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 365
OPE IN THE PAST AND IN THE FUTURE. The oldest microscope, of which we possess a figure, is that of Hooke (fig. 213), whichis represented in the Micro-grapkia of that author, publishedin 1665. The tube was about 18 cent.(7 inches) in length, and wasformed of four tubes fittinginto one another, and… … Fig. 213. and focussed by means of a screw-thread, in which it ended. Onlyobjects illuminated from above could be observed by it, and for thispurpose a glass globe concentrated the rays of a lamp on the object.Campani, who lived at the same period, had on his part inventeda microscope without a…
Microscopy
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