Original 1951 Oil and Gas trade vintage catalog for the THORNHILL-CRAVER COMPANY, INC. (Unibolt Division). Main office and plant was located at 1111 Lockwood Drive, Houston, TX.

Manufacturers of Oilfield Equipment.  Couplings, Fittings and Valves for Drilling, Producing and Pipelining.

Products include Unibolt Steel Couplings, Unibolt Slush Pump Suction Strainers, Unibolt Welding Neck Couplings, Unibolt Pipeline Couplings an Scraper Traps, Unibolt Pipe Line Strainers, Unibolt Malleable Couplings, Unibolt Gas Line Blowdown, Malleable Tees and Crosses, Unibolt Flexi-Ball Joint, Unibolt Christmas Tree Fittings, Unibolt Injection Line Cage Nipples and Unibolt Flow-Rated Beans are all featured.

Has numerous product images, illustrations, description, application and specifications charts to provide product details.

Unbound from a large 1951-1952 Catalog of Oil Field Equipment, this unique old twenty-eight page technical brochure would display beautifully matted and framed. Awesome cover graphics. A fabulous addition to your retro petroleum industry library. (Catalog 51-52).