Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 164
noid 2. Solenoid 2, in closing, short-circuitsall the starting resistance and lifts the contact at the top, inserting a resistance in series with thesolenoid windings. The control circuit is shown at the left. S represents the float switch; 1,the winding of solenoid 1; ai, the contact piece for… … s^o/^
Electric wiring
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