All changes to tower
| Date | Change | Source |
|---|---|---|
| 13 Apr 2022 | 2022 overhaul and details of two new trebles added; 5-8: diameter amended | Andrew Nicholson |
| 25 Jul 2021 | 1-2: frame number amended | George Dawson |
| 6 Dec 2017 | 1-8: turning added; 1,2: frameid added; fr1: layout,maker added | Tim Jackson via 00012630 |
| 20 Nov 2017 | 3-8: frameid added; frame: date added | Tim Jackson via e-mail |
| 19 Nov 2017 | fr1: material added | Tim Jackson via e-mail |
| 9 Nov 2017 | frame info added | David Sloman via e-mail |
| 20 Nov 2006 | Tenor nominal added (A-8c) | GAD spreadsheet via pNBR |
| 22 Mar 2003 | Wed PN added (letter also >> 8-0-23 as per TJ) Nicholson '02 | Kinchin 8/2/03 (while in NZ) via Letter |