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 164
he uncoated sur-face. Each discharge givesrise to very beautiful ramifi-cations. The discharges whichtravel thus over the sui-faceof the glass leave a permanenttrace, which can be made visible by breathing on the surface so asto deposit a little moisture. The propagation of the spark along the… … Fic;. 8:; 142 EFFECTS OF THE DISCHARGE [93- Leydeii jar, the outer coating of which, instead of being con-tinuous, consists of metal filings fastened on with varnish. Theinner coating is prolonged by a tongue of tinfoil to within a shortdistance from the outer coating. Every spark which passes…
Electricity · Magnetism
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