| Maker | Firth Pond & Co.
John Firth (1789-1864), Billings Pond (1792-1871) |
| Dated/City | c.1847-48/ New York |
| Key/Pitch (MHz) | 12 keys Clarinet in C |
| Descriptions | Rosewood, German Silver ferrules, Original grenadilla wood mouthpiece, twelve German Silver keys with flat round key covers; springs attached to keys mounted in blocks. |
| Full Marking | ” FIRTH POND & CO / 547 BROADWAY / N – YORK / GERMAN SILVER / C ” : upper joint |
| Additional Marking | ” FIRTH POND & CO / N – YORK / C “: barrel, upper joint, middle joint, and lower joint, and bell |
| Length | 590 mm. / 530 mm. (without mouthpiece) |
| *Note: |
