Inventions & discoveries: E
5 inventions and discoveries
| Invention or discovery | Date | Inventor or discoverer | Type |
|---|---|---|---|
| E-graph | 1980 | Charles Gregory Nelson | — |
| Eaton-Moog Multiple-Touch-Sensitive keyboard | 1992 | John Eaton | electronic musical instrument |
| Electromechanical organ | 1930 | Laurens Hammond | — |
| Emoji | 1999 | Shigetaka Kurita | notation |
| Euler's disk | 1990 | — | — |