During the 17 to 26 months that the emergency braking system was not operating, the braking system was tested daily, but since the service brake and emergency brake were tested simultaneously, there was no way to tell if the emergency brake was functioning without looking at the brake pads or hydraulic pressure gauges during the test.
2.
The former had an unobstructed view through the windows of the monitor roof, and before him were five hydraulic cocks, which control the throttle, links, sliding boxes of the driving wheels, the brake, and the coupling rods of the entire train, while just above were steam and hydraulic pressure gauges and indicators, whistle and bell ropes, etc . With an engine thus furnished with provisions for gripping the rails, steep grades became of minor importance, as the steepest possible could be ascended if the requisite power was provided.
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