Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1903)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 428
StartingRheostat … DYNAMO^ ShuTit YieldRheostat Shunt Field ^-^ Fig. 378.—Connections of a Shunt Motorto a Dynamo Circuit. 410 PRACTICAL ELECTRICITY. box, and when arm, S, rests on point 5 It is held there by theelectromagnet against the action of the spring. The advantageof this arrangement is, that if for any…
Electricity · Magnetism
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