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BULLETIN 115^, U. S. DEPARTMENT OF AGRICULTURE. 
Fig. 6. — Hydraulic press in operation. 
other words, the sirup could be heated gradually and reach its 
highest temperature at the point of discharge. 
The steam given off by the sirup during the evaporating operation 
was conducted to the outside by a large fume pipe, 18 inches in di- 
ameter, made of hard pine. 
COOLING TANK. 
After evaporating the wort into crude sirup it is necessary to 
allow the product to cool so that certain salts may separate. _ To 
cool the sirup a large tank was built of 24-gauge galvanized iron 
