Half calf or morocco 21 00

Half Russia 22 50

JONES, H. CHAPMAN.—Text-Book of Experimental Organic Chemistry for Students.

18mo, cloth 1 00

JOYNSON, F. H.—The Metals used in Construction: Iron, Steel, Bessemer Metal, etc., etc.

Illustrated. 12mo, cloth 75

—— Designing and Construction of Machine Gearing.

Illustrated. 8vo, cloth 2 00

KANSAS CITY BRIDGE, THE.

With an account of the Regimen of the Missouri River, and a description of the methods used for Founding in that River. By O. Chanute, Chief-Engineer, and George Morrison, Assistant-Engineer. Illustrated with five lithographic views and twelve plates of plans. 4to, cloth 6 00