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The Elevator (Inventions That Changed Our Lives)
The Elevator - Inventions That Changed Our Lives
Author: Barbara Ford
Discusses the basic principles of the elevator, the relationship between the skyscraper and the elevator, how heavy weights were lifted in ancient times, and the computerized elevators with "brains".
ISBN-13: 9780802764508
ISBN-10: 0802764509
Pages: 64
Reading Level: Ages 9-12
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Publisher: Walker & Company
Book Type: Hardcover
Members Wishing: 0
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