187 



Besides these there are other requirements such 

 as slides, covers, mounting media, forceps, etc., the 

 necessity of which, however, can be better deter- 

 mined from books devoted to this purpose. There 

 are other articles which in some directions are 

 necessities, but are general conveniences, among 

 which may be mentioned : 



Adjustable drawing table. 



Polariscope. 



Photomicrographic camera. 



Live box or compressors. 



Eye shade. 



Turn table. 



Revolving microscopical table. 



Cabinet for objects. 



