ILLINOIS DAIRYMEN'S ASSOCIATION. 



291 



FIG. 3 



Frame for Door 



Cut 7. 



The door can be made by doubling 2x6 inch plank and put- 

 ting a layer of paper between them, or it can be made from sev- 

 eral thicknesses of inch boards with paper between each two 

 layers. It is very important that the opening through which the 

 silage is thrown out, should be air tight when the receptacle is 

 filled. A piece of tar paper can be put over the door when the 

 silo is filling. 



Cementing on Inside. 



As soon as the shell of the silo is completed it is ready to 

 be lined with the best Portland cement. Mix one part cement 

 with two parts of real sharp clean sand. The cement should be 

 about one-half inch thick over the lath. If the cement wall 

 should crack enough to let the air pass through it, it can be re- 

 cemented when the silo is being filled. Mr. Gurler, the inventor 

 of this silo, has never had any trouble of this kind. 



Cost of Building Gurler Silo. 



The cost of building a Gurler silo depends somewhat on 

 the location. If one is close to a saw mill and also has access 

 to a good gravel pit a silo can be built considerably cretper than 

 when circumstances are such that all the material must be 

 shipped by freight. A large silo will cost proportionally less 



