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 204
r, M. Nachetis a savant who is thoroughly conversant with all the resources of opticsand mechanics. His inventions are numerous and have been muchappreciated by microscopists. His microscopes are of various forms ; hehas unique models for special use—chemistry, petrology, collegedemonstrations,… … Fig. 136. It is suspended on an axis by which means it may be inclined, andthen fixed in any position between the horizontal and the vertical;it is constructed under the best conditions for solidity and precisionwith reference to movements and centering. The focussing adjustmentis made by means of…
Microscopy
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