Original 1974 Oil and Gas trade vintage catalog for HUMPHREY, INC.  Main office and plant were located at 9212 Balboa Avenue, San Diego, CA. Also located in Wichita, KS. and Philadelphia, PA.

Manufacturers of Oilfield Equipment. 'GyroSURVEYOR BOREHOLE SYSTEMS'.

'Humphrey, Inc. is a recognized leader in the design and manufacture of electromechanical instruments and inertial reference systems, extending to a complete line of borehole equipment that makes possible more accurate surveying to cut drill rig downtime. The gyroSURVEYOR line includes complete systems ready for field use, wireline or self-contained recording systems, ruggedized small-diameter directional gyros, inertial reference probes, surface consoles (including field computer consoles), power supplies and all accessories required for Borehole Surveying'.

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

Unbound from a large rare 1974-1975 Composite Catalog of Oil Filed Equipment and Services, this unique old eight-page technical brochure would display beautifully matted and framed. Awesome cover graphics. A fabulous addition to your retro oilfield petroleum industry library.