TABLES USED IN FOREST MENSURATION 



493 



TABLE LXXX 



The International Log Rule foe Saws Cutting a J-inch Kerf. 



Standard scale for aeaaoned lumber with A-inch shrinkage per 1-inch board, and saws cutting 

 a 1-inch kerf, or for green lumber, for saws cutting a &-inch kerf. 



Formula: j(Z> 2 X0.22)-0.71.DJX 0.904762 for 4-foot sections. 

 Taper allowance: i inch per 4 feet lineal. 



