A Practical Method of Determining the Profile of a Masonry Dam. By W. B. Coventry. 8vo, sewed. (1894.) 2s. 6d.

The Stresses on Masonry Dams (oblique sections). By W. B. Coventry. 8vo, sewed. (1894.) 2s.

Handbook of Cost Data for Contractors and Engineers. By H. P. Gillette. 1,854 pp., crown 8vo, leather, gilt edges. Second ed. (New York, 1914.) £1 1s. net.

High Masonry Dams. By E. S. Gould. 2nd edit. With illus., 88 pp., 18mo, boards. (New York, 1905.) 2s. net.

Railway Tunnelling in Heavy Ground. By C. Gripper. 3 plates, 66 pp., royal 8vo. (1879.) 7s. 6d.

Levelling and its General Application. By Thomas Holloway. Revised by H. T. Tallack. 8vo, 71 illus., 149 pp. Third ed. (1914.) 2s. 6d. net. Postage: inland, 4d.; abroad, 6d.

Waterways and Water Transport. By J. S. Jeans. 55 illus., 520 pp., 8vo. (1890.) 9s. net.

Table of Barometrical Heights to 20,000 Feet. By Lieut.-Col. W. H. Mackesy. 1 plate, 24 pp., royal 32mo. 3s.

Aid Book to Engineering Enterprise. By E. Matheson. Third edition, illustrated, 916 pp., medium 8vo, buckram. (1898.) £1 4s.

A Treatise on Surveying. By R. E. Middleton and O. Chadwick. Third edition, royal 8vo. (1911.)