A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 340
ising sap in the newly formed layers. When timber pre-sents this appearance, it should be immediately rejected, asit will be short lived and will soon decay. 23. The soil in which timber is grown exercises animportant influence upon its quality; where damp andmarshy, the fiber is of a light, spongy… … Fig. 4. 10 CARPENTRY. § 9 The hard woods thrive best on dry, clayey soils, whilethose of the pine group are best developed in sandy soils, 24. Exposure to prevalent wind storms in one directiontends to produce a twisted, spiral mode of growth. Timberpossessing this character is of little value for…
Architecture · Building
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