By R.W. Thomas, F.C.S. 8vo. 75

THOMPSON.—Political Economy. With Especial Reference to the Industrial History of Nations:

By Robert E. Thompson, M.A., Professor of Social Science in the University of Pennsylvania. 12mo. $1.50

THOMSON.—Freight Charges Calculator:

By Andrew Thomson, Freight Agent. 24mo. $1.25

TURNER'S (THE) COMPANION:

Containing Instructions in Concentric, Elliptic, and Eccentric Turning; also various Plates of Chucks, Tools, and Instruments; and Directions for using the Eccentric Cutter, Drill, Vertical Cutter, and Circular Rest; with Patterns and Instructions for working them. 12mo. $1.25

TURNING: Specimens of Fancy Turning Executed on the Hand or Foot-Lathe:

With Geometric, Oval, and Eccentric Chucks, and Elliptical Cutting Frame. By an Amateur. Illustrated by 30 exquisite Photographs. 4to. $3.00

URBIN—BRULL.—A Practical Guide for Puddling Iron and Steel.