1. Cotton Gin - 1793 Inventor Eli Whitney Impact: Machine that quickly and efficiently removed the seeds from the cotton fiber. Machine that quickly and efficiently removed the seeds from the cotton fiber. Helped to expand slavery. Cleaning cotton was now inexpensive. Made cotton a cash crop. Helped to expand slavery. Cleaning cotton was now inexpensive. Made cotton a cash crop.

2. Interchangeable Parts – early 1800 Inventor Eli Whitney Impact: Identical machine parts could be put together to make a whole machine Identical machine parts could be put together to make a whole machine Helped in mass production Helped in mass production

3. Steamboat - 1807 Inventor Robert Fulton Impact: First steamboat was the Clermont. First steamboat was the Clermont. Allowed improved transportation of goods. Allowed improved transportation of goods.

4. Steam Engine

6. Steamboat New Orleans Vicksburg Memphis St. Louis

7. Erie Canal - 1825 Inventor DeWitt Clinton Impact: Atlantic Ocean now connected to Midwest. Atlantic Ocean now connected to Midwest. Lowered the cost of shipping goods. Lowered the cost of shipping goods.

9. Steam Locomotive - 1830 Inventor: Peter Cooper Impact: Helped to transform trade in the nation’s interior. Helped to transform trade in the nation’s interior. Important in the settlement and industrialization of the West. Important in the settlement and industrialization of the West.

11. Steel Plow - 1834 Inventor: John Deere Impact: Sturdier than the wood plow. Cut through hard packed soil of the prairies. Sturdier than the wood plow. Cut through hard packed soil of the prairies.

12. Mechanical Reaper - 1837 Inventors: John Deere and Cyrus McCormick Impact: Could now gather wheat by machine and not by hand. Farmers could grow more wheat. Could now gather wheat by machine and not by hand. Farmers could grow more wheat.

13. Mechanical Reaper

14. Telegraph - 1844 Inventor: Samuel Morse Impact: Allowed for faster communication over long distances. Morse code developed as a means of communication. Allowed for faster communication over long distances. Morse code developed as a means of communication.

15. Telegraph

16. Bessemer Steel Process – late 1800’s Inventor: Henry Bessemer Impact: Allowed steel to be made cheaply. Steel production soared. Allowed steel to be made cheaply. Steel production soared.

17. Sewing Machine/Textiles – Early 1800’s Inventors: Elias Howe and Samuel Slater Impact: Mass production of cotton textiles. Mass production of cotton textiles. Production of clothing on a mass scale. Production of clothing on a mass scale.