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 148
ve. We have made use of them for our classes with greatsuccess for more than 20 years, and we have devised a very simpleapparatus, easy to manage and one which works with the greatestregularity. For several years our apparatus has been used at theHigher School of Pharmacy at Paris in the classes… … 128 PROJECTION MICROSCOPES. In this apparatus the luminous source is a cylinder of limerendered incandescent by a jet of oxygen and hydrogen gas, whichmay be introduced either separately or mixed as desired. Thecondenser is three and a half inches in diameter, and the curvaturesof the lenses are…
Microscopy
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