1929 Charts of the Pneumatic Equipment of the Union Switch & Signal Co's. Automatic Train Control Systems

(Scranton): International Textbook Company, C. 1929. Wraps. 11.75 x 9.5 inches, cloth backed wraps, very good. With 9 folding charts. These charts are meant to accompany "Serial 2508, Automatic Train Control." Very good. Item #H35656

Price: $20.00