SELLING LUMBER 



455 



24. All stock except car sills and framing shall be inspect- 

 ed on the face side to determine the grade. In stock surfaced 

 one side, the dressed surface shall be considered the face side. 

 In stock rough or dressed two sides, the best side shall be con- 

 sidered the face, but the reverse side of all such stock shall 

 not be more than one grade lower. 



UNSOUND KNOT. 



25. Pieces of siding, lining or roofing with 3/16-inch or 

 more of tongue will be admitted in any grade, provided it does 

 not run more than one-third the length of the piece. 



26. In all grades lower than "B and Better," wane on the 

 reverse side, not exceeding one-third the width and one-sixth 



