Railway signalling power supplies : (british practice)
2. ed., repr
1958
38 S
graph. Darst
Book
English
The possibilities of flash signalling in British railway practice
Engineering Index Backfile | 1913
|Mechanical signalling equipment : (british practice)
TIBKAT | 1957
|Engineering Index Backfile | 1913
Modern railway signalling practice in America
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|British underground railway practice
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|