COPPER LEACHING & CONCENTRATION
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Produced by Phelps Dodge corporation. A 1-reel film illustrating operations in the preparation of copper ore for the smelter. Crushers, ball mills, belt conveyors, classifiers, and the operation of flotation cells are graphically shown. School management.
Complete catalog record
Dewey number: 669.3
Audience level: jh-sh-c-trade-adult
Format/cost: 16-sh-c-trade-adult
Distributors / rental: Not shown in source
Audience level: jh-sh-c-trade-adult
Format/cost: 16-sh-c-trade-adult
Distributors / rental: Not shown in source
Sources
- Educational Film Guide 1946 — title, year, creator, length, format, description, catalog record
Record added 2026-07-02 14:20:02