290 



The Farmstead 



eral principles. The plank frame has now been 

 so modified and improved that it serves well 

 for the largest farm building. All of the frame 

 timbers are sawed two inches thick and of vari- 

 able widths, as required. Instead of uniting the 

 timbers by means of mortise and tenon, they 

 are fastened with wire spikes. This new 



Fig. 110. Barn frame. 



method secures as strong a frame as the old, 

 and saves from 30 to 40 per cent of material, 

 while the plank frame is more easily and 

 cheaply erected than the large timbered frame 

 is. The 2 -inch frame material can be so 

 placed as to direction and position that it will 

 secure the maximum of strength with the mini- 

 mum of lumber. 



