Six lectures on light : delivered in America in 1872-1878 (1886)
Tyndall, John, 1820-1893 · New York : D. Appleton · leaf 58
S OF LIGHT, NEWTOX. 27 to work in this way: Through the closed window-shutter of a room he pierced an orifice, and alloweda thin sunbeam to pass through it. The beam stampeda round white image of the sun on the opposite wallof the room. In the path of this beam Newton placeda prism, expecting to… … moreover, no longer white, but divided into bands ofdifferent colours. Newton saw immediately that solarlight was coriiposite, not simple. His elongated imagerevealed to him the fact that some constituents of thelight were more deflected by the prism than others,and he concluded, therefore, that…
Light
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