THE WOOD AND ITS MECHANICAL PROPERTIES. 



53 



the north. The tests summarized in Table 17 indicate that southern 

 hickory is as tough and strong as northern hickory of the same age. 



5 TRENGTH AT MAX/ MUM LOAD 



FE 



. 16. 



BO 



engt 



jo to 

 VE GROUND 



BEMD/NG WORK TO MAX/ MUM LOAD 



SPEC/F/C GRAV/TY 

 \ I 



But the southern hickories have a greater tendency to be shaky, and 

 this results in much waste. In trees from southern river bottoms 



