International Library of Technology · Scranton, International Textbook Co. · leaf 490
ts at fullload. The controlling magnet m of the regulator here/. III.-31 26 ELECTRIC LIGHTING. 19 shown is connected in series with the line and operates thelever n. The brushes are moved by means of a small doublefriction clutch that is contained in the casing shown at a.When the lever is pulled… … Fig. 1. brushes back, thus increasing the current. These machinesoperate on a single circuit and are made as large as150 lights capacity. The largest size of machine is of a some-what different design from that shown in Fig. 17, but theprinciple of operation is the same. The connections usedwith…
Electrical engineering
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