. Industrial Education Magazine . specially for members of the boys and girlspoultry clubs. A more complete treatment of thesubject is found in Farmers Bulletin, No. 574,;Poultry House Construction. CHARRING DOES NOT PRESERVE WOOD/^HARRING is of little value in protecting thebutts of fence posts and telephone poles fromdecay. This is shown by service tests made bythe U. S. Forest Products Laboratory on fences ofcharred and untreated posts of various species. Thecharred posts proved in these tests to be even lessdurable than the untreated ones. Theoretically, an area of charred wood around apos
. Industrial Education Magazine . specially for members of the boys and girlspoultry clubs. A more complete treatment of thesubject is found in Farmers Bulletin, No. 574,;Poultry House Construction. CHARRING DOES NOT PRESERVE WOOD/^HARRING is of little value in protecting thebutts of fence posts and telephone poles fromdecay. This is shown by service tests made bythe U. S. Forest Products Laboratory on fences ofcharred and untreated posts of various species. Thecharred posts proved in these tests to be even lessdurable than the untreated ones. Theoretically, an area of charred wood around apost should prevent decay, because charcoal doesnot decay or encourage the growth of fungi. Butthe charred area around a post is not usually a solidcovering. It is checked through in many posts are seasoned before they are charred, thecharring does not reach to the bottom of the seasonchecks which are always present. If green un-checked posts are charred, checks will open thruthe charred part as the wood seasons. In either. Mahogany Table Lamps. Made in Bellingham,\\a>h., under Supervision of Frank C. Vincent. case the uncharred center of the post is exposed tofungus infection and will decay as rapidly as anyuntreated wood. Charring deep enough to resist decay would un-doubtedly weaken a post of ordinary size. 340 MANUAL TRAINING MAGAZINE v^she-r^
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