UTILIZATION OF GRAPE POMACE AND STEMS. 9 
passing the disintegrated pomace into a shaking and fanning mull, 
such as is ordinarily used in cleaning grain and seed, or into a rotary 
separator similar to a sand cleaner, but provided with a quarter-inch 
mesh, that the seeds may fall through. The seeds are conducted 
Fig. 8.—An apple grater. 
out just as is the gravel in cleaning sand. In either machine, how- 
ever, about 7 to 10 per cent of the total quantity of seed originally 
in the pomace is lost. Since the seed contains more than 13 per 
cent of moisture, it must be dried before storing or shipping; other- 
wise it would mold and spoil. In this connection it is of interest 
30842 °—21—_—-2 
