8 MICROSCOPE AND ACCESSORIES. [CH. I. present a mirror, or both a mirror and some form of condenser or illuminator forlighting the object. The stand of the microscope consists of certain mechanicalarrangements for holding the optical parts and for the more satisfactory use ofthem. (See… … -J Fig. 19. Lens Holder with adjustments for focusing and for turning the lens inany direction. This is especially useful in dissecting the minute parts of animalstoo large for the regular dissecting microscope {Fig. so). (£a usch & Lomb Opt. Co.).
Microscopy
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