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Scientific American, Vol. 75, No. 3 (1896) (1896)
leaf 7
howing, therefore, a sinall rate relative to the action of a powerful magnetic field and gibbed at the sides. ‘The large head, shown at the of increase. If we add the whole of the quinquennial upon the cathodic rays in Crookes or Hittorf tubes, nas Jeft, carries a bar having a finely graduated… … measuring point is ard. placed by means of © 1896 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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