Invention D

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Across
  1. 1. Louis Daguerre's contribution to capturing and preserving images
  2. 2. Alfred Nobel's explosive invention used in construction and mining
  3. 5. Guglielmo Marconi's pioneering work in wireless communication
  4. 6. Karl Drais' early version of the bicycle
  5. 7. Richard James' accidental invention that became a popular toy
  6. 9. Evangelista Torricelli's invention for measuring atmospheric pressure
Down
  1. 1. Clock Christiaan Huygens' innovation in timekeeping with improved accuracy
  2. 3. Sir David Brewster's optical invention creating colorful and symmetrical patterns
  3. 4. Antonie van Leeuwenhoek's development of powerful lenses for magnifying tiny objects
  4. 8. Engine James Watt's revolutionary invention that powered the Industrial Revolution