Railway-signalling: mechanical
Subtitle: an introductory treatment of the principles, methods, and equipment for mechanical signalling on railways; the preparation of a signalling scheme; and the principles of interlocking, for railwaymen, students, and others
By: by Fras. Raynar Wilson ...
Series: Pitman's technical primer series; [69]
Publisher: Sir I. Pitman & Sons, ltd.
Published: 1923
Place of publication: London; New York [etc.]
Language: eng
Number of pages: 109
Subjects: Railroads -- Signaling.
Notes: Bibliography: p. 105.