Inventions and New Technology

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Across
  1. 3. African-American scientist who promoted crop diversification
  2. 5. Inventor who developed alternating current electricity
  3. 6. Machine used by newspapers to set type efficiently
  4. 7. Company that made portable cameras widely available
  5. 10. African-American inventor who improved carbon filaments for lamps
  6. 11. Early communitcation system using Morse code signals
  7. 14. Edison’s invention that brought electric light to homes.
  8. 15. Event in 1876 where Bell demonstrated the telephone.
  9. 18. Device used to transmit voices over wires
  10. 19. Bell’s company that operated long-distance telephone lines.
  11. 20. Inventor known as the “Wizard of Menlo Park.”
Down
  1. 1. Edison’s invention that played recorded sound.
  2. 2. Scottish inventor of the first practical telephone
  3. 4. Electric power system that can travel long distances.
  4. 8. Crop made profitable through Carver’s inventions
  5. 9. Industrialist who promoted Tesla’s alternating current.
  6. 12. Edison's invention that launched the silent-film industry.
  7. 13. Legal right to make or sell an invention.
  8. 16. Location of Edison’s first research laboratory
  9. 17. Machine used for typing letters quickly