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Text-book of general physics, for the use of colleges and scientific schools (1899)

Hastings, Charles Sheldon · Boston: Ginn & company · leaf 348

An illustration from Text-book of general physics, for the use of colleges and scientific schools, 1899, leaf 348
Fig. 210. 290. Hankels Electrometer. — A modification of the o-0lcl-leal electroscope, which permits the comparison of potentials QUADRANT ELECTROMETER. o o 17 00 i

Physics

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