The Assayer's Guide; or, Practical Directions to Assayers, Miners, and Smelters, For the Tests and Assays, By Heat and By Wet Processes, of the Ores of All the Principal Metals, of Gold Silver Coins and Alloys, and of Coal &c.
Previous owner David Wight of Vallejo California. California pioneer and businessman. Philadelphia: Henry Carey Baird, 1856. Later printing. Hardcover. 12mo. [1], 133 pages, [1] page blank, [1], 24 pages of publisher advertisements. Illustrated with 4 plates consisting of multiple figures. Brown cloth hardcover ruled in blind on the covers with..... More