Elementary treatise on electricity and magnetism (1903)
Foster, George Carey, 1835-1919, Joubert, Jules François, 1834-1910. Traité élémentaire d'électricité, Porter, Alfred William, 1863- joint author · London, New York, Longmans, Green, and co. · leaf 258
magnets or electriccurrents, is called the magnetic meridian, and the vertical plane isthe plane of the magnetic meridian. Over a great part of the worldthe magnetic meridian makes a comparatively small angle withthe geographical meridian: in London at the present time about16| degrees to the W. of… … Fig. 152. directive action of a magnet, or its tendency to assume a definitedirection, is not an inherent property of a magnet as such, butdepends on some mutual action between it and the earth. 172. North and South Poles—Mutual Action of Two Magnets.—if a magnet is balanced on a pivot, or…
Electricity · Magnetism
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