Six lectures on light : delivered in America in 1872-1878 (1886)
Tyndall, John, 1820-1893 · New York : D. Appleton · leaf 122
uch figures has been calculatedfrom theory by Fresnel, Fraunhofer, Herschel, Schwerd,and others, and completely verified by experiment. SCKWERDS OBSERVATIONS. 91 Yoiir eyes could not tell you with j^reiiter certainty ofthe existence of these bands than the theoretic calcu-lation. The street-lamps… … V €J^tepinafeiDB3 ^JDrwA^MLm
Light
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