Metal Spoke Machine

Thursday, March 13th, 2008 at 11:34:36 AM · Photo Archive/2008/caltech_plasma

A large metal spoke sits in a machine at the Caltech plasma factory building in 2008, showcasing the unique architecture and engineering of the equipment used to create advanced alloys and wheels for transportation vehicles. Rust and corrosion can be seen on the surface, giving the metal a weathered look.