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 461
ned from the maximum displacement ofthe lines is about forty-two kilometers per second. The periods of the sunsrotation and of the rotation of Saturns rings has been determined fromthe relative displacements of the Fraunhofer lines observed in the spectraof the approaching and receding limbs.… … Explanation of Plate.Fig. I. Solar spectrum. Fig. 2. Arc spectrum of iron. Many lines of solar spectrum coincide with these.Fig. 3. Spark spectrum of iron. Note differences from above.Fig. 4. Cyanogen band, carbon arc spectrum.Fig. s. Band spectrum of nitrogen.Fig. 6. Line spectrum of nitrogen.…
Physics
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