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), 1833-1928 · New York : T. Audel & Co. · leaf 127
ern hemispherethe S pole is similarly affected. When used, the dip needle must be set so that the plane inwhich the needle swings contains the magnetic meridian, as indicated by the horizontalneedle. MAGNETISM 107 Ques. Where is the magnetism the strongest? Ans. In two regions called the poles.… … Fig. 99, — Magnetic poles. If a bar magnet be plunged into iron filings and then lifted, asillustrated in the figure, a mass of filings will cling to the ends of the magnet but not tothe middle. The ends are called the poles of the magnet. Ques. How are the poles designated ? Ans. They are called…
Electrical engineering
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