346 



SORGHUM. 



Plate XXXVII. 



DIRECT STKAM KVAPORATOR. 

 Plate XXXVII is a "^ direct steam evaporator," which receives the clarified juice from 

 the steam clarifier shov.-n in Plato XXXV. The juice is boiled by means of ,a coiled 

 steam-pipe. The rcsnltinE; scum boils over into a trough round the upper edge of the 

 evaporator, aud is itself subjected to defecation afterward. 



