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US History Chapter 7
7.2 Advances in Technology
| Term | Definition |
|---|---|
| Samuel F. B. Morse | invented the telegraph |
| Industrial Revolution | period of social and economic change in which production of goods by hand was replaced by machinery |
| factory system | system in which machines are housed in buildings and are owned by one or several people who purchase all the machinery and resources and receive the profits, where workers do no need to be highly skilled |
| Samuel Slater | apprentice in an English textile mill |
| interchangeable parts | standardized, identical, machine-manufactured parts which made mass production and replacement of parts easier |
| labor unions | organized groups of workers that were formed to obtain better working conditions and higher pay |
| John Deere | designed and improved the plow |
| Cyprus McCormick | received a patent for a reaping machine that allowed for a man to cut and stack 10-12 acres' of grain |
| Eli Whitney | inventor of the cotton gin |
| cotton gin | a machine invented by Eli Whitney containing a series of metal teeth mounted on rollers that separated the cotton from the seeds fifty times faster than manual labor |
| Pony Express | mail delivery system from Missouri to California using a relay of riders on horseback |
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