Elementary natural philosophy : designed for high schools and academies (1881)
Griffin, La Roy F. (La Roy Freese), 1844-1916 · Philadelphia : Sower, Potts & Co. · leaf 179
ndicate that it is chemicalaction of some kind. It is certainly surrounded by enor-mous flames of incandescent gas, and these indicate chem-ical changes. Its present temperature is above the pointof vaporization of iron, so that it is constantly radiatingheat into space in all directions. The Stars… … Fig. 195. 614. The apparatus of Fig. 195 is used to prove the pro- 170 HEAT. duction of heat by friction. A brass tube is screwed to asmall pulley on the whirling table, and is made to revolverapidly by means of a large wheel. It is then partly filledwith water and corked. Friction is produced by…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
