All changes to tower
| Date | Change | Source |
|---|---|---|
| 24 Nov 2022 | Fr1, Fr1A added; 1-6: turning added | Peter Robson, local contact. Additional information provided by Chris Pickford from the Taylors archive |
| 6 Oct 2010 | 1-5: nominal added; 6: nominal amended | George Dawson via e-mail |
| 30 Dec 2007 | Tenor note not F; nominal: F#-47c | Taylor Rings spreadsheet (ADH) via JCB |