| Rating | Solver | Clue |
|---|---|---|
| MOOG | Keyboard instrument | |
| CELESTE | Keyboard instrument | |
| HARMONIUM | Keyboard instrument | |
| PAINO | Keyboard instrument | |
| CELESTA | Keyboard instrument | |
| HARPSICHORD | Keyboard instrument | |
| SPINET | Keyboard instrument | |
| ORGAN | Keyboard instrument | |
| PIANO | Keyboard instrument | |
| CLAVICHORD | Early keyboard instrument | |
| MUFFLER | A cushion for terminating or softening a note made by a stringed instrument with a keyboard. | |
| HARMONIPHON | An obsolete wind instrument with a keyboard, in which the sound, which resembled the oboe, was produced by the vibration of thin metallic plates, acted upon by blowing through a tube. | |
| TYPEWRITER | ...typewheel, or the like, in which the operator makes use of a sort of keyboard, in order to obtain printed impressions of the characters upon pap... | |