Illinois Society of Architects · Chicago · leaf 193
anical Ventila-tion.) (a) In every building hereafteierected for or converted to the purposes otthis class, courts shall be of the minimumwidths and areas prescribed in Section 644of this chapter, and vent shafts as definedin Section 634 of this chapter, shall be of thefollowingr minimum width and… … or Tl oob S ECTIO N
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
