16mm Filmography
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Mining and Smelting of Copper

Duration: 22

Year Published: 1930

Creator: Encyclopaedia Britannica Educ Corp

Format: 16mm

Color: B&W

Description: Shows the physical properties of copper, open-pit mining, steps in purification, and the smelting process.

1 user has this film:
Indiana University Library Moving Image Archive

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Original permalink · Record added: 2024-04-22 13:39:20