All changes to tower
| Date | Change | Source |
|---|---|---|
| 8 Oct 2019 | 1-8: partials added | Tim Jackson via e-mail |
| 10 Jun 2019 | Tenor note and ring key not A (nominal Bb-37c) S | N Bowden (S Edwards) via pNBR |
| 1-8: nominal added | Nick Bowden via 00013450 | |
| 30 Jan 2019 | 1,2: diam added | David Sloman via 00013265 |
| 8 May 2012 | 1-8: frame id added; frame info added | John Baldwin via database |
| 5 Jan 2004 | URL amended | Dickon Love via e-mail |