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THE SECOND AMERICAN INDUSTRIAL REVOLUTION
1865-1900
MATERIALS
Steel-made by purifying iron ore.
Bessemer Process-blast air into molten iron to burn off impurities (makes steel)
Expensive to purify
until the Bessemer Process
MATERIALS
Andrew Carnegie brought the Bessemer Process to America
Created U.S. Steel
Lowered the cost of steel from $100/ton to $12/ton in 1873
U.S.A. was built on steel (skyscrapers, railroads, bridges, etc)
TRANSPORTATION
RAILROAD AIRPLANES
Transcontinental Railroad 6 years to lay track from
San Francisco to Omaha Union Pacific started in
Omaha and headed west Central Pacific started in
SF and headed east Met near Ogden, Utah
Drove a golden spike to unite the tracks
Wright Brothers 1903- 1st powered,
sustained and controlled airplane flight
Kitty Hawk, NC
TRANSPORTATION
Automobiles Only affordable for
rich in early 1900s Henry Ford made
affordable for working class
Assembly line decreased cost .
Ford perfected the assembly line; he didn’t come up with the idea
ENERGY AND POWER
OIL ELECTRICITY
John D. Rockefeller Standard Oil Refined oil in Cleveland,
OH
Increase demand for oil in U.S. Cars Kerosene for lamps
Thomas Edison Invented the light bulb
Bamboo filament His invention changed
the way we live. How would your daily
life be different if you didn’t have electric lights?
COMMUNICATION
Telephone Invented by
Alexander Graham Bell
Obtained a patent in 1876
1st thing said on the phone, “Mr. Watson, come here”.