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Moisture content fiber saturation point shrinkage and swelling specific
Preparation of timber for treatment
7 other sections not shown
air space air-seasoned Amer Assoc AveIge average moisture content Boulton process cell walls coal-tar creosote coast Douglas-fir computed conifers considerably cubic foot diameter dimensions eastern hemlock effect empty-cell treatment factors fiber saturation point final vacuum full-cell process full-cell treatment green gross absorption hardwoods heartwood timbers heating medium heating period heating-medium temperature higher illus inches increase initial wood temperature kick-back Lodgepole pine material maximum method mixtures obtained percent percentage petroleum piling plants poles pounds per cubic preliminary air pressure preservative oils preservative pressure preservative temperature pressure period Proc rate of temperature red oak resin retention round timbers sapwood sawed timbers seasoned wood shows side penetration softwoods southern pine southern yellow pine species specific gravity specimens springwood steaming period steaming-and-vacuum summerwood table 23 temperature change temperature tx tion tracheids treated wood treating conditions treating cylinder treating pressure tyloses vacuum period viscosity water solutions western larch Wood-Preservers