Illinois Society of Architects · Chicago · leaf 261
Fig-. 45. Fig*. 46. PROTECTION OF BEAMS.Section 845, 846. … • METAL- LAT (A) Fire-prcof covering for beams, girders, etc.,for exterior structural parts, Sec. 845. See pro-visions for columns (Sec. 838) for A. Fig. 45. (B) Allowable covering for shelf an-gles, etc.. not figured part of fl;inge section to be 2. Figs. 45, 46, 47. Necessary fire-proof…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer04inte-271-122.webp)
