. The car wheel; giving the results of a series of investigations . 20,000 Lbs. Av. Pressure per Sq. In. Lbs. Area .23 Sq. 25,000 Lbs. Av. Pressure per Sq. In. 92,555 Lbs. Area .27 Sq. In.

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Keywords: ., bookaut, bookcentury1900, bookdecade1900, booksubjectrailroadcars