All changes to tower
| Date | Change | Source |
|---|---|---|
| 21 Oct 2022 | Frame Fr1: layout added | Stuart Hutchieson from personal visit |
| 11 Oct 2022 | 1-6: nominal added; 1-6: diameter amended; overhaul added; frame Fr1 added | John Taylor archive 1906 via Chris Pickford #003923 |
| 3 Oct 2022 | 1-6: canons added | Stuart Hutchieson personal visit March 2005 via #003912 |
| 2 Oct 2006 | PN is NOT Fri but Thu | Wendy Bristow via e-mail |