The microscope; an introduction to microscopic methods and to histology (1917)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Pub. Co. · leaf 303
rs very markedly in the two cases, although the total lengthof the spectrum is the same in both. The red is much contracted and the blue expanded with the glassprism. One can then have what might be called a mean refractionwith the glass prism, the refraction of the individual groups of wavelengths… … 1 2 Fig. 172. Achromatism by Combining Different Kinds of Glass. (1) White light (IF) traversing two equal crown glass (CC) prisms with theirbases opposite. The dispersion into a spectrum by the first prism is overcome bythe second prism and the light is recombined into a white beam (IF1), which…
Microscopy · Microscopy -- Technique
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