The microscope; an introduction to microscopic methods and to histology (1899)
Gage, Simon Henry, 1851-1944 · Ithaca, N. Y., Comstock publishing company · leaf 144
0 ^ … Fig. 113. Abbes Micto- spectroscope. Fig. 114. Longitudinal Section of Slit Mechanism separately. the whole instrument. [Plan view, Full si {yi Full Size.) The eye lens is adjustable so as to accurately focus on the slit situated betweenthe lenses. The mechanism for contracting and expanding the…
Microscopy -- Technique
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