. Official proceedings . a continuous draft. The center sills aloneprovide this, and around them we build the car. In the dia-gram. Fig. II, there are two center sills made of commercial Proceedings Railway Club of Pittsburgh. Discussion—Steel Cars Without Center Sills 119 structural steel channels, and it is ol)Yi(jus to all that structuralsteel is employed in the car throughout. Although 400 outof the first order of 1,000 cars built l)y the Schoen Pressed SteelCar Company were constructed of structural steel, until re-cently the structural steel car has been dormant. lUit now itis evident th
. Official proceedings . a continuous draft. The center sills aloneprovide this, and around them we build the car. In the dia-gram. Fig. II, there are two center sills made of commercial Proceedings Railway Club of Pittsburgh. Discussion—Steel Cars Without Center Sills 119 structural steel channels, and it is ol)Yi(jus to all that structuralsteel is employed in the car throughout. Although 400 outof the first order of 1,000 cars built l)y the Schoen Pressed SteelCar Company were constructed of structural steel, until re-cently the structural steel car has been dormant. lUit now itis evident that the car built of structural steel is the comingcar, and the car that will be most extensively used in the need only cite the conclusions reached by the road whichhas purchased the largest number of steel cars since the in-ception of the industry in this country. The limit of thepressed steel shape for sills for long s])ans, or concentratedloads, has been reached, and we see them reinforcing the bot-tom flange of the sills with angles and the top flanges withcover plates. And in this connection I would like to quotean authority, Mr. W. H. Marshall, of the L. S. & M. S. Ry. Co.,who says in regard to som
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