Cements, Mortars, and Concretes; their Physical properties. By M. S. Falk. 78 illus., 176 pp., 8vo. (New York, 1904.) 10s. 6d. net.

Concrete Construction, Methods and Cost. By H. P. Gillette and C. S. Hill. 310 illus., 690 pp., 8vo. (New York, 1908.) £1 1s. net.

Works by A. A. HOUGHTON.

Practical Silo Construction. 18 illus., 69 pp., cr. 8vo. (S. & C. Series, No. 27.) (New York, 1911.) 1s. 6d. net.

Moulding Concrete Chimneys, Slate and Roof Tiles. 15 illus., 61 pp., cr. 8vo. (S. & C. Series, No. 28.) (New York, 1911.) 1s. 6d. net.

Moulding and Curing Ornamental Concrete. 5 illus., 58 pp., cr. 8vo. (S. & C. Series, No. 29.) (New York, 1911.) 1s. 6d. net.

Concrete Wall Forms. 16 illus., 62 pp., cr. 8vo. (S. & C. Series, No. 30.) (New York, 1912.) 1s. 6d. net.

Concrete Monuments, Mausoleums and Burial Vaults. 18 illus., 65 pp., cr. 8vo. (S. & C. Series, No. 31.) (New York, 1911.) 1s. 6d. net.

Concrete Floors and Sidewalks. 8 illus., 63 pp., cr. 8vo. (S. & C. Series, No. 32.) (New York, 1911.) 1s. 6d. net.

Moulding Concrete Baths, Tubs, Aquariums and Natatoriums. 16 illus., 64 pp., cr. 8vo. (S. & C. Series, No. 33.) (New York, 1911.) 1s. 6d. net.