458 SELLING LUMBER 



38. SELECT CAR SIDING will admit of one standard 

 pitch streak, one standard pitch pocket, or their equivalent; and 

 in addition, will admit of not exceeding five pin^ knots and 

 two standard knots, or their equivalent; 10 per cent sap stain; 

 firm red heart, slight shake, heavy torn grain, defects in manu- 

 facture or seasoning checks. Pieces otherwise good enough 

 for "B," but containing a limited number of pin worm holes 

 shall be graded "Select." This grade is intended to be accumu- 

 lated from running "B and Better" stock, and will consist of 

 all the droppings which do not contain defects in excess of 

 those mentioned in this paragraph. 



39. No. 1 COMMON CAR SIDING will admit of the 

 following defects or their equivalent: Sound knots, not over 

 one-half of cross-section of the piece at any point throughout 

 its width ; three pith knots or their equivalent ; wane >^ inch 

 deep on edge not exceeding \y 2 inches wide and one-half the 

 length of the piece; torn grain, pitch pockets, pitch, sap stain, 

 seasoning checks, slight shakes, firm red heart and a limited 

 number of small worm holes well scattered. This grade is in- 

 tended to be worked from Fencing stock, either kiln or air dried. 



40. SELECT CAR LINING AND ROOFING will admit 

 of one standard pitch streak; one standard pitch pocket, or 

 their equivalent; and, in addition, sound knots not over one- 

 half the width of the piece in the rough ; 10 per cent sap stain ; 

 firm red heart, slight shakes, heavy torn grain ; defects in manu- 

 facture or seasoning checks. Pieces otherwise good enough 

 for "B," but containing a limited number of pin worm holes shall 

 be graded "Select." This grade is intended to be accumulated 

 from running "B and Better" stock, and will consist of all the 

 droppings which do not contain defects in excess of those men- 

 tioned in this paragraph. 



41. No. 1 COMMON CAR LINING AND ROOFING will 

 admit of the following defects or their equivalent r Sound knots 

 not over one-half the cross-section of the piece at any point 

 throughout its length; three pith knots or their equivalents, 

 torn grain, pitch pockets, sap stains, seasoning checks, firm red 

 heart, and a limited number of pin or small worm holes well 

 scattered. This grade is intended to be worked from Fencing 

 stock, either kiln or air dried. 



