was created, which was used by hooking it to telephone poles.

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In 1922, a mobile phone was created, which was used by hooking it to telephone poles.

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The workers carried it with them, and connected the telephone to communicate.

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World's First Mobile Phone (1922) | British Pathé

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In 1970, inalambric telephones were introduced to the market

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In 1970, inalambric telephones were introduced to the market

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Some units were installed in large companies, later, many people around the world could have one of these.