Simmons Boardmen besides publishing mags like
Railway Age has a website,
www.transalert.com that sells books related to the industries it serves. Some of the railroad books are heritage reprints. One of the books it offers is
Rights of Trains, by Peter Josserand.
Mr. Josserand was once a dispatcher and he tells how to operate and dispatch trains by timetable and train orders.
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The book discription:
Description: Reprinted by popular demand! In this 5th Edition, it has been the aim of the author to set forth clearly the basic principles underlying the Standard Code and to show how the rules of various railroads differ from the Code and from each other. Printed first in 1904 and updated in 1957, this popular book has been highly sought after throughout the years and only recently reprinted. The information is not new but still highly respected in the industry. Softcover.
Brian Norden