All About Gears and Machines
Websites compiled by Sue LeBeau
About Gears and Machines
Simple and Complex Machines
Simple Machines
Soda Constructor
Levers: Simple Machines
On-Line Exhibit of Simple Machines
More on Simple Machines
The Inventor's Toolbox: Machines
Science of Simple Machines
Rockets on Wheels
Marvelous Machines
How Gears Work
The Science of Gears
Work is Simple With Simple Machines
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