SPECIES OF WOODS. 



121 



Physical Qualities: Very heavy (1st 

 in this list) ; 51 lbs. per cu. ft.; sp. gr., 

 0.8372; very strong (5th in this list); 

 very elastic (Tth in this list) ; very hard 

 (5th in this list) ; shrinkage, 10 per 

 cent. ; warps badly ; not very durable 

 under exposure ; hard to work, very 

 tough; hard to split, very difficult to 

 nail. 



Common Uses: Agricultural imple- 

 ments, handles, wheel spokes. 



Remarks: American hickory is fa- 

 mous both for buggies and ax handles, 

 because it is flexible and very tough in 

 resistance to blows. 



..( .... _l.i: 



Radial Section, 

 life size. 



Cross-section, 

 magnified syVz diameters. 



Tangential Section, 

 life size. 



