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 535
and of charging Leyden batteries,—capable, in short, ofreproducing all the effects which aie ordinarily obtained withelectrostatic machines. The apparatus represented in Fig. 347 consists of a. cylindricalcore of soft iron formed of a bundle of parallel wires ; on this coreis wound the primary coil… … FiG. 347. and B. This secondary wire is very carefully insulated so as toavoid internal discharges. Instead of coiling it in successive layersparallel to the axis, it is wound in separate sections perpendicularto the axis, and these are separated from each other by insulat-ing partitions. Inthis…
Electricity · Magnetism
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