inventions

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Across
  1. 4. Wireless technology linked to Guglielmo Marconi
  2. 6. Country where the oldest surviving photograph was taken
  3. 7. Device patented by Alexander Graham Bell
  4. 9. Surname of the creator of the raised-dot reading system
  5. 10. Country where the printing press originated
  6. 11. Country where Lego was first made
  7. 12. Invention associated with Thomas Edison
Down
  1. 1. Nikola ____: Developer of AC power systems and induction motor
  2. 2. Ada _______: Mathematician credited with the first computer algorithm
  3. 3. Company that developed many modern aircraft inventions
  4. 5. Flying machine created by the Wright brothers
  5. 6. Benjamin ______:inventor of bifcoals and a Founding Father
  6. 8. Last name of the inventor of the ball point pen