Original 1972 Oil and Gas trade vintage catalog for HUMPHREY, INC.  Main office was located at 2805 Canon Street, San Diego, CA.

Manufacturers of Oilfield GyroSurveyor Borehole Systems. Borehole Survey Systems.

Products include Directional Gyros, Inertial Reference Probes, Control Consoles, Wireline Systems and Tape Recording Systems, all are fully featured.

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

Unbound from a large rare 1972-1973 Composite Catalog, this unique old eight-page technical brochure would display beautifully matted and framed. Nice cover graphics. A fabulous addition to your retro oilfield petroleum industry library.