Engineers’ Sketch Book of Mechanical Movements. By T. W. Barber. Fifth edition, 3,000 illus., 355 pp., 8vo. (1906.) 10s. 6d. net.

The Repair and Maintenance of Machinery. By T. W. Barber. 417 illus., 476 pp., 8vo. (1895.) 10s. 6d.

The Science of Burning Liquid Fuel. By William Newton Best. 100 illus., 159 pp. 8vo. (1913.) 9s. net.

Practical Treatise on Mill Gearing. By T. Box. Fifth edition, 11 plates, 128 pp., crown 8vo. (1892.) 7s. 6d.

The Mechanical Engineer’s Price Book. Edited by Geoffrey Brooks, A.M.I.Mech.E. 182 pp., pocket size (6½ by 3¼ by ½ inch). Leather cloth with rounded corners. Second ed. (1914.) 4s. net. Postage 3d.

Safety Valves. By R. H. Buell. Third edition, 20 illus., 100 pp., 18mo, boards. (New York, 1898.) 2s. net.

Machine Design. By Prof. W. L. Cathcart.

Part I. Fastenings. 123 illus., 291 pp., demy 8vo. (New York, 1903.) 12s. 6d. net.

Chimney Design and Theory. By W. W. Christie. Second edition, 54 illus., 192 pp., crown 8vo. (New York, 1902.) 12s. 6d. net.