Across
- 3. Samuel Morse made this
- 6. Produces threads very fast
- 9. main transportation and trading
- 10. Produces steel
- 11. the things trains drive on
- 12. Carried from New york to Albany
Down
- 1. Earliest invention made
- 2. Horse powered that mowed wheat
- 4. The idea of using the same part
- 5. best ships used for people
- 7. Major mills
- 8. Steel that pushed through dirt