Original 1942 Oil and Gas trade vintage catalog for HOPPER MACHINE WORKS, INC.  Main office and plant were located in Bakersfield, CA.

Manufacturers of Oilfield Drilling Equipment. 'Portable Drilling and Well Servicing Units'.

Products include Lubrication & Brake Cooling Systems, Friction Rotary Drives, Drilling Transmissions, 'Blitz-Rig' with Telescoping Mast, Portable Hoists, Drilling Units and Draw Works, all are fully featured.  Also includes Design & Operation of Hoisting Units, Drums, Hoisting & Sand Reels, Friction Cone Clutch and Brakes.

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

Unbound from a large rare 1942 Composite Catalog, this unique old twenty-page technical brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro oilfield petroleum industry library. (Catalog 42).