Concrete Silos 



39 



of sand for mortar, if such is obtainable, though the 

 local supply might be of such a quality that, while very 

 good for concrete work, the bricklayer would not con- 

 sider it of the right quality for mortar. 



One of the great advantages of concrete for any 

 work on the farm has always been that local materials 

 could be utilized to a large extent, not only cutting 

 down the hauling, but, where a good grade of sand 

 and gravel is found on the owner's own farm, making 

 the cost of it practically nothing. In this day of the 



Forty-Two Acres of Corn Spoiled by the Collapse of This 

 Clay Tile Silo 



study of economics and the demand for efficiency along 

 all lines, it would indeed be a sad reversion to ineffi- 

 cient methods for a man to bring in outside materials 

 at a loss not only of hauling time, but of actual cash, 

 when lie has suitable materials right at hand. 



It is a difficult matter to properly reinforce a brick 

 silo. The reinforcing can be placed only in the mortar 



