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February 28, 2015

Homework Help: Physics - Modern Society

Posted by Shaila on Wednesday, August 11, 2010 at 6:01am.

By the mid-1800s, steam driven elevators with counterweights had been developed. However, they were not in common use until 1852, when Elisha Otis invented an elevator from falling if the cable broke. How do you think that the invention of a safe elevator changed the modern society?

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