GRADING RULES. 21 



D. Select and better. 



Sound material free from sap-stain, large pitch seams and wane, true 

 to dimensions, occasional pin-knots allowed. Can be all heart-wood, all 

 sap-wood, or any combination of the two. Dimensions may be: thick- 

 ness, V ; width, no restrictions. 



Moulding stock. 



Sound material, free from knots and sap-stain. Wane on one edge 

 allowed. Must be all sap-wood. Edgings, except from shims, con- 

 taining clear, sound sap-wood, free from stain, and of sufficient width 

 are graded as moulding stock. Dimensions may be %", %" or %"; 

 width, 8" or below. Most of the moulding stock graded consisted of 

 edgings from %" C. and better and shop material. 



No. 1 Shop. 



Sound material, free from sap-stain, and true to dimensions, which 

 can not be graded as C. and better, due to the presence of knots, pitch- 

 seams and wane. The knots may be large, small, or of various sizes, or 

 may be sound or decayed without affecting the grade so long as the 

 material shows at least 75 per cent of clear cuttings. Dimensions may 

 be : thickness, %", %" or %" ; width, 8" or over ; %" material usually 

 sawed. 



No. 2 Shop. 



Sound material, free from sap-stain and true to dimensions, which 

 can not pass as No. 1 Shop but which must contain at least 50 per cent 

 of clear cuttings. Dimensions the same as for No. 1 Shop ; %" material 

 usually sawed. 



No. 3 Shop. 



Sound material, free from sap-stain and true to dimensions, which 

 can not pass as No. 2 Shop, but which must contain at least 25 per cent 

 of clear cuttings. Dimensions the same as for No. 1 and No. 2 Shop ; 

 %" material usually sawed. 



Box. 



Sound material, true dimensions, less than 12" in width, which can 

 not pass as No. 3 Shop, due to the presence of numerous knots, sap-stain 

 or excessive wane. Dimensions may be : thickness, 1", %", %" or %" ; 

 width, under 12". 



Shop 1". 



Sound material 1" thick, free from sap-stain and true to dimensions. 

 Grade about the same as No. 2 Shop. Dimensions may be: thickness, 

 1" ; width, 8" or over. 



No. 1 Common. 



Sound material 12" or more in width, free from sap-stain and wane, 

 and true to dimensions, which can not be graded as No. 1 Shop, due to 

 numerous small, sound knots. This grade of material must be springy, 

 heavy, and have all indications of fair strength. Dimensions may be: 

 thickness, 1" or %"; width, 12" or over; I"xl2" material usually 

 sawed. 



