Cement, Concrete and Bricks. A. B. Searle. ([See p. 43.])

Civil Engineering, Building Construction, etc.

Civil Engineers’ Pocket Book. A Reference-Book for Engineers, Contractors and Students, containing Rules, Data, Methods, Formulæ and Tables. A. I. Frye, S.B., M.Am.S.C.E. 26/- net.

Some Modern Methods of Ventilation. With special reference to Public Buildings: Standards of Ventilation, Design of Ducts, Selection of Fans, Washers, and Heaters, Specifications, Test Forms, and Specimen Schedules for Designers. Ronald Grierson, A.M.I.Mech.E., A.M.I.E.E. Demy 8vo. 8/6 net.

Contents.—The General Principles of Ventilation. The Apparatus Employed Considerations to be observed in the Design of the Air Circuit. Ducts and Registers. Fans. Air Washing and Humidifying Plant (Filters). Heaters. Ozone. Instruments. Guarantees for Complete Installations. Tests. Motor Drives. Suggested Schedules for Designing Complete Installation. Purchase Specifications. The Application of Wet Air Filters to the Cooling of Electrical Machinery.

A Treatise on Cement Specifications. Jerome Cochran, B.S., C.E., M.C.E. ([See p. 26.])

The Principles of the Application of Power to Road Transport. H. E. Wimperis, A.M.Inst.C.E., A.M.I.E.E. Illustrated. Crown 8vo. 5/- net.

The Design of Simple Steel Bridges. P. O. G. Usborne, late R.E. ([See p. 25.])

The Elements of Structural Design. Horace R. Thayer. Medium 8vo.