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20 March, 16:08

What impact do you think the safety elevator had on population growth in cities?

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  1. 20 March, 16:56
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    Riding in an elevator used to be dangerous business - until Elisha Otis, of Otis Elevator Company fame, invented a device that could prevent a passenger elevator from falling if its rope broke. It debuted precisely 160 years ago at the E. V. Haughwout and Company store in Manhattan on March 23, 1857
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