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 67
ro-electricalmachine (Fig. 28), capable of producing enormousquantities of electricity, and yielding sparks five or sixfeet long. The collector consisted of a row of spikes,placed in the path of the steam jets issuing from thenozzles, and was supported, together with a brass ball CHAP. I.]… … Fig. 28. 45. Convection-Induction Machines.—There is anotherclass of electrical machine, differing entirely from those we havebeen describing, and depending upon the employment of a smallinitial charge which, acting inductively^ produces other charges,which are then conveyed by the moving parts of…
Electricity · Magnetism
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