in. which carried the initial load of500 lbs. This assumption runs the load up to anexceedingly high limit, possibly too high, as it givesa pressure of more than 170,000 lbs. per sq. in. at thecenter of the area of contact, with a load of 20,000 lbs.In considering the results obtained in this…
Railroad cars
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
