Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, Comstock · leaf 84
he patents of Ernest L. Ransome, of SanFrancisco, Cal., and subsequently by the ri,y^hts owned by the Ran-some & Smith Co., of New York, Chicago and San Francisco. All patents relating to the use of square twisted bars for reinforcedconcrete construction have now expired, and many firms are… … raj Fig. 3J. Different Arrangements of Rods in Reinforced Concrete Iootings. 71. PLACING THE RODS IN SPREAD FOOTINGS.—There are several ways of arranging rods in reinforced concretecolumn footings, some of which are shown in Fig. 32 at (a), (b),and (c). The method shown in the figure at (a) is the…
Building · Carpentry · Masonry
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