All changes to tower
| Date | Change | Source |
|---|---|---|
| 8 Oct 2019 | 1-6: partials added | Tim Jackson via e-mail |
| 3 Apr 2019 | 1-6: nominal added | Nick Bowden via 00013365 |
| 18 Apr 2011 | 3,5,6: founder amended | John Baldwin via database |
| 14 Sep 2010 | 1: diam added; 2-6: diam amended; frame info amended | Chris Pickford via 00008816 |
| 13 Sep 2010 | 1-6: frameid added; frame info added | John Baldwin via database |
| 28 Sep 2004 | Slight change to dedication to match Crockford entry | Graham Nabb check via e-mail |