. Defects in timber caused by insects. Wood; Forest insects. Fig. 32.—A, Duali plywood, imported from the Philippine Islands, powder-posted by Bostrychopsis parallela; B, bostrichid powder-post injury to myrtle in Oregon and sai:>wood stock separate; by periodical inspection, utilizing the older stock first (34) ; and by using only heartwood piling sticks; or by submergence in water for four months, which renders the wood immune from attack, even after removal from the water. In the case of finished wood products, it may often be practicable to treat the wood with substances to prevent atta
. Defects in timber caused by insects. Wood; Forest insects. Fig. 32.—A, Duali plywood, imported from the Philippine Islands, powder-posted by Bostrychopsis parallela; B, bostrichid powder-post injury to myrtle in Oregon and sai:>wood stock separate; by periodical inspection, utilizing the older stock first (34) ; and by using only heartwood piling sticks; or by submergence in water for four months, which renders the wood immune from attack, even after removal from the water. In the case of finished wood products, it may often be practicable to treat the wood with substances to prevent attack. Creosotes are <. 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
