Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 177
ew.Now raise the umbrella, and put D in connection with thebody whose potential is to be found. Turn round themicrometer screw until the disc is in fiducial position, andagain read the micrometer screw. 158 Electricity. [Book II The difference between the two readings is a measureof the potential… … Fig. 103. the earth, and suppose that the observed distance betweenthe plates is t0. Then we have (Art. 97) U=t &7fF s (1). Next let V be the potential required to be found, and let t bethe second reading of the micrometer. Then (2V chap, v.] Absolute Measttre of Electricity, 159 showing that…
Electricity
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