Furnace Heating. By W. G. Snow. Fourth edition, 52 illus., 216 pp., 8vo. (New York, 1909.) 6s. 6d. net.

Ventilation of Buildings. By W. G. Snow and T. Nolan. 83 pp., 18mo, boards. (New York, 1906.) 2s. net.

Heating Engineers’ Quantities. By W. L. White and G. M. White. 4 plates, 33 pp., folio. (1910.) 10s. 6d. net.

WATER SUPPLY

(See also Hydraulics)

Potable Water and Methods of Testing Impurities. By M. N. Baker. 97 pp., 18mo, boards. Second ed. (New York, 1905.) 2s. net.

Manual of Hydrology. By N. Beardmore. New impression, 18 plates, 384 pp., 8vo. (1914.) 10s. 6d. net.

Boiler Waters, Scale, Corrosion and Fouling. By W. W. Christie. 77 illus., 235 pp., 8vo. (New York, 1907.) 12s. 6d. net.

Bacteriology of Surface Waters in the Tropics. By W. W. Clemesha. 12 tables, viii + 161 pp., 8vo. (Calcutta, 1912.) 7s. 6d. net.