Chapter 19 Section 1

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Across
  1. 2. brothers who built a lightweight airplane
  2. 5. exclusive rights to make or sell inventions
  3. 6. an inventor who was interested in electricity
  4. 7. period of rapid growth in U.S. manufacturing in the late 1800s
Down
  1. 1. a way to manufacture steel quickly and cheaply
  2. 3. first to implement the moving assembly line in manufacturing
  3. 4. inventor who patented the telephone