All changes to tower
| Date | Change | Source |
|---|---|---|
| 9 Mar 2017 | 1-6: frameid added; frame info added | David Sloman via e-mail |
| 27 May 2009 | 3: founder amended | George Dawson via e-mail |
| 14 Apr 2009 | 1-6: nominal added; 2,4,6: diam amended | Andrew Higson via 00007270 |
| 22 Jun 2007 | PN not Wed but 2&4 Mon | Steve Pattenden via e-mail |