Telephone switchboard, 19th century

Videonummer 12269230
Telephone switchboard. Animated historical illustration of a front view of the wiring (bottom) and indicators (top) of a switchboard as used at a telephone exchange. The indicators have been triggered, indicating the switches that need connecting with a wire (as shown). These wires are used to re-route telephone calls to their destinations. The telephone was developed in the 1870s, with several inventors pioneering the technology. For the back of this switchboard, see image 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.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library
Modell-Rechte: nicht erforderlich
Länge: 10 Sekunden
Seitenverhältnis: 16:9
Restrictions: -

Preise für dieses Video ab 100 €

Werblich (Einzelne Webseiten etc.) ab 100 €
Redaktionell (Einzelne Webseiten etc.) ab 175 €
Medien (TV Film, Serie, TV Doku etc.) ab 230 €

Keywords

;