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Show FELLING BIG TREES BY FIRE Method Shown In Illustration Will Cause Spruce Tree to Fall Forward For-ward to Burning Side. A method of felling spruce trees by fire is shown in the sketch. A hole is bored horizontally into the trunk of the tree for about one foot, and another hole bored at an angle to meet the first one (Fig. 1). Hot coals are placed at the intersection of the holes so as to ignite the pitch run- Fis.I. fie 2 Felling Trees by Fire. ning from the pores. The draft, according ac-cording to Popular Mechanics, will cause a rapid combustion, and in a i short time the tree will be burned through, causing it to fall toward the burning side. |