Description of 10-lever frame electric interlocking to control all movements of freight trains to and from Walbridge yard; study of power consumption discloses fact that 60-a.h. cells provide capacity for 4500 switch operations; track and signal plan showing layout of plant; control machine; power supply and signals; switch machines and operating battery; train order signals; track circuits; wire distribution.
Hocking valley builds electric interlocker, with a small battery
Ry. Signaling
Railway Signaling ; 22 , n 12
1929
4 pages
8 Figs.
Article (Journal)
English
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