Thornhill-Craver Company 1947 vintage oil catalog oilfield equipment

<p>Original 1947 Oil and Gas trade vintage catalog for the&nbsp;<b><span style="font-size: 14px;">THORNHILL-CRAVER COMPANY, INC.</span></b>&nbsp;(Unibolt Division). Main office and plant was located at 1701 Lockwood Drive, Houston, TX.</p><p> Manufacturers of Oilfield Equipment. </p><p> Products include Unibolt Steel Couplings, Unibolt Malleable Couplings, Unibolt Flexi-Ball Joints, Unibolt Christmas Tree Fittings, Malleable Tees &amp; Crosses and&nbsp; Unibolt X Type Flow Beans are all fully featured.</p><p>The basic mechanical principle of all UNIBOLT Couplings is illustrated on page 3. This unique coupling consists of four main parts: A spherical holding member, or nut, with internal shelves; a plain hub; a seal ring which varies with the type coupling, and a lug hub with external shelves.<br></p><p>Has numerous product images, illustrations, description, application and specifications charts to provide product details.<br></p><p> Unbound from a large rare post-wartime 1946-1947 Catalog of Oil Field Equipment, this unique old twenty-four page technical brochure would display beautifully matted and framed. Awesome cover graphics. A fabulous addition to your retro petroleum industry library.&nbsp;Pages are loose and may contain residual glue on the edge. All pages have a creased corner. (Catalog D-46).</p>