True False

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

• True

• False

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

• True

• False

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

• True

• False

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

• True

• False

Otis made his springs out of plastic.

• True

• False

The ratchets were located on the inside of the lift.

• True

• False

If a rope became slack this activated the contraption.

• True

• False

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

• True

• False

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

• True

• False

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

• True

• False