Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, Comstock · leaf 776
this metal,however, and of its low tensile strength, it should not be used forbeams subjected to moving loads, such as loads coming from floorsupon which heavy articles are moved. Cast-iron beams of long span are not as economical^s thosemade of rolled steel. About the only places, therefore, in… … 11 Cast-iron Lintel. Common Shape. Fig. 588. Cast-ironLintel. Two Webs. is necessary. The relative cost of cast-iron and steel lintels dependslargely upon the distance from the rolling-mills and upon the freightrates. Foundries for casting iron are much more widely dis-tributed than are…
Building · Carpentry · Masonry
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