Illinois Society of Architects · Chicago · leaf 559
WW TU£ ■IF uuinoouj … Figure 10.- -Measurement of knots in beamsand stringers. taken as half the sum of its length andgreatest width. The sizes of knots on narrow faces andat edges of wide faces may increase propor-tionately from the size permitted in themiddle third of the length to twice that sizeat the ends of the…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.