All changes to tower
| Date | Change | Source |
|---|---|---|
| 25 Apr 2020 | 1-4: frameid added; fr1: details added | Tim Jackson via e-mail |
| 29 Aug 2010 | URL amended | Tim Jackson via e-mail |
| 24 Mar 2008 | Tuning info added | Tim Jackson#132 via e-mail |
| 7 Mar 2006 | GF, u/r added; treble cracked (& not roped) | Tim Jackson#89 via e-mail |
| 22 Feb 2006 | New entry: previously believed to be a ring of 3 | Tim Jackson via e-mail |
| 26 Feb 2004 | URL supplied | Tim Jackson via e-mail |