COPPER REFINING
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Produced by Phelps Dodge corporation. A 1-reel film showing the conversion of anodes into cathodes of virtually pure copper by the electrolytic process in a large refinery that treats 8,000 tons of anodes each month. School life.
Complete catalog record
Dewey number: 669.3
Audience level: jh-sh-c-trade-adult
Format/cost: 16-si-loan
Distributors / rental: Not shown in source
Audience level: jh-sh-c-trade-adult
Format/cost: 16-si-loan
Distributors / rental: Not shown in source
Sources
- Educational Film Guide 1946 — title, year, creator, length, format, sound, description, catalog record
- 3434 U.S. Government Films — title, year, creator, length, format, sound, description, catalog record
Record added 2026-07-02 14:20:02