"Electric discharge" Quotes from Famous Books
... phosphorescence. A vacuum tube is one from which nearly all the air has been pumped, although we can never completely empty the tube. Crookes used such ingenious methods that he reduced the gas in his tubes until it was twenty million times thinner than the atmosphere. He then sent an electric discharge through, and got very remarkable results. The negative pole of the electric current (the "cathode") gave off rays which faintly lit the molecules of the thin gas in the tube, and caused a pretty fluorescence on the glass walls of the ... — The Outline of Science, Vol. 1 (of 4) - A Plain Story Simply Told • J. Arthur Thomson
... corpuscles as regards their resistance to the electric discharge from a Leyden jar, and measures it by the number of discharges up to which the blood in ... — Histology of the Blood - Normal and Pathological • Paul Ehrlich |