is load and for thefloor-beam spans used in this building a twelve-inch I-beamis required; therefore, a twelve-inch arch will be used inthis design. Manufacturers list the twelve-inch archhavinga six-foot span,as being able to carry a superimposed loadof two hundred ninety-five pounds, with a… … \r^ir f- —£r - d
Building, Iron and steel · Office buildings · Theses
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![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-795-425.webp)
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