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Syndicate
| Simple Machines |
Type |
|---|---|
| Differential Diagram | Image |
| Sumerian Potter's Wheel | Image |
| Yoked oxen | Image |
| Horse Collar | Image |
| Spanish Bartons | Image |
| Archimedes screw | Image |
| gears | Image |
| plow roman | Image |
| Zoll Pacemaker | Image |
| plow Egypt 1920 BC From a tomb at Beni Hasan | Image |