24 WOOD-USING INDUSTRIES OF NORTH CAROLINA. 



output of his mill than by selling the material in log-run form. The 

 manufacturer would be relieved of the trouble of sawing the inferior 

 grades into squares at the factory, and of the expense of paying for 

 transportation, handling, and culling this log-run material, a large per- 

 centage of which will be a waste on his hands. The percentage of lum- 

 ber suitable for further manufacture varies considerably in each con- 

 signment where materials are purchased in log-run grades. This brings 

 about an element of uncertainty and often misunderstanding which can 

 partly be eliminated if the lumber be purchased according to grades, 

 and the squares according to specifications. 



