Volume I.—REINFORCED CONCRETE. By Ewart S. Andrews, B.Sc. Eng. (Lond.). [In the press.

Volume II.—GAS AND OIL ENGINES. [In the press.

Volume III.—STRUCTURAL STEEL AND IRON WORK. [In the press.

Volume IV.—TOOTHED GEARING. By G.T. White, B.Sc. (Lond.). [In the press.

Volume V.—STEAM TURBINES: Their Theory and Construction. [In the press.