All changes to tower
| Date | Change | Source |
|---|---|---|
| 22 Jun 2019 | 1-3: turning added | Tim Jackson via 00013479 |
| 13 Nov 2017 | frame: material amended | David Sloman via e-mail |
| 10 Jun 2015 | Sct: (app) wt,diam,frame id added | Philip Denton via 00011220 |
| 17 May 2011 | Sct: date, founder, canon info added | Philip Denton via e-mail |
| 10 Apr 2011 | Sct (NOT as CB Oxon): added | Philip Denton via e-mail |
| 5 Jun 2009 | 1-8: diam added | Andrew Higson via 00007533 |