Book review

The Transactions of the First World Power Conference, London, June 30th to July 12th, 1924. London, Percy Lund. Humphries & Co., Ltd., 4 v., 6423 pp., illus., maps. 10 by 6 in. cloth. These four handsome volumes contain the papers presented at the first World Power Conference, and the discussions they provoked. A fifth volume, containing an elaborate index, is in preparation.