xxv, 678 p. front., illus., xiv pl. (part fold.) 21 cm.
The metallurgy of gold: a practical treatise on the metallurgical treatment of gold-bearing ores including the process of concentration, chlorination, and extraction by cyanide, and the assaying, melting, and refining of gold / by M. Eissler.
New York (N.Y.); Nostrand, 1896