| Maker | William Rönnberg (1803-1889) |
| Dated/City | c.1834-45 / New York |
| Key/Pitch (MHz) | 5 keys Clarinet in Bb |
| Descriptions | Boxwood, Ivory ferrules, Original grenadilla wood mouthpiece, Five brass keys with flat, square key covers; springs attached to keys mounted in blocks. |
| Full Marking | ” (4 star motif) / RÖNNBERG / N.YORK / (4 star mtif) : upperjojnt, middle joint, and lower joint |
| Length | 650 mm. / 584 mm. (without mouthpiece) |
| Note: |