Inventions

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Across
  1. 2. Alexander Fleming invented this in 1929
  2. 4. who invented the nuclear bomb
  3. 6. what is the surname of the man who invented the biro pen
  4. 8. What was invented 3500bc that revolutionised transport
  5. 9. Leo Baekeland invented what
  6. 10. what is the scientific name of the species that invented boats
  7. 12. the discovery of the revolutionised cooking
  8. 13. james Spangler sold his idea for what household invention
  9. 15. this invention is synonymous with the Wright brothers
  10. 16. Josephine Garis Cochran invented what
  11. 18. developed by the ancient romans to help build structures
  12. 20. what did Karl von Drais invent
  13. 21. this ceo announced the iPhone
  14. 22. what country does golf originate
  15. 23. who invented the first gasoline powered car
Down
  1. 1. what is Nikola Tesla credited with proposing and inventing
  2. 3. Major Walter Clopton Wingfield introduced what sport
  3. 5. which spirit is believed to come from Barbados
  4. 6. Jaap Haartsen invented what wireless communication
  5. 7. who invented the microwave oven
  6. 10. where does the cocktail umbrella originate
  7. 11. Alexander Graham bell invented what?
  8. 14. Thomas (surname?) invented the lightbulb
  9. 17. what nation won the space race
  10. 19. invented in China to aid navigation