. Bulletin. Forests and forestry. %; $. ^ Forest Service Circular No. 213. 2 A fresh-sawn 1-inch plank of guijo (a wood comparable to the oaks in weight and hardness) donated to the working collection of the Philippine Bureau of Forestry in February, 1911, was exactly 48 inches wide; exposed to the air under an open shed, it shrunk to a little over 45 inches by August, 1911; during the extraordinarily dry, hot spring of 1912, it went down to exactly 46 inches, a total shrinkage in width of 6J per cent; afterwards it reabsorbed some moisture and in February, 1913, it measured 45i inches. 3 In s
. Bulletin. Forests and forestry. %; $. ^ Forest Service Circular No. 213. 2 A fresh-sawn 1-inch plank of guijo (a wood comparable to the oaks in weight and hardness) donated to the working collection of the Philippine Bureau of Forestry in February, 1911, was exactly 48 inches wide; exposed to the air under an open shed, it shrunk to a little over 45 inches by August, 1911; during the extraordinarily dry, hot spring of 1912, it went down to exactly 46 inches, a total shrinkage in width of 6J per cent; afterwards it reabsorbed some moisture and in February, 1913, it measured 45i inches. 3 In some species, in accord with the general rule that hard woods shrink more than soft ones, the hard heartwood shrinks even more than the softer sapwood; in such cases, the square d would become narrower in the inner, not the outer, 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 Philippines. Bureau of Forestry. Manila, Bureau of printing
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectforestsandforestry
