. A practical course in botany, with especial reference to its bearings on agriculture, economics, and sanitation. Botany. 122 PRACTICAL COURSE IN BOTANY planks can be obtained in this manner. A better way of treating small logs is shown in Fig. 138, where the three central planks, r,r,r, on and near the diameter, will give the " quartered " effect, while the rest can oe used for the cheaper tangential cuttings. Examine a piece of quartered board, or a log of wood that has been split down the center, and notice. Fig. 140. — Sections of sycamore wood: a, tangential; b, radial; c, cros
. A practical course in botany, with especial reference to its bearings on agriculture, economics, and sanitation. Botany. 122 PRACTICAL COURSE IN BOTANY planks can be obtained in this manner. A better way of treating small logs is shown in Fig. 138, where the three central planks, r,r,r, on and near the diameter, will give the " quartered " effect, while the rest can oe used for the cheaper tangential cuttings. Examine a piece of quartered board, or a log of wood that has been split down the center, and notice. Fig. 140. — Sections of sycamore wood: a, tangential; b, radial; c, cross. {From Pinchot, U. S. Dept. of Agr.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Andrews, Eliza Frances, b. 1840; Lloyd, Francis Ernest, 1868-1947. ed. New York, Cincinnati [etc. ] American book company
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