BROWN, WALTER L., - Manual of assaying gold, silver, copper, tin and lead ores. Revised by A.B. Griffiths.

London, Heinemann, 1904 (reprint of new ed. 1898). 16mo. XVI+352 pp. With 88 figs. Index. Hardcover. Or.blue cloth with red decor. and gilt lettering. (Ex-lib. copy: label on front, stamp on title). Good/--.