tion also keeps fresh vegetable matter from heating. The amount depends much 

 upon the product stored, as there is a great difference between the storage of a leaf 

 or root product, such as cabbage or beets, and one which is a stem, as the potato, or 

 one which is a fruit, such as the apple. Leaves require. ^nost ventilation, and in 

 some cases, such as celery, need to be kept in a slowly growing condition. 



T-METH-BOTTQM: 



Cold-Ar-r I.t. 



C. 



Fig'. S. Diagram of the ventilating system used in " Iceless Refrigeration," with 

 transverse section of fruit storage and packing hou 



By ventilation the storage is kept cool in early fall and spring by admitting 

 the cold night air and by closing the building during the day. Thus in constructing 



14 



