Original heating trade vintage catalog for FLINN & DREFFEIN COMPANY, was located at 110 North Franklin Street, Chicago, IL. Consulting Engineers and Builders and Manufacturers of Industrial Fuel Equipment. Specialists in Process Heating Problems. Shown is the Standard Tin Plate Company, of Canonsburg, PA., Recarbonation Plant, City Water Works, of Columbus, OH., Furnaces for heating Breakdowns in the Full Finish Rolling of Automobile Body Sheets in the Empire Steel Corp, Falcon Plant, in Niles, OH. Bituminous and Anthracite Producer Gas Plants, Raw Producer Gas Burners, Equipment for Making Gas. Disbound from a large 1931 industrial heating catalog, this unique old one page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro heating equipment library. Slight damp stain on outer edge.