A text-book on chemistry. For the use of schools and colleges (1866)
Draper, Henry, 1837-1882 · New York, Harper & brothers · leaf 92
he ballbe brought within a very short distance of it. If the What effect on the radiating power is observed on roughening apolished surface ? What relation is there between absorbing and ra-diating power ? What is the action of a parabolic mirror on paral-lel rays ? What is its action on rays… … ^ This striking experiment proves, first, that the rays*of heat move in straight lines, like those of light; and,second, that in the same manner they are subject to theordinary laws of reflection, for the apparatus is adjustedby the flame of a candle. A variation of the experiment may be made by…
Chemistry · Physics
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