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The car wheel; giving the results of a series of investigations (1907)

Fowler, George Little, 1855-1926 · Pittsburgh, Pa., Schoen Steel Wheel Co. · leaf 154

An illustration from The car wheel; giving the results of a series of investigations, 1907, leaf 154 — 149 Hydraulic presses, each witha capacity of eighteen millionpounds, are used to forgethe Schoen Solid SteelCar Wheel. … The most ingeniousmechanism is required toroll and finish a SchoenSolid Steel Car Wheel.

Railroad cars

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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