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Across
  1. 4. Edison's first wife
  2. 6. Problem he had
  3. 9. An early motion picture device
  4. 10. Instrument for reproducing sounds
  5. 11. Telegraph that sends two messages in each direction
  6. 12. A device that takes pictures
  7. 14. Edison’s first name
Down
  1. 1. Edison's second wife
  2. 2. A telegraph that sends one message in each direction
  3. 3. Where Edison died
  4. 4. The code of telegraphs
  5. 5. A glowing bulb
  6. 7. Inventors are often called this type of smart
  7. 8. Something Edison always did
  8. 13. Where Edison was born