Maintenance practices in effect on one road operating about 250 multiple-unit cars on 650-volt third-rail system is outlined; train control employed is code system of Union Switch and Signal Co.; shock excitation; duplication of equipment; portable test set; testing procedure; wiring diagram of circuits employed in code system of train control as applied to multiple-unit cars; maintenance force.
Train control on multiple unit cars
Ry. Elec. Engr
Railway Electrical Engineer ; 20 , n 6
1929
6 pages
11 Figs.
Article (Journal)
English
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