Original oil and gas trade magazine vintage ad for LINK-BELT COMPANY of Indianapolis, IN. Houston, TX. Dallas, TX. Odessa, TX. and Los Angeles, CA. For Severe Impact and Heavy Loads Link-Belt presents Mill Bearings. For use on Steel Mill, Foundry, Oil Drilling, Mining, Construction and other heavy-duty equipment. Unique 1955 old oilfield petroleum drilling industry equipment magazine advertisement. On the reverse side is an ad for PARKERSBURG RIG & REEL COMPANY of Fort Worth, TX. Division of Parkersburg, Aetna Corporation. Pictured is a Parkersburg 84-G228D-22-N11 Air Balanced Pumper. Unique 1955 old oilfield petroleum pumping equipment industry magazine advertisement.