inventions crossword

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Across
  1. 6. can make a lot of threads at one time
  2. 7. a system for transmitting messages
  3. 8. device that uses electricity to produce light
  4. 9. a device for communicating
Down
  1. 1. pulls seeds from cotton
  2. 2. it is self propelled
  3. 3. Thomas Telford and John McAdam invented this
  4. 4. described the improvements in iron and smelting
  5. 5. operated by mechanical or electric power
  6. 6. a boat driven by steam