hat there is a demand for these wheels isshown by the fact that more than 150,000 are nowin use, 55,000 of them in service under 100,000 lbs.capacity cars, and the number is steadily increasing. It is difficult to make an estimate of the mileagecost of freight car wheels because of the… … i^—j—I 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
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
