. The cubic foot as a national log-scaling standard. Forests and forestry United States Measurement. Deduction in board feet of lumber is 3, ^ 12 x 7 0r 17. 15 Deduction in cubic feet is 3 x 12 x 7 and divide by 10, or 1,8, 14 Figure 6« Method of deducting for defect by using diagrams, Culling Logs The definition of a cull log is largely a local affair which need not be discussed here in detail. Merchantability varies â with different species with business conditions and other factors« In cubic-foot scaling as in board-foot scaling there should, of course, be merchantability or minimum grade
. The cubic foot as a national log-scaling standard. Forests and forestry United States Measurement. Deduction in board feet of lumber is 3, ^ 12 x 7 0r 17. 15 Deduction in cubic feet is 3 x 12 x 7 and divide by 10, or 1,8, 14 Figure 6« Method of deducting for defect by using diagrams, Culling Logs The definition of a cull log is largely a local affair which need not be discussed here in detail. Merchantability varies â with different species with business conditions and other factors« In cubic-foot scaling as in board-foot scaling there should, of course, be merchantability or minimum grade specifications which state that to be merchantable a log must have a minimum length of so many feet, a minimum diameter of so many inches, and not over a stated percentage of cull material. Definitions of merchant ability which now apply to board-foot scaling will in all probability be applicable in cubic-foot scaling. The Form of Record Each scaler should make a record of the logs he scales. This record should include the essential details for each log, such as the species, diameter, length, amount of defect, and net volume. Listing the log number, gross volume, and kind of defect is optional. The form of record might be some- what like the following: _ 20â. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Rapraeger, E. F. [Missoula, Mont. : Northern Rocky Mountain Forest & Range Experiment Station]
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