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 609
Fig. 364. … Fig. 865. Fig. 366. flame produce a silent discharge, and protect the other bodies; incase &, they are all struck indisciiminately, and by sparks of thesame kind ; it seems immaterial also whether the object is placeddirectly on the lower plate or is insulated. Do these two cases occur in…
Electricity · Magnetism
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