EQUIPMENT FOR COOLING 49 



but can get first-class results without it. Where 

 small dairymen have no ice and must depend only 

 on spring water, the open cooler may be of assist- 

 ance. 



Stirring Rods 



Where cooling water is not very cold, milk has 

 to be stirred. This picture shows one stirring 

 rod made out of a broom stick 

 with a piece of board nailed 

 across the end. This is very 

 unsanitary, and such a rod 

 should never be used, as it 

 cannot be kept clean. The 

 other rod in the picture is 

 made of metal, covered with 

 smooth tin. On the end of 

 the rod is a small disc of 

 metal. This can be washed 

 and sterilized, and kept clean, and is a sanitary 

 stirring rod. It must be kept in a clean place, 

 and always scalded before using. 



COST OF COOLING EQUIPMENT 



Ice Supply. The cost varies according to the 

 size of ice-house and convenience to ice-field. 

 Water Supply. The water supply is necessary 



