Illinois Society of Architects · Chicago · leaf 135
/Lme op. rv.< … _ — ^™ D A DCTAll. OF 5A5M Section 258b, (A)(B)(C)(D) Where measurement of glass is taken.Top of window.One-half of window. Detail of sash showing where (A) is taken,under ordinary conditions. Area of glass would be (A x A).Total area would be summation of all (A x A).Windows to be constructed so…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.