Original oil and gas trade magazine vintage ad for AIR PREHEATER CORPORATION. Main office was located at 60 East 42nd Street, New York, NY. Pipe stills have greater capacity with Ljungstrom air preheaters. It can raise combustion air temperatures as much as 1000 degrees by recovering waste heat from the still exhaust. The increase in combustion air temp permits an important increase in the output of your still per barrel of fuel consumed. Photograph courtesy of Standard Oil Company, NJ. This unique 1959 old petroleum refining industry magazine advertisement would display beautifully matted and framed.