All changes to tower
| Date | Change | Source |
|---|---|---|
| 23 Feb 2023 | Ellacombe added | Neal Dodge |
| 28 Aug 2018 | 1: diam added | David Sloman via 00013045 |
| 20 Jun 2018 | 2,3,5,6: diam added | David Sloman via 00012924 |
| 23 Nov 2017 | 4: diam added | David Sloman via 00012588 |
| 15 Aug 2008 | Tenor is NOT 12-1-9 in F# as in Edn7&8 (but 13-0-9 in F) | Mike Parker (WBF info after P Denton query) via e-mail |