CH. AY] 



CLASS DEMONSTRATIONS 



245 



Fig. 197. 



Fig. 197. Traveling microscope set up for work (Lei/- ■ from Wm 

 A'rafft, 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. 



