A history of the precious metals, from the earliest periods to the present time; with directions for testing their purity, and statements of their comparative value, estimated cost, and amount at different periods; together with an account of the products of various mines; a history of the Anglo-Mexican mining companies, and speculations concerning the mineral wealth of California, by J. L. Comstock

Title:	A history of the precious metals, from the earliest periods to the present time; with directions for testing their purity, and statements of their comparative value, estimated cost, and amount at different periods; together with an account of the products of various mines; a history of the Anglo-Mexican mining companies, and speculations concerning the mineral wealth of California
Author:	Comstock, J. L. (John Lee), 1789-1858
Note:	Belknap and Hamersley, 1849

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Subject:	Precious metals
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