AP U.S. History / Unit 6: Period 6: 1865–1898
6.5 Technological Innovation
Notes
New technology: the Bessemer process (steel), electricity (Edison), the telephone (Bell), and railroads. Mass production lowered costs and transformed daily life.
Practice
The Bessemer process made it cheaper to produce:
Railroads and skyscrapers.
Thomas Edison is known for developing:
Light bulb and power systems.
Steel made it possible to build:
Strong, cheap material.
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