| Moderated by: alchemyd | ||
| Author | Post | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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Paul Ferguson Member 
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http://sceti.library.upenn.edu/sceti/smith/index.cfm Shows the history of chemistry before 1850 through photos and illustrations. Free e-book about Fahs Smith available from the "About the Collection" link. |
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