forging

Machine Thinking tells the story of the Cold War Heavy Press Program, the giant forging presses that make parts for aircraft, missiles and turbines.

A 105-minute film of a West African smith family in Burkina Faso smelting iron from ore, from making charcoal and building the kiln to forging tools. It is a cultural recreation filmed for the camera, not current practice.

A US Air Force film on the Heavy Press Program, which built some of the world's largest metal forging and extrusion presses for aircraft, starting from German presses taken after WWII.