240 



THE DAIRYMAX S MANUAL. 



escapes, as shown by the arrows. This arrangement 

 has been found .very useful both for purif^^ng and dry- 

 ing the air of a cellar ; for the cold air coming in at the 

 bottom is drier than the warm air passing out, and the 

 moisture of the cellar is continually absorbed and carried 

 off so long as any warm air floAvs out of the upper spout. 

 The spouts are provided with slides by which they may 

 be closed when necessary. The cellar should be well 



Fig. 34.— MILK-CELLAR UNDER A HOUSE. 



ceiled with lath and plaster, otherwise dust will be drop- 

 ping from the rooms above ; (md in any case this is ad- 

 visable, for if no other means of ventilation are provided, 

 air will pass up and down through the floor over the 

 cellar, and it may be bad for the milk, as well as for the 

 occupants of the rooms above. The ceiling not only 

 preserves cleanliness, but regularity of temperature. 



Where an outside cellar is desirable, an excellent ar- 

 rangement is like that shovvn in figure 35. A cellar is 

 dug twelve feet deep ; the walls are built Qt stone, con- 



