International Library of Technology · Scranton, International Textbook Co. · leaf 485
at when cur-rent was allowed to pass through one clutch, the rheostatarm was moved in one direction, and when the other clutchwas thrown into action, the arm was moved in the oppositedirection. The current through the clutches was regulatedby a wall controller. This controller consisted of two… … Fig. 14. now manufactured, so that it will not be necessary to describeit in detail. The one now made is shown in Fig. 14. Thisregulator is shown at C, Fig. 13, but Fig. 14 is a larger 22 ELECTRIC LIGHTING. 19 view, showing the regulator with its rheostat detached fromthe machine. It requires no…
Electrical engineering
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