CHAPTER 12:    The North        Section 4:More Technological Advances
COMMUNICATION 1832 Samuel F.B. Morse inventedthe telegraph
COMMUNICATION• Much faster communication
How the Telegraph Worked   KEY                  KEY             LINESOUNDER                SOUNDER Station 1          Stat...
COMMUNICATION Morse Code used on telegraph • Combination of dots and dashes
COMMUNICATION Lines strung along the railroads
Telegraph Offices
FARM EQUIPMENT John Deere designed a plow with asteel blade
John Deere Plow
FARM EQUIPMENT• Tough sod on the western prairiecould now be farmed
John Deere Factory
FARM EQUIPMENT Cyrus McCormick developed amechanical reaper
McCormick’s  Reaper
FARM EQUIPMENT • Easier harvesting of wheat Used advertisements Sold on credit
IMPROVING LIFE       AT HOME Isaac Singer developed the sewingmachine
IMPROVING LIFE      AT HOME Other inventions  Icebox  Stove
12 4 more technological advances
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12 4 more technological advances

  1. 1. CHAPTER 12: The North Section 4:More Technological Advances
  2. 2. COMMUNICATION 1832 Samuel F.B. Morse inventedthe telegraph
  3. 3. COMMUNICATION• Much faster communication
  4. 4. How the Telegraph Worked KEY KEY LINESOUNDER SOUNDER Station 1 Station 2
  5. 5. COMMUNICATION Morse Code used on telegraph • Combination of dots and dashes
  6. 6. COMMUNICATION Lines strung along the railroads
  7. 7. Telegraph Offices
  8. 8. FARM EQUIPMENT John Deere designed a plow with asteel blade
  9. 9. John Deere Plow
  10. 10. FARM EQUIPMENT• Tough sod on the western prairiecould now be farmed
  11. 11. John Deere Factory
  12. 12. FARM EQUIPMENT Cyrus McCormick developed amechanical reaper
  13. 13. McCormick’s Reaper
  14. 14. FARM EQUIPMENT • Easier harvesting of wheat Used advertisements Sold on credit
  15. 15. IMPROVING LIFE AT HOME Isaac Singer developed the sewingmachine
  16. 16. IMPROVING LIFE AT HOME Other inventions  Icebox  Stove

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