CHAP. VIII. 



WINNOWING MACHINES. 



777 



has sprouted, it is very hard to take all the grown kernels out. When 

 corn grows in the field, or stack, the sprouts shoot out to a considerable 

 length, and malt : the malted sprout curls round, and as it is passed along 

 the sieve it hooks on to the wire, and will neither be shaken nor blown 

 off the top, but af ler dangling for some time falls through into what should 



"be the cleaned sample and spoils it. Sprouted wheat injures a sample 

 of flour made from it, because that which has grown will not rise when 

 fermented by yeast, owing to the chemical changes which have taken 

 place in it. Grown kernels of barley are injurious to a sample of malt- 

 ing-barley, because instead of sprouting when wetted they mould, and 

 are injurious to the rest. Every farmer knows that a sprouted sample 



