A manual of the mechanics of engineering and of the construction of machines. Designed as a text-book for technical schools and colleges, and for the use of engineers, architects, etc. (1878)
Weisbach, Julius Ludwig, 1806-1871, Du Bois, A. Jay (Augustus Jay), 1849-1915, Buel, Richard H. (Richard Hooker), b. 1842 · New York. J. Wiley & Sons, 1878- · leaf 49
thus reflect-ed from the same in such directionPL, Q L, that the angle of reflec-tion CPL equals the angle of inci-dence C P K,2ls also the angle of re-flection CQL equals the angle ofincidence CQK, and therefore allrays of heat which strike near thecentre M of the mirror are broughtto a focus at… … § 366.—The capacity of bodies to radiate heat dependsupon the temperature of the body and upon the extent andcondition of its surface. Generally, the surfaces of verydense bodies radiate less heat than the surfaces of bodiesnot so dense; but especially rough surfaces have a greaterpower of…
Mechanics, Applied · Mechanical engineering
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