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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 78
No. 67. … No. 69. No. 70. MICROPHOTOGRAPHS^ OF BURNED METAL OF SCHOEN STEEL WHEEL.50 DIAMETERS. 73Railroad cars
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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