International Library of Technology · Scranton, International Textbook Co. · leaf 367
indicate the notches to be used only in starting and in goingfrom series to parallel. On the K2 controller there are fourof these long ribs; two of them are for the series combina-tion and two for the multiple. The two long ribs in series 38 ELECTRIC RAILWAYS. §24 d B B B d … § 24 ELECTRIC RAILWAYS. 39 indicate the fourth and fifth notches; those in multiple indi-cate the eighth and ninth notches. The K2 controller has,then, four running notches: the fourth, fifth, eighth, andninth, and none of the other notches should be run on forany length of time, for it is a waste…
Electrical engineering
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