THE ELEVATOR REVOLUTION

Elisha Otis came up with the idea that made elevators safe for people.

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Louis XV was lifted into the air by men pulling ropes.

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Warehouses in Otis' time used boxes to move their goods to different levels.

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Otis' boss wanted to move beds to a higher level for delivery.

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Otis made his springs out of plastic.

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The ratchets were located on the inside of the lift.

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If a rope became slack this activated the contraption.

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• FALSE

The US Assay Office building had its support structure on the outside.

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The Us Assay Office used a similar building technique to today's tall building.

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• FALSE

The writer believes that skyscrapers can help you find your way around a city.

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