More Worlds to Conquer (1941)

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Produced by the Aluminum Company of America (Alcoa) in 1940 and released in 1941 , Unfinished Rainbows traces the history of aluminum in brief, dramatic episodes. It shows the challenges ... See full summary »

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Cast & Crew

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Jean Yarbrough


Leo S. Rosencrans

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Release Date:

8 December 1941



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