OUS ARCHED TREE. make a simple apparatus for pulling-strength testing the width of the apparatus, bolted to their lower ends John S. Welter, of Upper Sandusky, Ohio, sends us involving the lever principle. The apparatus is shown to serve for lateral bracing. The other two legs the accompanying… … weight weighs 16 pounds. The resistance AN ARCHED TREE OVER AN OHIO ROAD. be indicated. It is unrolled automatically capacity of the lever varies from 50 to 210 by a friction roller arrangement mounted be- in the accompanying cut. It is essentially a third- pounds, and the arm is graduated to…
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