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Inventions 1866: Transatlantic cable allowed for messages to be sent overseas in minutes 1900: cables linked all continents global communication internationalized markets & prices New inventions became essential tools for business: EdisonWestinghouse Voting machine 1 st modern research lab Phonograph Lamp (lightbulb) Mimeograph machine Motion picture camera Air brake for railroads High-voltage transformer lighting of cities, streetcars, subways