All changes to tower
| Date | Change | Source |
|---|---|---|
| 20 May 2014 | Fr: truss,layout added | Mike Chester via e-mail |
| 2 Nov 2012 | Svc: founder amended | Peter Dyson via e-mail |
| 7 Mar 2010 | 1-3: turning, frame id added; 2: canon info added; | Mike Chester via 00008528 |
| Frame info added (historically important) | Mike Chester via 00008528 | |
| 30 Jun 2003 | Anti-clockwise added | Tim Jackson#47 via e-mail |
| 6 Apr 2003 | Tenor note: G-14cents 777.5Hz | D Kelly via e-mail |