HOW TO MOUNT SPECIMENS AT 
upon which the slide to be ringed is held by means of two clips. 
In ringing slides, it is only necessary to revolve the table, and 
Fic. 51.—Turntable 
at the same time to transfer the cement to the edge of the 
cover glass from the brush held in the hand. 
LABELING 
There are many ways of labeling slides, but the best method 
is to place on the label the name of the specimen, the powder 
