368 



'Rural Architecture. 



be the capacity in proportion to roof, ceiling or floor. The 

 material for flooring and roofing a low building is usually 

 no less than is required for a high building and yet the 

 cubic contents are in the ratio of their depth. 



In the case of hay barns and silos the capacities increase 

 much faster than the hight because with greater depth of 

 material it is compressed and on this account greater stor- 

 age capacity is secured. 



Total Ouhidi Surfaces. 

 15789 So ft ' 



D 



B. Z0210 



C. 



of floor- spaa 

 .covered 6y the 

 Round Barn 



Told floor-Space 

 A 57365gfL 

 B 66/6 - 

 C 11732 - ' 

 1} 1 3300 ; 



96 X 

 10 



40X40 



zo 



30/30 

 ZO 



PlO 163. Diagram showing the comparative outside surface and amount uf floor 

 space in four sets of barns represented in Figs. 161, 165, 166 and 167. 



