Illinois Society of Architects · Chicago · leaf 610
WIDTH OF RECTANGULAR DUCT IN INCHES Courtesy American Blower Corp. 605 GILLESPIE-DWYER CO. VENTILATING and AIR CONDITIONING j * « CONTRACTORS < * … COMFORT COOLING INDUSTRIAL REFRIGERATIONPROCESS PIPING DRYING SYSTEMS STEAM FITTING AND SHEET METAL WORK 2237-45 West Lake Street TELEPHONES SEELEY j 81 40j 8141 CHICAGO, ILL. - OIL HEATING By HARRY r. TAPP Oil is, each year, being more widely ac-cepted as the fuel best suited to modernneeds. Many…
Architecture · Building · Architects
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