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 657
No evidence has as yetbeen found of any diffraction of the rays when they pass fromone medium to another, nor has it so far been possible to deflectthe rays by a magnetic field. 728. Focus Tube. With a view to giving a dear idea of the method ofproducing Rontgen rays we will briefly describe the… … Fig. 504. AB is a large glass bulb. The cathode a consists of a concave piece ofmetal, usually aluminum. The cathode rays proceed normally from thesurface of a and on account of its concavity are brought to a focus at thepoint c. The anode b consists in its simplest form of a flat platinum…
Physics
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