Overman.—The Manufacture of Steel. A new and enlarged edition. By A. A. Fesquet $1 50

Painter, Gilder, and Varnisher’s Companion. 12mo. 16th edition $1 50

Pallett.—The Miller’s, Millwright’s, and Engineers’ Guide. By Henry Pallett. Illus. 12mo. $3 00

Pearse.—A Concise History of the Iron Manufacture of the American Colonies up to the Revolution, and of Pennsylvania until the present time. Illustrated. 12mo. $2 00

Percy.—The Manufacture of Russian Sheet-Iron. By John Percy. Paper 50

Perkins.—Gas and Ventilation. 12mo. $1 25

Perkins and Stowe.—A New Guide to the Sheet-Iron and Boiler Plate Roller. Oblong $2.50

Powell-Chance-Harris.—The Principles of Glass Making. A Treatise on Crown, Sheet, and Plate Glass. Illustrated 12mo. $1 50

Proteaux.—Practical Guide for the Manufacture of Paper and Boards. 8vo. $10 00

Proctor.—A Pocket-Book of Useful Tables and Formulæ for Marine Engineers. By Frank Proctor. Pocket-book form $1 50