Invention E

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Across
  1. 3. Wilson Greatbatch's life-saving invention for regulating heart rhythms
  2. 5. Antonie van Leeuwenhoek's development of powerful lenses for magnifying tiny objects
  3. 6. Guitar Les Paul's influential design for the modern electric guitar
  4. 7. Evangelista Torricelli's invention for measuring atmospheric pressure
  5. 10. Clock Christiaan Huygens' innovation in timekeeping with improved accuracy
Down
  1. 1. Sir David Brewster's optical invention creating colorful and symmetrical patterns
  2. 2. Frank J. Zamboni's ice resurfacer used in ice rinks
  3. 4. Louis Daguerre's contribution to capturing and preserving images
  4. 8. Sir Robert Watson-Watt's invention crucial for detection and tracking in aviation
  5. 9. Richard James' accidental invention that became a popular toy