I9 6 CLASS DEMONSTRATIONS \_CH. VII 



A modification of this clinical microscope was made by Zent- 

 mayer in which the microscope was mounted on a board and a lamp 

 for illuminating the object was placed at the right position. 



Fig. 151. Traveling microscope folded up ami in its case. (From Leitz 

 Catalog. ) 



§ 267. Traveling Microscope. — For many years the French 

 opticians have produced most excellent traveling microscopes. The 

 opticians of other countries have also brought out serviceable in- 

 struments. In the one here figured Mr. Leitz has combined in an 

 admirable way a traveling microscope and a laboratory instrument. 

 For the needs of the pathologist and sanitary inspector a microscope 

 must possess compactness and also the qualities which render 



