The microscope; an introduction to the microscopic methods and to histology (1911)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Publishing Company · leaf 33
O).Mirror. The mirror of the microscope.O. Object. It is represented without acover-glass. Ordinarily objects are coveredwhether examined with immersion or with dryobjectives. Stage. Section of the stage of the micro-scope. I 22. Non-Achromatic or Chromatic Objectives.—These are objectivesin which… … CH: I] MICROSCOPE AND ACCESSORIES 15 $ 23. Achromatic Objectives.—In these the chromatic and the sphericalaberration are both largely eliminated by combining concave and convexlenses of different kinds of glass so disposed that their opposite aberrationsshall correct each other. All the better…
Microscopy
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