Thirty-fourth Annual Convention. 



237 



thick and above this it is 18 inches. The wall is plastered with a 

 half-inch coat of cement and the bottom is covered with three 

 inches of concrete. Iron rods were laid in the wall just above and 

 below the doors. The stone cost $3.50 per cord and was hauled 

 seven miles. Sixty-three loads of sand were bought at ten cents 

 a load and hauled four miles. The total cost for material, masons 

 and carpenter was $535, but this does not include excavating, the 

 hauling of material, tending masons and boarding men. If all 

 these expenses were included it would probably make the total 

 cost about $700. 



■ ■' ■ *« * V 



V ^^^ ^llpn^^^H|^■^■^■■H■■■■■^^■■H 





iSI^I^^^H 







Cut 29.— Brick Silo with Dead-Air Space in Wall. 



