Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 447
ectrum attributed to the absorption of light by our atmosphere (see Bookon Optics) are chiefly caused by the presence of aqueous vapour. 436. Langleys observations.—The most accurate and complete investiga-tions of the energy spectrum of the sun are those made by Langley ; heused for this purpose a… … Fig. 418 of o-ooooi° F. He obtained in this way a spectrum invisible to the eyeextending beyond the red to 20 times the length of the visible spectrum.Fig. 418 represents about two-thirds of this length, extending to a wave-lengthof 5 /i = 0-005 Tim- ^ ^^c absorption of the radiation by the…
Physics
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