A textbook on mechanical and electrical engineering (1898)
International Correspondence Schools · Scranton : International Textbook Co., [1898-99] · leaf 339
engths of the two opposing magnetic fields. The action of the lines of force when opposing each other in direction is shown in Fig. 923 and Fig. 924, by the aid of iron filings. The resulting poles thus formed are called consequent poles. fig. oa*. 2370. In every magnetic field there are certain…
Electrical engineering · Mechanical engineering
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