Name: Watch Popular Science L-8-5
Uploaded: 1949-06-17
Duration: 8 min
Description: 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

Watch Popular Science L-8-5 | Where To Watch