Illinois Society of Architects · Chicago · leaf 19
18 … 19 U. S. GYPSUM PRODUCTS Distinct Advances in the Construction of Interior Walls and Ceilings PYROBARGYPSUM TILE For fireproof partitions,steel protection,elevatorenclosures, wall furring,etc. Approved by Na-tional Board of FireUnderwriters. Has fourteen points of superiority over other materials…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
