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Popular Science L-8-5

1949 0h 8m ★ 10/10 Documentary

Gigantic machine combs beach in southern California and retrieves articles lost in sand; synthetic gems made by new chemical process; aviation school holds classes in grounded transport plane; how seaweed is processed for scientific use.

Cast

Gayne Whitman

Gayne Whitman

Self (Voice)

👤

George Sperti

Self

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