Gilded Age Inventions

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Across
  1. 3. Wright brothers' invention that achieved powered flight
  2. 6. the first machine for recording and playing back sound
  3. 7. practical, long-lasting light invented in 1879
Down
  1. 1. a handheld box that came preloaded with a 100-exposure roll of flexible paper film
  2. 2. electric-powered transport system
  3. 4. "talking telegraph" patented by Alexander Graham Bell in 1876
  4. 5. first gas-powered vehicle for transport, invented in 1886