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 243
nt is given with a rack and pinion having obliqueteeth, and the slow movement is produced by a lever, which communicatesto the tube a very even and precise movement. The tube is binocular,and carries a Wenham prism, which can be removed when desired, so asto render it monocular. WATSON AND SONS.… … WATSON AND SONS. 223 The price of this instrument, furnished with a binocular tube, isonly ^25. The Scientists Microscope (fig. 160) is an instrument supported ona massive foot, with two upright sides, between which it is mounted.
Microscopy
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