Inventions 1930-1960

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Across
  1. 4. This vehicle goes outside Earth's atmosphere
  2. 6. Synthetic polymers composed of polyamide
  3. 9. Helps regulate the heart's rhythm
  4. 11. This toy is made of a flexible metal wire coiled into a helical spring shape
  5. 12. Controls current or voltage flow
  6. 13. Used by ships
  7. 14. This non-stick coating material is commonly used on cookware
  8. 15. You scan this
Down
  1. 1. Plastic food storage containers
  2. 2. What you use before lace up shoes
  3. 3. " " pen
  4. 5. Screen with moving pictures
  5. 7. Cooks your hot pockets
  6. 8. This company introduced the first commercially successful automatic copier
  7. 10. Emits a concentrated beam of light