Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 299
employed ; and this,fixed in a short tube, may be fitted either into a collar interposedbetween the lower end of the body and the objective, or into a cap1 Trans. Microsc. Sue. N.S. vol. iv. 1S5G. 2yo ACCESSORY APPARATUS placed over the eye-piece (fig. 220, B), in the stead of the ordinaryeye-piece…
Microscopy
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