File:Theatrophone - Clement Ader 1881.JPG
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| Description | Théâtrophone. Plan device théatrophone at the Opera during the World Exhibition in Paris (1881). |
| Date | |
| Source | Th. du Moncel, Le téléphone, 5ᵉ édition, Librairie Hachette, Paris, 1887, Coll. "Bibliothèque des merveilles", p. 123. Found at André Lange's Histoire de la télévision |
| Author | Clément Ader (1841-1926) |
| Permission (Reusing this file) |
Public domain, since author died more than 70 years ago. |
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 80 years or fewer.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 05:57, 21 November 2007 | 283 × 502 (22 KB) | Utcursch | {{Information |Description=''Théâtrophone''. Plan device théatrophone at the Opera during the World Exhibition in Paris (1881). |Source=Th du Moncel, ''Le téléphone'', Librarie Hachette. |Date=1887 |Author=Clément Ader (1841-192 |
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