Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 143
n of the rubber were perfect, we should, ondrawing sparks from the prime conductor, at last reach astage at which the potential of the negative conductor wouldbe below the potential of the earth by the whole availablepotential difference, and then the prime conductor would be atzero potential, and… … tial difference available for givingsparks is that between the earth andthe prime conductor. But if thenegative conductor be at a negativepotential, this available difference isnot the full potential difference ofthe machine, or the machine is prac-b tically not working to its full power.On…
Electricity
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