icrometer, and the pointer like the mi<meter is magnified with the real image and appears as a part of theprojected image ( Fig. 154). By rotating the ocular or the pointerany part of the real image may be pointed out as one uses a pointeron a wall or blackboard diagram. By means of the… … Fig. 152
Microscopy
Internet Archive · Public Domain Mark 1.0. Free to use for anything.