All changes to tower
| Date | Change | Source |
|---|---|---|
| 18 Oct 2018 | frame: truss,layout added | Mike Chester via e-mail |
| 15 Sep 2017 | 1-5: frameid added; frame info added | David Sloman via e-mail |
| 6 Mar 2016 | pNBR wt of 3,4 correct (per GAD); CB Notts not so | Philip Denton via e-mail |
| 6 Oct 2005 | Tenor nominal added | George Dawson via e-mail |