All changes to tower
| Date | Change | Source |
|---|---|---|
| 1 Nov 2017 | fr1: truss,layout, modYr,modMkr added | Tim Jackson via e-mail |
| 20 Jan 2011 | 3: welded; 1-6: frameid added; hist'lly impt frame info added | Philip Denton via e-mail |
| 9 Sep 2006 | Tenor nominal added (G+31c) | Hayward Mills board in tower: 798 via JCB |
| 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 |