International Library of Technology · Scranton, International Textbook Co. · leaf 486
14 is a larger 22 ELECTRIC LIGHTING. 19 view, showing the regulator with its rheostat detached fromthe machine. It requires no wall controller and is oper-ated by an encased magnet m connected in series with thelamps. The magnet m does not move the rheostat arm <?,but simply controls a valve… … fig. 15. driven by a belt from the dynamo shaft running on pulley d.The lower case is filled with oil to a point a little below therheostat-arm shaft. Fig. 15 shows the working parts of the regulator with theouter casing removed. The pump consists of two gears1, 2, Fig. 15, meshing with each other.…
Electrical engineering
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