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 153
Fig. 80. 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 points…
Electricity · Magnetism
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