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Scientific American, Vol. 34, No. 17 (1876) (1876)
leaf 4
erent sizes, according to the Any medicament taken in the form of a powder may be The annexed engraving illustrates a recently patented pro- quantity to be enclosed by the same, are made with concave made up in this manner, and kept on hand for any length of time without deterioration. ED IMPROVED… … exact quantity of the medicament. The outer edges of a with the bore of B by the rollers, a, which are slightly larger than the cylinder, A. The heating cylinder can thus be © 1876 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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