A treatise on architecture and building construction (1899)
International Correspondence Schools · Scranton, The Colliery engineer co. · leaf 279
ing the laying. 180. The Colvinibian system, shown in Fig. 90,resembles somewhat the Metropolitan floor, but with thedifference that the concrete, instead of being stiffened andsupported by wires, is carried on steel bars, having the section shown at a, in {a), Fig. 90;these are inserted in…
Architecture · Building
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