Chicago : Engineering and Contracting Pub. Co. · leaf 696
s, it maybe inferred that a creosote, to be of most value,at least for treating loblolly pine, should con-tain considerable quantities of high-boilingfractions, which appear to plug up the outercells, and so insure the retention of the lighteroils in the interior of the wood. Earth and Sand-Clay… … gO S9 ■M SO TIME OF SEASONING AFTCK TREATMENT—OAYS Fig. 1—Fractional and Composite Curves. The lighter fractions, as might be expected,lost more than the heavier ones, but the lossesfor the three first are surprisingly great whencompared with the commercial creosote, thelatter losing only 5.4 per…
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