Original 1964 industrial trade vintage catalog for the CLAYTON MARK & COMPANY.  Main office and plant were located at 1900 Dempster Street, Evanston, IL.

Manufacturers of Complete Line of Valves, Unions and Fittings for the Process Industries.

Products include the Petro Ball Valves, Petro Flanged End Ball Valves, the Mark 780 Ball Valve, the 750 Shut-Off Valve, Forged Steel Unions and Forged Steel Fittings, all are fully featured.

Has product images, description, applications and specifications to provide product details.

Unbound from a large rare 1964 Process Industries Catalog, this unique old four-page technical brochure would display beautifully matted and framed. Awesome cover graphics. A fabulous addition to your retro industrial valve equipment library.