| Answer | Crossword Clue |
|---|---|
| ORGAN | Relative of a harmonium. |
| symphonion | a combination of piano and harmonium |
| symphonions | SYMPHONION, a combination of piano and harmonium |
| seraphine | a kind of small reed organ or harmonium |
| seraphines | SERAPHINE, a kind of small reed organ or harmonium |
| melodeons | A small organ popular in the 19th century, similar to the harmonium |
| harmoniums | HARMONIUM, a keyboard instrument in which reeds are made to vibrate by air from a pedal-operated bellows |
