Illinois Society of Architects · Chicago · leaf 412
r copy—now! Mechanical Hot Blast Heater First cost is from 50 to 75 percent lower than any other sys-tem of factory heating. Opera-tion and maintenance are pro-portionately lower. Armour In-stitute test gives this heatertwice the overall efficiency ofsteam. File the Gordon Catalog The new Robert… … Gordon Steam Unit Heater Highest possible radiatingefficiency. Occupies but asmall space and can be movedanywhere. ROBERT GORDON, Inc. 620 West Monroe Street Chicago, lUinois 11:. BI.AST SYSTEMS: Blast systems of heating are essentialljthe same as simple furnace systems exceptthat the air is moved…
Architecture · Building · Architects
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