The microscope; an introduction to microscopic methods and to histology (1901)
Gage, Simon Henry, 1851-1944 · Ithaca, N.Y. Comstock publishing company · leaf 227
l the adjustments of thethe embryo and for focusing ; and all the parts are within reach(Fig. 175). § 346. Arranging the Embryos.—As usually prepared the em-bryos are white and therefore require a dark background. This maybe attained either by placing the embryos in a dark dish or on somepaper… … Fig. 177. Wide angle anastigmatobjective for photographing at low mag-nification (Bausch & Lomb Optical Co.). If several embryos are to betaken at once, the embryos are ar-ranged in rows something as thewords on a line. Arrange themin even vertical as well as horizontal rows so that when the…
Microscopy
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