. Annual report, 1954. Forests and forestry Southern States Periodicals; Forests and forestry Research Southern States Periodicals. Si 85 r- | * 75 - >- ~J !; ^— i§ ^ <0 Z r\ 1 i i i i i i i 5 0 5 10 15 20 25 30 35 40 HEIGHT ABOVE GROUND (FEET) Figure 25. --Effect of turpentining on growth at different heights above ground. Equipment Development A new tool for raising cups and gutters installed with double-headed nails has been developed (fig. 26). With this tool one man can do all of the operations involved in raising with a saving in labor requirements of 20 percent. The new tool has b
. Annual report, 1954. Forests and forestry Southern States Periodicals; Forests and forestry Research Southern States Periodicals. Si 85 r- | * 75 - >- ~J !; ^— i§ ^ <0 Z r\ 1 i i i i i i i 5 0 5 10 15 20 25 30 35 40 HEIGHT ABOVE GROUND (FEET) Figure 25. --Effect of turpentining on growth at different heights above ground. Equipment Development A new tool for raising cups and gutters installed with double-headed nails has been developed (fig. 26). With this tool one man can do all of the operations involved in raising with a saving in labor requirements of 20 percent. The new tool has been found satisfactory in tests on commercial operations. Drawings and specifications for constructing the tool have been given to six manufacturers at their Figure 26. —New, three-way tool designed for raising tins installed with double-headed nails. One man pulls all nails, raises tins, and attaches cup. -36-. 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 Southeastern Forest Experiment Station (Asheville, N. C. ). Asheville, N. C. : Southeastern Forest Experiment Station
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