SPECIES OF WOODS. 



177 



43 Ibs. per cm. ft.; sp. gr., 0.6912; very 

 strong (8th in this list) ; very elastic 

 (5th in this list) ; very hard (7th in 

 this list) ; shrinkage, 5 per cent. ; warps 

 badly; not durable when exposed; hard 

 to work; splits badly in nailing. 



Common Uses: School and other fur- 

 niture, car construction,, carving, wooden 

 type, tool handles, shoe lasts, piano ac- 

 tions, ships' keels. 



Remarks: Tree very tolerant. The 

 uses of this wood are chiefly due to its 

 hardness. Bird's-Eye Maple and Curly 

 Maple are accidental varieties. Pure 

 maple sugar is made chiefly from this 

 species. Its ashes yield large quantities 

 of potash. 



Radial Section, 

 life size. 



Cross-section, 

 magnified 37^ diameters. 



Tangential Section, 

 life size. 



