Inventions in the 1920s (Canada)

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Across
  1. 1. A busy road with many lanes
  2. 4. Device used to communicate
  3. 5. Transport people across the sky
  4. 8. Allowed people to listen to recorded music
  5. 9. Early motion picture device
  6. 11. Machine with keys for producing alphabetical letters, numbers, and typographical symbols
  7. 13. Vehicle designed to travel on snow and ice
  8. 15. Device that helps navigators determine their position
  9. 20. Rail vehicle that transports passengers from an overhead wire power by electricity
Down
  1. 2. Vehicle used for personal use
  2. 3. Building with bright light that guides ships
  3. 6. Machine that creates power to perform work
  4. 7. Vehicle used for transporting many people on the ground
  5. 10. Lamp that uses glass tubes filled with a type of gas to produce a bright glow
  6. 12. Device that sends and receives sound messages
  7. 14. Watercraft used for personal means
  8. 16. Paper that is printed and handed out daily and weekly
  9. 17. Small aircraft that can be controlled remotely or be autonomous
  10. 18. Small,sturdy boat that is used to rescue people in danger at sea
  11. 19. A machine that cooks any food automatically