All changes to tower
| Date | Change | Source |
|---|---|---|
| 1 Dec 2021 | 1-6: nominal added. Key amended from F. | Nigel Taylor's personal tuning records via D Sloman |
| 4 Jul 2011 | fr: date added | Chris Pickford via e-mail |
| 3 Jul 2011 | 1-5: wt added; 1-6: diam amended, canon info, turning added | Nick Bowden via 00009472 |
| 19 Jul 2010 | 1-6: frame id added; frame info added | James Clarke via e-mail |
| 22 Apr 2008 | PN info added | Mrs M Wills via e-mail |
| 11 Jun 2006 | Tenor wt not ~14cwt in F# | Nick Bowden (ref: RW2006/p559) via e-mail |