File:Chronograph chart used in Cornu's speed of light determination.png
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| Description |
English: Chronograph record from Cornu's speed of light determination showing wheel rotations, timing signals based on the observatory clock, and observer markings. |
| Date | |
| Source | Détermination de la vitesse de la lumière: d'après des expériences exécutées en 1874 entre l'Observatoire et Montlhéry http://jubilotheque.upmc.fr/ead.html?id=PC_000295_001 |
| Author | M. A. Cornu |
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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 70 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, 1929. |
| 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 | 09:25, 26 July 2015 | | 1,059 × 178 (75 KB) | Stigmatella aurantiaca (talk | contribs) | A superior scan of this same image |
| 08:47, 26 July 2015 |  | 713 × 127 (75 KB) | Stigmatella aurantiaca (talk | contribs) | User created page with UploadWizard |
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