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 64
ually push the draw-tube into the tube. If this were done withoutthese precautions the objective might be forced against the objectand the ocular thrown out by the compressed air. S 84. Focusing with High Objectives.—Employ the sameobject as before, elevate the tube of the microscope and, if no… … f UW Utis Fig. 46 This arrangement and no other one fulfills at the same time the otherrequest that the amplification of the microscope with different oculars shouldbe in exact inverse proportion of the equivalent focal length of the oculars. The position of the point D* may be easily calculated…
Microscopy
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