Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 75
+. If the jar is of good glasSjand diy, and free from dust, it willretain its charge for many hours orda^^s. But if a path be provided bywhich the two mutually attractingelectricities can fiow to one another,they will do so, and the jar will beinstantaneously discharged. If theouter coating be… … Fig. 32. 58 ELEMENTARY LESSONS ON [chap., I. ** shock will be commumcated to the muscles of thewrists, elbows, and shoulders. A safer means of dis.charging the jar is afforded by the dischar^ng tongaor discharger (Fig, 32), which consists of a jointedbrass rod provided with brass knobs and a glass…
Electricity · Magnetism
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