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 175
mirror is jointed. It is also furnished withan Abbe condenser, but one of only i-2o N.A. The instrument is soldwith a nose-piece for three objectives, oculars 2, 3, and 4, ordinaryobjectives 2, 4, and 7, and an homogeneous objective. It magnifiesfrom 30 to 1,100 diameters. It costs £16 14s. 6d.…
Microscopy
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