A centenary of signalling 1856-1956, John Saxby (1821-1913) and his part in the development of interlocking and of the signalling industry which began with his patent of 1856 for protecting junctions.
Publisher: Issued by Westinghouse Brake & Signal Co
Published: 1956
Place of publication: London
Language: eng
Number of pages: 24
Subjects: Saxby, John.