3rd hour-industry and technology of the North

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Across
  1. 3. something construction crews worked on in the 1800s
  2. 4. Invented the steel tipped plow
  3. 5. invented the sewing machine
  4. 8. Invented the first steam locomotive
  5. 9. Steam engine locomotives that travel on railroads for transportation
Down
  1. 1. They connected all the major cities.
  2. 2. is an apparatus that used electric signals to send messages.
  3. 3. They are sailing shops with sleek sides and tall sails.
  4. 6. The easiest way for transportation down a river or canal.
  5. 7. a code that includes a series of dots and dashes that represent letters of the alphabet or numbers.