246 



CLASS DEMONSTRATIONS 



\CH. IX 



395. Traveling Microscope. For many years the French 

 opticians have produced most excellent traveling microscopes. The 

 opticians of other countries have also brought out serviceable instru- 

 ments. In the one here figured Mr. L,eitz 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 pos- 

 sess compactness and also the qualities which render it usable for nearly 

 all the purposes required in a laboratory. This instrument is a type 

 of such apparatus which has grown up with the needs of advancing 

 knowledge. 



FIG. 198. 

 Krafft, N. Y.). 



FIG. 198. 

 Traveling microscope folded up and in its case (Leitz ; from Wm. 



