Hand book for hardwood lumbermen, containing rules for inspection by Stanley J. L

Author:Stanley, J. L. [from old catalog]
Language: eng
Format: epub
Tags: Hardwoods, Lumber
Publisher: Cleveland, Ohio, Brooks & company
Published: 1888-03-25T05:00:00+00:00

thick, unless marketed as a special tliickness, and lumber varying in thickness more than ] of an inch. It also includes lumber containing shakes, hearts, stain or unsound knots, and all lumber below commons which will work J clear.

QUARTER-SAWED OAK AND SYCAMORE.

Standards lengths are 12, 14 and l()feet; 12^ per cent, of 10 feet will be admitted.

Standard thicknesses are 1, 1], H, 2, '2h, 3 and 4 inches.

Firsts must be at least (3 inches wide and free from defects, with the following exceptions, viz :

A straight split in one end of a board or plank, not exceeding in length the width of the piece, or a defect equal to a standard knot, showing only on one side, in lumber 12 inches, or over, wide.

Seconds must be at least 5 inches wide. Five inches wide must be clear. Six and 7 inches wide will admit of one small defect ; 8, 9 and 10 inches wide will admit of one defect equal to a standard knot; 11, 12 and 18 inches wide Avill admit of two defects equal to standard knots; 14 inches, or over, wide will admit of three defects equal to standard knots. A straight split in one end of a board or plank, equal in length to twice the width of the piece, will be admitted in this grade if free from other defects.

Commons must be at least 4 inches wide. Four inches wide must be clear ; G and 7 inches wide -18-

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