198 



INDIAN CORN CULTURE. 



be nailed together. The plates are the same 

 spiked to top of studs, which are 2x4s, one foot 

 apart. Short lengths of studs may be used, 

 lapped to get the depth; 16s and 14s will give 

 a silo 30 feet deep. Linings are made from 

 fencing ripped in two to give one-half inch in 

 thickness; outside sheeting the same. Use for 

 silos under 28 feet, outside diameter, common 



siding, rabbeted; for diameter over 28 feet out- 

 side, common drop siding or shiplap may be 

 used. 



In Fig. 59 is seen a method of roofing a round 

 silo and manner of connecting it with a barn. 

 A shows where air is admitted between stud- 

 ding to ventilate between the lining; B is the 

 feeding chute; C is filling window, and the 

 cupola serves as a- ventilator. 



