All changes to tower
| Date | Change | Source |
|---|---|---|
| 20 Jun 2015 | frame: truss,layout added | Mike Chester via e-mail |
| 6 Aug 2009 | 1-6: turning, frame id added; frame info added | Mike Chester via 00007993 |
| 1 Oct 2008 | Tenor note not F#; nominal F+37c | Andrew Higson via pNBR |
| 17 Jan 2008 | URL amended | Mike Chester email via e-mail |
| 29 Mar 2003 | URL modified (again) | Mike Chester via e-mail |