The microscope; an introduction to microscopic methods and to histology (1917)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Pub. Co. · leaf 123
come into focus last infocusing up, first in focusing down. § 191. Objects having plane or irregular outlines. — As objectuse three printed letters in stairs mounted in Canada balsam (fig. 66).The first letter is placed directly upon the slide, and covered with asmall piece of glass about as thick… … Fig. 65. The Microscopic Field completely and only partly Illuminated. A The field completely illuminated; a net micrometer is used as object.B The field is only partly illuminated; the same net micrometer is used asobject, but not all of it appears in the partially lighted field. cover-glass. The…
Microscopy · Microscopy -- Technique
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