REID.—A Practical Treatise on the Manufacture of Portland Cement:
By Henry Reid, C. E. To which is added a Translation of M. A. Lipowitz's Work, describing a New Method adopted in Germany for Manufacturing that Cement, by W. F. Reid. Illustrated by plates and wood engravings. 8vo. $6.00
RIFFAULT, VERGNAUD, and TOUSSAINT.—A Practical Treatise on the Manufacture of Varnishes.
By MM. Riffault, Vergnaud, and Toussaint. Revised and Edited by M. F. Malepeyre and Dr. Emil Winckler. Illustrated. In one volume, 8vo. (In preparation.)
RIFFAULT, VERGNAUD, and TOUSSAINT.—A Practical Treatise on the Manufacture of Colors for Painting:
Containing the best Formulæ and the Processes the Newest and in most General Use. By MM. Riffault, Vergnaud, and Toussaint. Revised and Edited by M. F. Malepeyre and Dr. Emil Winckler. Translated from the French by A. A. Fesquet, Chemist and Engineer. Illustrated by Engravings. In one volume, 650 pages, 8vo. $7.50
ROBINSON.—Explosions of Steam Boilers:
How they are Caused, and how they may be Prevented. By J. R. Robinson, Steam Engineer. 12mo. $1.25
ROPER.—A Catechism of High Pressure or Non-Condensing Steam-Engines: