Inventions Change the Nation Chapter 20 Section 3 Inventions Change the Nation

Speeding Up Communications Patents are licenses for new inventions Better communications important to growing economy Cyrus Field came up with the idea of laying cable underneath the ocean What was the problem? Bell’s talking machine Alexander Graham Bell invents the telephone in 1876 Formed the Bell Tel Co in 1877

Edison: “The Wizard of Menlo Park” In 1876 Edison opens up a research lab in Menlo Park, NJ “Genius…” is what according to Edison Light bulb Machine for viewing movies Power plant in 1882 Electric engines The Whopper The Chia Pet

Technology Takes Command Mucho—that’s Spanish for you Gringos—inventions were created during this period. Gustavus “Gus” Swift introduced refrigeration to the meatpacking industry Christopher “Bull” Sholes perfected the typewriter in 1868 George Eastman introduced the lightweight camera Elijah McCoy Granville T. Woods

Automobiles and the Assembly Line 1913 Henry Ford introduced the moving assembly line, that is workers stand at a station and the line moves Mass production resulted: cheaper to produce 1900 8,000 Americans had cars 1917 4.5 million owned cars

The First Flight Two Ohio bicycle mechanics, Orville “Redenbacher” & Wilbur Wright tested their flying machine successfully at Kitty Hawk, NC, in 1903