Tests for Ores, Minerals and Metals of Commercial Value
New York: D. Van Nostrand Company, 1907. Hardcover. Black leather, gilt letters and outline on front cover, 155 pp., no illus. "Intended as a Field Reference book, and aid, for the mineral seeker, for the 'Prospector,' and for all who are interested in Mines, Ores, and Minerals, and who have..... More