. Electric railway journal . Key Route Signals—Motor-Generator Set in Power Housefor Supplying Signal Current at 1000 Volts overlap distance in the first instance or cause it to stop toosuddenly in the latter case. In the valve designed for the KeyRoute signal system any such action on the part of the motor- man is said to be more or less compensated for—that is, if themotorman attempts to offset the effect of the automatic tripby charging his train line the port opening of the trip will open Key Route Signals—Eastbound and Westbound Signals onSame Pole still wider. On the other hand, if he sh
. Electric railway journal . Key Route Signals—Motor-Generator Set in Power Housefor Supplying Signal Current at 1000 Volts overlap distance in the first instance or cause it to stop toosuddenly in the latter case. In the valve designed for the KeyRoute signal system any such action on the part of the motor- man is said to be more or less compensated for—that is, if themotorman attempts to offset the effect of the automatic tripby charging his train line the port opening of the trip will open Key Route Signals—Eastbound and Westbound Signals onSame Pole still wider. On the other hand, if he should attempt to applythe brakes the automatic valve would partly close. These pre-cautions have been effected by connecting a piston to the shaft. Key Route Signals—All-Electric Interlocking Machine inTower No. 3 which carries the trip arm. The shaft operates a rotary slidevalve in such a way that when the trip is depressed in the operat-ing direction air comes in behind the piston to hold it against
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