390 Sloan's Architectural Review and Builders' Journal. [Dec, " and not over two feet in length, shall " not condemn it to an inferior quality ; "the split shall not vary more than half " an inch to a foot from a straight line : " Provided, It has no other defect ; that " all boards or plank that are rotten, "worm-eaten, wind-shaken, or other- " wise defective, may be docked accord- " ing to what the Inspector, upon his " oath, shall deem them injured for the " mechanic's use. All grub plank and "binders shall be counted at half the " quantity actuall}' contained therein," etc., etc.* These regulations are explicit ; and, although it has become customary to ♦Pardon's Digest — Art.. Lumber, par. 8, page 672. divide lumber, intended for purchase by consumers, into a greater number of grades, than above enumerated ; j r et it will be seen, that where boards or plank in seasoning develop shakes, &c. , which were not visible before, a compliance with law necessitates a second sorting. These hints are thrown out, in the belief that their observance will be found mutually beneficial to dealer and con- sumer, and as having a direct bearing upon those subjects, to whose discus- sion this Magazine is devoted. We herewith append a Table, showing the number of square feet contained in a given piece of Lumber. It will be found useful, as a check to hurried calcula- tions, and may be relied on, as accurate : SIZE. LENGTH— IN FEET. Inches. 12 14 16 16 18 20 22 22 24 26 26 '28 28 30 30 32 32 34 J 36 3x4 12 14 18 20 24 34 ! 36 5 15 Hi 20 22i 25 27* 30 m 35 37* 40 ! 421 45 6 18 21 24 27 30 33 36 39 42 45 48 51 1 54 7 21 24i 28 3H 35 381 42 45i 49 521 56 591 63 8 24 28" 32 36 40 44 48 52 56 60" 64 68~| 72 9 27 3U 36 40* 45 49* 54 58* 63 671 72 761 81 ,10 11 30 35 40 45" 50 55" 60 65" 70 75" 80 85 "| 90 33 38i 44 49^ 55 601 66 71* 77 821 88 93. V, 99 12 3G 42" 48 54 liO 66 72 78 84 90 96 102" 108 4x4 16 18§ 21* 24 26| 29* 32 34! '-"7 1 40 4 } 45* 48 5 20 23* 26f 30 33* 36| 40 ±H 46! 50 58-i ■ s 56| 60 ■ 6 24 28 32 36 40* 44 48 52 56 60 64 68 72 7 28 321 37* 42 46| 51* 56 60f 65* 70 74! 79* 84 8 32 37* m 48 53* 58| 64 69* 74! 80 85* 90f 9(5 9 36 42 48 54 60 66 -72 78 84 90 96 102 108 10 40 46f 53* 60 66| 73* 80 86| 93* 100 106! 113* ISO 11 44 51* 58| 66 73* 80! 88 J03 102| 110 117* 124f 132 12 48 56 64 72 80 88 96 104 112 120 128 136 |144 5x5 25 291 33* 37| 41! 45 5 6 50 54* 58* 62* 66|; r0f 75 (i 30 35 40 45 50 55 60 65 70 75 80 J 85 1- 90 7 35 40* 46f 52* 58* 64* 70 75J- 81f 871 93*i 99*105 8 40 46| 53* 60 66| 73* 80 86! 93* 100 106f ! 113* 120 9 45 52 k 60 67* 75 82^ 90 97* 105 112* 120 1127^ 135 10 50 58* 66f 75 88* ■91| 100 108* 116! 125 133* : 14lf 150 11 55 64£ 73* 82* gifioof 110 119* 128* 1371 146§ 155! 165 12 60 70 80 90 100 110 120 130 140 150 160 170 180 6x6 36 42 48 54 60 66 72 78 84 90 96 102 108 7 42 49 56 63 70 77 84 91 98 105 112 119 126 8 48 56 64 72 80 88 96 104 112 120 128 136 144 9 54 63 72 81 90 99 108 117 126 135 144 153 162 10 60 70 80 90 100 110 120 130 1'40 150 160 170 ISO 11 66 77 88 99 110 121 132 143 154 165 176 187 198 12 72 84 96 108 120 132 144 156 168 180 192 204 216
