
Popular Science L-8-5
Popular Science L-8-5 na bombuj. 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.
- Žánre: Dokumentárny
- Krajina: United States
- Riaditeľ:
- Herci: Gayne Whitman, George Sperti,









