10 



inch boards, hinged on their outer edges, open from the center up- 

 ward, an arrangement controlling the size of the opening and regu- 



<r2~ 



-2- 



4x 



X6 



X4 



3X4 



i-2X4 

 o 



JX4 



DOORS 



'4X6 



^4X4 



-2X4 

 -ZX4 



3X4 



±■2X4 

 ■^2X4 



4X4 



9 '- 



4X4 



3X4 



8'-8- 



4-- 



2X4 



DOORS 



40*- 



(4X 



V 



"0 



Fig. 1. — Ground plan of tobacco barn. 



lating the draft— should be built immediately under the center of 

 each tobacco stall. Starting at one end of the building a 2-foot alley- 



