All changes to tower
| Date | Change | Source |
|---|---|---|
| 23 Oct 2015 | 1,2: frameid amended | Philip Denton via e-mail |
| 19 Oct 2015 | frame: material amended; fr2: added | Philip Denton via e-mail |
| 24 Jun 2009 | 1-5: nominal,canons added | Andrew Higson via 00007622 |
| 2,4: date amended; 3,5: turning added | Andrew Higson via e-mail |