The microscope; an introduction to microscopic methods and to histology (1901)
Gage, Simon Henry, 1851-1944 · Ithaca, N.Y. Comstock publishing company · leaf 261
it. The objective is screwed into a sliding tube, and for roughly focus-ing the sliding motion suffices ; for fine adjustment, the sheath is madeto turn on a fine screw thread on a cylindrical tube, which serves alsoas a socket-carrier for the stage. The compound microscope is herereduced to the… … Fig. 196. Demonstration compoundmicroscope of Leitz. Leitz now furnishesa fine adjustment in the form of an inter-mediate piece between the objective andthe tube. This has in it a screw which isturned by a milled ring. For the object-ives employed it makes an efficient fineadjustment and renders it…
Microscopy
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