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.
Genre: Documentary
Actor: Gayne Whitman, George Sperti
Director: N/A
Country: United States of America
Quality: SD
Duration: 8m
Release: 1949
IMDb: N/A