10 yr experience on Atchison, Topeka and Santa Fe Railroad, shows advantages of battery operation with approach control; equipment described and cost statistics given for various battery installations; life of battery according to demand in use.
Electric switch lamps on Santa Fe
Ry Signaling
Railway Signaling ; 30 , n 3
1937
3 pages
Aufsatz (Zeitschrift)
Englisch
© Metadata Copyright Elsevier B. V. All rights reserved.
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