FOREIGN EXCHANGE
English Prices with Russian Equivalents (at Fourteen Rates of Exchange). English prices per lb., with equivalents in roubles and kopecks per pood. By A. Adiassewich. 182 pp., fcap. 32mo, roan. 1s. net.
English Prices with German Equivalents (at Seven Rates of Exchange). English Prices per lb., with equivalents in marks per kilogramme. By St. Koczorowski. 95 pp., fcap. 32mo, roan. 1s. net.
English Prices with Spanish Equivalents. At Seven Rates of Exchange. English prices per lb., with equivalents in pesetas per kilogramme. By S. Lambert. 95 pp., 32mo, roan. 1s. net.
English Prices with French Equivalents (at Seven Rates of Exchange). English prices per lb. to francs per kilogramme. By H. P. McCartney. 97 pp., 32mo, roan. 1s. net.
Principles of Foreign Exchange. By E. Matheson. Fourth edition, 54 pp., 8vo, sewed. (1905.) 3d. net.
GAS AND OIL ENGINES
The Theory of the Gas Engine. By D. Clerk. Edited by F. E. Idell. Third edition, 19 illus., 180 pp., 18mo, boards. (New York, 1903.) 2s. net.