Rice Bowls To Rockets

Duration: 27 min

Year Published: 1960

Creator: Gray And Ductile Iron Founders Society

Format: 16mm

Color: Color

Sound: sound

Description: Presents the history of a unique engineering material with varying characteristics and properties. Shows uses in ancient China down to applications essential today and explains why gray iron might be called the hidden metal.

Metadata Source:Educational film guide. Supplements (1959-62)