Alphabet— Transport Machines
InventTable — ALPHABET ERA — Transport Machines
| Invention | Description | Year | Inventor | Country |
| Early saddle | cloth pad | 700 BCE | Assyria | |
| Toe stirrup | leather strap for big toe | 200 BCE | India | |
| Lateen sail | triangular cloth sail for tacking | 500 BCE | Greece | |
| Metal rimmed wheel | spoked | 500 BCE | Celtic (UK) | |
| Framed true saddle | 200 BCE | China (62) | ||
| Astrolabe | navigation device | 150 BCE | Hipparchus of Nicaea | Rhodes, Greece |
| Wheelbarrow | 100 BCE | Zhuge Liang | China | |
| Horse shoe | iron | 100 AD | Rome | |
| Horse collar | 250 AD | China | ||
| Metal stirrups | 250 AD | China (62) | ||
| Paddle wheel boat | design in mechanical treatise | 450 AD | Vitruvius | Rome |