Extensive use of dwarf signals, are features of installation involving 409 working levers for control of layout 2.4 mi. long; train starting system; track and signal plant of interlocking installation.
Interlocking system installed at Toronto union station
Ry. Signaling
Railway Signaling ; 24 , n 12
1931
5 pages
9 Figs.
Article (Journal)
English
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