#410 • American Railway Signaling Principles and Practices Volume CHAPTER 1

Part of November 2026 Railroad Book and Slide Auction (timed auction by Rail & Road Auctions)

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Bidding closes Nov 30, 2026 6:42 PM EST

A comprehensive guide on American railway signaling principles and practices, covering historical developments, electric signal systems, manual block systems, interlocking, automatic train control, and train operation by signal indication without train orders. Includes detailed sections on coded track circuits, the first interlocking in America, and government activities in coded control. Geographical areas referenced include the Salem Tunnel (Boston & Maine RR), Louisville, Ky. Bridge (Pennsylvania RR), and Burlington (no further geographic area specified). A. A. R.