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 379
ass (borosilicate of lead) among solids, and bisul-phide of carbon among liquids, show this effect in an especial degree.The experiment is easily made with a Ruhmkorils electro-magnet (Fig. 249); the iron cores are hollow, and rays of lightfrom a lamp, l, travel along the axis pp ; at p is the… … Fig. 249. the analyser must be turned through an angle which can be readoff from the limb D, and is a measure of the rotation. By reversingthe current, an equal rotation is obtained in the opposite direction.For a given substance the direction of the rotation is inde-pendent of the directionin…
Electricity · Magnetism
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