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 373
he concavity,which is very slight, turned towardsthe object. We well remember the experiments we made with this instrument, and on one occasion with Harting, at Utrecht. The images were clear, and when the lenses were placed one above the other, the images were not inferior to those produced by… … THE MICROSCOPE IN THE PAST AND IN THE FUTURE. 353 We must now proceed as far as 1824 before meeting with anothersubstantial improvement. At this period Selhgue had a microscopeconstructed by Messrs. Vincent and Charles Chevalier, which was calledachromatic. In the instrument (fig. 225) which was…
Microscopy
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