26 H. E. STEVENS ON ENSILAGE. 



cobble-stones, and from one corner lead a drain, if possible, so as to 

 carry off all the water ; the trench under the proposed walls of silo 

 being filled with cobble-stones as per diagram. 



Place standards of scantling long enough to extend twelve inches 

 higher than the top of the wall when it is finished. Place these 

 standards on each side of the proposed wall as per diagram annexed ; 



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oa. 3 x 4 inch scantling to hold ! inch plank while building wall. bb. Doors. 



and if you desire the wall to be eighteen inches thick, then place the 

 standards twenty-two inches apart, and place a pair of standards 

 every five or six feet around the entire foundation. Be particular to 

 have these standards exactly plumb and exactly in line ; fasten the 



