SILOS AND SILAGE. 



197 



the Wisconsin experiment station, by Prof. F. 

 H. King, explain in a measure the process of 

 constructing the round silo. Fig. 57 shows a 

 method of laying and leveling the foundation. 

 4 is a center post with top level with top of 

 proposed wall; B B are straight-edge boards 



riG. 58. 



nailed to stakes driven in the ground; C is a 

 straight-edge fixed to turn on a pin at A; B B 

 are all nailed level with top of post A. 



Fig. 58 shows the construction. The sills are 

 2x4s, cut in sections on- a radius of the silo 

 circle; these should be sawed out with much 

 care. After being bedded in mortar they may 



