Buildings and Yards. 



56; 



barn to unload hay, although it may be desirable where the custom of 

 putting' grain in barn before threshing still prevails. Expense in con- 

 struction may be saved in some instances by having the hay mows rest 

 on the ground. Long, narrow, high mows save labor and economize 

 space. It is much easier to mow away in a space thirty by eighty feet 

 than in one forty by sixty. This difference in form will save one man in 

 the mow. 



Fig. 340. — Method of framing bzrn. Xotice rafters 

 overhanging plate one-fourth their length. See Figs. 

 339 '^nd 341. 



XII and XIII. To secure ecoiiouiy of coiistnictioii, sfreiigfli and 



durabilitv 



These items involve the choice of materials. The materials used may 

 be wood, stone, brick, concrete, or iron. The relative cost of material will 

 depend on the locality, and their economical use will depend somewhat on 

 the price of labor. Choice of material will also depend on the strength 

 needed and durability desired. It is sometimes wise economy to build for 

 greater durability not only because of the greater period of service but 



