Railway-signalling: automatic; an introductory treatment of the purposes, equipment, and methods of automatic signalling and track-circuits for steam and electric railways
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Book Details
Author(s)Francis Raynar Wilson
ISBN / ASINB014FXRGPO
ISBN-13978B014FXRGP5
MarketplaceCanada 🇨🇦
Description ▲
Railway-signalling: automatic; an introductory treatment of the purposes, equipment, and methods of automatic signalling and track-circuits for steam and electric railways