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 106
e lowered, which is very inconvenient. This inconvenience does notexist in the Apochromatic Condenser. Apochromatic Immersion Condenser.—This is the most perfectcondenser which exists at present. Messrs. Powell and Lealand do not mention it in theircatalogue, and webelieve that they onlymake it by… … 86 THE CONDENSER. 0®($#»# the whole is made apochromatic. The mechanical part admits of everyconceivable kind of illumination. It consists of a tube, the lower partof which fits into the substage and the upper part holds the opticalpart (figs. 71 and 72). In this tube slides another tube having,…
Microscopy
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