Milk and Cream 



35 



up furnish the 20 pounds of fat, the answer is 

 correct. 



Problem. 



How many pounds of 3 per cent milk must he 

 mixed with 150 pounds of 28 per cent cream to 

 make a mixture testing 4? per cent? In tiiis proljleni 

 the number of jjountts to be made up is not definitely 

 known. 



Foxboro Automatic Tempeniture Recorder-Controller in- 

 stalled on a flash pasteurizer at Schlosser Bros. Creamery, 

 Plymouth, Indiana. This one instrument does the work of 

 both controller and recorder. The chart shown is a facsimile 

 of an actual chart from this instrument. The heavy lines 

 show how close the temperature was held witliin the allow- 

 able limits. The momentary high and low temperatures 

 were caused by the cream supply being changed from one 

 fore-warmer to another. 



