The microscope; an introduction to microscopic methods and to histology (1901)
Gage, Simon Henry, 1851-1944 · Ithaca, N.Y. Comstock publishing company · leaf 112
and allowing it to dry, andthen mounting in 50% glycerin as above. Employ a 3 mm.(^ in.) orhigher objective, light with transmitted light, and it will be seen thatwhere the glycerin touches the collodion coating there is a dark line—next this is a light band, and finally there is a second dark line… … *Some of the rods have air bubbles in them, and then there results a capillarytube when they are drawn out. It is well to draw out a glass tube into a finethread and examine it as described. The central cavity makes the experimentmuch more complex. 98 INTERPRETATION OF APPEARANCES [CH. Ill § 147.…
Microscopy
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