. Official proceedings . 59,000 Lbs. Av. Pressure per Sq. In. 118,000 Lbs. Area .50 Sq. 65,000 Lbs. Av. Pressure per Sq. In. 118 181 Lbs. Area .55 Sq. in. 70,000 Lbs. Av. Pressure per Sq. In. 118,644 Lbs. Area .59 Sq. In. 75,000 Lbs. Av Pressure per Sq In. 122,950 Lbs. Area .61 Sq. In. CONTACTS BtTW tEN ^H IN. CAST IRON WHEEL AND lOC-LB. RAIL. car and an ordinary coach. These spots shown are reproduc-tions of the contacts that I obtained in the laboratory in takinga cast iron wheel and loading it successively on a standard began wath 500 lbs., and you will see that the average pres
. Official proceedings . 59,000 Lbs. Av. Pressure per Sq. In. 118,000 Lbs. Area .50 Sq. 65,000 Lbs. Av. Pressure per Sq. In. 118 181 Lbs. Area .55 Sq. in. 70,000 Lbs. Av. Pressure per Sq. In. 118,644 Lbs. Area .59 Sq. In. 75,000 Lbs. Av Pressure per Sq In. 122,950 Lbs. Area .61 Sq. In. CONTACTS BtTW tEN ^H IN. CAST IRON WHEEL AND lOC-LB. RAIL. car and an ordinary coach. These spots shown are reproduc-tions of the contacts that I obtained in the laboratory in takinga cast iron wheel and loading it successively on a standard began wath 500 lbs., and you will see that the average pressurewas about 9040 lbs. to the square inch of area. Coming down The Car Wheel. 17
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