100 MARKET DAIRYING 
opening at ceiling, whence it passes over the refrigerat- 
ing coils. Here it becomes cooled and freed from its 
moisture, to be again forced into the cold storage room 
Frequent removal of the ice accumulating on the 
refrigerating coils is necessary to maintain the best 
storage conditions. 
a: 
| 
L 
Natural Circulation. The best natural circulation is 
secured by having the refrigerating pipes in a room di- 
rectly above the cold storage. Air shafts are provided 
which conduct the cold air from the floor of the refriger- 
ating room to the floor of the cold storage room. Simi- 
lar shafts extend from the ceiling of the storage room 
to the top of the refrigerating coils. 
