Brewster, David, Sir, 1781-1868, Bache, A. D. (Alexander Dallas), 1806-1867 · Philadelphia : Lea and Blanchard · leaf 91
near the edges ofbodies. This branch of optics is called the inflexion or thediffraction of light. This curious property of light was first described by Gri-maldi in 1665, and afterwards by Newton; but it is to the lateM. Fresnel that we are indebted for a most successful and ableinvestigation of… … and let R L L be a beam of the suns light, transmitted throughthe lens. This light will be collected into a focus at F, fromwhich it will diverge in lines FC, FD, forming a circularimage of light on the opposite wall. If a small hole, aboutthe fortieth of an inch in diameter, had been fixed in the…
Optics
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