bearing ores

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Filmography in the catalog

Credited on 1 film (1947) — matched by name in the Creator or Credits field. Also mentioned in 52 other records (descriptions, transcriptions, copyright notes).

Year ▲	Title	Creator	Length	Format	Color	Sound
1947	RES 217	bearing ores; mining community; mining ore, transporting to mill, smelting ore to produce zinc oxide and metallic zinc; industrial uses recovering by-products; of zinc oxide and metallic zinc. Animated diagrams. (30 minutes),.. 17 The Zipper Fleet U.S. Department of the Navy	10 min	16mm