CONCKETE SILOS. 23 



unsettled points in ensilage, and one worthy of careful 

 investigation. 



In some instances, where the quantity of fodder corn 

 was not sufficient to fill the silo, hay, especially rowen, 

 has been used to complete the filling. This was put in 

 as soon as cut, and when the silo was opened was found 

 to be in most excellent condition. 



CHAPTER V. 

 CONCRETE SILOS 



One of the best methods of laying concrete is by means 

 of planks to form the mold to hold the mortar, the 

 planks being held in place by posts set at the angles of 

 the wall, and at other points if necessary, and by clamps, 

 both the planks and the clamps being held in place by 

 wedges, all of which is shown in the accompanying en- 

 gravings. Figure 1 represents the planks in position, 

 and the posts set, held together at their tops by strips 

 nailed upon them, while at the ground they should be 

 held in position by stakes and braces. Figure 2 is a 

 diagram showing a section or ground plan of the same 

 things ; a, b, in both figure 1 and figure 2, are iron 

 clamps holding the middle of the planks in position in 

 case they are likely to spread apart. Figure 3 is a rep- 

 resentation of the walls while in process of erection. 



Planks, planed on the side towards the walls, are pro- 

 Tided sufficient for the entire circuit of the building, and 

 when in position the space between them is filled with 

 the mortar. When the mortar sets, which, with a pro- 

 portion of cement it will do very soon, then the planks 



