The lumberman's hand book for the inspection and measurement of lumber and logs by Judson William B

Author:Judson, William B., [from old catalog] comp
Language: eng
Format: epub, pdf
Tags: Lumber
Publisher: Chicago, W. B. Judson
Published: 1879-03-25T05:00:00+00:00

Above ten inches wide will admit of imperfections equal to three small knots, and sap one and one-half times the thickness on face side; above fourteen inches wide will admit of imperfections equal to sap as above, and larger knots and straight split one-sixth the length of the piece; as the width increases, will admit of greater imperfections, but not enough to decrease the value below the first described piece.

Picks. This grade shall include all boards below the grade of Selects and better, that shall be equal in value to a piece of from six to nine inches wide, that shall have a perfect face, with back side sound and free from badly stained sap.

Above nine inches wide, will admit of defect equal to sap two inches on either edge of face side, and knots equal to one knot two and one-half inches in diameter.

Above thirteen inches wide may admit of defects equal to sap nine inches in width on either edge of face side, and three knots two and one-half inches in diameter. All boards of this grade above ten inches, may admit of straight split, one-sixth the length of the piece, but no board shall be of less value than the first described piece.

Flooring. Shall include all boards below Picks that shall be five inches in'width, with red sound knots

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