All changes to tower
| Date | Change | Source |
|---|---|---|
| 11 Mar 2020 | 5-8: turning amended | John Arthur via 00013645 |
| 23 Oct 2019 | 3: date amended | Tim Jackson via e-mail |
| 20 Nov 2017 | 1-8: turning added; frame: truss,layout added | John Arthur via 00012564 |
| 17 Nov 2017 | 1-8: frameid added; frame info added | David Sloman via e-mail |
| 3 Apr 2007 | Tenor nominal added (Ab-17c) | Andrew Higson via pNBR |
| 20 Nov 2005 | URL deleted | David Bryant via JCB |
| 10 Feb 2005 | URL amended | David Bryant (Nabbers' digest 1099#2) via e-mail |
| 22 Dec 2003 | No practice now | David Bryant via e-mail |
| 21 Dec 2003 | URL changed | Carl Inglis routine check via JCB |