""The A B C of Railroad Signaling"" is a lecture delivered by W. H. Elliott before the Harvard School of Business Administration. The book provides a comprehensive overview of railroad signaling, including the various types of signals used, their purposes, and how they operate. Elliott covers the history of railroad signaling, as well as the evolution of technology used in signaling systems. The book also includes diagrams and illustrations to aid in understanding the concepts discussed. This is a valuable resource for anyone interested in the history and technology of railroad signaling.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.
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