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 128
ge.—The principalobject of this ingenious little instrument, represented by figure 98(7. theprice of which is only the small sum of three dollars (12s.), is tomeasure the thickness of cover-glasses. Its second object is to intro-duce a new system of cover-glass correction by means of a draw tube;… … Fig. <)S<r. This instrument is provided with a stand of japanned iron; cuthorizontally through the top is a thread /so inch pitch and 3jl6 inch out-side diameter. A recess is cut in the top below the line of the screwand at right angles to it, for placing the covers. The one-half of thetop of…
Microscopy
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