All changes to tower
| Date | Change | Source |
|---|---|---|
| 30 Oct 2017 | 2-6: canon info added; frame: material,truss added | Chris Pickford via 00012533 |
| 24 Nov 2016 | Tenor note not A (nominal: Ab-2c) | Dave Kelly tonal analysis via pNBR |
| 1-6: frameid added; frame info added | John Baldwin via database | |
| 1,2,4,6: nominal added; 3,5: nominal amended | David Kelly via e-mail | |
| 25 Jan 2004 | URL changed | Gary J Sheppard: SDGR webmaster via e-mail |
| 8 Jan 2004 | URL added | Gary J Sheppard: SDGR webmaster via e-mail |