The microscope; an introduction to microscopic methods and to histology (1899)
Gage, Simon Henry, 1851-1944 · Ithaca, N. Y., Comstock publishing company · leaf 46
Fig. 33. fig. 34. Figs. 33-34 Ocular Micrometer with movable scale. Fig. 33 is a tide \the ocular while Fig. 34. gives a sectional end view, and shows the ocular mitei in position. In both the screw which moves the micrometer i tat the left. {From Bausch & Lomb Opt. Co.) 26 MICROSCOPE AND…
Microscopy -- Technique
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