| Name | Elström motor |
| Type | Practical DC motor |
| Usage | Factory machinery • Electric vehicles |
| Status | Replaced by newer motor designs |
| Context | Early electric machinery |
| Features | Efficient design • Versatile applications |
| Inventor | |
| Advantage | Enabled spread of electric transport in 1840s-50s |
| Competition | Brushless motors • Steam-powered alternatives |
| Invention date | 1820s |
