PURPOSE BARNS 



difference in temperature between the inside and outside, 

 make the flue draw. 



It is important that great care be taken in locating the 

 outlet flues. These should not be placed too close to the 



Fig. 5. Inlet Flues Added to Old Barn. 



Fresh air inlet flues can be added to any barn with but very little expense. 



heads of the cattle for if they are, all of the foul air will pass 

 directly by the animals and much of it will be breathed in 

 by them. Neither should the outlet flue be placed near the 

 entrance where the opening of the door would break the 

 drawing action of the flue. The outlet flues should be so 

 located as to be out of the way as much as possible and yet 

 be so distributed about the stable as most readily to draw 

 out the foul air. 



Windows may be so arranged as to provide ventilation, 

 but in this climate should nevei take the place of the King 



Eleven 



