Few materials are as misunderstood, or misidentified as often, as gutta-percha. Pick up a union case in any antiques shop, and odds are good the tag will say "gutta-percha." Wrong. Most likely the ...
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IN your issue of October 19 you report a communication made to the French Academy of Sciences by Messrs. Dybowski and C. Fron regarding the cultivation of Eucommia ulmöïdes, a plant said by them to ...
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