Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 195
Becks Vertical Illuminator. adjusted; and this is introduced by a slot (shown at e, Fig. 91, a)into the interior of an adapter that is interposed between the VEETICAL ILLUMINATOR. 141 objective (c, d) and the nose (c) of the Microscope. The light whichenters at the lateral aperture (a, a) falling…
Microscopy · Biology
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