index: 



Page 



Xntr oduct ion . . • . . •.....•* ........ 1 



Construction of board-foot log rules . «. 2 



The need for a common standard ...» 3 



Is a universal log rule practicable? 5 



Reasons for cubic-foot log scaling • • . •••• 6 



An advantage to scalers „ • ..«•.••. 7 



An advantage to manufacturers 7 



An advantage to log haulers 10 



An advantage to employees „ . 10 



An advantage to scientists „ 11 



Converting cubic feet to other units of measure 12 



Change to cubic-foot scaling could be gradual ». 14 



Technic in applying the cubic foot 15 



Diameter measurement - top end, butt end, or middle? .„ 15 



"Average " and "narrow" diameter ........ 15 



The "nearest" and the "lower" inch 18 



Determination of length 18 



Deductions for defect 18 



Culling logs 20 



The farm of record ........ .......<>. 20 



Construction of a cubic-foot rule 21 



How much taper allowance? 21 



The computation of cubical volume 22 



Selected bibliography , 25 



-i- 



