The microscope : its construction and management : including technique, photo-micrography, and the past and future of the microscope (1893)
Heurck, Henri van, 1838-1909 · London : C. Lockwood ; New York : D. Van Nostrand Co. · leaf 254
se models. The object is roughly focussed by a precise rack and pinion. Thefine adjustment has been described on a previous page. The draw tube is divided into millimetres. The stage is furnishedwith a rotating ebonite disc, which can be centred to the optic axis by meansof two lateral screws,… … Fig. 163. 234 CARL ZEISS. N.A., with an Iris diaphragm, furnished with an eccentric move-ment. The instrument is inclinable, and can be fixed in any position bymeans of a clamping lever. The price of this stand with the mechanical stage is ^20., and ^15without it. The stand for photo-micrography is…
Microscopy
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