Barn Construction. 



123 



through. As usually constructed, the manure, un- 

 less thin, lodges on the bars. Cast-iron gratings 

 are recommended, not to exceed one-half inch in 

 thickness by one inch and a half in depth (the narrow 



T 



4- 



I 



i 



iron Gr&ti 



f Drop, 



;e" x IQ" 



