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 475
Fig. 315. Fig. 316. 375] RESISTANCE BOXES 453 A thermometer in the box containing the wire indicates the tem-perature. 375. Resistance Boxes.—It is necessary to have at our dis-posal a series of resistances, the values of which increase regularly.They consist ordinarily of coils placedin a box, and…
Electricity · Magnetism
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