Martin, L. C. (Louis Claude), Gamble, William · London, Blackie · leaf 199
finer the lines the more the spectrum is lengthened out and the farther it is from the central image. Fig. 68 illustrates the pro- Fig. 69 duction of diffraction images by a grating. With three gratings of the above degrees of fineness three spectra of the first order are obtained, occupying the… … Blue Green Red Professor Wood's Transparency Transparency Transparency Example Fig. 71 Fig. 70 central image. Hence if the images are thrown on an opaque screen, and a long slit is made in the screen as indicated in the diagram, we should see part of the length of the sHt illuminated with red…
Color photography · Color printing · Color
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
