Original oil and gas trade magazine vintage ad for WM. F. KLEMP COMPANY. Main office and factory was located in Chicago, IL  With Hexteel, more higher power gasoline from same crude. Reinforces ganister linings in fractionating towers and other vessels, allows temperatures and pressures far higher than before. This unique 1950 old petroleum products and gasoline refining equipment industry magazine advertisement would display beautifully matted and framed.