SELLINGLUMBER 459 



42. STANDARD PATTERNS. (See pages 469 and 470, 

 showing net sizes after working.) 



43. ALL-HEART CAR DECKING OR FLOORING will 

 admit sound knots not over one-third of the cross-section of the 

 piece at any point throughout its length, provided they are not 

 in groups; pitch pockets; firm red heart, shake and seasoning 

 checks which do not go through the piece, loose or heavy torn 

 grain, or other machine defects, which will lay without waste 

 or will not cause a leakage in cars when loaded with grain. 

 Must be strictly all heart on both sides and both edges. 



44. HEART FACE CAR DECKING OR FLOORING 

 will admit of sound knots not over one-third the cross-section 

 of the piece at any point throughout its length, provided they 

 are not in groups ; pitch pockets, firm red heart, shake and sea- 

 soning checks which do not go through the piece, loosened or 

 heavy torn grain, or other machine defects, which will lay with- 

 out waste, or will not cause a leakage in cars when loaded with 

 grain. Will admit of any amount of sap provided all of the face 

 side of the piece is strictly ALL HEART. 



45. No. 1 COMMON CAR DECKING OR FLOORING 

 will admit of sound knots not over one-half the cross-section 

 of the piece at any point throughout its length, provided they 

 are not in groups; pitch pockets, sap stain, firm red heart, 

 shake and seasoning checks which do not go through the piece, 

 a limited number of pin worm holes, loosened or heavy torn 

 grain, or other machine defects, which will lay without waste, 

 or will not cause a leakage in cars when loaded with gram. 



CAR SILLS AND FRAMING. 



46. No. 1 COMMON HEART CAR SILLS AND FRAM- 

 ING will admit of sound knots, provided they are not in groups, 

 the mean or average diameter of which shall not exceed 2 

 inches, pitch, pitch pockets, slight shake, seasoning checks, or 

 other defects which will not impair its strength more than the 

 defects aforementioned. Must be sawed from sound timber, 

 free from dote or rotten red heart, and true to measurements, 

 or at least the measurements at no point on the sill shall be 

 less than the size required. 



Measurement of the girth at any point throughout the 

 length of the piece must show at least 75 per cent heartwood. 



