SPECIES OF WOODS. 



151 



gr., 0.74;0; strong (23cl in this list J ; 

 elastic (32cl in this list); hard (13th 

 in this list) ; shrinkage, from 4 to 10 

 per cent. ; warps and checks consider- 

 ably, unless carefully seasoned ; very dur- 

 able, hard to work; splits somewhat 

 hard, very difficult to nail. 



Common Uses: Interior finish, furni- 

 ture, construction, ship building, farm 

 implements, cabinet making. 



Remarks: The most important of 

 American oaks. 



Radial Section, 

 life size. 



=--^. 



'^^^r^^ 



Cross-section, 

 magnified 37 J-2 diameters. 



Tangential Section, 

 life size. 



