Complicated track layout where heavily traveled artery crosses Chicago, Indianapolis, and Louisville Railroad, presents variety of control circuit problems; new gate lamp feature used; two Western Railroad Supply Co Model-10 short arm crossing gates, each equipped with three lamps, installed at crossing with W. S. 30 at Dyer, Indiana; diagram showing layout of installation.
Monon installs gates
Ry Signaling
Railway Signaling ; 32 , n 8
1939
Aufsatz (Zeitschrift)
Englisch
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