" II. Built-up Steel Stanchions. (1901.) 1s. 3d. net.

" III. Cisterns and Tanks. (1902.) 1s. net.

" IV. A Fireproof Floor. (1903.) 1s. net.

Columns and Struts. Theory and Design. By Wm. Alexander. 101 illus., xii + 265 pp., demy 8vo. (1912.) 10s. 6d. net.

A Practical Treatise on Segmental and Elliptical Oblique or Skew Arches. By G. J. Bell. Second edition, 17 plates, 125 pp., royal 8vo. (1906.) £1 1s. net.

Economics of Construction in relation to Framed Structures. By R. H. Bow. Third thousand, 16 plates, 88 pp., 8vo. (1873.) 5s.

Theory of Voussoir Arches. By Prof. W. Cain. Third edition, 201 pp., 18mo, boards. (New York, 1905.) 2s. net.

New Formulæ for the Loads and Deflections of Solid Beams and Girders. By W. Donaldson. Second edition, 11 illus., viii + 56 pp., 8vo. (1872.) 4s. 6d.

Plate Girder Railway Bridges. By M. Fitzmaurice. 4 plates, 104 pp., 8vo. (1895.) 6s.

Pocket Book of Calculations in Stresses. By E. M. George. 66 illus., 140 pp., royal 32mo, half roan. (1895.) 3s. 6d.