Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, Comstock · leaf 727
542 shows the spiral reinforcing for columns manufacturedby the American System of Reinforcing for Concrete Construction,Chicago, 111. 700 BUILDING CONSTRUCTION. (Ch. X) It consists of varying sizes of wire ranging from No. y gaugeup to y^, of an inch, coiled in the form of a helix, spaced from…
Building · Carpentry · Masonry
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.