WOOD-USING INDUSTRIES OF CALIFORNIA. "> i 



'edwood. California. 



Mill machinery construction; engine frames. 



Fairly strong ; nails well ; used where dampness is a factor, or where 

 tin* color is desired as a part of the machines. 



Mill machinery: surfaced on two sides, clear, 1 inch thick. 



Engine frames : rough, common, 2 to 8 inches thick. 



'liit< <mh\ plain (eastern oak). South; Middle West. 



Of total amount of white oak manufactured 0.1 per cent used in this 

 industry. 



Cylinder blocks ; machine timbers. 



Strong; tough; durable. 



Hough, clear, 1 to 8 inches thick. 

 Sitka spruce. Oregon ; Washington. 



Mill machinery. 



Surfaced on two sides, good grades, 1 inch thick. 



fisl<rn maple (hard maple). New England; Lake States; 



Middle West ; South. 



Of total amount of eastern maple manufactured 1.1 per cent used 

 in this industry. 



Brake band blocks ; friction blocks ; mill cogs. 



Strong; tough; true to form when worked up. 



Rough or surfaced, clear, 1 to 8 inches thick. 

 Hickory. South ; Middle West. 



Of total amount of hickory manufactured 1.4 per cent used in this 

 industry. 



Friction blocks; springs and eccentric slats on flour and feed mill 

 machinery. 



Springy; tough. 



Surfaced, clear, 3 to 4 inches thick. 

 Sugar pine. California. 



Special machines. 



Light, easily worked. 



Rough, clear, 1 inch thick. 

 California blue gum. California. 



Of total amount of California blue gum manufactured 7.2 per cent 

 used in this industry. 



Driving blocks in oil well work. 



Logs, dry, 8 to 12 inches in diameter. 

 Western yellow pine (yellow pine). California. 



Flooring on concrete mixers. 



Cheap. 



No. 1 common. 



