Original 1984 Oil and Gas trade vintage catalog for GYRODATA, INC. Main office and plant was located at 1682 West Belt North, Houston, TX.

Manufacturers of Gyrodata Wellbore Surveyor. An advanced directional survey system using aerospace sensors and solid-state electronics for precise, reliable trajectory definition.

Unbound from a large 1984-1985 Composite Catalog of Oil Field Equipment and Services, this unique old one page technical brochure would display beautifully matted and framed. Nice graphics. A fantastic addition to your retro petroleum industry library.