All changes to tower
| Date | Change | Source |
|---|---|---|
| 2 Feb 2024 | 3,6: founder amended | As discussed with George Dawson. See also CB Notts, Dawson (Part 4 p367) via Tim Jackson |
| 12 May 2023 | Frame Fr1 added; 1-2 canons added | Stuart Hutchieson from personal visit |
| 31 Mar 2011 | 1-6: nominal added | George Dawson via e-mail |