The wheel
Text and pictures introduce the wheel, a simple machine used primarily to make it easy to move heavy loads.
| Main Author: | Armentrout, Patricia, 1960- |
|---|---|
| Format: | Books Print Book |
| Language: | English |
| Published: |
Vero Beach, FL :
Rourke Press,
1997.
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| Series: |
Simple devices
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| Subjects: |