COST OF DIFFERENT KINDS OF SILOS. 



75 



i/TI 



Fig. 32. Pattern 

 for chords or 

 ribs. The small 

 size is used only 

 for sill and plate 

 ribs. 



is easily obtainable from any lumber yard, is 

 built by simply placing one 2x4 on top of an- 

 other interlocking the corners and nailing 

 together. The 2x4's are sawed at the proper 

 angle to fit silos from 10 to 20 feet in diam- 

 eter. The lining consists merely in placing 

 prepared roofing on the inside to make it 

 air-tight. It is said that this silo may be 

 built with but 15 to 20 tons capacity and at 

 any later time may be increased in capacity 

 by building it higher. 



Cost of Different Kinds of Silos. 



The cost of a silo will depend on local 

 conditions as to price of labor and mater- 

 ials; how much labor has to be paid for; the 

 size of the silo, etc. The comparative data for the cost of two 

 round silos, 13 and 25 feet in diameter, and 30 feet deep, is given 

 by Prof. King, as shown in the following table: 



Table VII. 



