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 449
ession oflight was produced, and there was scarcely any sensation of heat. A con-siderable portion was absorbed by the humours of the eye, but yet a power-ful beam undoubtedly reached the retina ; for, as Tyndall showed by aseparate experiment, about 18 per cent, of the obscure radiation from… … Fig. 419 is the thermopile ; ri is a support for the source of heat, in this case aLocatellis lamp ; F and E are screens, C is a support, and D the galvano-meter. To express the power which bodies have of transmitting heat, Melloniused the term diathermancy : diathermancy bears the same relation…
Physics
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