| Type | Electro-mechanical musical instrument |
| Legacy | Contributed to the evolution of modern electronic instruments and automation |
| Inventor | Carl Czerny |
| Capabilities | Play various instruments simultaneously |
| Significance | Milestone in the development of electronic musical instruments and automation technologies |
| Main components | Mechanical instruments • Electromagnetic switches • Rotating pegs |
| Date of invention | 1820 |
| Place of invention |
