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 446
•>• a- y o. i; Fig. 416 end represent the obscure radiation. The cune is based, in the mannerabove stated, on the results obtained by Tyndall with the electric light.The upper curve in fig. 417 represents the spectrum of sunlight with arock-salt prism, while the lower curve represents the… … Fi-. 417 flint-glass prism, which is thus seen to absorb some of the ultra-redradiation. By interposing various substances, more especially water, in certainthicknesses, in the path of the electric light, the ultra-red radiation wasgreatly diminished. Now acjueous vapour, like water, absorbs the…
Physics
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