Elementary treatise on electricity and magnetism : founded on Joubert's "Traité élémentaire d'électricité" (1909)
Foster, G. Carey (George Carey), Porter, Alfred William, 1863-1939, Joubert, Jules François · London : Longmans · leaf 237
ted in Fig. 128, when heatedat the junction B by a spirit lamp, strongly deflects a magneticneedle placed inside the circuit. Any number of such couples may be associated together insuch a way as to form a pile or battery. Mellonis pile, whichhas been of great service in the investigation of… … Fig. 128.
Electricity · Magnetism
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