167 pp. Oblong. 7 1/8 x 10. A thorough history of the E6 locomotive, or 'the big E', a version of 4-4-2 that became the first engine to produce over 1000 horsepower per driving axle. Westing explains the role it played in World War I, and how it affected the railroad industry in general, with detailed data from testing and performance. Numerous black & white photographs and illustrations.
