Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 180
ep by step by moving the starting lever to the right for forward operation, andto the left for backward operation. When the solenoid switch, b, closes, a resistance is insertedin series with its winding, fhus cutting the current dowTi to that value which is just sufficientto hold it in a closed… … Fig. 267.—Connections for compound tj^pe printing press controller. The connectionsmade by the starting arm are shown at the left. The solenoid switch, S, can be closed by apush button when the starting arm is in the off position. When it is in any other position,pushing the button will open it.…
Electric wiring
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