The microscope; an introduction to microscopic methods and to histology (1917)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Pub. Co. · leaf 79
e the appearance of the markings. Cover a part of thediaphragm opening by putting the finger or some other opaque objectbetween it and the mirror (fig. 46). Note that the markings come outmore strongly. Hold the finger in position and open the diaphragmwidely and see if the markings can still be… … Fig. 45. Aperture of the Substage Condenser and of the Objective.(From Nelson, Jour. Roy. Micr. Soc). A The cone of light from the condenser fills the aperture of the objective (B)D The cone of light of the condenser only partly fills the aperture of the objective (C). In A and D the condenser and…
Microscopy · Microscopy -- Technique
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