Railway-signalling: automatic
Subtitle: an introductory treatment of the purposes, equipment, and methods of automatic signalling and track-circuits for steam and electric railways, for railwaymen, students, and others
By: by Fras. Raynar Wilson ...
Series: Pitman's technical primer series -- [50]
Publisher: Sir I. Pitman & Sons, Ltd.
Published: 1922
Place of publication: London; New York [etc.]
Language: eng
Number of pages: 116
Subjects: Railroads -- Signaling