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 251
230 WATSON AND SONS. The lower end of the draw tube is provided with the Society screwfor use with the Abbe apertometer, &c. … The mirror is carried by a rod, having lateral movements; it can alsobe slid up and down within a moderate range. With regard to the sub-stage, which we have purposely reserved to the last, we have here to callattention to improvements which are not found in any other microscope. The condenser can…
Microscopy
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