. Defects in timber caused by insects. Wood; Forest insects. woods, after the of February in Gulf States, or after the 1st of April farther north. Other preventive measures include: Rapid utiliza- tion ; submergence of logs in water, where they will not be at- tacked, and working them up as soon as re- moved from the water; sun-curing, with or without the bark on (care should be taken to provide against ex- cessive checking) ; and removal of bark strips from freshly sawn ma- terial. The damage can often be prevented by peeling the bark (both outer and inner) from the logs or bolts, timbers, or
. Defects in timber caused by insects. Wood; Forest insects. woods, after the of February in Gulf States, or after the 1st of April farther north. Other preventive measures include: Rapid utiliza- tion ; submergence of logs in water, where they will not be at- tacked, and working them up as soon as re- moved from the water; sun-curing, with or without the bark on (care should be taken to provide against ex- cessive checking) ; and removal of bark strips from freshly sawn ma- terial. The damage can often be prevented by peeling the bark (both outer and inner) from the logs or bolts, timbers, or edges of lumber, as the bark offers a favorable place under which the in- sects' can lay eggs. Both the outer and inner bark of sawn timber should always be carefully removed and the timbers placed where they will season rapidly (1). DEFECTS CLASSED AS POWDER POST Powder post is indicated by holes from one-sixteenth to one-fourth of an inch in diameter, in the surface of the wood, in the sapwood and. 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 Snyder, Thomas Elliott, b. 1885. Washington, D. C. : U. S. Dept. of Agriculture
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Keywords: ., bookcentury1900, bookdecade1920, bookpublisherwa, booksubjectwood
