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 163
Fig. 80. Fig. 81. and of rupture. A sheet of paper, a card, a thin sheet of glass areeasily perforated even by rather weak discharges. In the experiment with the card represented in Fig. 80, whenthe discharge is passed, the perforation produced exhibits a kindof welt round the edges, and if the two…
Electricity · Magnetism
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