Читать книгу Seasoning of Wood - J. B. Wagner - Страница 13
WOOD OF THE CONIFEROUS TREES
ОглавлениеExamining a smooth cross-section or end face of a well-grown log of Georgia pine, we distinguish an envelope of reddish, scaly bark, a small, whitish pith at the center, and between these the wood in a great number of concentric rings.