| Maker | Theodore Berteling (1821/22-1890)
Boston: 1855-59 / New York: 1859-1920 |
| Dated/City | c.1855-1859 / Boston |
| Key/Pitch (MHz) | 13 keys Clarinet in Bb |
| Descriptions | Grenadilla, Ivory ferrules, Original grenadilla wood mouthpiece, Thirteen German Silver keys with modern pad cup; springs attached to keys mounted on pillars. |
| Full Marking | ” T. BERTELING / BOSTON ” – Barrel, upper joint, lower joint, and bell |
| Additional Marking | |
| Length | 650 mm. / 575 mm. (without mouthpiece) |
| Note: |
