The Seasoning and preservative treatment of arborvitæ poles . tached a pair of skidding tongs.(Fig. 1). When a pole was to be weighed, the lever was raised ashigh as possible and the skidding hooks set into the pole on eitherside of the balancing point. The lever was then brought down andthe pole raised from the skids. The poles were weighed at intervalsthereafter. After a long period of seasoning the circumferences were againmeasured at 6 feet and at 30 feet from the butt in order to determinethe amount of shrinkage. A series of circumference measurementswas made also at the butt and at succe
The Seasoning and preservative treatment of arborvitæ poles . tached a pair of skidding tongs.(Fig. 1). When a pole was to be weighed, the lever was raised ashigh as possible and the skidding hooks set into the pole on eitherside of the balancing point. The lever was then brought down andthe pole raised from the skids. The poles were weighed at intervalsthereafter. After a long period of seasoning the circumferences were againmeasured at 6 feet and at 30 feet from the butt in order to determinethe amount of shrinkage. A series of circumference measurementswas made also at the butt and at successive 5-foot points to determine [Cir. 136] (5) the volume, weight per cubic foot, and taper of an average ; :t was made of checking during seasoning. Upon completion of the seasoning experiment diiferent method- :—rvative treatment of the pole but:^ were tried, consisting irush treatments with carbolineum and creosote and open-tank treat-ments with creosote. Records ^rere kept of duration of treatment,temperature of oil. and depth of :-:, : —; SEASONING.* factoks :y::vzy::y- seaso^txg. While the poles the skids in the woods, the wind, a potent fact:: in seasoning. not get free ess them on account ofthe surrounding stand of timber. The sun. another valuable seasing agency, reached them for only a short rime each day. The tree-grew m swam] _:>und and the soft, spongy soil under the skid-: -:antly full of moisture, -^hich kept the air under and aroundthem more or less charge Bain and snow, which fell plentifullyduring the pi gress r the rxperiment. were evaporated covered the poles from about the first of November until thefirst of April. However, in February. 1906. all the poles wereremoved to the Escana i where zonditions were much more favorable. The soil is pure sand. The ground cover consisted ofscant grass an . sional huckleberry bushes, nowhere thick enough : prevent free ai: Tation around and under the skids. The poles resf Cirenl
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherwashingtongovtprin
