A popular treatise on gems, in reference to their scientific value; a guide for the teacher of natural sciences, the jeweller, and amateur: together with a description of the elements of mineralogy, and all ornamental and architectural materials .. (1859)
Feuchtwanger, Lewis. [from old catalog] · New York, D. Appleton & company · leaf 459
PLATE -y. Eo. 1.—The improved Diamond Lathe (exhibited in the ParisExhibition, 1855, by Phillippe). No. 2 and 2 a.—The pincers, front and side view. The Peinoiple of Cutting. No. 3.—a. The table of a brilliant. &. The triangular faces.c. The angles terminating into planes, d. Lozenges—i large…
Precious stones · Building stones · Mineralogy
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