British railway signalling
Subtitle: a survey of fifty years' progress
By: by O. S. Nock.
Publisher: Allen and Unwin
Published: 1970
Place of publication: London
Language: eng
Number of pages: 180
Subjects: Railroads -- Great Britain -- Signaling.
Notes: Imprint covered by label: Reprints of economic classics. Augustus M. Kelley, publishers, New York, 1970.