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Scientific American, Vol. 56, No. 22 (May 1887) (1887)
leaf 10
riment for which it produced by the discharge from the negative terminal tive. of the coil, while'tne marks shown in Fig. 7 were made would be difficult to find a subject. The longitudinal groovings of the marks made by by the discharge from the positive terminal. the Bparks from the positive… … Fig. 8. Fig. 7. Fig. 6. Hg». 3, 4, 5, 6, and 7,-AtTTOGHAFM -*f -T«B StSOXJUC DISCHARGE IN VACUU* TUBES, «MSS, My, ir*MVXSM ffOBXBD BY © 1887 SCIENTIFIC AMERICAN, INC.Patented · Patents · Munn · Center · Contained · Scientific American · Dammar · Emergent pencil · Sole manufacturers · Specific gravity · American supplement · Address munn · Letters patent · Express money · Sewing machine · Side pieces
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