|December 17, 1951||Railway Age||Vol. 131 No. 25|
The Canadian National has ordered equipment from the General Railway Signal Company for installation of a relay interlocking at Mimico yard, Toronto. The remote control portion of this interlocking will be equipped with Synchrostep. The near controls will be over unit wire. The control machine will have 54 track lights and 77 levers for control of 39 switch machines and 38 signals. Included in this order are type B plug-in relays, model 5C and 5D switch machines, and type SA searchlight signals.
Ref: Mimico Yard