US History Ch 13.4
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US History Ch 13.4 Presentation Transcript

  • 1. U.S. History Chapter 13: Industrial Growth in the North Section 4: More Technological Advances
  • 2.  
  • 3. Messages by Wire
    • 1800: Alessandro Volta built the first battery
    Alessandro Volta
  • 4. Messages by Wire
    • André-Marie Ampère: determined the rules governing the relationship between electricity & magnetism
    André-Marie Ampère
  • 5. Messages by Wire
    • Samuel Morse : first to combine the battery, electromagnetism, the electromagnet and the correct battery configuration into a workable practical telegraph
    Samuel Morse
  • 6. Messages by Wire
    • Telegraph —sends pulses of electrical current through a wire
    Telegraph Key
  • 7. Messages by Wire Morse Code Diagram
  • 8.  
  • 9. Messages by Wire
    • 1844: First public test
  • 10.  
  • 11. Messages by Wire
    • First shown to work in the election of 1844
    • Sent info for businesses, government, newspapers, private citizens
    • Telegraph lines built alongside railroads
    • 1861: transcontinental line completed
  • 12.  
  • 13. New Factories
    • Start of Industrial Revolution most factories ran on water power
    • Steam-powered factories could be built anywhere
    • Northeast home of the nation’s industry
  • 14. New Factories
    • Factories build closer to cities
    • Closer to labor, transportation
    • People flock to cities for jobs
  • 15. Better Farm Equipment
    • John Deere: blacksmith who made a steel-bladed plow
    John Deere
  • 16. Original John Deere Plow
  • 17. Replica of John Deere Plow
  • 18. Better Farm Equipment
    • Cyrus McCormick : designed a mechanical reaper that cut down what quickly & efficiently
    Cyrus McCormick
  • 19.  
  • 20.  
  • 21. Better Farm Equipment
    • Opened a factory in Chicago using steam-power
    • Customer service
    • 1830: 20 hrs to cut one acre of wheat; reaper reduced to one hour
  • 22. Changing Life at Home
    • Elias Howe: invented the sewing machine
    Elias Howe
  • 23. Changing Life at Home
    • Isaac Singer: improved the sewing machine
    Isaac Singer
  • 24.  
  • 25. Changing Life at Home
    • Other improvements:
      • Iceboxes
      • Iron cookstove
      • Mass production of old items
      • Public water systems & indoor plumbing
      • Matches
      • Safety pin