Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 177
white actually formed a protectionto the snow, less melting under that than around it, sothat in a short time, the cloth was elevated upon a heap ofsnow. 605. For the same reason, dark clothing absorbs moreof the suns direct heat than light, and is warmer. There-fore light clothing should be worn… … Fig. 191 ♦For the laws of Keflection, see Section 382. 168 - HEAT. be proved by using a concave reflector of polished silver orbrass, Fig. 194. A tin cube with blackened side is placedbefore the reflector and filled with hot water as a source ofheat, and a delicate thermometer is placed in the…
Physics
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