would be if theobject were uncovered. Consequently, in non-adjustable objectives some standardthickness of cover-glass is chosen by each optician and the position of the systemsarranged accordingly. With such an objective the image of an uncovered objectwould be less distinct than a covered one,… … 111 Tube-length.See Diagram. Grunow, New York . E. Leitz, WetzlarNachet et Fils, Paris .Powell and Lealand, London Tube-length inMillimeters. 20} mm. Fig. 24. . . .170 mm. . . . 146 or 200 mm. . . 254 mm. j C. Reichert, Vienna 160 to 180 mm. I Spencer Lens Co., Buffalo 235 or 160 mm. l_W. Wales,…
Microscopy
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