Tyndall, John, 1820-1893 · New York, D. Appleton · leaf 312
eterneedle remains at zero. I now introduce the tin reflector,si n, so that a line drawn to it from the ball shall makethe same angle with a Derpendicular to the reflector, as a LEOI. X. EXPERIMENTAL ILLUSTRATIONS. 287 line drawn from the pile. True to the law, the heat-raysemanating from the ball…
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