The microscope and histology for the use of laboratory students in the anatomical department of Cornell University. by Simon Henry Gage (1891)
Gage, Simon Henry, 1851-1944 · Ithaca, N.Y. : Andrus and Church · leaf 97
r will be near theupper surface of the lens. Focus if necessary to make the image clear(§ 4). Open the closed eye, and the image of the rule will appear asif on the paper at the base of the support. Hold the head very still,and, with dividers, get the distance between any two lines of the…
Microscopy
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