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 221
Fig. 128. … Fig. 129. Fig. 130. piles are connected together, the couples being insulated by micaor asbestos, which is not altered by heat; they thus form a rect-angular parallelopipedon (Fig. 130), the faces C and d being thosewhich correspond to the junctions. These faces are covered withlamp-black, and…
Electricity · Magnetism
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