18 



DEPARTMENT OF AGRICULTURE. 



easily constructed roof. It consists of two wings on hinges that can be lifted up 

 for convenience in filling, and a sliding door between the wings. Roofing-paper is 

 probably the most convenient material for covering the roof. 



Fig 11 Diagram of silo roof. A, 2" i 6" ; B and C, 2" x 4" ; F. hinges ; J and K, . 

 2" \ 4". The roof is in three sections. G. H. and I. G and H are hinged to the frame 

 A-A, and may be tipped op when the silo is nearly full to allow filling to the top. The 

 sliding door, I, can be moved to either side and leaves an opening for the blower to deliver 

 into. 



