Figs. 64, 65, 66. Specimens Showing the Use of the Marker. In Fig. 64. a section of a series is marked to indicate that this section shows some-thing especially well. In Fig. 65 some blood corpuscles showing ingested carbonvery satisfactorily are surrounded by a minute ring, and in Fig. 66 the… … Fig. 67. Aranss Method of Mark-ing Objectives, on a Revolving Nose-P. ece. As seen in the figure, the equiva-lent focus of the objective is engravedon the diaphragm above the back lensand may be very readily seen in ro-ta I iug then ose-p iece. Th is is of greatadvantage and facilitates the…
Microscopy
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