^2 



vided at the very top of the cellar wall, always in 

 the outside walls. At least one, and, where pos- 

 sible, two one-half cisterns should be dug on the 

 outside of the foundation down to the floor line of 

 the basement. Openings should be made through 

 the walls at this point. Both the top and bottom 

 openings should be made in such a way that they 

 can be closed practically airtight or opened at will. 

 Ingress has now been provided for the cold outside 

 air and a place likewise prepared for the escape of 

 the air that has become warmed. The manage- 

 ment of the storage is now a simple matter. 



VENTILATORS 

 O 



A "DUG OUT" OR HILLSIDE STORAGE 



On cold nights both the upper and lower windows 

 should be opened wide; and even the entrance door 

 may be thrown open if a screen or slat door has 

 been provided to keep out intruders. The warm 

 air of the cellar is quickly crowded out by the cold 

 air from the outside. In the early morning all 



