CREA M HE PA RA TION 



69 



proportion of cream to skimmed-milk should be ap- 

 proximately one to eight, or one to ten. For example, 



Fig. 30. — Old and new tyiies of DuLuval hand separator. 



in 100 pounds of whole milk testhig 4 jjer cent fat, 

 there are four pounds of fat (10(1 pounds X 4 per 



Fiu. 31. — Belt and turljiue driven type of DeLaval power separators. 



cent = 4 pounds fat). In ten pounds of cream that 

 have been separated from the given 100 pounds of 



