Famous Inventions and Inventors Crossword Puzzle

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Across
  1. 2. inventor of the first practical sewing machine (6 letters)
  2. 3. The inventor of the light bulb (6 letters)
  3. 6. The inventor of the first practical mechanical calculator (5 letters)
  4. 7. The inventor of the printing press (7 letters)
  5. 8. The inventor of the modern computer (5 letters)
Down
  1. 1. The inventor of the internet (4 letters)
  2. 4. The inventor of the first successful practical camera (7 letters)
  3. 5. The inventor of the steam engine (4 letters)