Modern electricity and magnetism, theoretically and practically considered (1885)
Avery, Elroy M[cKendree], 1844- [from old catalog] · New York and Chicago, Sheldon and company · leaf 78
6.—The luminous jar, repre-sented in Fig. 171, is a modified Leyden jar. Theouter coat consists chiefly of a layer of varnishsprinkled over with metallic powder. A strip oftin-foil at the bottom affords means of communica-tion with the earth. A similar band at the upperedge of the outer coat is… … 248 FRICTIONAL ELECTRICITY.
Electricity · Magnetism
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