Railway signaling
Subtitle: a comprehensive treatise on modern methods of railway signaling, covering principles of operation and types of apparatus
By: written by a staff of expert signal engineers.
Publisher: The Electric journal
Published: 1908
Place of publication: Pittsburg, Pa
Language: eng
Number of pages: 108
Subjects: Railroads -- Signaling
Notes: "Reprinted from a series of articles on railway signaling published during the year 1907 in the Electric journal."