466 SELLING LUMBER 



Common timbers rough 4x4 and larger shall be not more 

 than J4" scant at any point when green, and be well manufac- 

 tured and may have lj^" wane on one corner one-third the 

 length of the piece, or its equivalent on two or more corners; 

 the wane measured on its face. 



Timbers 10 x 10 in size may have 2" wane as above ; the 

 larger sizes may have wane as above in proportion to sizes. 



The diameter of any one knot shall not exceed 2" in 4x4 

 to 6x6; 2y 2 " in 6x8 to 8x10; 3" in 10x10 to 10x12; 

 W in 12x12 to 12x14; 4" in 14x14 to 14x16; 4^" in 

 16 x 16 to 16 x 18. In sizes not mentioned the diameter of knots 

 admissible will increase or decrease in proportion to the size 

 of the timbers on same basis as above specified. 



In determining the size of knots, mean or average diameter 

 shall be taken, or the equivalent of the above in grouped knots 

 at any one point. Shakes one-sixth the length of the piece, small 

 unsound knots and a limited number of pin worm holes, well 

 scattered, are admissible 



SQUARE EDGE AND SOUND TIMBERS 



May be either Dense or Sound Pine. 



Square edge and sound timbers shall be well manufactured 

 and conform to the General Timber Specifications, admitting 

 sound knots, and shall be free from wane. 



MERCHANTABLE TIMBERS 



May be either Dense or Sound Pine. 



All merchantable timbers shall be well manufactured and 

 conform to the General Timber Specifications. 



Sizes under 9" on the largest dimension, shall show two- 

 thirds or more heart surface on one of the wide faces; sizes 9" 

 and over on the largest dimension shall show two-thirds or 

 more heart on both of the wide faces. When sticks are square 

 the face showing the most heart shall govern the inspection on 

 sizes under 9", and the two faces showing the most heart shall 

 govern the inspection when 9" and over. Heart showing the full 

 length, even if not two-thirds of the area as above, shall meet 

 the requirements of this quality. 



Wane not exceeding one-eighth of the dimension of the face 

 and one-quarter of the length of the piece on one corner, or the 



