Chemistry
Scientific American Supplement, No. 415, December 15, 1883
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Various





The Chemical Constituents of the Active Principle of the Ava Root
Read by J. M. Smallheer
Alice A. Ball





Scientific American Supplement, No. 288, July 9, 1881
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Various





Scientific American Supplement, No. 458, October 11, 1884
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Various





Scientific American Supplement, No. 484, April 11, 1885
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Various
The Scientific American may be the oldest continuously published periodical in the United States, having launched its first publication in 1…
Scientific American Supplement, No. 508, September 26, 1885
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Various
The Scientific American may be the oldest continuously published periodical in the United States, having launched its first publication in 1…

Violin Varnish and How to Make It
Read by Beeswaxcandle
Georges Foucher
A description of the properties and effects of the principal components of Varnish and the best means of employing them. - Summary by Prefac…