BULLETIX 1013, U. S. DEPARTMENT OF AGRICULTURE. 
the first break rolls. In making the tests, care was taken to collect 
all the material ground. That some weight was lost through the 
Fig. 1. — Flow sheet of experimental mill. 
dusting out of fine particles into the air is quite probable, but the 
principal difference in weight between the wheat plus the temper 
water and the resultant mill products was due to evaporation during 
the process of milling. 
