All changes to tower
| Date | Change | Source |
|---|---|---|
| 21 May 2021 | 1-8: frame number, turning added | Liz Grover tower captain via James Hedgcock |
| 20 May 2016 | 1-8: canons added; frame info added | David Sloman via 00011635 |
| 25 May 2010 | URL modified | Carolina Goodship via e-mail |
| 4 Feb 2007 | URL added | Richard Wallis via e-mail |
| 8 Nov 2004 | Tenor nominal added | Bill Hibbert via e-mail |