All changes to tower
| Date | Change | Source |
|---|---|---|
| 9 Dec 2017 | 1-7: nominal added; 5: wt amended | Chris Pickford via 00012634 |
| 8 Dec 2017 | (inferred)frame info added | John Baldwin via database |
| 6 Sep 2015 | 1-8: canons,turning,frameid added | Andrew Aspland via 00011309 |
| 31 Jan 2007 | Tenor nominal added (F#-12c) | Andrew Higson via pNBR |