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 143
differenceof electric potential (see p. 40) betweenthem. But when a number are thus setin series with moist conductors betweenthe successive pairs, the difference ofpotential between the first zinc and thelast copper disc is increased in propor-tion to the number of pairs ; for nowall the… … Fig. 69.
Electricity · Magnetism
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