Across
- 3. Introduced in the 1830s, made of a small piece of wood dipped in sulphur
- 5. Kept food fresh longer by storing large blocks of ice to keep the food cool
- 8. a harvesting machine which quickly and efficiently cut down wheat
- 10. Combined cloth mechanically, the original version was improved by Isaac Singer
- 13. Different combinations of dots and dashes that represent the alphabet
- 14. The first full-sized commercial steamboat
- 15. Patented in 1849, it held clothing together without hurting the wearer
Down
- 1. Engine powered by steam
- 2. who invented the sewing machine?
- 4. A device that sent information over wires across great distances
- 6. Produced multiple cotton threads at once, was powered by water
- 7. Used a steel blade instead of iron to make plowing easier
- 9. Who is the inventor of morse code?
- 11. A small locomotive that nearly beat a horse-drawn railcar
- 12. who invented the steel plow?