Who Invented It Crossword Puzzle

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Across
  1. 5. Loom (1801)
  2. 6. Sewing machine for shoemaking (1858)
  3. 8. Braille writing system for the blind (1824)
  4. 9. Rapid freezing of food (about 1924)
  5. 12. Pasteurization (1863)
  6. 13. Sewing machine (1845)
  7. 16. Wrinkle-free cotton (late 1950s-1960s)
  8. 18. Airplane (1903)
  9. 20. Automobile assembly line (1913-14)
  10. 21. Electric lightbulb (about 1879)
  11. 22. Reflecting telescope (1668)
  12. 24. Dynamite (1867)
  13. 26. Method of evaluating health of newborns (1952)
  14. 27. Telephone (1876)
  15. 28. Jet engine (1937)
  16. 29. Polio vaccine (1952-55)
  17. 30. Air-filled rubber tire (1887)
  18. 32. Revolver (1835)
  19. 35. Wooden clock (1753)
Down
  1. 1. Facebook (2004)
  2. 2. Air conditioning (1902)
  3. 3. Printing press (about 1450)
  4. 4. Apple II personal computer (1977)
  5. 7. All-steel one-piece plow (1838)
  6. 10. Kodak camera (1888)
  7. 11. Cotton gin (1793)
  8. 14. Electric guitar (1948)
  9. 15. Bifocals (1784)
  10. 17. Diesel engine (1892)
  11. 19. Penicillin (1928)
  12. 23. Basketball (1891)
  13. 25. Patent leather (1818)
  14. 31. Electric telegraph (1837)
  15. 33. Automobile with an internal-combustion engine (1885)
  16. 34. Saxophone (1842)