New York, Chicago, London: Railway Age Gazette/The Signal Engineer/The Railway Gazette/Simmons-Boardman Publishing Co., 1912. Second edition. Hardcover. Item #46282
Chapters include a Dictionary of Words, Terms and Phrases, Block Signals, Interlocking, Highway Crossing Signals, and Accessories. 526 pages with numerous photographic examples, wiring diagrams, equipment illustrations, etc. 23 pages of ads in the rear. Bound in dark brown leather. Recently professionally rebacked with cover corners repaired. A very good copy.