FOREST PRODUCTS 



179 



The first method is the most common. The other two methods are 

 used only with the most valuable species, such as mahogany, Cir- 

 cassian walnut, black walnut, and other high-grade cabinet woods. 



Veneers are generally cut from y s to % inch in thickness. Care- 

 ful methods of drying must be used after manufacturing, especially 

 in connection with rotary-cut veneers, in which the wood is steamed, 

 or immersed in hot water prior to cutting. 



FIG. 95. Lathe used in making rotary cut veneers. Much Douglas fir, southern 

 and ponderosa pines are cut into rotary veneers by this method. The veneer log 

 is slowly turned against a sharp knife which cuts thin sheets of wood of the 



desired thickness. 



6. Naval Stores. Resin is obtained from the resin ducts in long- 

 leaf and slash pines. The other two southern pines, loblolly and 

 shortleaf, do not yield a sufficient flow of resin for commercial pur- 

 poses. The face of the tree is chipped weekly or at regular intervals 

 to stimulate the flow. 



Naval stores is one of the oldest industries in the country and is 

 now centered in Georgia, Florida, and Alabama in order of impor- 

 tance. Savannah is the great market for naval stores, and second- 

 growth timber constitutes practically the entire source of supply. The 

 primary products of the earlier years of the industry were pitch and 



