1664-12-11_Lantern_sketch_-_Huygens_a_Petit.jpg
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Summary
Description 1664-12-11 Lantern sketch - Huygens a Petit.jpg |
English:
A sketch of the lantern principles (without a slide) from Huygens reply to a letter from Pierre Petit (December 11, 1664)
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Source | https://archive.org/stream/oeuvrescompltesd05huyg#page/162/mode/1up | ||||||||||||||||||||||||||
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creator QS:P170,Q39599
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Licensing
Public domain Public domain false false |
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. |
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/ PDM Creative Commons Public Domain Mark 1.0 false false