The microscope; an introduction to microscopic methods and to histology (1917)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Pub. Co. · leaf 306
his objectives(Proc. Acad. Nat. Sci., Phila., Vol. LVI (1904), p. 475; Trans. Amer. Micr. Soc,1901, p. 23) § 466. Compensation oculars. — As the front lens of objectives ofhigh power (fig. 21, B C) is not a combination but a single lens, Ch. IX] CORRECTION OF COMPENSATION OCULARS 293 aberrations… … Fig. 175. Huygenian Ocular Showing the Ordinary and the Compensating Action. (From Spitta, p. 106). Ordinary action. (H). If the rays are traced on the left it will be seen that the field-lens (C) brings therays to a focus at the diaphragm (D), and that they cross and pass on to the…
Microscopy · Microscopy -- Technique
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