No. 69. No. 70. MICROPHOTOGRAPHS^ OF BURNED METAL OF SCHOEN STEEL WHEEL.50 DIAMETERS. 73 … BURNED METAL OF SCHOEN STEEL WHEEL 75 s OME AREAS OF CONTACT BE-TWEEN WHEELS OF VARIOUSDIAMETERS UNDER LOADS ANDTHE RAIL. The mutual compression between the wheel andthe rail when under a load has an important bearingon the durability of both and also on the adhesion ofthe wheels when used as…
Railroad cars
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