A text-book of physics, largely experimental. On the Harvard college "Descriptive list of elementary physical experiments." (1891)
Hall, Edwin Herbert, 1855-1938, Bergen, Joseph Y. (Joseph Young), 1851-1917 · New York, H. Holt and Company · leaf 473
rge other conductors. The resinousplate meanwhile has suffered little loss, and the operationmay be repeated many times without recharging it. 360. Self-repulsion of Electrical Charge: DischargingAction of Points.—The self-repulsion of an electrical chargespreads it over the outer surface of the… … FIG. 242. Take a metal ball, b, about 1.5 cm. in diameter, mounted on aninsulating handle about 15 cm. long, touch it to the outer surface ofthe hollow charged sphere, and then to the plate of the gold-leafelectroscope, repeating the operation a number of times if the effectupon the electroscope is…
Physics
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