516 



MILK 



cream column and partial obliteration of the cream line. This is 

 known to be due to the breaking up of clumps of fat globules, 



M/LK OUTLET 



STEAM MLET 



Fig. 202. Another simple pasteurizer, showing cover removed. (S. 

 H. Ayers in Circular 184, Bureau of Animal Industry, U. S. Dept. of Agri- 

 culture.) 



Fig. 203. Skidd's positive pasteurizing system, showing cover removed from 

 heater and doors removed from holder. 



with the result that they do not rise as readily and as completely 

 as in raw milk. Milk dealers found this disadvantageous, since 



