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File:EB1911-Terpenes-9.png

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Chemical structure of bicyclo-terpenes

Summary edit

Description
English: Chemical structure of bicyclo-terpenes, from Encyclopaedia Britannica 11th edition
Date
Source "Terpenes" article in Encyclopaedia Britannica 11th edition", pp. 647 ff. Starts at https://en.wikisource.org/wiki/Page:EB1911_-_Volume_26.djvu/678
Author Unknown authorUnknown author

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Public domain
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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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:EB1911-Terpenes-9.png
Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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