Across
- 4. Jenny,A machine that could spin several threads at once
- 5. Plow Made ,farming more efficient because it cut through the soil quicker
- 6. Parts,Identical components that can be used in place of one another in manufacturing
- 7. device that used electrical signals to send messages quickly over long
Down
- 1. Reaper,A device that cuts grain
- 2. keyboard machine for writing mechanically in characters resembling print.
- 3. Clipper,Fast, multi-masted sailing ship. Used by U.S. merchants for trans-Pacific trade.
- 4. Engine,an engine that uses the expansion or rapid condensation of steam to generate power.