Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 263
to I on the internal face E F ; whence it istotally reflected to J in the face DG. At J a part of the ray isreflected to the eye by ordinary reflexion in the direction of J K,and a part transmitted to J on the face A C of the right-angledprism. Of the latter a portion is also reflected to Iv by… … Fig. 184.—Schroders Fig. 185.—Diagram explaining Schroders camera lueida. camera lueida. luminosity of the image. The angle G is arranged so that theextreme marginal ray H from the field of the B eye-piece strikesupon DGat a point just beyond the angle of total reflexion, thediffraction-bands at…
Microscopy
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