Antoine Breguet's mercury telephone. From E. Hospitalier Tout par l'Electricite, Paris, 1882.

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: antoine, archival, archive, breguet, breguetmercurytelephoneparisfranceelectricelectricalelectricitycommunication, historical, history, mercury, telephone