Telephone exchange. Engraving of a telephone exchange during the 1880s. Connections between telephones were made manually by the operators. The teleph

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Telephone exchange. Engraving of a telephone exchange during the 1880s. Connections between telephones were made manually by the operators. The telephone had been invented by Alexander Graham Bell in 1876. Illustration of the central telephone exchange in Rue Lafayette, Paris, France.

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Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
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Keywords: 1880, 19th, century, communication, communications, early, exchang, exchange, historical, history, paris, science, technology, telecommunication, telecommunications, telephone