APPLE GROWING 



two-Inch boards with one or two layers of build- 

 ing paper Inside and out, over a framework of 

 two-by-fours. Over the building paper tight, 

 well matched siding should be laid also Inside 

 and out. Two of the dead air spaces will make 

 Insulation doubly sure. 



To provide for proper ventilation construct 

 an Intake for cold air at the bottom, and an 

 outlet for warm air at the top of the room. 

 These should serve all parts of the room, one 

 being necessary for this purpose every twelve 

 to sixteen feet. Do not depend too much on 

 windows. Warm-air flues should be twelve 

 Inches square and six to twelve feet long. 



The attention to such a house Is most Impor- 

 tant. Keep It closed tightly early In the fall 

 with blinded windows. When nights get cool 

 open the doors and windows to let In cold air, 

 closing them again during the day. On hot 

 days close the ventilators also. In this way a 

 temperature of 36 to 40 degrees Fahr. can be 

 secured In early fall and one of 32 to 33 de- 

 grees Fahr. later. This Is probably the cheap- 

 est as well as the most practical method of farm 

 storage. 



Ice storage Is quite practical in the North, 

 but more expensive. The principle of such a 

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