All changes to tower
| Date | Change | Source |
|---|---|---|
| 1 Nov 2017 | 1-6: nominal added; frame: layout added | Tim Jackson via 00012546 |
| 18 Sep 2017 | 1-6: turning,frameid added; 2-6: canons added; frame info added | Chris Pickford via 00012441 |
| 17 Sep 2017 | 1: canon info added | David Sloman via 00012438 |
| 25 Jan 2004 | URL changed | Gary J Sheppard: SDGR webmaster via e-mail |
| 8 Jan 2004 | URL added | Gary J Sheppard: SDGR webmaster via e-mail |