Ader's Fanfare, demonstrated at the Paris Exposition of 1889.

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

Keywords: ader, ader-bell, archival, archive, exposition, fanfare, historical, history, paris, parisexpositionader-belltelephonefrancereceiversmicrophonecommunicationelectricelectricalelectricity