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 517
Fig. 317. … Fig. 318. of copper, A and b (Fig. 317), with an interval between them whichmay be closed by a plug. When the plugs are in their places theyconnect the contact pieces into a virtually continuous rod of negli-gible resistance, but when any given plug is removed the corre-sponding coil is brought…
Electricity · Magnetism
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
