All changes to tower
| Date | Change | Source |
|---|---|---|
| 22 Oct 2022 | Frame Fr1: date, maker, material, truss, layout added | Chris Pickford and Stuart Hutchieson from personal visits |
| 1 Oct 2021 | 4: cast year amended; 1-6: frame number added | JT&Co data 1896-7 and NADFAS inventory via Chris Pickford |
| 26 Feb 2018 | PN: start time added | Robert Turner (Tower Master) via e-mail |
| 31 Aug 2011 | 1-6: nominal added | Philip Denton via 00009658 |