Kent's mechanical engineers' handbook: Vol. II, Power, by Robert Thurston Kent. Price $5.00. Electrical Engineers' Handbook, Vol. IV, Electric Power, edited by Harold Pender, William A. Del Mar, and Knox McIlwain. Price $6.00. Volume V, Electric Communication and Electronics, edited by Harold Pender and Knox McIlwain. Price $5.00. 3 volumes, variously paged, 14.5 × 22 cms. New York, John Wiley & Sons Inc. London, Chapman & Hall, Ltd. 1936