Preserving Green Forage 125 



up equi-distant to match the inside ones, and 

 the cross pieces of i x 6 fence boards, 6 feet 

 long, nailed to the inside and outside timber, 

 and also to the 4x4 outside staging support, 

 as shown in the engraving. As the wall was 

 built up, these cross pieces were sawed away, 

 leaving the inside and outside staging sepa- 

 rate, but firm, only tied together at the top. 



The engraving also shows 6 i%-inch iron 

 rods built into the wall from the bottom to 

 4 feet above the top. When the walls were 

 finished, these rods passed through 8x8 cross 

 timbers, and were terminated with double 

 nuts. 



The silo was filled with corn-stalks and 

 ears cut in *4-inch lengths. A cover of 2- 

 inch splined planks was then fitted over the 

 top, and the joint between the planks and the 

 wall was covered with rubber packing. The 

 planks were then covered with tarred building 

 paper and several inches of fine sand, making 

 the whole as perfectly air-tight as possible. 

 Then 8 2-inch jack-screws were placed be- 

 tween the cover and the 8x8 timbers across 

 the top, and the requisite pressure given to 

 the ensilage, forcing out all of the air, giving 

 a density of 50 pounds to the cubic foot. Mr. 

 Colcord has an ingenious arrangement of 



