Illinois Society of Architects · Chicago · leaf 505
the building to Ijcheated. Kach case should be properly figuredout on its own merits by an engineer familiarwith gas application. Smaller installations,such as residences can be estimated with rea-sonable accuracy by the use of simple factorsleased on past experience. In the neighbor-liood of… … 250 hp Automatic OilBurner Listed as Standard by Underwriters Laboratory2500 installations in Metropoliljin (hica^oBurns No. 5 oil without ])ro-heatingSmaller sizes down to 400 sq. ft.Factory Sales and Service,Engineering Data avail-able to Architectsand Engineers.
Architecture · Building · Architects
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