13° 



CLEAN MILK 



in which the bottles are soaked, and the other hot water containing 

 washing soda, while at the end there are projecting nipples over 

 which the bottles are inverted, and, by turning the lever, several 

 bottles are rinsed at once. Each tank has an overflow standpipe to 

 carry off the grease floating on the top of the water. 



An additional improvement is the turbine bottle washer shown 

 in the illustration (Fig. 33). It consists of a revolving brush which 

 is turned by a turbine wheel with steam at a pressure of twelve to 

 fifteen pounds. In this cut are shown the two large tanks on the 



Star Bottle Washing Outfit. 



left, for soaking and washing bottles in washing soda and water, 

 and then the small tank, next the bottle washer, over which the 

 bottles are inverted to be rinsed inside. This is accomplished by 

 nipples, as shown in the cut (Fig. 32), spraying water. into the in- 

 terior of a number of bottles at one time, which are then dipped in 

 the small tank below to wash the outside of the bottle, and are 

 transferred to the tank at the extreme right to drain. 



None of this special bottle-washing outfit is essential. Any 

 convenient arrangement of tubs and hot water by which the bottles 

 are put through three processes in washing — first rinsing in warm 



