Original 1938 Dental trade magazine vintage ad for the PETROLAGAR LABORATORIES, INC.  Main office and plant were located at 8134 McCormick Boulevard, Chicago, IL. 

Manufacturers of Constipation Medication for Bowel Movement. 

'Regulation' 

Regulation of the daily program, especially diet and exercise, is beneficial to normal bowel movement and in some cases of constipation serves as sufficient treatment. Others require additional aid to facilitate regular evacuation. When an adjunct to diet and exercise is required, as it frequently is, Petrolagar provides a mild but effective treatment. Its miscible properties make it easier to take and more effective than plain mineral oil. Further, by softening the feces, Petrologar induces large, well formed stools which are easy to evacuate. Five types of Petrolagar afford a choice of medication adaptable to the individual patient.

Has product image, illustration, description and application 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. Nice graphics. A fabulous addition to your retro dental industry library.