LEAD MILLING, SMELTING AND REFINING

Duration: 34 min

Year Published: 1940

Creator: United States Department of Interior, Bureau of Mines

Format: 16mm

Sound: Sound

Description: Sponsored by St Joseph lead company. "Depicts the steps and processes for converting the mined lead into useful and marketable products." California. "Very technical." Collaborator.

Complete Record: Dewey number: 669.4 Audience level: sh-c-trade Format/cost: 16-sd-loan Distributors / rental: Not shown in source

Metadata Source:Educational Film Guide 1946