Illinois Society of Architects · Chicago · leaf 311
n of heating surface area to gratearea; 1.75=a constant based upon the re-sults obtained on a furnace having 20square feet of heating surface for eachsquare foot of grate, and including fac-tors for: E=effi.ciency of heater;C^combustion rate;F=caloriflc value of fuel;0.75^percentage of heat… … (Ihicago Town & Tennis i lull Building, Ridge and Thome Aves., ( ihicago, 111.Philip 1!. Maher, Architecl Krahl Construction Company General Contractors SUPerior 3087 350 NORTH CLARK STREET CHICAGO MS The formula allows 1.75 square inches ofwarm air pipe area for each square inch ofgrate area,…
Architecture · Building · Architects
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
