M/Nl/ \l/\t/ \l/M/ M-^i.' 



\U\k 





1/ J. 1/ 1/ I 



/t\/,\ /|\/i\ /i*x7|\ /l\/l\ /]^\l 



This illustrates on incorrect location of outtake flue. The tendency of the air is to take the most direct 

 route to the outtake flue; with tlie outtake so located, there would be many places in the barn where the 

 toul air would remain stopnont, and =, certain proportion of the animols in the barn would be forced to 

 breathe foul air over and over 



