MILK-PLANT EQUIPMENT. 
BOTTLE WASHERS. 
29' 
There are several types of bottle washers. At some small plants 
the bottles are simply swabbed out with a hand brush and then 
rinsed. The next advance over this process is the washing of bottles 
Fig. 19. — Turbine-brush bottle washer. Bottles are rinsed by sprays of boiling water 
forced into them by pump. 
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Fig. 20. — An automatic bottle washer. As high as 2,000 bottles per man per hour were 
washed with this type of machine. 
