between the lampand the microscope will answer. These are removed before takingthe negative. It is well also to have a water bath on the opticalbench to absorb the heat rays. This should be in position constant-ly (see Fig. 133, 160). § 315. Use of Oculars in Photo-Micrography.—There ismuch… … Fig. 183. ZeissApochromatic Projection Ob)of 70 iiidi. equivalent focus, for photo-micrography.(Zeiss Catalog.) to C B
Microscopy
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