30 



A Ilandboolc for Dairymen 



Installation of Foxboro Recording Thermometersjon coolers 

 at the Turner Centre System, Somcrville. Mass. Arrows show 

 nliere thermometer bull)S are connected to the coolers. 



tein])cr;itiire of about W F. At tlii.s temperature 

 the growth (jf aiiv orgaiiisins which may have ,sur- 

 viAeil pasteurization is very slow. The ease of clean- 

 ing the cooling device should not be overlooked. 

 The milk may be cooled by running it counter-cur- 

 rent to cold water, or by other equally effective 

 methods. A recording thermometer should be used 

 as a check on the efficiency of the cooler. 



The milk is often held in large glass-lined holding 

 tanks until it can be packaged. The tanks are 

 ec]uipped with brine ]>ipcs for cooling and an agitator 

 to keep the cream e\-enly disti-ibuted throughout the 

 milk. The operator will find a recordino- ther- 

 mometer a great aid in maintaining a uniform cool 

 temperature in the tanks. If the milk or cream 

 warms up, it is very likely to sour. 



As it is customary to prepare the milk and cream 



