110 
SECOND BOOK. 
this consists of more than five times as much water 
as sugar. 
2 . There are several kinds of mills for crushing 
the cane; some with their rollers upright side by- 
side, others having them lying down, in the form 
Sugar-cane Crushing Mill. 
of a triangle. Of course the object is to squeeze 
out as much of the juice as possible. But, even 
with the best methods that are known, not much 
more than half of the sugar is all that can be 
obtained. 
3. The canes are passed through the rollers twice, 
and the refuse, or megass, may afterwards be used 
