PLATE 16 . 



Zeiss photomicrographic stand I c . 



The barrel "T" is of greater diameter than in stand lla. The fine adjustment is at " W" and no 

 weight rests on it in lifting the instrument by the handle " H." The set screw " K " locks the upper 

 part of the instrument at any angle. The objective is set in place by means of a very convenient slide 

 carrier. The fine adjustment screw has an extremely slow movement ; and the vernier screws are on 

 the same axis (a great convenience). The stage rotates and may be locked at the desired place by 

 means of a set screw. For the subctage arrangement see figure 120- 



