Original 1970 Oil and Gas trade vintage catalog for the CLAYTON MARK & COMPANY.  Main office and plant were located at 1900 Dempster Street, Evanston, IL.

Manufacturers of Oilfield Equipment.

Products include Markair Pneumatic Actuators, Mark II Bar Stock Ball Valve, Petro 3-Way Ball Valve, Petro Union End Ball Valve, Petro Flanged End Ball Valves, Ball Valves in Bronze & Stainless Steel , Petro Threaded End Ball Valve, Petro Fire-Gard Valve, Forged Steel Unions, Bevelled Tabbed Orifice and Forged Steel Fittings, all are fully featured.

Has product images, parts illustration, description, application and specifications provide product details.

Unbound from a large rare 1970-1971 Composite Catalog, this unique old four-page technical brochure would display beautifully matted and framed. Nice cover graphics. A fabulous addition to your retro oilfield petroleum industry library.