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 196
new construction,is furnished with a carrier, the movement of which in one direction ismade by a horizontal screw, and in the other by means of a verticalfriction pinion. Its movement can be registered by two scales. The pre-paration when fixed on the stage by two spring clips is only justabove the… … Fig. 131. 176 up and down. The foot of the instrument is heavy and of horse-shoeform ; the draw tube is graduated, and is provided with the Englishscrew thread. The micrometer screw for slow movement is very precise,and the rapid movement is effected by rack and pinion. The price ofthis stand…
Microscopy
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