Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 48
zincplates in Fig. 35; but on account of the insulation betweenthe positive and negative terminals, which in this case is air,no current can flow. Likewise, in Fig. 37, a difference oftemperature or heat pressure exists between A and B, whichis expressed in deg. F. or deg. C. above or below a… … Fig. 38.—Temperature analogy of battery cell, Fig. 36. A to B, just as an electric current flowed from the copper tothe zinc plate in Fig. 36, when they were connected by ametal wire. It can hardly be said that one is any moremysterious than the other, and in fact we do not know anymore about the…
Electric machinery
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