Snow, Benjamin Warner, 1860- · Madison, Wis. · leaf 387
oil buttons near this sector; and w^hen these buttonspass under the points, or the comb, of the conductor E, electronsescape from the buttons and from the surface of the glass plateand flow through the points to this conductor, charging it nega-tively, and leaving the buttons and the plate charged… … Fig. 213. The Holtz machine. THE HOLTZ MACHINE. 383 buttons, making these once more normal, and leaving B positivelycharged. Since B is now charged positively, it attracts the electrons inthe conductor F, so that these flow through the points off uponthe buttons and upon the surface of the plate,…
Physics
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