
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.
Popular Science L-8-5 was released in 1949.
Popular Science L-8-5 has a runtime of 8min.
Popular Science L-8-5 stars Gayne Whitman and George Sperti.
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