Z Wikipédie
Description |
Photo of Marcellin Berthelot, (1827 - 1907) - french chemist
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Source |
en wiki: Magnus Manske (89320 bytes) (In the public domain by age
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Date |
exactly unknow, obviously before 1907
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Author |
unknow
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Permission |
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NOTE: as the dead date of Berthelot was 1907, is obvious that this image, in despite of the exact source, has its copyright expired, because it has more than 100 years old
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