3;3-lN. STEEL WHEEL. ■J4^0M. … -J H 34-IN. SUBWAY MOTOR-TRUCK WHEEL FOR THE INTERBOROUGH RAPIDTRANSIT CO., NEW YORK. From the tests made of Schoen solid forged and rolledsteel wheels under postal cars on the PennsylvaniaRailroad it was found that there was obtained anaverage mileage of 14,638 per yV in., including wearand…
Railroad cars
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