​Original old chemical magazine vintage ad for ALUMINUM COMPANY OF AMERICA.  Activated Alumina dried both air and liquid to minus 40 degrees.  Pictured are drying units designed for the Maysville, Oklahoma unit of the Garvin County Plants, operated by Warren Petroleum Corporation . Commercially pure, highly inert adsorbent that has high resistance to crushing, shock and abrasion.  Does not soften, swell or disintegrate even when immersed in water. 
This 1950 unique one page oil and gas industry equipment advertisement would display beautifully matted and framed.