CH. IX} 



CLASS DEMONSTRA T10NS 



245 



Fig. 197. 



Fig. 197. Traveling microscope set tip for work (Leitz ; from Wm. 

 Xrafft, N. Y). 



A modification of this clinical microscope was made by Zentmayer 

 in which the microscope was mounted on a board and a lamp for illum- 

 inating the object was placed at the right position. 



