File:HRDB-010 Lens Cap d'Antifer BBT 1889.jpg
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Summary
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English: Hyper radiant apparatus constructed for the Cap d’Antifer Lighthouse, France.
Exposition Universelle 1889 displayed by F.Barbier |
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| Source | https://uslhs.org/hyper-radial-lenses |
| Author | Unknown author |
Licensing
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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.
 Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings. |
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This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1931, and if not then due to lack of notice or renewal. See this page for further explanation.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:34, 15 July 2020 | | 872 × 1,200 (279 KB) | Jokulhlaup | Uploaded a work by Unknown from https://uslhs.org/hyper-radial-lenses with UploadWizard |
File usage
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Global file usage
The following other wikis use this file:
- Usage on cs.wikipedia.org
