Fantastic Facts: Machines: A Fascinating Fact File and Learn-it-yourself Project Book (Fantastic Facts S.) - Softcover
Inhaltsangabe
Fantastic Facts Machines takes a look at the enormous variety of machines in a fact file illustrated with vibrant photographs, drawings, and diagrams, starting with basic levers and wheels, and coming right up to date with automatic and electronic machinery. Practical projects included to help you understand the principles that make them work.
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