Technology in the 1920s

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Across
  1. 2. used to wash clothing and other materials
  2. 4. phones that had a separate mouthpiece and receiver
  3. 7. used to store food to prevent from getting spoiled
  4. 10. helped send mail to northern parts of Canada
  5. 13. was actually invented in the late 1800s but gained popularity in the 1920s
  6. 14. A series of workers and machines in a factory by which a succession of identical items is progressively assembled.
  7. 15. Canadian broadcasting network
  8. 16. Still used today to puree foods
  9. 18. Used to toast food items
  10. 19. a device that operated by a rotary dial
Down
  1. 1. One of the first movies with sound content released in the 1920s
  2. 3. The production of large quantities of a standardized article by an automated mechanical process.
  3. 5. A way to contact others who didn't live in one home
  4. 6. used to plow fields.
  5. 8. earliest form of now-called “car”
  6. 9. People used it to listen to music
  7. 10. used to stop infection through cuts
  8. 11. Source of entertainment
  9. 12. equivalent to modern day street cars
  10. 17. a popular car in the 1920s