All changes to tower
| Date | Change | Source |
|---|---|---|
| 12 Oct 2019 | Tenor note & ring key nearer Bb than A (nominal: Bb-44c) S | TimJ (REMRKS246) via e-mail |
| 1-6: nominal added,note amended | Tim Jackson via e-mail | |
| 4 May 2005 | Exact tenor weight provided (previously 8cwt) | Chris Pickford (from Bowell's records) via e-mail |