. The car wheel; giving the results of a series of investigations . 35,000 Lbs. Pressure per 5fl. In, 102,941 Xbs. Area .34 Sq In 40,000 Lbs Av. Pressure per Sq. Irt. 111,111 Lbs Area 36 Sq. In CONTACTS BETWEEN 78-IN. STEEL-TIRED WHEEL AND 80-LB. RAIL. 500 Lbs. Av. Pressure per Sq In 16,666 Lbs, Area .03 Sq, In. 10,000 Lbs. Av. Pressure per Sq. In 83 333 Lbs Area 12 Sq In. 16,000 Lbs. Av Pressure per 8q. In. 106,666 Lbd Area i5Sq In. 20,000 Lbs Av Pressure per Sq In 105j263 Lbs Area 19 Sq In

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