262 



STATE BOARD OP AGRICULTURE. 



The materials used in building foundation and walls were 

 15 barrels of cement, 

 14 loads of gravelly sand, 

 The steel door frame, cost .|12.00. 

 11 hoops, cost 118.00. 

 11 doors, cost .fll.OO. 



. i« m mm M^imfmmtm^mm 



Fig. 2S. Silo owned by William Schipper. 



Two objections are heard against this type of silo: 



1st. The walls are so thin (31/. inches complete) that the silage must 

 freeze badly. To this the owners with whom we have talked say, ''It is 

 not true. The freezing is not more severe than in a stave silo." 



2nd. The walls are not thick enough to be sufficiently strong to 

 endnre the strain to which they are subjected. The writer has been 

 troubled Avith doubts of the same nature. He has examined two of 



