THIRTY-SEVENTH ANNUAL CONVENTION. 231 



The sill at the top of the foundation is made of two-by- 

 four lumber cut into two foot lengths. Each piece is put in 

 place while the concrete is soft and anchored by three heavy 

 spike nails with turned points, or thin bolts with nuts and wash- 

 ers on their ends. This anchoring is necessary, and ties the 

 woodwork of the silo firmly to the concrete. 



Erecting the Studding. 



The studs are made of two lengths of two-by-four lumber 

 spiked together at the middle and are erected two feet apart. 

 If the diameter and height of the silo are more than about six- 

 teen feet by thirty-two feet, it is advisable to either use two-by- 

 six lumber or set the studding only eighteen inches apart. Two 

 pieces of two-by-four lumber spiked together to make a four-by- 

 four is used as a center pole to tie the studding to while they are 

 being set up. Each separate stud is toe-nailed to the center of 

 a section of the sill. Only the lower half of the studding is put 

 up first, the second piece being spiked on after the lower half of 

 the silo is nearly complete and needs no bracing. The studding 

 is plumbed with a carpenter's level and tied in position tempo- 

 rarily with small scraps of old lumber. 



Putting On the Sheeting. 



When the lower half of the studding has been tied in posi- 

 tion, the sheeting, which is one-half inch lumber made by rip- 

 ping one-by-four or one-by-six lumber, is nailed horizontally on 

 the inside of the studding, taking care to break joints. The 

 sheeting should be nailed on from the foundation to within 

 about a yard of the top of the studding, and then the lath put 

 on. 



The Lath. 



Although somewhat expensive, the sheet steel, or expanded 

 steel lathing found on the market, is the best for the purpose. 

 But ordinarily the same material as the sheeting ripped into 

 inch .and one-half widths and beveled on the edges is used. 



