30 ELEMENTARY PHOTO-MICROGRAPHY. 



cover glass ; uncovered objects, therefore, should 

 be used where possible. 



The side reflector is, of course, placed not on 

 same side as lamp, but at the opposite side of stage. 

 The light will consequently pass in front of the 

 object, to be reflected back again on to the speci- 

 men in an intensified form. 



FIG. 10. Plan. 

 L t Lantern. B, Bull's-eye. 



Some photographers light the specimen from 

 both sides, though as a rule this is unnecessary. 

 A small mirror, however, to reflect the light on to 

 the side of object furthest away from the light will 

 at all times be advantageous in preventing too deep 

 shadows. 



