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The 10 inventions that changed the world

According to Carla Hayden, the U.S. librarian of Congress. The library keeps archives of many of America’s copyrights and blueprints, so National Geographic asked Hayden to list what she considers 10 of the most meaningful advances in history—the inventions and innovations responsible for the trappings of modern life.

  1. Printing press
  2. Light bulb
  3. Airplane
  4. Personal computer
  5. Vaccines
  6. Automobile
  7. Clock
  8. Telephone
  9. Refrigeration
  10. Camera

The article also has a gallery of illustrations from the patent documents of the inventions.

Camera patent

July 07, 2017 in Industry Commentary |

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