Original 1938 Dental trade magazine vintage ad for the COLUMBUS DENTAL MANUFACTURING COMPANY.  Main office and plant were located in Columbus, OH. 

Manufacturers of Dental Equipment and Supplies.  'APCO Dental Porcelain is Now a Steele's Product.'

The Columbus Dental Manufacturing Company announces with pleasure it's acquisition of the American Porcelain Company of Chicago, Illinois, makers of APCO Porcelain. The fine quality of APCO Porcelains make them a welcome addition to Steel's line of fine ceramic products; Steels Super-Glaze, Super-Stains and Interchangeable Teeth. Six years of research in use of APCO with Steele's Trupontics convinced us of the definite need in our line for the for this finest of dental porcelains. 

Products include Inlays, Root Tips, Jacket Crowns, All Porcelain Bridges.

Has product description and applications to provide product details.

Unbound from a rare 1938 American Dental Journal magazine, this unique old one-page dentist advertisement would display beautifully matted and framed.  A fabulous addition to your retro dental industry library.