All changes to tower
| Date | Change | Source |
|---|---|---|
| 5 Jul 2023 | 8: nominal amended | Improved recording of tenor taken by Chris Pickford 24//6/2023 via Bill Hibbert #005271 |
| 19 May 2022 | 1-8: nominal added | Bill Hibbert's analysis of CJP recordings, 26/3/22 via Chris Pickford |
| 28 Mar 2022 | 8: diameter amended; 3-7: diameter added | JT&Co measurements 1952 (when estimating for augmentation) via Chris Pickford |
| 31 May 2018 | 1-8: turning added | John Baldwin via database |
| 30 May 2018 | 3-7: (app) wt added | Mike Chester via 00012893 |
| 28 May 2018 | 1,2: diam added | David Sloman via 00012888 |
| 27 May 2017 | 1-8: frameid added; frame info added | David Sloman via e-mail |