Chicago Metallic Sash Company · Chicago Metallic Sash Company · leaf 10
2112-2114 Ogden Avenue, Chicago, 111. REINFORCEMENT BARS. R-N-2 R-J-^ R-K-2 R-L-2 R-n-2 R-M-6 R-M-3 R-J-3 R-K-3 R-L-3 … RI33 The above patterns of reinforcement bars, with a few exceptions, are designed to conceal the steel strengthening bars, within the interior hollow space, instead of exposing and waring them to the outer surface. The proper size of steel to be used can be determined by rule measurement of the…
Art glass · Came · Openings · Glazing accessories, stained glass
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.
