Central telephone exchange, 19th century

Central telephone exchange, 19th century

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Caption: Central telephone exchange. Historical illustration of the wiring and indicators of four switchboards at a central telephone exchange. At a telephone exchange, wires and switches (forming what is called a switchboard) are used to re-route telephone calls to their destinations. The telephone was developed in the 1870s, with several inventors pioneering the technology. For close-ups of the front and back of the switchboards, see images C024/6468 and C024/6469. Artwork from 'Electricite' (1911) by Max de Nansouty, part of the 'Les merveilles de la science' series of 1867-1891 by Louis Figuier.

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Keywords: 1800s, 19th century, 4, apparatus, artwork, black-and-white, central telephone exchange, communication, communications, electric, electrical, electricite, electricity, equipment, european, four, french, historical, history, illustration, indicators, les merveilles de la science, louis figuier, machine, marvels of science, max charles emmanuel champion de nansouty, max de nansouty, monochrome, network, no-one, nobody, phone, quartet, routers, switchboard, switches, technological, technology, telecommunication, telecommunications, telephone, telephone exchange, telephony, wires

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