Original oil and gas trade magazine vintage ad for HERCULES TOOL COMPANY, of Tulsa, OK., and at 90 West Street, New York City, NY. Hercules Duplex Polished Rod Stuffing Box. Packing casing, Pumping and flowing tee, cross tee and tubing heads. It Happened that Year, Remember? Unique 1959 old oilfield petroleum drilling industry equipment magazine advertisement would look fantastic matted and framed. Nice graphics.