k J4 



Bi ii.iiix 664, u. S. I)i:i'Ai;tmi:.\t OF AGRICULTURE, 



shows that in a mechanically refrigerated room aboul 72 horns 

 required to reduce the eggs in the center of the package froi 



were 



n an 



Fig. 11. — Rate of cooling of eggs in a refrigerator car. 



entering temperature of 87° V. to 32° F., or the temperature of the 

 room. Chilling in a good refrigerator car is, of necessity, a much 

 slower process, as is illustrated in figure 11, which shows that 4.5 



