Brewster, David, Sir, 1781-1868, Bache, A. D. (Alexander Dallas), 1806-1867 · Philadelphia : Lea and Blanchard · leaf 204
rings have the form shown in Jig. 118. the curves of equal tintnear the angles being circles, as shown in both the figures. (5.) Rectangular plates of glass with planes of no doublerefraction. (137.) If a well annealed rectangular plate of glass, E FD C,is placed with its lower edge C D on a piece… … apparatus, Jig. 94., so that C 1) may be inclined 45° to theplane of primitive polarization, and that polarized light mayreach the eye at O from every part of the glass, we shall ob-serve the following phenomena. The instant that the heatenters the surface C 1), fringes of brilliant colors will be…
Optics
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