45 



shown in the cross- 

 section. When 

 the milk leaves the 

 water cooler it 

 flows down the side 

 of the inner ice 

 box, which is cor- 

 rugated, and close 

 to one side of the 

 milk box M, which 

 should be large 

 enough to hold all 



Fig. 50. 





Fig. 49. 



the milk from one heater. 



The bottling arrangement by siphon explains itself. 

 It stands to reason that any and all of these ice coolers may be 

 used with water, but they will then be found less effective, and it may 



be laid down as a 

 rule that ice or a 

 refrigeratorma- 

 chine is a necessity 



if pasteurizing is 

 to be successful. 



THE REFRIGER- 

 ATOR MACHINE. 



I fear that if 

 the "boys'" in our 

 creameries have to 

 take out and break 

 the necessary ice 

 for pasteurizing 

 large quantities, 

 the process will be 

 very obnoxious to 

 them. 



With a good 

 refrigerator m a - 

 chine it is easy to 

 secure enough cold 



Fig. 51. Sectional view of Ice Cooler. w. cold water 

 chamber outside; m. milk reservoir; r. receiver from 

 the pasteurizer, milk flows down corrugated side of the 

 chamber and is collected in (m.) ; s. siphon arrangement 

 for drawing off milk. Arrows in water and milk chamber 

 jhow direction of current. 



