All changes to tower
| Date | Change | Source |
|---|---|---|
| 11 Jun 2022 | 7#: diameter added | Whitechapel records via David Sloman |
| 23 Sep 2020 | 4,6,8,9: diam added; 5,8: canon info added; 5: diam amended | David Sloman via 00014000 |
| 31 Jan 2018 | 5: diam added | David Sloman via 00012724 |
| 9 May 2011 | 1,2,3,7,10: diam added; 6: founder amended | David Sloman via 00009319 |
| 20 Feb 2011 | URL removed | Xenu check via URLbad |
| 27 Oct 2009 | All: nominal added | Nick Bowden via 00008214 |
| 15 Jan 2005 | URL added | via www |