Author: ARMSTRONG, JOHN.
Title: All About Signals.
Description: Reprint; Demy 4to; pp. 28; illustrated endpapers, text with numerous illustrations and diagrams, bound in stapled printed wrappers, very good copy. Milwaukee, WI; Kalmbach Publishing Co.; n.d. (1967). A special reprint of articles from the June and July 1957 issues of Trains, the Magazine of Railroading.

Keywords: Railway trains signals history