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 121
ndard English objective screw, and isscrewed to the end of the microscope tube after the object in questionhas been brought into the centre of the field. The outer tube, moveable about the first, carries at its lowerextremity a diamond point placed in a slightly eccentric position. The microscope… … The size of the circle depends on the eccentricity given by the smallshank which holds the diamond. 6. Rotating Nose-piece. — Underthe name of revolver M. Nachet hasinvented a piece of apparatus which inEngland is called Brookes double nose-piece, and which allows the objective tobe changed in a…
Microscopy
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