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Show Improvement on Tractor. &' A new nttnehmont designed to give Bo tho small tractor greater bearing area and Increased pulling power, roplacos If tho round whoels with two largo WK sprockets, according to Popular Mo- I chnnlcs Mugazlne. Outside of each sprocket Is a cast-steel arm which Wm projects forward nnd downward, car- 1st rylng at Its front end a smaller ldlor IB whool. A track trend pnssos around IR the sprocket and ldlor wheel, giving III tho tractor Increased bearing nroa. ' . . H flfl rv j |