wheel and axle: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Add new Web site: Quatr.us - Wheel and Axle. | Apr 22, 2016 | ||
| Added new Web site: Utah State Office of Education - Wheel and Axle. | May 19, 2008 | ||
| Added new Web site: The Franklin Institute - Resources for Science Learning - Simple Machines. | Apr 30, 2007 | ||
| Added new Web site: The Franklin Institute - Resources for Science Learning - Simple Machines. | Apr 30, 2007 | ||
| Article added to new online database. | Jul 20, 1998 |
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