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Cover of This is the way it works

This is the way it works

a collection of machines

by Robert Gardner, Robert Gardner

Medical instruments and apparatusJuvenile literatureMachineryElectric apparatus and appliancesElectric apparatus and appliances, juvenile literatureMachinery, juvenile literature

Explains the mechanisms of such machines as the iron lung, the incandescent light bulb, a zipper, and a roller coaster.

Writing a summary for young readers…

For young readers

Book data: Open Library