Inventions and Technologies

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Across
  1. 2. communication system that sends information by making and breaking an electrical connection
  2. 6. machine for cleaning cotton of its seeds (2 words)
  3. 7. Machine that uses steam for power (2 words)
  4. 9. a spinning machine powered by water that produced a cotton yarn suitable for warp (lengthwise threads)(2 words)
  5. 11. a current that passes that makes machines work and turn on lights
  6. 12. a metal-making technology used to create wrought iron or steel (2 words)
Down
  1. 1. a mechanism that marks the passing of time (2 words)
  2. 3. a self-propelled vehicle that runs on rails and is used for moving railroad cars
  3. 4. Machine for weaving cloth faster (2 words)
  4. 5. machine that made spinning thread faster (2 words)
  5. 8. a machine with a mechanically driven needle for sewing or stitching cloth (2 words)
  6. 10. a boat-shaped device that holds a bobbin of weft thread (2 words)