All changes to tower
| Date | Change | Source |
|---|---|---|
| 16 May 2016 | 1-6: canons added; frame: truss added,layout amended | Philip Denton via 00011632 |
| 21 Apr 2011 | 3: date amended | Philip Denton via e-mail |
| 17 Apr 2011 | 1-6: nominal, turning, frame id added; frame info added; | Philip Denton via 00009232 |
| 3: date amended; 4: date, founder amended | Philip Denton via 00009232 |