Duff, A. Wilmer (Alexander Wilmer), b. 1864, ed, Guthe, Karl Eugen, 1866-1915, Hallock, William, 1857-1913, Lewis, E. Percival (Exum Percival), 1863-1925, Goodspeed, Arthur W. (Arthur Willis), b. 1860, Carman, Albert Pruden, b. 1861, McClung, Robert Kenning, 1874- · Philadelphia, P. Blakiston's Son & Co · leaf 652
impact of cathode rays.For instance, such substances as calcspar, potassium platino-cyanideand some of the rare earths show this effect. The bombardment of some substances by cathode rays causes amarked heating effect. If the rays be concentrated upon a platinumplate inside the tube the plate may… … e> Tig. 502. One of the most important properties of the cathode rays isthat they carry a negative charge of electricity. This was origi-nally proved by Perrin and his method was later modified byJ. J. Thomson. A diagram of the apparatus used in the latter 634 CONDUCTION THROUGH GASES.…
Physics
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