The microscope; an introduction to microscopic methods and to histology (1917)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Pub. Co. · leaf 86
n (V C). C Tips of carbons for alternating current. D Tips of carbons for direct current, the positive pole always being onthe horizontal carbon (+), and the negative pole on the lower or vertical car-bon (-). E Shield at the end of the condenser tube; the face of the condenser isshown at (C).… … objective and a 5.x ocular for centering the condenser. For actualstudy the iox ocular should be used also. Focus down until the top of the condenser appears and one or twocircles will be seen on the top of the condenser. If these circles arenot in the center of the field, use the centering screws…
Microscopy · Microscopy -- Technique
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