Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 295
more refractive oil. Fig. 217.—Wenhams A i \ 1 xi disc illuminator. As xt should 0e so fitted to the microscope as toilluminate the object from any azimuth, it shouldhave its flat sides grasped in a clip, which may either be mountedon the sub-stage or attached to the under side of the stage, in… … Fig. 216.—Wenhams reflex illuminator.
Microscopy
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