4 ms·
Somewhat related: Prior to this (which I did not know about!) they used pusher units to climb the grade. My dad was a road electrician for CP in the 70's and
by vhodges 4y ago
Somewhat related:
Prior to this (which I did not know about!) they used pusher units to climb the grade. My dad was a road electrician for CP in the 70's and was responsible for wiring up the ventilation system for the Connaught Tunnel and the electrical system for the pusher camp.