Items related to Making Machines with Screws (Raintree Perspectives:...

Making Machines with Screws (Raintree Perspectives: Simple Machine Projects) - Hardcover

 
9781406289299: Making Machines with Screws (Raintree Perspectives: Simple Machine Projects)

Synopsis

Looking back to the origins of screws in machines designed to press olives and raise water, this book explains how to create screws that make it possible to transport marbles along a tube and lift a plank of wood with just one finger. Age 7-9

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About the Author

Chris Oxlade is an experienced author of non-fiction books for children. He has written more than 200 titles on science, technology, sports and hobbies, from encyclopedia articles to fun activity books.

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