38 



MARKET DAIRYING 



All the milk was cooled to 45° F., and the amount of 

 milk cooled in each experiment was forty-four gallons, 

 one-half of which was cooled with a pump and the other 

 half without. 



The above figures show that less than half the amount 

 of ice and less than half as much time were required 

 in cooling with the pump than when no pump was used. 



Where no ice is intended to be used, coolers may be 

 purchased without the ice water section. 



SPRING WATER 



-«^ 



DISCHARGE 



SPRIN6 WATER 

 SUPPLY 



ICE WATER 

 SUPPLY 



Fig. 8.— Tubular Cooler. 



The cooler is fastened by means of two-inch gal- 

 vanized iron gas pipes, the lower ends of which are em- 

 bedded in the concrete floor while the upper ends are at- 



