Popular Science L-8-5 (1949)

Popular Science L-8-5 (1949)

What's New in the World of Today and Tomorrow! 1949-06-17 United States of America 8 Min. PG-13
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Overview

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.