The invention of everyday objects

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Across
  1. 1. George Cayley
  2. 5. power
  3. 6. Electrics Model 302
  4. 7. system of modular furniture
  5. 9. Institute
  6. 10. engineer
  7. 13. Company
  8. 17. of ARPANET
  9. 18. of electricity
  10. 20. of farming tools
Down
  1. 1. Research Projects
  2. 2. industrial
  3. 3. ray
  4. 4. adoption of electronics
  5. 8. production
  6. 11. workable prototype for the Internet
  7. 12. Wars
  8. 14. Empire
  9. 15. technologies
  10. 16. pieces of metal
  11. 19. Department of Defense