All changes to tower
| Date | Change | Source |
|---|---|---|
| 17 Nov 2021 | 3-10: nominal added | Nigel Taylor via Mike Chester |
| 16 Nov 2021 | 1-2: nominal added; 1-2: diameter amended | Nigel Taylor's personal tuning records via David Sloman |
| 8 Apr 2017 | 1-10: diam added | David Sloman via 00012065 |
| 2 Nov 2012 | URL amended | Jeremy Housden via e-mail |
| 15 Dec 2010 | 5,7,9: founder amended; historically important | David Sloman via e-mail |
| 26 Jul 2008 | URL amended | C Teasdale via e-mail |