Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 195
manner. 614 HAWKINS ELECTRICITY Insufficient Residual Magnetism.—This fault is not offrequent occurrence; it takes place chiefly when the dynamo isnew, and may be remedied by passing the ciirrent from a fewstorage cells, or from another dynamo, for some time in theproper direction through the field… … Pig. 693.—Method of overcoming insufBcient residual magnetism. The flexible lead L cfthe dynamo p is disconnected from the positive terminal of the machine, and is connectedto the negative or zinc pole of the battery B. the other or positive carbon pole being con.nected to the terminal, from which…
Electrical engineering
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