Progress in railroad signaling since 1909; application of "absolute block" system on Class 1 railways, which carry 97% of total traffic of Indian railways.
Signalling and block working on railways in India
Instn Civ Engrs -- Selected Eng Papers
1933
28 pages
1 Supp sheet
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
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