File:Guillaume Amontons demonstrates his optical telegraph.png
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Summary
| Description |
English: French physicist and inventor Guillaume Amontons demonstrates his optical telegraph in the Luxembourg Gardens, Paris in 1690. |
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| Date | between 1867 and 1891 | |||
| Source | Figuier, Louis (1867-1891). Les Merveilles de la science: Ou description populaire des inventions modernes (Vol. 2). (6 volumes). Jouvet, & Cie (eds.). Librairie Furne. | |||
| Author | Émile Deschamps (1822-1893) | |||
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Licensing
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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 100 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1931. |
| 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 | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:28, 17 November 2024 | | 1,770 × 1,827 (846 KB) | wikimediacommons>The Cosmic Ocean | File:T2- d013 - Fig. 5. — Expérience télégraphique faite par Amontons.png cropped 35 % horizontally, 10 % vertically, 41 % areawise using CropTool with precise mode. |
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