The microscope; an introduction to the microscopic methods and to histology (1911)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Publishing Company · leaf 175
Fig. 134 Abbes Micro-spectroscope. Fig. 135. Longitudinal Section of Slit Mechanism separately, the whole instrument. {Plan- view, Pull size.) ( ., Pull size.) The eye lens is adjustable so as to accurately focus on the slit situated be-tween the lenses. The mechanism for contracting and expanding…
Microscopy
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