File:1819 brewster - treatise on the kaleidoscope fig 18-20.jpg
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Summary
| Description |
English: Polyangular Kaleidoscope of R.B. Bate (with adjustable reflector angles), as illustrated in Treatise on the Kaleidoscope (1819) |
| Date | |
| Source | https://books.google.nl/books?id=76xjAAAAcAAJ&pg=PA177#v=onepage&q&f=false |
| Author | David Brewster |
Licensing
|
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 | 11:57, 18 December 2016 | | 607 × 1,006 (120 KB) | Joortje1 | User created page with UploadWizard |
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