The microscope; an introduction to microscopic methods and to histology (1899)
Gage, Simon Henry, 1851-1944 · Ithaca, N. Y., Comstock publishing company · leaf 46
otation found necessary tofocus the diaphragm on the screen. Ao. 2, No./. The numbers indicate the amount the ocularmagnifies the image formed by the objective aswith the compensation oculars. | Zeiss Catalog,No. jo]. % 3S. Micrometer Ocular.—This is an ocularconnected with an ocular micrometer.…
Microscopy -- Technique
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