Wiring diagrams of electrical apparatus and installations (1913)
McGraw-Hill · New York, McGraw-Hill Book Company · leaf 69
Acne/d Acceleratorffheo5tat Fiu. 96.—Connections of a Tirrill regulator for small or medium size exciter. … Cicter- SuscJ MC Gc^^crcfCor Fig. 97.—Connections of a Tirrill regulator for two exciters, one of which is larger than theother. Regulator equipped with three relays. POTENTIAL REGULATORS 59 CurrentTrcrnsformer M<7//} Contacts
Electric wiring
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