THE COMPOUND MICROSCOPE 15 



mirror, at a convenient angle, even to the horizontal. 

 The object, suitably confined or mounted, is placed 



.J3 



Fia. 5. — Watson's "Pkaxis" Microscope. 

 For description of numbered parts, see text. 



on the stage (7), and the glass sHp or containing 

 vessel is held in position by the stage springs (8). 

 The object is illuminated by Mght reflected by the 



