Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 419
orific rays. The total radiation of a luminous source, expressedin units of heat or force, can thus be measured. By introducing into thepath of the rays a body capable of stopping either the luminous or theobscure radiation, we can asceitain by the comparative action on the pilethe relative… … Luminous Obscure . O lOO . O loo • 3 97 • 4 96 . 4-6 95-4 . lO 90 402 071 Heat. [432- ments absorbed all the radiation from bodies heated under incandescence.Comparing the transmission through this liquid—which allowed the luminousbut not the obscure part of the beam to pass—with the transmission…
Physics
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